CN218424147U

CN218424147U - Metal powder collecting and filtering device

Info

Publication number: CN218424147U
Application number: CN202221885913.2U
Authority: CN
Inventors: 谢上川; 蒋泽军; 刘德昆
Original assignee: Hangzhou Xinchuan New Material Co ltd
Current assignee: Hangzhou Xinchuan New Material Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-02-03
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a metal powder collects filter equipment belongs to high performance powder metallurgy technical field, and this device includes: powder collector, powder collector includes, the base member is collected to the powder is the well hollow cylinder shell column structure, powder collection base member upper portion is equipped with hemispherical plate body and seals, the lower part is equipped with the circular cone cover that the diameter reduces downwards, feeding through hole has been seted up on the circular cone cover, the division board is located powder collection base member in upper portion and is collected the coaxial setting of base member axis with the powder, the division board is separated into upper portion cavity and lower part cavity with powder collection base member in collecting the base member, it is equipped with first filter screen to have laid on the division board in through-hole and the through-hole, each through-hole below correspondence of division board is connected with solid gas separation subassembly, the utility model discloses can effectively get rid of the special-shaped metal particle in the powder, hold back the large size granule to reduce the loss of farine.

Description

Metal powder collecting and filtering device

Technical Field

The utility model belongs to the technical field of high performance powder metallurgy, concretely relates to metal powder collects filter equipment.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

The fine powder or superfine powder of metal, alloy, ceramic, composite and the like with controllable physical properties has wide application in various fields of aviation, electronics, microelectronics, ceramics, medicine and the like. At present, the production of fine powders (average particle size of 0.1 to 10 μm) and ultrafine powders (average particle size of 0.1 μm or more) is mainly carried out by the following methods: 1. wet processing; 2. spraying method: 3. mechanical grinding; 4. evaporating and condensing. A large number of research reports exist at home and abroad for the first three methods, and some methods have already realized commercial production. However, these methods have several major drawbacks, such as that the former two methods tend to produce harmful or intractable by-products during the production process, that their waste gas and liquid waste treatment greatly increase the equipment cost and the production cost, that the sphericity and crystallinity of the product particles are also poor, and that it is difficult to produce ultrafine powders having an average particle diameter of less than 100 nm.

The prior art provides various solutions to the above problems, such as the method for preparing fine powder or ultra-fine powder under normal pressure disclosed in CN01131244.0, the utility model has high yield, the method for preparing fine powder or ultra-fine powder under normal pressure and special equipment thereof can produce fine powder with the particle size of more than 100nm, but the solution lacks screening and filtering schemes for the produced powder, and has no effective filtering means for irregular particles or particles with unsatisfactory particle size in the produced powder.

In view of the above filtering problems, the prior art such as CN201611085580.4, a device for continuous mass production of high-purity nano-scale metal particles by circulating cooling also provides a powder collection solution, but there is no effective filtering means for irregular particles or particles with undesirable particle size in the powder after the powder collection.

It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions of the present application and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a metal powder collects filter equipment can effectively get rid of the special-shaped metal particle in the powder, holds back big granularity granule to reduce the loss of farine.

The utility model discloses a technical scheme who realizes that above-mentioned purpose takes does: a metal powder collecting and filtering device comprising: a powder collector, the powder collector comprising:

a powder collecting matrix which is a hollow cylindrical sleeve structure, wherein the upper part of the powder collecting matrix is provided with a hemispherical plate body seal, the lower part of the powder collecting matrix is provided with a conical sleeve with a diameter reduced downwards, the conical sleeve is provided with a feeding through hole,

a partition plate which is arranged at the upper part in the powder collecting base body and is coaxial with the axis of the powder collecting base body, the partition plate divides the powder collecting base body into an upper cavity and a lower cavity, through holes are distributed on the partition plate, a first filter screen is arranged in the through holes,

the solid-gas separation assembly is correspondingly connected below each through hole of the partition plate and comprises a solid-gas separation base body of a column sleeve-shaped structure, the bottom of the solid-gas separation base body is sealed and arranged, the top opening is arranged and communicated with the through holes of the partition plate, side grooves are formed in the side lower portion of the solid-gas separation base body in a surrounding mode, third filter screens are arranged on the side grooves, a first arc guide plate is arranged in the side lower portion of the solid-gas separation base body in a surrounding mode, and grooves are formed in the adjacent side of the first arc guide plate.

