CN210495551U

CN210495551U - Ceramic filtering device for filtering submicron calcium carbonate powder

Info

Publication number: CN210495551U
Application number: CN201921024008.6U
Authority: CN
Inventors: 王德富; 方业山; 方鹏
Original assignee: Hefei Found Technology Co ltd
Current assignee: Hefei Found Technology Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-12
Anticipated expiration: 2029-06-27

Abstract

The utility model provides a filter submicron order calcium carbonate powder's ceramic filter equipment, filter equipment includes: the device comprises a powder collecting device, a separating device and a cleaning device; the separation device comprises a plurality of groups of ceramic filter elements which work independently, the pore diameter of the surface filter membrane of each ceramic filter element is 2-3 microns, and the ceramic filter elements are arranged in the powder collection device; cleaning device extends to inside the ceramic filter core by powder collection device is outward, cleaning device is used for regularly clearing up remaining calcium carbonate powder on the ceramic filter core lateral wall one by one. The utility model adopts the ceramic filter element to filter the submicron calcium carbonate powder, the gas is separated and discharged, the submicron calcium carbonate powder is left in the powder collecting device, and the waste of finished products and the environmental pollution are avoided; the cleaning device is used for cleaning the residual calcium carbonate powder on the side wall of the ceramic filter element one by one at regular time, so that the problem that the resistance of the filtering device is too large to cause equipment failure is avoided.

Description

Ceramic filtering device for filtering submicron calcium carbonate powder

Technical Field

The utility model relates to a filter technical field especially relates to a filter ceramic filter equipment of submicron order calcium carbonate powder.

Background

With the acceleration of the modern industrialization process, the requirements of fine processing and deep processing on raw materials are higher and higher, the demand on material ultrafine powder is higher and higher, and the application range is wider and wider. The non-metal mineral processing solves a plurality of key materials which are urgently needed and most advanced for military and civil use in various fields of various industries. The great social and economic benefits brought by the ultrafine powder enable countries in the world to carry out deep research on the ultrafine powder, and the development of the ultrafine powder technology is promoted. In the process of processing calcium carbonate ultrafine powder, airflow is utilized to drive ultrafine powder to separate from grinding equipment and relatively coarse particles, a set of device capable of realizing gas-solid separation is required, particularly a filter element capable of collecting powder with the particle size of less than 2 microns is required, and a cloth bag filter material can only filter powder with the particle size of more than 8-10 microns, so that the ultrafine powder is difficult to collect by adopting a common cloth bag. One of the technical bottlenecks of the existing nonmetal ultrafine grinding is collection and dust removal of ultrafine materials, so that a set of equipment for collecting ultrafine powder and controlling ultralow emission, which is suitable for the application environment, is developed, and the method has pioneering property and wide application prospect.

At present, in the ultrafine powder processing process at home and abroad, a bag type dust collector is widely adopted to achieve the effects of collecting and removing the ultrafine powder according to the conditions of the fineness, the humidity, the temperature and the like of the powder. As the cloth bag filter material is used as a powder collecting element and can only collect powder of 8-10 microns, most of the powder with the particle size of less than 2 microns passes through the filter material and enters the atmosphere, finished product waste is caused, and the environment is polluted.

To the problem that filter equipment can't collect submicron order calcium carbonate powder among the prior art, cause the finished product extravagant, and polluted environment, the utility model provides a new solution.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ceramic filter device for filtering submicron calcium carbonate powder, which aims at the defects of the prior art.

The utility model discloses a following technical means realizes solving above-mentioned technical problem:

a ceramic filter device for filtering submicron calcium carbonate powder, the filter device comprising: the device comprises a powder collecting device, a separating device and a cleaning device; the separation device comprises a plurality of groups of ceramic filter elements which work independently, the pore diameter of the surface filter membrane of each ceramic filter element is 2-3 microns, and the ceramic filter elements are arranged in the powder collection device; cleaning device extends to inside the ceramic filter core by powder collection device is outward, cleaning device is used for regularly clearing up remaining calcium carbonate powder on the ceramic filter core lateral wall one by one.

