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CN114525503A - External deslagging system of phosphating solution tank - Google Patents

External deslagging system of phosphating solution tank Download PDF

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Publication number
CN114525503A
CN114525503A CN202210281457.9A CN202210281457A CN114525503A CN 114525503 A CN114525503 A CN 114525503A CN 202210281457 A CN202210281457 A CN 202210281457A CN 114525503 A CN114525503 A CN 114525503A
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China
Prior art keywords
tank
phosphating
valve
pipeline
aeration
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Pending
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CN202210281457.9A
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Chinese (zh)
Inventor
苗梅
马世峰
苗培刚
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Shanghai Zhaoxiao Environmental Protection Technology Co ltd
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Shanghai Zhaoxiao Environmental Protection Technology Co ltd
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Priority to CN202210281457.9A priority Critical patent/CN114525503A/en
Publication of CN114525503A publication Critical patent/CN114525503A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/86Regeneration of coating baths
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Activated Sludge Processes (AREA)

Abstract

The invention discloses a phosphating tank external deslagging system which comprises a phosphating mechanism, an aeration mechanism, a precipitation mechanism and a filtering mechanism, wherein the phosphating mechanism comprises a phosphating tank, the bottom of the phosphating tank is provided with a hole and is connected with a valve I, the right side of the valve I is connected with a phosphating solution delivery pump, one side of the phosphating solution delivery pump is respectively connected with a flowmeter and a backflow pipeline I, the left side of the backflow pipeline I is connected with a valve III, the backflow pipeline I is connected to the inner side of the phosphating tank through the valve III, the aeration mechanism comprises an aeration tank, the top of the aeration tank is provided with an aeration pump, and the right side wall of the aeration tank is provided with a hole and is connected with a overflow pipeline I. The invention has the advantages of external circulation of the tank, no need of production halt, thorough filtration, low energy consumption, meeting the requirements of production process, reducing labor intensity, no need of production halt and slag removal, low energy consumption, cost reduction and potential safety hazard prevention.