The utility model discloses a powder collector is through collecting the base member bottom at the powder and encircleing the mode of seting up side fluting and laying the third filter screen and realize holding back the particle, gaseous upper portion cavity that collects the base member to the powder through the third filter screen flows, and get into upper portion cavity in-process still can pass through first filter screen, it filters to form the secondary interception like this, it can obtain promoting to hold back the effect to the particle in the gas, and also can promote relatively to holding back the effect of farine, reduce the farine loss, can play special-shaped metal granule and the big granularity granule in the gas under the interception of third filter screen and first filter screen and hold back the effect. In addition, by designing the first flow guide arc plate, the flow velocity of the air flow passing through the third filter screen is reduced, the possibility of deformation of the third filter screen caused by long-time air flow impact is reduced, the air flow enters the solid-gas flow distribution base body along the first flow guide arc plate, the air flow which enters the base body is helped to form upward rotational flow in the solid-gas flow distribution base body, the possibility of adhesion between particles possibly existing in the air flow and the inner wall of the solid-gas flow distribution base body is reduced, the turbulence of the upward air flow in the solid-gas flow distribution base body is avoided, and the air flow discharge efficiency is influenced.

According to the utility model discloses an embodiment, the second ring body has been laid at solid-gas separation base member outside top interval, and the second ring body is less than with solid-gas separation base member side contained angle, and the second ring body is used for realizing the portion to the air current water conservancy diversion with and the design of relative solid-gas separation base member contained angle, and is specific: the air flow which does not enter the third filter screen and moves upwards along the solid-gas separation matrix contacts with the second ring body to form impact in the process of moving upwards along the solid-gas separation matrix, namely the second ring body is used for blocking the air flow to move upwards, and under the condition that the air flow is blocked by the second ring body in the upwards moving process, the possibility that particles in the air flow fall downwards is improved, and the particles are convenient to collect.

According to the utility model relates to an embodiment, the outside water-cooling base member that has cup jointed of base member is collected to the powder, and the water-cooling base member is column jacket column structure, and inside cavity, and water-cooling base member outside upper end is equipped with the water-cooling and advances the pipe, and water-cooling base member outside lower extreme is equipped with the water-cooling exit tube, realizes collecting the control of base member internal temperature to the powder through the water-cooling base member, and can reduce the powder and collect the outside transmission of base member internal noise to and utilize the water-cooling base member to collect the base member to the powder and play outside guard action.

According to the utility model discloses an embodiment, the powder is collected the base member inner wall and is encircleed the first ring body of having laid from top to bottom, and first ring body and powder are collected base member internal face contained angle and are the acute angle. The design of the first ring body is used for preventing the upward movement of the airflow and slowing down the upward movement of the airflow during the upward movement of the airflow inside the powder collecting base, and the upward movement of the airflow is also facilitated, so that the particles in the airflow can fall and be collected.

According to the utility model discloses an embodiment is equipped with the second filter screen that the level was laid in the taper sleeve of feed through hole below. The design of second filter screen is used for sieving the granule that meets the requirements, and plays to hold back special-shaped metal particle and big granularity granule, and qualified granule drops downwards through the second filter screen realizes the ejection of compact, and special-shaped metal particle and big granularity granule are held back and are carried out regular clearance.

According to the utility model relates to an embodiment, the taper sleeve bottom is connected with coaxial ejection of compact barrel, and ejection of compact barrel is inside to be equipped with the fourth filter screen, is equipped with automatically controlled solenoid valve on the ejection of compact barrel, and the fourth filter screen is used for playing second grade and filters special-shaped metal particle and big granularity granule, improves and obtains the finished product quality.

According to the utility model relates to an embodiment, powder collector passes through the second cooling tube and communicates with the cooling buffer tank, and the inside cavity of cooling buffer tank sets up, and the second cooling tube is connected with powder collector's feed-through hole, is used for playing excessive effect through the cooling buffer tank for gaseous has dwell time and accomplishes the process that particle nucleation and growth under suitable temperature in the cooling buffer tank, then separates the filtration to the input of powder collector.

