阅读说明：本技术 一种高端铸件废渣回收工艺 (High-end casting waste residue recovery process ) 是由 张鑫 徐继才 张远帮 于 2021-09-17 设计创作，主要内容包括：本发明涉及铸件废渣处理技术领域,公开了一种高端铸件废渣回收工艺,包括以下步骤：S1：清洗烘干；S2：疏导除铁；S3：过滤提取；S4：压制贮存；本发明在将铸铁废渣进行回收时,会先对废渣进行清洗处理,进而便于后续的使用,并且利用除铁设备可将废渣中的铁快速的吸附,这样可回收废渣中的铁,同时利用稀盐酸,可将废渣中的铜快速的析出,该设置可快速的将废渣中的铁和铜回收,可有效的节约资源,同时在后续对无铜无铁的废渣处理时还会对其加入除渣剂,这样能够使得对废渣处理的效果更好,最后还对废渣进行压制贮存,这样能够便于废渣的后续使用,可有效的节约成本,降低能源消耗。(The invention relates to the technical field of casting waste residue treatment, and discloses a high-end casting waste residue recovery process, which comprises the following steps: s1: cleaning and drying; s2: dredging and removing iron; s3: filtering and extracting; s4: pressing and storing; when the cast iron waste residue is recycled, the waste residue is cleaned firstly, so that the subsequent use is convenient, iron in the waste residue can be quickly adsorbed by using iron removing equipment, so that the iron in the waste residue can be recycled, and simultaneously, copper in the waste residue can be quickly separated out by using dilute hydrochloric acid.)

1. A high-end casting waste residue recovery process is characterized by comprising the following steps:

s1: cleaning and drying: putting the waste residues into a cleaning pool for cleaning, stirring in the cleaning process to remove impurity and dust in the waste residues, and putting the waste residues into a drying box for drying after cleaning;

s2: dredging and deironing: weighing the waste residue treated in the S1, placing the weighed waste residue on a conveyor belt, arranging a guide plate on a support of the conveyor belt, arranging an iron removing device on one side of the guide plate on the support of the conveyor belt, so that the waste residue can be guided when being conveyed, absorbing iron in the waste residue by using the iron removing device, and extracting the iron from the waste residue, wherein the rest is the waste residue;

s3: filtering and extracting: putting the waste residue obtained in the step S2 after iron removal into an extraction cylinder, pouring dilute hydrochloric acid into the extraction cylinder, and continuously stirring the dilute hydrochloric acid, so that copper in the waste residue can be quickly separated out, and filtering the solution after all the copper is separated out, so as to obtain copper-free and iron-free waste residue;

s4: and (3) pressing and storing: and (4) pressing the waste residue obtained in the step (S3) under the action of the air cylinder, and storing the pressed waste residue in a storage box for subsequent use.

2. The high-end casting waste residue recovery process according to claim 1, wherein in the step S1, when the waste residue is stirred and cleaned, the stirring time is 30-50min, and the clean water needs to be replaced more than twice in the cleaning tank.

3. The high-end casting waste residue recovery process according to claim 1, wherein the drying time for drying the cleaned waste residue in step S1 is 1-2h, and the drying temperature is 85-90 ℃.

4. The high-end casting scrap recycling process according to claim 1, wherein the height difference between the evacuation plate and the conveyor belt in step S2 is adjustable.

5. The high-end casting waste residue recovery process according to claim 1, wherein in step S2, the iron removing device is capable of rapidly adsorbing iron in the waste residue onto the surface of the adsorption magnet by using the action of the adsorption magnet, and at least two groups of iron removing devices are arranged on the conveyor belt bracket.

6. The high-end casting waste residue recovery process according to claim 1, wherein the waste residue obtained after filtration is dried in step S3, the drying time is 40-60min, and the drying temperature is 90-95 ℃.

7. The high-end casting waste residue recovery process according to claim 1, wherein the concentration of the dilute hydrochloric acid in the step S3 is 3-6mol/L, and the waste residue is filtered at least twice.

8. The high-end casting slag recovery process of claim 1, wherein the stirring time in step S3 is 50-60min, and the temperature during stirring is 85-90 ℃.