Preferably, the powder collecting device includes: the device comprises a tank body, a feeding port, a gathering hopper and a discharging port; the feeding port is arranged at the top end of the tank body, the gathering hopper is arranged at the bottom end of the tank body, and the discharging port is arranged at the bottom end of the gathering hopper;

preferably, the separation device further comprises: the air outlet pipe, the air collecting cover, the total air pipe and the grid plate; the utility model discloses a pot, including latticed board and jar body, ceramic filter core, air-out pipe, air-collecting cover, total tuber pipe, air-collecting cover, air-out pipe.

Preferably, the cleaning device includes: the electromagnetic valve, the pulse valve and the gas injection pipe; the electromagnetic valve is installed on the air outlet pipe and used for controlling the opening and closing of the air outlet pipe, the pulse valve is installed on the air injection pipe and used for controlling the opening and closing of the air injection pipe, the top end of the air injection pipe extends into the ceramic filter element, and the tail end of the air injection pipe is communicated with the high-pressure air tank.

The utility model has the advantages that:

compared with the prior art, the utility model adopts the ceramic filter element to filter the submicron calcium carbonate powder, so as to separate and discharge the gas, and the submicron calcium carbonate powder is left in the powder collecting device, thereby avoiding the waste of finished products and environmental pollution; the cleaning device is used for cleaning the residual calcium carbonate powder on the side wall of the ceramic filter element one by one at regular time, so that the problem that the resistance of the filtering device is too large to cause equipment failure is avoided.

Drawings

Fig. 1 is a schematic structural view of a filtering apparatus according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1, the present embodiment provides a ceramic filter device for filtering submicron-sized calcium carbonate powder, the filter device including: the powder collecting device 10, the separating device 20 and the cleaning device 30; the separation device 20 comprises a plurality of groups of ceramic filter elements 21 which work independently, the pore diameter of a surface filter membrane of each ceramic filter element 21 is 2-3 microns, and the ceramic filter elements 21 are enough for filtering submicron-grade calcium carbonate powder, the ceramic filter elements 21 are arranged inside the powder collection device 10 and used for separating and discharging gas in the powder collection device 10, the submicron-grade calcium carbonate powder is left in the powder collection device 10, and finished product waste and environmental pollution are avoided; cleaning device 30 extends to inside ceramic filter 21 by powder collection device 10 is inside, cleaning device 30 is used for regularly clearing up remaining calcium carbonate powder on the ceramic filter 21 lateral wall one by one, avoids the too big equipment trouble that causes of filter equipment resistance.

As shown in fig. 1, the powder collecting apparatus 10 includes: the device comprises a tank body 11, a feeding port 12, a gathering hopper 13 and a discharging port 14; the feeding port 12 is arranged at the top end of the tank body 11, the gathering hopper 13 is arranged at the bottom end of the tank body 11, and the discharging port 14 is arranged at the bottom end of the gathering hopper 13;

the submicron calcium carbonate powder needing to be filtered enters the tank body 11 from the feeding port 12, the submicron calcium carbonate powder is filtered by the separating device 20 in the tank body 11, and gas is separated and discharged from the separating device 20; the submicron calcium carbonate powder falls into the gathering material funnel 13 under the action of gravity, and after the gathering material funnel 13 gathers materials, the submicron calcium carbonate powder falls into a collecting container (not shown in the figure) below the discharge hole 14 through the discharge hole 14 discharging, so that the collection process of the submicron calcium carbonate powder is completed.

As shown in fig. 1, the separation device 20 further includes: an air outlet pipe 22, an air collecting cover 23, a total air pipe 24 and a grid plate 25; grid plate 25 and the inner wall fixed connection of the jar body 11, ceramic filter 21 is installed on grid plate 25, the one end and the inside intercommunication of ceramic filter 21 of play tuber pipe 22, the other end of play tuber pipe 22 and the bottom intercommunication of air-collecting cover 23, the one end of total tuber pipe 24 and the top intercommunication of air-collecting cover 23, the other end of total tuber pipe 24 extends to jar outside 11, and the jar body 11 is outer to communicate with the negative pressure pump (not shown in the figure), the negative pressure pump passes through separator 20 and stays in jar body 11 with the gaseous suction in 11, submicron order calcium carbonate powder is left in jar body 11 after filtering through ceramic filter 21, and submicron order calcium carbonate powder passes through the grid plate 25 under the effect of gravity and falls into gathering material funnel 13.

