Titanic acid regeneration system apparatus

Abstract

The utility model discloses a titanium gold acid regeneration system equipment belongs to acid regeneration equipment technical field, including setting gradually: the original acid tank, the original acid tank is used to store acid wastewater, the perfluorinated cooler, perfluorinated cooler is connected with original acid tank intercommunication, is used to cool acid wastewater, the reaction tank, the reaction tank is connected with perfluorinated cooler intercommunication, is used to acid wastewater and reagent reaction produces the regenerated acid, centrifuge, centrifuge is connected with perfluorinated cooler intercommunication, is used to separate the regenerated acid, the new acid tank, the new acid tank is connected with centrifuge intercommunication, is used to store the regenerated acid, the utility model discloses the acid wastewater in original acid tank through the feed pump enters perfluorinated cooler and reaches the required temperature after cooling, reaches the reaction tank and reagent reaction produces the regenerated acid again, transports the solution in the reaction tank to centrifuge, and the centrifuge separates the qualified regenerated acid and is collected and stored through the new acid tank, realizes the acid liquid regeneration of systematization, is suitable for industrial production.

Description

Technical Field

[0001] This utility model belongs to the technical field of acid regeneration equipment, specifically to a titanium-gold acid regeneration system. Background Technology

[0002] Titanium processing surface treatment includes a pickling process and a cleaning process. The pickling process uses hydrofluoric acid and nitric acid to pickle the titanium material, removing oxides from its surface; the resulting wastewater is waste acid. Following the pickling process is the cleaning process, where the titanium surface undergoes multi-stage cleaning after acid treatment; the resulting effluent is titanium cleaning wastewater. Acidic wastewater from titanium processing includes both waste acid and titanium cleaning wastewater.

[0003] To recover hydrofluoric acid and nitric acid from waste acid and titanium processing rinsing wastewater, and to reuse the recovered mixed acid solution for titanium processing, a titanium gold regeneration acid regeneration process can be adopted: after exchanging heat and cold to reach the required temperature, hydrofluoric acid and nitric acid react with reagents to produce regenerated acid, and then the qualified acid is separated by water separation and stored for use in the production line; to realize the industrialization of this regeneration process, a titanium gold acid regeneration system is proposed. Utility Model Content

[0004] In view of this, the purpose of this utility model is to overcome the shortcomings of the prior art and provide a titanium aluminate regeneration system device. This application provides the following technical solution:

[0005] The system comprises, in sequence: a raw acid tank for storing acidic wastewater; a perfluorinated cooler connected to the raw acid tank for cooling the acidic wastewater; a reaction tank connected to the perfluorinated cooler for reacting the acidic wastewater with reagents to produce regenerated acid; a centrifuge connected to the perfluorinated cooler for separating the regenerated acid; and a new acid tank connected to the centrifuge for storing the regenerated acid. The perfluorinated cooler is further connected to a cooling circulation system, which provides cooling water to the perfluorinated cooler.

[0006] The cooling circulation system includes: an ice water tank connected to the perfluorinated cooler for storing cooling water; a water-cooled unit connected to the ice water tank for cooling the cooling water; and a cooling tower connected to the water-cooled unit for cooling the refrigerant in the water-cooled unit.

[0007] A filter and a feed pump are provided between the raw acid tank and the perfluorinated cooler. The feed pump is used to transport the acidic wastewater in the raw acid tank to the perfluorinated cooler; the filter is used to filter the acidic wastewater.

[0008] The reaction vessel is connected to a reagent tank, which stores reagents for reacting with acidic wastewater to produce regenerated acid. A metering pump is installed between the reagent tank and the reaction vessel, and a feed flow meter is installed between the perfluorinated cooler and the reaction vessel.

[0009] A new acid storage tank is connected to the centrifuge, and a first centrifugal pump and a discharge flow meter are installed between the new acid storage tank and the new acid tank.

[0010] A second centrifugal pump is connected between the reaction vessel and the centrifuge.

[0011] The chilled water tank includes a hot water inlet, a cold water outlet, a hot water outlet, and a cold water inlet; the hot water inlet and the cold water outlet are connected to the perfluorinated cooler; the hot water outlet and the cold water inlet are connected to the water-cooled unit.

[0012] The water-cooled unit includes a condenser and an evaporator. The condenser is connected to the hot water outlet and the cold water inlet, and the evaporator is connected to the cooling tower.

[0013] A first circulation pump is installed between the chilled water tank and the perfluorinated cooler; a second circulation pump is installed between the chilled water tank and the water-cooled unit; and a third circulation pump is installed between the water-cooled unit and the cooling tower.