9. The high-end casting waste residue recovery process according to claim 1, wherein a slag removing agent is added into the obtained waste residue after the step S3, and the obtained waste residue is stirred after the addition, so that the slag removing agent and the waste residue are fully reacted, and the slag removing treatment is efficiently performed on the waste residue.

10. The high-end casting waste residue recovery process according to claim 1, wherein in step S4, when the waste residue is pressed, the number of falls of the cylinder is not less than 20, and the waste residue is weighed again after pressing, so as to compare with the waste residue without iron and copper removal, and further obtain the weight before and after removing the slag.

Technical Field

The invention relates to the technical field of casting waste residue treatment, in particular to a high-end casting waste residue recovery process.

Background

Castings have a long history of application, people can utilize the castings as living appliances in ancient times, the castings are actually formed metal objects obtained by various casting methods, mainly, smelted liquid metal is poured into a casting mold prepared in advance by pouring, injection, suction or other casting methods, and the objects with certain shapes, sizes and properties are obtained by subsequent processing means such as grinding after cooling.

However, the casting at present generates more waste slag in the production process, and the waste slag contains a large amount of impurity dust and a large amount of iron and copper, which causes resource waste. Accordingly, those skilled in the art have provided a high-end casting slag recycling process to solve the above problems in the background art.

Disclosure of Invention

The invention aims to provide a high-end casting waste residue recovery process to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a high-end casting waste residue recovery process comprises the following steps:

s1: cleaning and drying: putting the waste residues into a cleaning pool for cleaning, stirring in the cleaning process to remove impurity and dust in the waste residues, and putting the waste residues into a drying box for drying after cleaning;

s2: dredging and deironing: weighing the waste residue treated in the S1, placing the weighed waste residue on a conveyor belt, arranging a guide plate on a support of the conveyor belt, arranging an iron removing device on one side of the guide plate on the support of the conveyor belt, so that the waste residue can be guided when being conveyed, absorbing iron in the waste residue by using the iron removing device, and extracting the iron from the waste residue, wherein the rest is the waste residue;

s3: filtering and extracting: putting the waste residue obtained in the step S2 after iron removal into an extraction cylinder, pouring dilute hydrochloric acid into the extraction cylinder, and continuously stirring the dilute hydrochloric acid, so that copper in the waste residue can be quickly separated out, and filtering the solution after all the copper is separated out, so as to obtain copper-free and iron-free waste residue;

s4: and (3) pressing and storing: and (4) pressing the waste residue obtained in the step (S3) under the action of the air cylinder, and storing the pressed waste residue in a storage box for subsequent use.

As a still further scheme of the invention: when the waste residue is stirred and cleaned in the step S1, the stirring time is 30-50min, and the clean water needs to be replaced more than twice in the cleaning pool.

As a still further scheme of the invention: and in the step S1, when the cleaned waste residue is dried, the drying time is 1-2h, and the drying temperature is 85-90 ℃.

As a still further scheme of the invention: the height difference between the dredging board and the conveyor belt in step S2 is adjustable.

As a still further scheme of the invention: in step S2, the iron removing apparatus is capable of rapidly adsorbing iron in the waste slag onto the surface of the adsorption magnet by using the action of the adsorption magnet, and at least two or more groups of iron removing apparatuses are disposed on the conveyor belt support.

As a still further scheme of the invention: and S3, drying the waste residue obtained after filtration for 40-60min at 90-95 ℃.

As a still further scheme of the invention: the concentration of the dilute hydrochloric acid in the step S3 is 3-6mol/L, and the dilute hydrochloric acid is filtered at least twice when the waste residue is filtered.

As a still further scheme of the invention: the stirring time is 50-60min in step S3, and the temperature is 85-90 ℃ while stirring.

As a still further scheme of the invention: and step S3, adding a deslagging agent into the obtained waste residues, and stirring the slag after adding the deslagging agent into the waste residues, so that the deslagging agent and the waste residues are fully reacted, and deslagging the waste residues efficiently.

As a still further scheme of the invention: and in the step S4, when the waste residues are pressed, the falling frequency of the air cylinder is not less than 20 times, and the waste residues need to be weighed again after the pressing, so that the weight of the waste residues before and after deslagging is obtained by comparing the weight of the waste residues with the weight of the waste residues without iron and copper removal.