Description

External deslagging system of phosphating solution tank
Technical Field
The invention relates to the field of external slag removal of a phosphating solution tank, in particular to an external slag removal system of the phosphating solution tank.
Background
Phosphating is a process in which chemical and electrochemical reactions form a phosphate chemical conversion film, and the formed phosphate conversion film is called a phosphating film. The purpose of phosphating is mainly to provide protection for base metal and prevent the metal from being corroded to a certain degree, and the existing phosphating agents are as follows: high-temperature phosphorization, medium-temperature phosphorization and low-temperature phosphorization. The production temperature of the high-temperature phosphating solution is 90-95 ℃; the production temperature of the medium-temperature phosphating solution is 75-80 ℃; the production temperature of the low-temperature phosphating solution is 60-65 ℃.
However, the production temperature of the medium-high temperature phosphating solution is high, the amount of phosphating slag in the tank is large, the tank needs to be arranged for slag removal, and slag is manually dug. Nowadays, people are interested in low-temperature phosphating solution, slag is not generated in a low-temperature phosphating solution tank, and the tank is required to be circulated and slagging outside the tank.
Therefore, a convenient, fast and stable slag removing system outside the tank is needed, and the technical personnel in the field provide the slag removing system outside the tank for the phosphating solution to solve the problems in the background art.
Disclosure of Invention
To solve the above technical problems, the present invention provides:
the system for removing the slag outside the phosphating solution tank comprises a phosphating mechanism, an aeration mechanism, a precipitation mechanism and a filtering mechanism, wherein the phosphating mechanism comprises a phosphating tank, the bottom of the phosphating tank is provided with a hole and is connected with a valve I, and the right side of the valve I is connected with a phosphating solution delivery pump;
one side of the phosphating solution conveying pump is respectively connected with a flowmeter and a first return pipeline, the left side of the first return pipeline is connected with a third valve, and the first return pipeline is connected to the inner side of the phosphating tank through the third valve;
the aeration mechanism comprises an aeration tank, an aeration pump is arranged at the top of the aeration tank, and the right side wall of the aeration tank is provided with a hole and is connected with a first overflow pipeline;
the sedimentation mechanism comprises an inclined plate sedimentation tank, the bottom end of the inclined plate sedimentation tank is connected with a slag discharge pipeline, the right side of the slag discharge pipeline is connected with a valve V, and the right side of the valve V is connected with an automatic valve;
the filtering mechanism comprises a filter, and the bottom of the filter is connected with a slag barrel.
Preferably: the phosphating mechanism further comprises a second valve, and a flowmeter is connected to the left side of the second valve.
Preferably: the right side of the valve II is connected with a first conveying pipeline, and the top end of the first conveying pipeline is connected inside the aeration tank.
Preferably: and the side wall of the top of the inclined plate sedimentation tank is provided with a hole and is connected with a second overflow pipeline, and the bottom end of the second overflow pipeline is connected with a third return pipeline.
Preferably: and one end of the backflow pipeline III is connected to the inner side of the filter, and the other end of the backflow pipeline III is connected with the backflow pipeline I and is connected into the phosphating tank through the backflow pipeline I.
Preferably: the bottom of the aeration tank is provided with a hole and is connected with a discharge pipeline, the bottom of the discharge pipeline is connected with a fourth valve, and the bottom of the fourth valve is connected with a third return pipeline.
Preferably: the right side of the automatic valve is connected with a slurry pump, the top of the right side of the slurry pump is connected with a second conveying pipeline, and the side wall of the second conveying pipeline is connected with a pressure gauge.
Preferably: and the top end of the second conveying pipeline is connected with a seventh valve, and the right side of the seventh valve is connected with a filter.
Preferably: the sedimentation mechanism further comprises a second return pipeline, the right side of the second return pipeline is connected with a sixth valve, and the right side of the sixth valve is connected with a second conveying pipeline.
The invention has the technical effects and advantages that:
the invention has the advantages of external circulation of the tank, no need of production halt, thorough filtration, low energy consumption, meeting the requirements of production process, reducing labor intensity, no need of production halt and slag removal, low energy consumption, cost reduction and potential safety hazard prevention.
Drawings
FIG. 1 is a schematic structural diagram of an out-of-tank slag removal system for phosphating solution provided by an embodiment of the application;
in the figure:
1. a phosphating mechanism; 101. a phosphating tank; 102. a first valve; 103. a phosphating solution delivery pump; 104. a flow meter; 105. a second valve; 106. a first conveying pipeline; 107. a third valve; 108. a first return pipeline;
2. an aeration mechanism; 201. an aeration tank; 202. an aeration pump; 203. a first overflow pipeline; 204. a discharge conduit; 205. a fourth valve;
3. a precipitation mechanism; 301. a sloping plate sedimentation tank; 302. a second overflow pipeline; 303. a slag discharge pipeline; 304. a fifth valve; 305. an automatic valve; 306. a slurry pump; 307. a second conveying pipeline; 308. a sixth valve; 309. a second return pipeline; 310. a pressure gauge; 311. a valve seventh;
