Environment-friendly treatment device for improving recycling efficiency of pickling wastewater

Abstract

The utility model discloses an environment-friendly treatment device for improving the recycling efficiency of pickling wastewater, which comprises a dilution tank which is connected with heating equipment through a pipeline; the cleaning pool is positioned on the side part of the heating equipment; the filtering assembly comprises a filtering box, and the filtering box is connected with the heating equipment through a pipeline; the top plate is used for opening the interior of the filter box, and a positioning mechanism for locking the mounting position of the top plate is arranged at the top of the top plate; the resin filter screen is used for filtering impurities in the pickling wastewater. According to the device, the diluting tank, the heating equipment, the cleaning tank and the filtering assembly are matched with one another, the heating equipment is used for heating and evaporating diluted pickling wastewater at a low temperature so as to evaporate moisture in the pickling wastewater, and the filtering assembly is used for filtering impurities in the pickling wastewater, so that the impurities can be removed when phosphoric acid is recycled from the pickling wastewater; the use effect of the recovered phosphoric acid is improved.

Description

Technical Field

[0001] The utility model relates to the field of environmental protection treatment of pickling wastewater recovery, in particular to an environmental protection treatment device for improving the recovery efficiency of pickling wastewater. Background Art

[0002] With the promotion and implementation of the dual carbon policy, phosphoric acid, as a basic chemical raw material and also a basic chemical raw material with high electricity consumption, has its production capacity set with a limit, and its price is constantly rising. Phosphoric acid is one of the most important basic raw and auxiliary materials for anodizing. Most of it will be lost in the anodized aluminum washing process during the production process. The lost phosphoric acid will be retained in the washing tank until the concentration is too high to meet the production requirements. It is usually necessary to recycle the pickling wastewater, and then use the pickling wastewater environmental protection treatment device.

[0003] The environmentally friendly treatment device for pickling wastewater in the prior art generally includes a high-temperature heating device, which mainly utilizes high temperature to evaporate water in the pickling wastewater to achieve the effect of recovering part of the phosphoric acid.

[0004] However, after the pickling wastewater is evaporated at high temperature, the pickling wastewater contains a large amount of impurities, especially a high content of aluminum ions, which seriously affects the use effect of the recovered phosphoric acid. As a result, it is not convenient for the environmental protection treatment device to perform impurity removal operations when recovering phosphoric acid from the pickling wastewater to improve the use effect of the recovered phosphoric acid. Utility Model Content

[0005] The purpose of the utility model is to provide an environmentally friendly treatment device for improving the recycling efficiency of pickling wastewater, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an environmental protection treatment device for improving the recycling efficiency of pickling wastewater, comprising:

[0007] A dilution tank, wherein a side of the dilution tank is connected to a heating device via a pipeline;

[0008] A cleaning tank, the cleaning tank being located on the side of the heating device;

[0009] Also included: a filter assembly, the filter assembly comprising:

[0010] A filter box connected to the pipe heating device;

[0011] A top plate is slidably disposed on the top of the filter box, the top plate is used to open the interior of the filter box, and a positioning mechanism for locking the installation position of the top plate is provided on the top of the top plate;

[0012] A resin filter screen is located inside the filter box and is used to filter impurities from the pickling wastewater.

[0013] Preferably, a square groove matching the top plate is provided on the top of the filter box, a support plate is fixedly connected to the bottom end of the top plate, a support frame is fixedly connected to the bottom end of the support plate, and the resin filter is embedded in the inner cavity of the support frame.

[0014] Preferably, a guide tube is embedded in the inner cavity of the filter box, and an outlet pipe is fixedly inserted into the bottom of the guide tube, and the filter box is connected to the cleaning tank through the outlet pipe.

[0015] Preferably, the positioning mechanism includes:

[0016] A positioning seat, the bottom end of which is fixedly connected to the filter box;

[0017] The fixing frame has a bottom end fixedly connected to the top plate, and a positioning plate fixedly connected inside the fixing frame for connecting and positioning the positioning seat and the fixing frame.

[0018] Preferably, the positioning mechanism further comprises:

[0019] The locking plate, the side of the positioning seat is provided with a sliding groove adapted to the locking plate, the side of the positioning plate is provided with a card slot adapted to the locking plate, and the side of the locking plate is fixedly connected to the operating frame;

[0020] The carrying frame has a moving rod slidably connected to the inner cavity of the carrying frame, the outer wall of the moving rod is fixedly connected to the moving plate, the inner cavity of the carrying frame is embedded with a square frame, and the end of the moving rod is fixedly connected to the operating frame.