Compared with the prior art, the invention has the beneficial effects that: when the cast iron waste residue is recycled, the waste residue is cleaned firstly, so that the subsequent use is convenient, iron in the waste residue can be quickly adsorbed by using iron removing equipment, so that the iron in the waste residue can be recycled, and simultaneously, copper in the waste residue can be quickly separated out by using dilute hydrochloric acid.

Drawings

FIG. 1 is a flow chart of a high-end casting waste residue recovery process.

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.

The embodiment of the invention provides a high-end casting waste residue recovery process, which comprises the following steps:

s1: cleaning and drying: putting the waste residues into a cleaning pool for cleaning, stirring in the cleaning process to remove impurity and dust in the waste residues, and putting the waste residues into a drying box for drying after cleaning;

when the waste residue is stirred and cleaned in the step S1, the stirring time is 30min, and clear water needs to be replaced more than twice in the cleaning pool; when the cleaned waste residue is dried in the step S1, the drying time is 1h, and the drying temperature is 85 ℃;

s2: dredging and deironing: weighing the waste residue treated in the S1, placing the weighed waste residue on a conveyor belt, arranging a guide plate on a support of the conveyor belt, arranging an iron removing device on one side of the guide plate on the support of the conveyor belt, so that the waste residue can be guided when being conveyed, absorbing iron in the waste residue by using the iron removing device, and extracting the iron from the waste residue, wherein the rest is the waste residue;

in step S2, the height difference between the dredging board and the conveyor belt is set, and the height of the dredging board is adjustable; in step S2, the iron removing apparatus is capable of rapidly adsorbing iron in the waste slag onto the surface of the adsorption magnet by using the action of the adsorption magnet, and at least two or more groups of iron removing apparatuses are arranged on the conveyor belt bracket;

s3: filtering and extracting: putting the waste residue obtained in the step S2 after iron removal into an extraction cylinder, pouring dilute hydrochloric acid into the extraction cylinder, and continuously stirring the dilute hydrochloric acid, so that copper in the waste residue can be quickly separated out, and filtering the solution after all the copper is separated out, so as to obtain copper-free and iron-free waste residue;

the concentration of the dilute hydrochloric acid is 3mol/L in the step S3, and the dilute hydrochloric acid is filtered at least twice when the waste residue is filtered; drying the waste residue obtained after filtration in step S3, wherein the drying time is 40min and the drying temperature is 90 ℃; the stirring time was 50min in step S3, and the temperature thereof was 85 ℃ while stirring; adding a slag removing agent into the obtained waste residues after the step S3, and stirring the slag removing agent after the addition, so that the slag removing agent and the waste residues are fully reacted, and the slag removing treatment is efficiently carried out on the waste residues;

s4: and (3) pressing and storing: pressing the waste residue obtained in the step S3 by using an air cylinder, and storing the pressed waste residue in a storage box for subsequent use;

in the step S4, when the slag is pressed, the number of falls of the cylinder is not less than 20, and the slag needs to be weighed again after pressing, so as to compare with the slag without removing iron and copper, and obtain the weight before and after slag removal.

Example two

A high-end casting waste residue recovery process comprises the following steps:

s1: cleaning and drying: putting the waste residues into a cleaning pool for cleaning, stirring in the cleaning process to remove impurity and dust in the waste residues, and putting the waste residues into a drying box for drying after cleaning;

when the waste residue is stirred and cleaned in the step S1, the stirring time is 40min, and clear water needs to be replaced more than twice in the cleaning pool; when the cleaned waste residue is dried in the step S1, the drying time is 1.5h, and the drying temperature is 87 ℃;

s2: dredging and deironing: weighing the waste residue treated in the S1, placing the weighed waste residue on a conveyor belt, arranging a guide plate on a support of the conveyor belt, arranging an iron removing device on one side of the guide plate on the support of the conveyor belt, so that the waste residue can be guided when being conveyed, absorbing iron in the waste residue by using the iron removing device, and extracting the iron from the waste residue, wherein the rest is the waste residue;

in step S2, the height difference between the dredging board and the conveyor belt is set, and the height of the dredging board is adjustable; in step S2, the iron removing apparatus is capable of rapidly adsorbing iron in the waste slag onto the surface of the adsorption magnet by using the action of the adsorption magnet, and at least two or more groups of iron removing apparatuses are arranged on the conveyor belt bracket;

