CN212152440U - Environment-friendly treatment device for chromium-free passivation solution - Google Patents
Environment-friendly treatment device for chromium-free passivation solution Download PDFInfo
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- CN212152440U CN212152440U CN202020377737.6U CN202020377737U CN212152440U CN 212152440 U CN212152440 U CN 212152440U CN 202020377737 U CN202020377737 U CN 202020377737U CN 212152440 U CN212152440 U CN 212152440U
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- chromium
- passivation
- free passivation
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- liquid
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Abstract
The utility model relates to the technical field of metal processing, specifically speaking relates to an environmental protection processing apparatus of chromium-free passivation liquid, including chromium-free passivation liquid case, water bath heating cabinet and passivation processing case, chromium-free passivation liquid case inlays and locates the water bath heating cabinet in, and the tube head that leads to more sets up in passivation processing incasement top, is connected with the shower head on every branch pipe of the tube head that leads to more. The utility model discloses a place metal parts on passivation part fixing base to spray the metal parts surface through a plurality of shower heads, improve the speed that sprays, it can take out fast after the chromium-free passivation liquid of surface drips and dries to spray the back, and the liquid that sprays after spraying flows back to in the chromium-free passivation liquid case through the return line, repeatedly usable energy-concerving and environment-protective reduce cost, can carry out the constant temperature water bath heating to the chromium-free passivation liquid in the chromium-free passivation liquid case in chromium-free passivation liquid bottom of the case portion installation water bath heating cabinet, improve the speed of metal parts passivation.
Description
Technical Field
The utility model relates to the technical field of metal processing, specifically a chromium-free passivation solution's environmental protection processing apparatus.
Background
The chromium-free passivation solution is a chromium-free passivation solution, and a metal easy to corrode can be passivated to form a passivation film after being treated by the chromium-free passivation solution, so that the chromium-free passivation solution is widely applied to surface passivation, oxidation resistance and coating pretreatment of aluminum, copper, iron, stainless steel and alloy, the passivation film has good corrosion resistance and strong binding force with a coating, and can be used as a good base for subsequent treatment such as spraying and the like. At present, when the metal parts are passivated, the metal parts are directly put into a container containing chromium-free passivation solution and are completely immersed in the liquid, the metal parts are not easy to take out, the use amount of the chromium-free passivation solution is large, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an environmental protection processing apparatus of chromium-free passivation liquid to solve the difficult problem of taking out and the use amount of chromium-free passivation liquid of present metal part passivation that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an environment-friendly treatment device of chromium-free passivation solution comprises a chromium-free passivation solution tank, a water bath heating tank and a passivation treatment tank, wherein the chromium-free passivation solution tank is embedded in the water bath heating tank, a water pump is arranged at the bottom in the chromium-free passivation solution tank, the liquid outlet end of the water pump is connected with a conveying pipe, one end of the conveying pipe, which is far away from the water pump, is connected with a multi-way pipe head, the multi-way pipe head is arranged at the top in the passivation treatment tank, a spray head is connected onto each branch pipe of the multi-way pipe head, the bottom of the passivation treatment tank is obliquely arranged, a support is arranged at the inner side of the bottom, a passivation part fixing seat is arranged at the top of the support and is positioned under the multi-way pipe head, the low end of the bottom of the passivation treatment tank is communicated with the interior of the chromium, four support frames are installed at the bottom of the passivation treatment box.
Preferably, the cross-section of passivation part fixing base is U type structure, and the bottom of passivation part fixing base is seted up a plurality of even equidistance through-holes of arranging.
Preferably, fixing seats for fixing the chromium-free passivation liquid tank are symmetrically arranged at the bottoms of the two sides in the water bath heating tank, and electric heating pipes are installed on the bottom side in the water bath heating tank.
Preferably, the heating range of the electric heating tube is 35-45 ℃.
Preferably, the inner wall of the water bath heating box is provided with a heat preservation layer, and the heat preservation layer is made of pearl wool materials.
Preferably, the top of the chromium-free passivation liquid tank is connected with a liquid feeding pipe.
Preferably, the chromium-free passivation liquid tank is filled with three quarters of the total volume of the chromium-free passivation liquid.
Compared with the prior art, the beneficial effects of the utility model are that: the metal part is placed on the passivation part fixing seat in the environment-friendly treatment device for the chromium-free passivation solution, the surface of the metal part is sprayed through the plurality of spray heads, the spraying speed is improved, the sprayed surface chromium-free passivation solution can be quickly taken out after being drained, the sprayed spray solution flows back to the chromium-free passivation solution box through the backflow pipe, the environment-friendly treatment device can be repeatedly used, the energy is saved, the environment is protected, the cost is reduced, the water bath heating box is installed at the bottom of the chromium-free passivation solution box, the constant-temperature water bath heating can be carried out on the chromium-free passivation solution in the chromium-free passivation solution box, and the passivation speed.