According to the utility model relates to an embodiment, cooling buffer tank side is equipped with two at least powder collectors, is equipped with first solenoid valve on the second cooling tube for the promotion to powder collection efficiency is realized, if when a powder collector carries out the process of ejection of compact, through closing the solenoid valve that accesss to this powder collector, and opens another powder collector, realizes not shutting down and can accomplish the ejection of compact.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a powder collector is through collecting the base member bottom at the powder and encircleing the mode of seting up side fluting and laying the third filter screen and realize holding back the particle, gaseous upper portion cavity that collects the base member to the powder through the third filter screen flows, and get into upper portion cavity in-process still can pass through first filter screen, it filters to form the secondary interception like this, it can obtain promoting to hold back the effect to the particle in the gas, and also can promote relatively to holding back the effect of farine, reduce the farine loss, can play special-shaped metal granule and the big granularity granule in the gas under the interception of third filter screen and first filter screen and hold back the effect. In addition, by designing the first flow guide arc plate, the flow velocity of the air flow passing through the third filter screen is reduced, the possibility of deformation of the third filter screen caused by long-time air flow impact is reduced, the air flow enters the solid-gas flow distribution base body along the first flow guide arc plate, the air flow which enters the base body is helped to form upward rotational flow in the solid-gas flow distribution base body, the possibility of adhesion between particles possibly existing in the air flow and the inner wall of the solid-gas flow distribution base body is reduced, the turbulence of the upward air flow in the solid-gas flow distribution base body is avoided, and the air flow discharge efficiency is influenced.

Drawings

FIG. 1 is a schematic view showing a state of use of a metal powder collecting and filtering apparatus;

FIG. 2 is a schematic view showing a state where a metal powder collecting and filtering device is connected to a cooling buffer tank;

FIG. 3 is a schematic view of the internal structure of the powder collector;

FIG. 4 is a schematic structural view of a solid-gas separation module;

fig. 5 is a schematic view of the powder collector in operation.

Reference numerals: 10-a control panel; 20-a power rectifier; 30-a feeder; 40-transferred arc plasma evaporator; 50-cooling the buffer tank; 51-a first cooling tube; 52-a second cooling tube; 53-a first solenoid valve; 60-a powder collector; 61-powder collection matrix; 62-a first ring body; 63-a first air outlet pipe; 64-a divider plate; 65-a second outlet duct; 66-a first screen; 67-feed through; 68-a second screen; 69-a fourth screen; 610-discharge cylinder; 70-a blower; 71-a first conduit; 72-a second conduit; 80-water cooling the matrix; 81-water cooling into the pipe; 82-water cooling out the pipe; 90-a solid-gas separation module; 91-solid-gas separation matrix; 92-a second ring; 93-a first flow guiding arc plate; 94-third screen.

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the following detailed description and the accompanying drawings:

example 1:

referring to fig. 3 and 4, a metal powder collecting and filtering device includes: powder collector 60, powder collector 60 includes:

a powder collecting matrix 61, wherein the powder collecting matrix 61 is a hollow cylindrical sleeve structure, a hemispherical plate body seal is arranged at the upper part of the powder collecting matrix 61, a conical sleeve with the diameter reduced downwards is arranged at the lower part of the powder collecting matrix 61, a feeding through hole 67 is arranged on the conical sleeve,

a partition plate 64, the partition plate 64 is arranged at the upper part in the powder collecting base body 61 and is coaxial with the axis of the powder collecting base body 61, the partition plate 64 divides the powder collecting base body 61 into an upper chamber and a lower chamber, through holes are distributed on the partition plate 64, a first filter screen 66 is arranged in the through holes,

the solid-gas separation assembly 90 is correspondingly connected to the lower portion of each through hole of the partition plate 64, the solid-gas separation assembly 90 comprises a solid-gas separation base body 91 of a column sleeve-shaped structure, the bottom of the solid-gas separation base body 91 is sealed and arranged, the top opening is arranged and communicated with the through hole of the partition plate 64, the lower portion of the side of the solid-gas separation base body 91 is provided with a lateral groove in a surrounding mode, a third filter screen 94 is arranged on the lateral groove, the lower portion of the side of the solid-gas separation base body 91 is provided with a first arc guide plate 93 in a surrounding mode, and the adjacent lateral groove of the first arc guide plate 93 is arranged.

The utility model discloses a powder collector 60 is through collecting base member 61 bottom at the powder and surrounding the mode of seting up side fluting and laying third filter screen 94 and realize holding back the particle, gaseous upper portion cavity that collects base member 61 to the powder through third filter screen 94 flows, and get into upper portion cavity in-process still can be through first filter screen 66, form the secondary interception like this and filter, it can obtain promoting to hold back the effect to the particle in the gas, and also can promote relatively to holding back the effect of farine, reduce the farine loss, can play the special-shaped metal granule in the gas and big granularity granule under the interception effect of third filter screen 94 and first filter screen 66 and hold back the effect. In addition, by designing the first flow guide arc plate 93, the flow velocity of the air flow passing through the third filter screen 94 is reduced, the possibility of deformation of the third filter screen 94 caused by impact of the air flow for a long time is reduced, the air flow entering the solid-gas distribution base body 91 along the first flow guide arc plate 93 is facilitated, the entering air flow forms upward rotational flow on the solid-gas distribution base body 91, the possibility of adhesion between particles possibly existing in the air flow and the inner wall of the solid-gas distribution base body 91 is reduced, and the turbulence of the upward air flow in the solid-gas distribution base body 91 is avoided, so that the outward discharge efficiency of the air flow is influenced.