s3: filtering and extracting: putting the waste residue obtained in the step S2 after iron removal into an extraction cylinder, pouring dilute hydrochloric acid into the extraction cylinder, and continuously stirring the dilute hydrochloric acid, so that copper in the waste residue can be quickly separated out, and filtering the solution after all the copper is separated out, so as to obtain copper-free and iron-free waste residue;

drying the waste residue obtained after filtration in step S3, wherein the drying time is 50min, and the drying temperature is 93 ℃; the concentration of the dilute hydrochloric acid is 5mol/L in the step S3, and the dilute hydrochloric acid is filtered at least twice when the waste residue is filtered; the stirring time was 55min in step S3, and the temperature thereof was 87 ℃ while stirring; adding a slag removing agent into the obtained waste residues after the step S3, and stirring the slag removing agent after the addition, so that the slag removing agent and the waste residues are fully reacted, and the slag removing treatment is efficiently carried out on the waste residues;

s4: and (3) pressing and storing: pressing the waste residue obtained in the step S3 by using an air cylinder, and storing the pressed waste residue in a storage box for subsequent use;

in the step S4, when the slag is pressed, the number of falls of the cylinder is not less than 20, and the slag needs to be weighed again after pressing, so as to compare with the slag without removing iron and copper, and obtain the weight before and after slag removal.

EXAMPLE III

A high-end casting waste residue recovery process comprises the following steps:

s1: cleaning and drying: putting the waste residues into a cleaning pool for cleaning, stirring in the cleaning process to remove impurity and dust in the waste residues, and putting the waste residues into a drying box for drying after cleaning;

when the waste residue is stirred and cleaned in the step S1, the stirring time is 50min, and clear water needs to be replaced more than twice in the cleaning pool; when the cleaned waste residue is dried in the step S1, the drying time is 2h, and the drying temperature is 90 ℃;

s2: dredging and deironing: weighing the waste residue treated in the S1, placing the weighed waste residue on a conveyor belt, arranging a guide plate on a support of the conveyor belt, arranging an iron removing device on one side of the guide plate on the support of the conveyor belt, so that the waste residue can be guided when being conveyed, absorbing iron in the waste residue by using the iron removing device, and extracting the iron from the waste residue, wherein the rest is the waste residue;

in step S2, the height difference between the dredging board and the conveyor belt is set, and the height of the dredging board is adjustable; in step S2, the iron removing apparatus is capable of rapidly adsorbing iron in the waste slag onto the surface of the adsorption magnet by using the action of the adsorption magnet, and at least two or more groups of iron removing apparatuses are arranged on the conveyor belt bracket;

s3: filtering and extracting: putting the waste residue obtained in the step S2 after iron removal into an extraction cylinder, pouring dilute hydrochloric acid into the extraction cylinder, and continuously stirring the dilute hydrochloric acid, so that copper in the waste residue can be quickly separated out, and filtering the solution after all the copper is separated out, so as to obtain copper-free and iron-free waste residue;

drying the waste residue obtained after filtration in step S3, wherein the drying time is 60min and the drying temperature is 95 ℃; the concentration of the dilute hydrochloric acid is 6mol/L in the step S3, and the dilute hydrochloric acid is filtered at least twice when the waste residue is filtered; the stirring time was 60min in step S3, and the temperature thereof was 90 ℃ while stirring; adding a slag removing agent into the obtained waste residues after the step S3, and stirring the slag removing agent after the addition, so that the slag removing agent and the waste residues are fully reacted, and the slag removing treatment is efficiently carried out on the waste residues;

s4: and (3) pressing and storing: pressing the waste residue obtained in the step S3 by using an air cylinder, and storing the pressed waste residue in a storage box for subsequent use;

in the step S4, when the slag is pressed, the number of falls of the cylinder is not less than 20, and the slag needs to be weighed again after pressing, so as to compare with the slag without removing iron and copper, and obtain the weight before and after slag removal.

When the cast iron waste residue is recycled, the waste residue is cleaned firstly, so that the subsequent use is convenient, iron in the waste residue can be quickly adsorbed by using iron removing equipment, so that the iron in the waste residue can be recycled, and simultaneously, copper in the waste residue can be quickly separated out by using dilute hydrochloric acid.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.