4. a filtering mechanism; 401. a filter; 402. a slag bucket; 403. and a third return pipeline.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Example 1
Referring to fig. 1, the system for removing slag outside a phosphating solution tank provided in the present embodiment includes a phosphating mechanism 1, an aeration mechanism 2, a precipitation mechanism 3, and a filtering mechanism 4, where the phosphating mechanism 1 includes a phosphating tank 101, an opening is formed at the bottom of the phosphating tank 101 and is connected to a first valve 102, and the right side of the first valve 102 is connected to a phosphating solution delivery pump 103;
one side of the phosphating solution delivery pump 103 is respectively connected with a flowmeter 104 and a first return pipeline 108, the left side of the first return pipeline 108 is connected with a third valve 107, and the first return pipeline 108 is connected to the inner side of the phosphating tank 101 through the third valve 107;
the aeration mechanism 2 comprises an aeration tank 201, an aeration pump 202 is installed at the top of the aeration tank 201, an opening is formed in the right side wall of the aeration tank 201, and a first overflow pipeline 203 is connected to the opening;
the sedimentation mechanism 3 comprises an inclined plate sedimentation tank 301, the bottom end of the inclined plate sedimentation tank 301 is connected with a slag discharge pipeline 303, the right side of the slag discharge pipeline 303 is connected with a valve five 304, and the right side of the valve five 304 is connected with an automatic valve 305;
the filtering mechanism 4 comprises a filter 401, and the bottom of the filter 401 is connected with a slag barrel 402;
the phosphating mechanism 1 further comprises a second valve 105, and the left side of the second valve 105 is connected with a flowmeter 104;
the right side of the second valve 105 is connected with a first conveying pipeline 106, and the top end of the first conveying pipeline 106 is connected inside the aeration tank 201;
the side wall of the top of the inclined plate sedimentation tank 301 is provided with a hole and is connected with a second overflow pipeline 302, and the bottom end of the second overflow pipeline 302 is connected with a third return pipeline 403;
one end of the third return pipeline 403 is connected to the inner side of the filter 401, and the other end of the third return pipeline 403 is connected with the first return pipeline 108 and is connected into the phosphating tank 101 through the first return pipeline 108;
the bottom of the aeration tank 201 is provided with a hole and is connected with a discharge pipeline 204, the bottom of the discharge pipeline 204 is connected with a fourth valve 205, and the bottom of the fourth valve 205 is connected with a third return pipeline 403;
the right side of the automatic valve 305 is connected with a mud pump 306, the top of the right side of the mud pump 306 is connected with a second conveying pipeline 307, and the side wall of the second conveying pipeline 307 is connected with a pressure gauge 310;
the top end of the second conveying pipeline 307 is connected with a valve seventh 311, and the right side of the valve seventh 311 is connected with a filter 401;
the sedimentation mechanism 3 further comprises a second return pipeline 309, the right side of the second return pipeline 309 is connected with a sixth valve 308, and the right side of the sixth valve 308 is connected with a second conveying pipeline 307;
the working principle of the invention is as follows:
the first valve 102 is normally open, (only closed under special conditions such as maintenance and production stop) liquid in the phosphating tank 101 passes through the first valve 102, is powered by a phosphating liquid delivery pump 103 and is delivered to the aeration mechanism 2 through a delivery pipe I106, and the second valve 105 and the third valve 107 are used for adjusting the flow rate of the delivery pipe I106 and a return pipe I108 so as to ensure that proper liquid enters the aeration mechanism 2; the flow meter 104 measures the pipeline liquid flow;
the phosphating solution of the phosphating mechanism 1 enters an aeration tank 201, an aeration pump 202 blows air to the phosphating solution to oxidize the phosphate in the phosphating solution to form precipitates, the redundant phosphating solution overflows to an overflow pipeline I203 and is conveyed into an inclined plate precipitation tank 301, a discharge pipeline 204 and a valve IV 205 are arranged below the aeration tank 201, and the liquid can be discharged into a filter 401 through a slag discharge pipeline 303 during maintenance;
the phosphating solution in the aeration tank 201 overflows to the inclined plate precipitation tank 301 through an overflow pipeline I203 for precipitation and stratification, the supernatant is discharged into a return pipeline III 405 through an overflow pipeline II 302 and then flows back to the phosphating tank 101, and the phosphating slag is precipitated at the bottom of the inclined plate precipitation tank 301;
the phosphorization slag at the bottom of the inclined plate sedimentation tank 301 passes through a slag discharge pipeline 303, a valve five 304 and an automatic valve 305 (the valve five 304 is normally opened and closed during maintenance or parking), and is discharged into a filter 401 of the filtering mechanism 4 through a slurry pump 306 via a conveying pipeline two 307;
valve six 308 and valve seven 311 are flow regulating aspects;
the second return pipeline 309 returns the liquid with the excessive flow rate to the inclined plate sedimentation tank 301;
the pressure gauge 310 measures the pressure of the second conveying pipeline 307;
the filter 401 is a sludge separator which has the function of separating dirty liquid and can be a plate and frame filter press, a centrifugal filter, a belt filter and the like;
the slag barrel 402 receives the solid slag filtered by the filter 401;
and a filtrate return pipeline 403 for returning the filtered liquid to the phosphating tank 101.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims (9)