As shown in fig. 1, the cleaning device 30 includes: the electromagnetic valve 31, the pulse valve 32, and the gas injection pipe 33; the electromagnetic valve 31 is mounted on the air outlet pipe 22 and used for controlling the opening and closing of the air outlet pipe 22, the pulse valve 32 is mounted on the air injection pipe 33 and used for controlling the opening and closing of the air injection pipe 33, the top end of the air injection pipe 33 extends into the ceramic filter element 21, and the tail end of the air injection pipe 33 is communicated with a high-pressure air tank (not shown in the figure);

when the ceramic filter element 21 is cleaned, the corresponding electromagnetic valve 31 is closed, the corresponding pulse valve 32 is opened, pressurized gas is filled into the ceramic filter element 21 to blow off the calcium carbonate powder remained on the side wall of the ceramic filter element from inside to outside, and the cleaning of the ceramic filter element 21 is realized.

The during operation of the filtering device, regularly clear up remaining calcium carbonate powder on the ceramic filter 21 lateral wall one by one, to one of them ceramic filter 21 does not influence other ceramic filter 21 normal work when clearing up, need not to shut down, and the cleaning efficiency is high.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. Ceramic filtering device for filtering submicron calcium carbonate powderThe method is characterized in that: the filtering device includes: a powder collecting device (10), a separating device (20) and a cleaning device (30); the separation device (20) comprises a plurality of groups of independently working ceramic filter elements (21), and the pore diameter of the surface filtering membrane of the ceramic filter elements (21) is

Micron, the ceramic filter element (21) is arranged inside the powder collecting device (10); cleaning device (30) extend to inside ceramic filter core (21) by powder collection device (10) outward, cleaning device (30) are used for regularly clearing up the remaining calcium carbonate powder on ceramic filter core (21) lateral wall one by one.

2. The ceramic filter device for filtering submicron calcium carbonate powder according to claim 1, characterized in that: the powder collecting device (10) comprises: the device comprises a tank body (11), a feeding port (12), a gathering hopper (13) and a discharging port (14); pan feeding mouth (12) set up on jar body (11) top, gather material funnel (13) and set up in jar body (11) bottom, discharge gate (14) set up and gather material funnel (13) bottom.

3. The ceramic filter device for filtering submicron calcium carbonate powder according to claim 1, characterized in that: the separation device (20) further comprises: an air outlet pipe (22), an air collecting cover (23), a total air pipe (24) and a grid plate (25); grid plate (25) and the inner wall fixed connection of the jar body (11), install on grid plate (25) ceramic filter core (21), the one end and the inside intercommunication of ceramic filter core (21) of air-out pipe (22), the other end of air-out pipe (22) and the bottom intercommunication of wind-collecting cover (23), the one end of total tuber pipe (24) and the top intercommunication of wind-collecting cover (23), the other end of total tuber pipe (24) extends to outside the jar body (11), and is in the jar body (11) communicate with the negative pressure pump outward.

4. The ceramic filter device for filtering submicron calcium carbonate powder according to claim 1, characterized in that: the cleaning device (30) comprises: an electromagnetic valve (31), a pulse valve (32) and an air injection pipe (33); the air-out device is characterized in that the electromagnetic valve (31) is installed on the air-out pipe (22) and used for controlling the opening and closing of the air-out pipe (22), the pulse valve (32) is installed on the air-jet pipe (33) and used for controlling the opening and closing of the air-jet pipe (33), the top end of the air-jet pipe (33) extends into the ceramic filter element (21), and the tail end of the air-jet pipe (33) is communicated with the high-pressure air tank.