Solid-gas separation base member 91 outside top interval has laid second ring body 92, and second ring body 92 is less than 90 with solid-gas separation base member 91 side contained angle, and the design of second ring body 92 and its relative solid-gas separation base member 91 contained angle is used for realizing that portion is to the air current water conservancy diversion, and is specific: in the process that the airflow which does not enter the third filter screen 94 and moves upwards along the solid-gas separation matrix 91, the airflow contacts with the second ring body 92 to form impact, namely, the second ring body 92 is used for blocking the airflow to move upwards, and under the condition that the airflow is blocked by the upward movement of the second ring body 92, the probability that particles in the airflow fall downwards is improved, and the particles are convenient to collect.

Referring to fig. 3 and 5, a water-cooling base body 80 is sleeved outside the powder collection base body 61, the water-cooling base body 80 is of a cylindrical sleeve structure and is hollow inside, a water-cooling inlet pipe 81 is arranged at the upper end of the outer side of the water-cooling base body 80, a water-cooling outlet pipe 82 is arranged at the lower end of the outer side of the water-cooling base body 80, the control of the internal temperature of the powder collection base body 61 is achieved through the water-cooling base body 80, the internal noise of the powder collection base body 61 can be reduced, the external transmission of the internal noise of the powder collection base body 61 can be reduced, and the external protection effect of the powder collection base body 61 is achieved by the water-cooling base body 80.

The inner wall of the powder collecting base body 61 is provided with a first ring body 62 from top to bottom in a surrounding way, and an included angle between the first ring body 62 and the inner wall surface of the powder collecting base body 61 is an acute angle. The first ring body 62 is designed to prevent upward movement of the gas flow and to slow down the upward moving gas flow during upward movement of the gas flow inside the powder collecting base 61 by the first ring body 62, which in turn helps to drop and collect particles in the gas flow.

A horizontally laid second filter screen 68 is arranged in the conical sleeve below the feeding through hole 67. The design of second filter screen 68 is used for sieving the granule that meets the requirements, and plays to hold back special-shaped metal particle and big granularity granule, and qualified granule drops downwards through second filter screen 68 and realizes the ejection of compact, and special-shaped metal particle and big granularity granule are held back and are carried out regular clearance.

Referring to fig. 5, the bottom of the conical sleeve is connected with a coaxial discharging cylinder 610, a fourth filter screen 69 is arranged inside the discharging cylinder 610, an electric control solenoid valve is arranged on the discharging cylinder 610, and the fourth filter screen 69 is used for performing secondary filtering on special-shaped metal particles and large-granularity particles, so that the quality of the obtained finished product is improved.

Referring to fig. 1-2, the powder collector 60 is connected to the cooling buffer tank 50 through a second cooling pipe 52, the cooling buffer tank 50 is hollow, the second cooling pipe 52 is connected to the feed-through 67 of the powder collector 60, and the cooling buffer tank 50 is used for performing an excessive function, so that the gas has a residence time in the cooling buffer tank and completes the processes of particle nucleation and growth at a proper temperature, and then the gas is fed into the powder collector 60 for separation and filtration.

At least two powder collectors 60 are arranged on the side of the cooling buffer tank 50, and the first electromagnetic valve 53 is arranged on the second cooling pipe 52, so that the powder collecting efficiency is improved, for example, when one powder collector 60 is in a discharging process, the electromagnetic valve 53 leading to the powder collector 60 is closed, and the other powder collector 60 is opened, so that the discharging can be completed without stopping the machine.