[0021] Preferably, the outer sleeve of the moving rod is provided with a spring for driving the moving plate to slide horizontally, one end of the spring is fixedly connected to the moving plate, and the other end of the spring is in contact with the frame.

[0022] The technical effects and advantages of this utility model are:

[0023] The utility model utilizes the mutual cooperation of the dilution tank, the heating equipment, the cleaning tank and the filtering component. The dilution tank dilutes the original pickling waste liquid with clean water, the heating equipment performs low-temperature heating and evaporation on the diluted pickling waste water to evaporate the water in the pickling waste water, the filtering component filters the impurities in the pickling waste water, and the cleaning tank dilutes and cleans the pickling waste water again, thereby facilitating the removal of impurities when recovering phosphoric acid from the pickling waste water, thereby improving the use effect of the recovered phosphoric acid. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the front structure of the utility model.

[0025] Figure 2 This is a front sectional structural diagram of the filter box of the present invention.

[0026] Figure 3 This is a front sectional structural diagram of the support frame of the present invention.

[0027] Figure 4 This is a structural diagram of the resin filter screen of the present invention.

[0028] In the figure: 1. Dilution tank; 2. Heating equipment; 3. Cleaning tank; 4. Filter assembly; 41. Filter box; 42. Top plate; 43. Support plate; 44. Support frame; 45. Resin filter; 46. Guide tube; 47. Outlet pipe; 5. Positioning mechanism; 51. Positioning seat; 52. Fixing frame; 53. Positioning plate; 54. Carrying frame; 55. Operating frame; 56. Moving rod; 57. Frame; 58. Moving plate; 59. Spring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] The utility model provides Figure 1-4 An environmentally friendly treatment device for improving the recycling efficiency of pickling wastewater shown in the figure includes a dilution tank 1, which is conducive to allowing the original pickling wastewater to enter the interior thereof for preliminary filtration of the pickling wastewater. The side of the dilution tank 1 is connected to a heating device 2 through a pipeline. The heating device 2 is an energy-saving low-temperature heater, which is conducive to low-temperature heating of the diluted pickling wastewater and evaporation of water in the pickling wastewater; a cleaning tank 3, which is conducive to filtering and cleaning the pickling wastewater after impurities removal with clean water again. The cleaning tank 3 is located on the side of the heating device 2; and also includes a filter component 4.

[0031] Furthermore, the filter assembly 4 includes a filter box 41, a top plate 42 and a resin filter screen 45. The filter box 41 is conducive to allowing the pickling wastewater after low-temperature heating to enter the filter, and is conducive to supporting the resin filter screen 45. The resin filter screen 45 is conducive to filtering impurities in the pickling wastewater to improve the use effect of recovered phosphoric acid. The filter box 41 is connected through the pipeline heating device 2. The top plate 42 is slidably arranged on the top of the filter box 41. The top plate 42 is used to open the inside of the filter box 41. A positioning mechanism 5 for locking the installation position of the top plate 42 is provided on the top of the top plate 42. The resin filter screen 45 is located inside the filter box 41. The resin filter screen 45 is used to The pickling wastewater is filtered for impurities, and a square groove is provided on the top of the filter box 41 to match the top plate 42. The bottom end of the top plate 42 is fixedly connected to a support plate 43, which is conducive to supporting the support frame 44. The bottom end of the support plate 43 is fixedly connected to the support frame 44, which is conducive to supporting and using the resin filter 45. The resin filter 45 is embedded in the inner cavity of the support frame 44, and the inner cavity of the filter box 41 is embedded with a guide tube 46, which is conducive to guiding the filtered pickling wastewater. The bottom of the guide tube 46 is fixedly connected with an outlet pipe 47, which is conducive to allowing the filtered pickling wastewater to enter the interior of the cleaning tank 3. The filter box 41 is connected to the cleaning tank 3 through the outlet pipe 47.