Drawings
FIG. 1 is a schematic diagram of the principle structure of the present invention;
FIG. 2 is a schematic structural diagram of the passivation treatment box of the present invention;
FIG. 3 is a schematic structural view of a chromium-free passivation liquid tank and a water bath heating tank according to the present invention;
fig. 4 is a schematic structural diagram of the passivation component fixing seat of the present invention.
In the figure: 1. a chromium-free passivation liquid tank; 11. a water pump; 12. a delivery pipe; 13. a multi-way pipe head; 14. a shower head; 15. a liquid feeding pipe; 2. a water bath heating box; 21. a fixed seat; 22. an electric heating tube; 23. a heat-insulating layer; 3. a passivation treatment box; 31. a support; 32. passivating the part fixing seat; 33. a support frame; 34. a through hole; 35. a return pipe; 36. and (4) a box door.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example 1
An environment-friendly treatment device of chromium-free passivation solution is disclosed, as shown in fig. 1-4, comprising a chromium-free passivation solution tank 1, a water bath heating tank 2 and a passivation treatment tank 3, wherein the chromium-free passivation solution tank 1 is embedded in the water bath heating tank 2, a water pump 11 is arranged at the bottom in the chromium-free passivation solution tank 1, a delivery pipe 12 is connected at the liquid outlet end of the water pump 11, one end of the delivery pipe 12, which is far away from the water pump 11, is connected with a multi-way pipe head 13, the multi-way pipe head 13 is arranged at the top in the passivation treatment tank 3, a spray header 14 is connected on each branch pipe of the multi-way pipe head 13, the bottom of the passivation treatment tank 3 is arranged in an inclined manner, a bracket 31 is arranged at the inner side of the bottom, a passivation part fixing seat 32 is arranged at the top of the bracket 31, the passivation part fixing seat 32 is positioned under the multi-way pipe head 13, four support frames 33 are installed at the bottom of the passivation treatment box 3.
Further, as shown in fig. 4, the section of the passivation fixing seat 32 is a U-shaped structure, and the bottom of the passivation fixing seat 32 is provided with a plurality of through holes 34 which are uniformly and equidistantly arranged, and the sprayed liquid can flow out to the passivation treatment box 3 through the through holes 34.
Specifically, the bottoms of two sides in the water bath heating box 2 are symmetrically provided with fixing seats 21 for fixing the chromium-free passivation liquid box 1, the bottom side in the water bath heating box 2 is provided with an electric heating pipe 22, the heating range of the electric heating pipe 22 is 35-45 ℃, the chromium-free passivation liquid in the chromium-free passivation liquid box 1 can be subjected to water bath heating, and the passivation effect is improved.
It is worth to say that the inner wall of the water bath heating box 2 is provided with the heat preservation layer 23, the heat preservation layer 23 is made of pearl wool materials, the heat preservation effect is improved, and the top of the chromium-free passivation liquid box 1 is connected with the liquid adding pipe 15, so that liquid can be conveniently added.
It is worth noting that the chromium-free passivation solution tank 1 is filled with three quarters of the total volume of the chromium-free passivation solution, and the preparation method of the chromium-free passivation solution comprises the following steps:
s1: firstly, rare earth salt is purified to ensure that the purity reaches 98-99 percent;
s2: rare earth salt with the purity of 98-99%, a dispersing agent, a buffering agent and deionized water are placed in an electromagnetic stirrer to be uniformly dispersed at a high speed, so that a chromium-free environment-friendly passivation solution is obtained;
s3: finally adding a ph adjusting liquid to adjust the ph value of the chromium-free environment-friendly passivation solution;
specifically, the dispersant is alkyl glycoside dispersant, the buffering agent is a mixture of citric acid and citrate, and the ph adjusting liquid is sodium gluconate or oxalic acid.
The chromium-free passivation solution is suitable for passivation of copper alloy and metal manganese, corrosion resistance is improved, and appearance and use are prevented from being affected by corrosion discoloration; the dispersant is an environment-friendly alkyl glycoside dispersant developed by natural starch, can be completely degraded in natural environment, and the nano-scale rare earth elements are harmless to the environment.