Example 2:

referring to fig. 1-2, a metal powder collecting and filtering device is a device used in the preparation of ultrafine powder, a powder collector 60 of the metal powder collecting and filtering device is connected with a cooling buffer tank 50 through a second cooling pipe 52, the cooling buffer tank 50 is connected with a transfer arc plasma evaporator 40 through a first cooling pipe 51, a feeder 30 is arranged at the upper part of the transfer arc plasma evaporator, a power rectifier 20 is further arranged at the side of the transfer arc plasma evaporator 40, the power rectifier 20 is matched with the transfer arc plasma evaporator 40, the power rectifier 20 is connected with a control panel 10, a first air outlet pipe 63 and a second air outlet pipe 65 of the powder collector 60 are respectively connected with a blower 70 arranged outside the powder collector 60 through a second pipeline 72, a first pipeline 71 is arranged at the air outlet end of the blower 70, and the first pipeline 71 outputs gas to the transfer arc plasma evaporator 40, the cooling buffer tank 50 and a discharging cylinder 610 respectively.

The control panel 10, the power rectifier 20, the feeder 30, the transferred arc plasma evaporator 40 and the cooling buffer tank 50 are conventional technical means, for example, a method for preparing fine powder-ultrafine powder under normal pressure by using CN01131244 and a special device thereof are disclosed in the following patents, and the specific ultrafine powder preparation method is not described herein too much.

The above description is only for the best embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention.

The details of the present invention not described in detail in the specification are well known to those skilled in the art.

Claims

1. A metal powder collecting and filtering device comprising: a powder collector (60), the powder collector (60) comprising:

the powder collecting base body (61) is of a hollow cylindrical sleeve structure, a hemispherical plate body seal is arranged at the upper part of the powder collecting base body (61), a conical sleeve with the diameter reduced downwards is arranged at the lower part of the powder collecting base body (61), a feeding through hole (67) is formed in the conical sleeve,

the separating plate (64) is arranged at the upper part in the powder collecting base body (61) and is coaxially arranged with the axis of the powder collecting base body (61), the separating plate (64) separates the powder collecting base body (61) into an upper cavity and a lower cavity, the separating plate (64) is provided with a through hole, and a first filter screen (66) is arranged in the through hole,

the method is characterized in that: each through-hole below correspondence of division board (64) is connected with solid gas separation subassembly (90), solid gas separation subassembly (90) including the solid gas separation base member (91) of column sleeve column structure, solid gas separation base member (91) bottom is sealed and is set up, open-top setting and with the through-hole intercommunication of division board (64), solid gas separation base member (91) side below is encircleed to be opened and is equipped with side fluting, be equipped with third filter screen (94) on the fluting of side, solid gas separation base member (91) side below still encircles and has laid curved first water conservancy diversion arc board (93), the adjacent side fluting of first water conservancy diversion arc board (93) is laid.

2. The metal powder collecting and filtering device as recited in claim 1, wherein: second ring bodies (92) are arranged above the outer side of the solid-gas separation matrix (91) at intervals, and the included angle between the second ring bodies (92) and the side face of the solid-gas separation matrix (91) is smaller than 90 degrees.

3. The metal powder collecting and filtering device as recited in claim 1, wherein: the powder is collected base member (61) outside and has been cup jointed water-cooling base member (80), water-cooling base member (80) are column jacket column structure, and inside cavity, water-cooling base member (80) outside upper end is equipped with water-cooling and advances pipe (81), water-cooling base member (80) outside lower extreme is equipped with water-cooling exit tube (82).

4. The metal powder collecting and filtering device as recited in claim 1, wherein: the inner wall of the powder collection base body (61) is provided with a first ring body (62) in a surrounding mode from top to bottom, and an included angle between the first ring body (62) and the inner wall face of the powder collection base body (61) is an acute angle.

5. The metal powder collecting and filtering device as recited in claim 1, wherein: a second filter screen (68) which is horizontally laid is arranged in the conical sleeve below the feeding through hole (67).

6. The metal powder collecting and filtering device as claimed in claim 5, wherein: the bottom of the conical sleeve is connected with a coaxial discharging cylinder body (610), a fourth filter screen (69) is arranged inside the discharging cylinder body (610), and an electric control electromagnetic valve is arranged on the discharging cylinder body (610).

7. The metal powder collecting and filtering device as claimed in claim 1, wherein: the powder collector (60) is communicated with the cooling buffer tank (50) through a second cooling pipe (52), the cooling buffer tank (50) is arranged in a hollow mode, and the second cooling pipe (52) is connected with a feeding through hole (67) of the powder collector (60).

8. The metal powder collecting and filtering device as recited in claim 7, wherein: at least two powder collectors (60) are arranged on the lateral side of the cooling buffer tank (50), and a first electromagnetic valve (53) is arranged on the second cooling pipe (52).