1. The external deslagging system of the phosphating solution tank is characterized by comprising a phosphating mechanism (1), an aeration mechanism (2), a precipitation mechanism (3) and a filtering mechanism (4), wherein the phosphating mechanism (1) comprises a phosphating tank (101), the bottom of the phosphating tank (101) is provided with an opening and is connected with a valve I (102), and the right side of the valve I (102) is connected with a phosphating solution delivery pump (103);
one side of the phosphating solution conveying pump (103) is respectively connected with a flowmeter (104) and a first return pipeline (108), the left side of the first return pipeline (108) is connected with a third valve (107), and the first return pipeline (108) is connected to the inner side of the phosphating tank (101) through the third valve (107);
the aeration mechanism (2) comprises an aeration tank (201), an aeration pump (202) is installed at the top of the aeration tank (201), an opening is formed in the right side wall of the aeration tank (201), and a first overflow pipeline (203) is connected to the opening;
the sedimentation mechanism (3) comprises an inclined plate sedimentation tank (301), the bottom end of the inclined plate sedimentation tank (301) is connected with a slag discharge pipeline (303), the right side of the slag discharge pipeline (303) is connected with a valve five (304), and the right side of the valve five (304) is connected with an automatic valve (305);
the filtering mechanism (4) comprises a filter (401), and the bottom of the filter (401) is connected with a slag barrel (402).
2. The phosphating out-of-tank deslagging system of claim 1, wherein the phosphating mechanism (1) further comprises a second valve (105), and a flowmeter (104) is connected to the left side of the second valve (105).
3. The phosphating out-of-tank deslagging system of claim 2, wherein a first conveying pipeline (106) is connected to the right side of the second valve (105), and the top end of the first conveying pipeline (106) is connected to the inside of the aeration tank (201).
4. The deslagging system outside the liquid tank for phosphating according to claim 1, wherein a hole is formed in the side wall of the top of the inclined plate sedimentation tank (301), a second overflow pipeline (302) is connected, and a third return pipeline (403) is connected to the bottom end of the second overflow pipeline (302).
5. The deslagging system outside the phosphating solution tank according to claim 4, wherein one end of the return pipeline III (403) is connected to the inner side of the filter (401), and the other end of the return pipeline III (403) is connected with the return pipeline I (108) and is connected into the phosphating tank (101) through the return pipeline I (108).
6. The deslagging system outside the phosphating solution tank of claim 1, wherein a hole is formed in the bottom of the aeration tank (201) and is connected with a discharge pipeline (204), a valve four (205) is connected to the bottom of the discharge pipeline (204), and a return pipeline three (403) is connected to the bottom of the valve four (205).
7. The deslagging system outside the phosphating solution tank of claim 1, wherein a mud pump (306) is connected to the right side of the automatic valve (305), a second conveying pipeline (307) is connected to the top of the right side of the mud pump (306), and a pressure gauge (310) is connected to the side wall of the second conveying pipeline (307).
8. The phosphating out-of-tank deslagging system of claim 7, wherein a valve seven (311) is connected to the top end of the second conveying pipeline (307), and a filter (401) is connected to the right side of the valve seven (311).
9. The deslagging system outside the phosphating solution tank according to claim 1, wherein the precipitation mechanism (3) further comprises a second return pipeline (309), the right side of the second return pipeline (309) is connected with a sixth valve (308), and the right side of the sixth valve (308) is connected with a second delivery pipeline (307).
CN202210281457.9A 2022-03-22 2022-03-22 External deslagging system of phosphating solution tank Pending CN114525503A (en)