Furthermore, the utility model also provides an environmental protection processing method of chromium-free passivation solution, including the environmental protection processing apparatus of above chromium-free passivation solution, specifically include following step:
s1: the feeding pipe 15 is connected with a feeding pipe of the chromium-free passivation solution, the chromium-free passivation solution is added into the chromium-free passivation solution tank 1 to three quarters of the total volume, the electric heating pipe 22 is connected with an external power supply, the electric heating pipe is heated to 35-45 ℃ and is kept at the constant temperature for 15-20 min;
s2: opening the door 36 of the passivation treatment box 3, putting the parts to be passivated into the passivation part fixing seat 32, closing the door 36:
s3: the water pump 11 is powered on, a switch is turned on to enable the water pump to work, the heated chromium-free passivation solution in the chromium-free passivation solution tank 1 is pumped into the multi-way pipe head 13 along the conveying pipe 12 and sprayed on the parts on the passivation part fixing seat 32 through the spray header 14, and spraying is carried out for 10-15 min;
s4: the chromium-free passivation solution flowing out in the spraying process flows back to the chromium-free passivation solution tank 1 along the return pipe 35 for reuse.
The utility model discloses an environmental protection processing apparatus of chromium-free passivation liquid is through placing metal parts on passivation part fixing base 32, and spray the metal parts surface through a plurality of shower heads 14, improve the speed that sprays, it can take out fast after the chromium-free passivation liquid of surface drains to treat after spraying, and the spray liquid after spraying flows back to in chromium-free passivation liquid case 1 through back flow 35, but the energy-concerving and environment-protective reduce cost of reuse, install water bath heating cabinet 2 can carry out the constant temperature water bath heating to the chromium-free passivation liquid in the chromium-free passivation liquid case 1 bottom the chromium-free passivation liquid case 1, improve the speed of metal parts passivation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The environment-friendly treatment device for the chromium-free passivation solution is characterized in that: comprises a chromium-free passivation liquid tank (1), a water bath heating tank (2) and a passivation treatment tank (3), wherein the chromium-free passivation liquid tank (1) is embedded in the water bath heating tank (2), a water pump (11) is arranged at the bottom in the chromium-free passivation liquid tank (1), the liquid outlet end of the water pump (11) is connected with a conveying pipe (12), one end of the conveying pipe (12) far away from the water pump (11) is connected with a multi-way pipe head (13), the multi-way pipe head (13) is arranged at the inner top of the passivation treatment tank (3), each branch pipe of the multi-way pipe head (13) is connected with a spray head (14), the bottom of the passivation treatment tank (3) is obliquely arranged, a support (31) is arranged at the inner bottom, a passivation part fixing seat (32) is arranged at the top of the support (31), and the passivation part fixing seat (32) is arranged right below the multi-, the one end that passivation treatment case (3) bottom is low is passed through back flow (35) and is linked together with chromium-free passivation liquid case (1) inside, there is chamber door (36) one side of passivation treatment case (3) through hinged joint, four support frames (33) are installed to the bottom of passivation treatment case (3).
2. The environment-friendly treatment device of the chromium-free passivation solution according to claim 1, characterized in that: the cross-section of passivation part fixing base (32) is U type structure, and a plurality of even equidistance through-holes (34) of arranging are seted up to the bottom of passivation part fixing base (32).
3. The environment-friendly treatment device of the chromium-free passivation solution according to claim 1, characterized in that: the bottom of both sides symmetry is provided with and is used for fixing in water bath heating case (2) fixing base (21) of chromium-free passivation liquid case (1), electric heating pipe (22) are installed to bottom side in water bath heating case (2).
4. The environmental-friendly treatment device of the chromium-free passivation solution according to claim 3, characterized in that: the heating range of the electric heating pipe (22) is 35-45 ℃.
5. The environment-friendly treatment device of the chromium-free passivation solution according to claim 1, characterized in that: the inner wall of the water bath heating box (2) is provided with a heat preservation layer (23), and the heat preservation layer (23) is made of pearl wool materials.
6. The environment-friendly treatment device of the chromium-free passivation solution according to claim 1, characterized in that: the top of the chromium-free passivation liquid tank (1) is connected with a liquid feeding pipe (15).
7. The environment-friendly treatment device of the chromium-free passivation solution according to claim 1, characterized in that: the chromium-free passivation liquid box (1) is filled with three quarters of the total volume of the chromium-free passivation liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020377737.6U CN212152440U (en) | 2020-03-23 | 2020-03-23 | Environment-friendly treatment device for chromium-free passivation solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020377737.6U CN212152440U (en) | 2020-03-23 | 2020-03-23 | Environment-friendly treatment device for chromium-free passivation solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212152440U true CN212152440U (en) | 2020-12-15 |
Family
ID=73716605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020377737.6U Expired - Fee Related CN212152440U (en) | 2020-03-23 | 2020-03-23 | Environment-friendly treatment device for chromium-free passivation solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212152440U (en) |
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2020
- 2020-03-23 CN CN202020377737.6U patent/CN212152440U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 Termination date: 20210323 |