[0032] The fixing frame 52 is L-shaped, which is convenient for supporting the positioning plate 53. The locking plate is conducive to limiting the relative position of the positioning plate 53 and the positioning seat 51, thereby facilitating the installation and removal of the positioning plate 53, so as to remove and maintain the resin filter 45. The bottom end of the positioning seat 51 is fixedly connected to the filter box 41, and the bottom end of the fixing frame 52 is fixedly connected to the top plate 42. The interior of the fixing frame 52 is fixedly connected with the positioning plate 53 for connecting and positioning the positioning seat 51 and the fixing frame 52, which is conducive to the installation and positioning of the fixing frame 52. The side of the positioning seat 51 is provided with a slide groove adapted to the locking plate, the side of the positioning plate 53 is provided with a slot adapted to the locking plate, and the side of the locking plate is fixedly connected with the operating frame 55 The operating frame 55 is L-shaped, which is conducive to pulling the locking plate to slide horizontally. The inner cavity of the carrying frame 54 is slidably connected with a moving rod 56, which is conducive to driving the operating frame 55 to slide horizontally. The outer wall of the moving rod 56 is fixedly connected with a moving plate 58, which is conducive to driving the moving rod 56 to slide horizontally. The inner cavity of the carrying frame 54 is embedded with a square frame 57, which is conducive to guiding the sliding of the moving rod 56 horizontally, and at the same time is conducive to guiding the deformation of the spring 59. The end of the moving rod 56 is fixedly connected to the operating frame 55, and the outer sleeve of the moving rod 56 is provided with a spring 59 for driving the moving plate 58 to slide horizontally. The elastic force of the spring 59 is conducive to pushing the moving plate 58 to move, so that the operating frame 55 and the locking plate return to their original position after movement, which is convenient for repeated operation of the locking plate. One end of the spring 59 is fixedly connected to the moving plate 58, and the other end of the spring 59 fits with the square frame 57.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An environmental protection treatment device for improving the recycling efficiency of pickling wastewater, comprising: A dilution tank (1), wherein a side of the dilution tank (1) is connected to a heating device (2) via a pipeline; a cleaning tank (3), the cleaning tank (3) being located on the side of the heating device (2); It is characterized by further comprising: a filter assembly (4), wherein the filter assembly (4) comprises: A filter box (41), the filter box (41) is connected to the pipeline heating device (2); A top plate (42) is slidably arranged on the top of the filter box (41), and the top plate (42) is used to open the inside of the filter box (41). A positioning mechanism (5) is provided on the top of the top plate (42) for locking the installation position of the top plate (42); A resin filter (45) is located inside the filter box (41) and is used to filter impurities from the pickling wastewater.

2. The environmental protection treatment device for improving the recycling efficiency of pickling wastewater according to claim 1 is characterized in that: The top of the filter box (41) is provided with a square groove adapted to the top plate (42); the bottom end of the top plate (42) is fixedly connected to a support plate (43); the bottom end of the support plate (43) is fixedly connected to a support frame (44); and the resin filter screen (45) is embedded in the inner cavity of the support frame (44).

3. The environmental protection treatment device for improving the recycling efficiency of pickling wastewater according to claim 1 is characterized in that: A guide tube (46) is embedded in the inner cavity of the filter box (41), and an outlet pipe (47) is fixedly inserted and connected to the bottom of the guide tube (46). The filter box (41) is connected to the cleaning pool (3) through the outlet pipe (47).

4. The environmental protection treatment device for improving the recycling efficiency of pickling wastewater according to claim 1 is characterized in that: The positioning mechanism (5) comprises: A positioning seat (51), the bottom end of which is fixedly connected to the filter box (41); A fixing frame (52) is provided, wherein the bottom end of the fixing frame (52) is fixedly connected to the top plate (42), and a positioning plate (53) is fixedly connected inside the fixing frame (52) for connecting and positioning the positioning seat (51) and the fixing frame (52).

5. The environmental protection treatment device for improving the recycling efficiency of pickling wastewater according to claim 4 is characterized in that: The positioning mechanism (5) further comprises: A locking plate, a sliding groove adapted to the locking plate is provided on the side of the positioning seat (51), a clamping groove adapted to the locking plate is provided on the side of the positioning plate (53), and an operating frame (55) is fixedly connected to the side of the locking plate; A carrying frame (54) is provided, wherein a moving rod (56) is slidably connected to the inner cavity of the carrying frame (54), a moving plate (58) is fixedly connected to the outer wall of the moving rod (56), a square frame (57) is embedded in the inner cavity of the carrying frame (54), and the end of the moving rod (56) is fixedly connected to the operating frame (55).

6. The environmental protection treatment device for improving the recycling efficiency of pickling wastewater according to claim 5 is characterized in that: The outer sleeve of the moving rod (56) is provided with a spring (59) for driving the moving plate (58) to slide horizontally. One end of the spring (59) is fixedly connected to the moving plate (58), and the other end of the spring (59) is in contact with the square frame (57).

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