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CN202210281457.9A CN114525503A (en) 2022-03-22 2022-03-22 External deslagging system of phosphating solution tank

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118390034A (en) * 2024-04-23 2024-07-26 派诺(湖北)绿色化学智造有限公司 Out-tank slag-forming phosphating equipment and process

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968360A (en) * 1987-12-16 1990-11-06 Gerhard Collardin Gmbh Process for desludging phosphating baths and device for carrying out said process
DE10029963A1 (en) * 2000-06-26 2002-01-03 Volkswagen Ag Filtering liquid phosphatizing liquid comprises directly introducing additive to liquid added to filtering device
CN103668145A (en) * 2012-09-03 2014-03-26 洛阳艾笛曼机械设备有限公司 Phosphorization and phosphorization deslagging integrated device and process
CN106222635A (en) * 2016-09-18 2016-12-14 扬州华联涂装机械有限公司 A kind of environment-friendly type online Phosphating Solution slag removing system
CN206052153U (en) * 2016-09-18 2017-03-29 扬州华联涂装机械有限公司 The online Phosphating Solution slag removing system of environment-friendly type
CN108866535A (en) * 2018-08-30 2018-11-23 安徽江淮汽车集团股份有限公司 A kind of phosphorizing residue removal constant flux control system
CN110205622A (en) * 2019-07-10 2019-09-06 宝钢集团南通线材制品有限公司 A kind of wire surface phosphatization Slag treatment method
CN110304685A (en) * 2019-07-10 2019-10-08 宝钢集团南通线材制品有限公司 Phosphatization slag disposal system and treatment process in a kind of wire surface process for producing line
CN113737251A (en) * 2021-08-31 2021-12-03 颖兴新材料(广东)有限公司 Phosphorization method for removing ferrous iron by utilizing aeration and phosphorization system thereof
CN215050695U (en) * 2021-03-10 2021-12-07 广汽本田汽车有限公司 Phosphorization deslagging system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4968360A (en) * 1987-12-16 1990-11-06 Gerhard Collardin Gmbh Process for desludging phosphating baths and device for carrying out said process
DE10029963A1 (en) * 2000-06-26 2002-01-03 Volkswagen Ag Filtering liquid phosphatizing liquid comprises directly introducing additive to liquid added to filtering device
CN103668145A (en) * 2012-09-03 2014-03-26 洛阳艾笛曼机械设备有限公司 Phosphorization and phosphorization deslagging integrated device and process
CN106222635A (en) * 2016-09-18 2016-12-14 扬州华联涂装机械有限公司 A kind of environment-friendly type online Phosphating Solution slag removing system
CN206052153U (en) * 2016-09-18 2017-03-29 扬州华联涂装机械有限公司 The online Phosphating Solution slag removing system of environment-friendly type
CN108866535A (en) * 2018-08-30 2018-11-23 安徽江淮汽车集团股份有限公司 A kind of phosphorizing residue removal constant flux control system
CN110205622A (en) * 2019-07-10 2019-09-06 宝钢集团南通线材制品有限公司 A kind of wire surface phosphatization Slag treatment method
CN110304685A (en) * 2019-07-10 2019-10-08 宝钢集团南通线材制品有限公司 Phosphatization slag disposal system and treatment process in a kind of wire surface process for producing line
CN215050695U (en) * 2021-03-10 2021-12-07 广汽本田汽车有限公司 Phosphorization deslagging system
CN113737251A (en) * 2021-08-31 2021-12-03 颖兴新材料(广东)有限公司 Phosphorization method for removing ferrous iron by utilizing aeration and phosphorization system thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118390034A (en) * 2024-04-23 2024-07-26 派诺(湖北)绿色化学智造有限公司 Out-tank slag-forming phosphating equipment and process

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