[0014] The chilled water tank is equipped with an insulation board that divides the interior of the chilled water tank into a cold water chamber and a hot water chamber. The cold water outlet and the cold water inlet are connected to the cold water chamber; the hot water inlet and the hot water outlet are connected to the hot water chamber. The insulation board is respectively equipped with a first one-way gate that allows cooling water to flow from the cold water chamber to the hot water chamber and a second one-way gate that allows cooling water to flow from the hot water chamber to the cold water chamber.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0016] The acidic wastewater in the original acid tank is fed into a perfluorinated cooler by a feed pump to reach the required temperature, and then reaches the reaction tank to react with reagents to produce regenerated acid. The solution in the reaction tank is then transported to a centrifuge by a second centrifugal pump. The centrifuge separates the qualified regenerated acid and collects and stores it in a new acid tank, realizing a systematic acid regeneration process that is suitable for industrial production.

[0017] Perfluorinated coolers provide low-temperature cooling water through a cooling circulation system consisting of an ice water tank, a water-cooled unit, and a cooling tower. This system can efficiently and continuously cool the cooling water. The ice water tank can store cooling water and act as a buffer. Even if the efficiency of the water-cooled unit decreases, the ice water tank can still output the low-temperature cooling water it has stored in advance for a certain period of time.

[0018] The setting of feed flow meter and metering pump allows for precise control of reagent usage by measuring the amount of acidic wastewater added to the reaction tank through the feed flow meter and then inputting the corresponding amount of reagent through the metering pump.

[0019] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of a titanium dioxide regeneration system.

[0022] Figure 2 This is a diagram of an acid treatment system for a titanium dioxide regeneration system.

[0023] Figure 3 This is a diagram of a circulating cooling system for a titanium dioxide regeneration system.

[0024] Figure 4 This is a cross-sectional view of the ice water tank in a titanium dioxide regeneration system.

[0025] Figure 5 This is a longitudinal sectional view of the ice water tank of a titanium dioxide regeneration system.

[0026] Reference numerals: 1. Raw acid tank; 11. Filter; 12. Feed pump; 2. Perfluorinated cooler; 21. First circulation pump; 3. Reaction tank; 31. Feed flow meter; 4. Centrifuge; 41. Second centrifugal pump; 5. New acid tank; 51. New acid temporary storage tank; 52. First centrifugal pump; 53. Discharge flow meter; 6. Ice water tank; 61. Hot water inlet; 62. Cold water outlet; 63. Hot water outlet; 64. Cold water inlet; 65. Insulation board; 66. Cold water chamber; 67. Hot water chamber; 68. First check valve; 69. Second check valve; 7. Water-cooled unit; 71. Condenser; 72. Evaporator; 73. Second circulation pump; 8. Cooling tower; 81. Third circulation pump; 9. Chemical tank; 91. Metering pump. Detailed Implementation

[0027] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0028] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0029] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0030] Please refer to Figure 1-5 As shown, this embodiment provides a titanium dioxide regeneration system device;

[0031] The system includes, in sequence: a raw acid tank 1 for storing acidic wastewater; a perfluorinated cooler 2 connected to the raw acid tank 1 for cooling the acidic wastewater; a reaction tank 3 connected to the perfluorinated cooler 2 for reacting the acidic wastewater with reagents to produce regenerated acid; a centrifuge 4 connected to the perfluorinated cooler 2 for separating the regenerated acid; and a new acid tank 5 connected to the centrifuge 4 for storing the regenerated acid. The perfluorinated cooler 2 is also connected to a cooling circulation system, which provides cooling water to the perfluorinated cooler 2.

[0032] The perfluorinated cooler 2 includes separate acid pipes and cooling water pipes. The inlet of the acid pipe is connected to the original acid tank 1, and the outlet of the acid pipe is connected to the reaction tank 3. The cooling water pipe is connected to the cooling circulation system.

[0033] The cooling circulation system includes: an ice water tank 6, which is connected to the perfluorinated cooler 2 and is used to store cooling water; a water-cooled unit 7, which is connected to the ice water tank 6 and is used to cool the cooling water; and a cooling tower 8, which is connected to the water-cooled unit 7 and is used to cool the refrigerant in the water-cooled unit 7.

[0034] A filter 11 and a feed pump 12 are installed between the raw acid tank 1 and the perfluorinated cooler 2. The feed pump 12 is used to transport the acidic wastewater in the raw acid tank 1 to the perfluorinated cooler 2; the filter 11 is used to filter the acidic wastewater.

[0035] Filter 11 is a bag filter.

[0036] The reaction vessel 3 is connected to a reagent tank 9, which stores reagents for reacting with acidic wastewater to produce regenerated acid. A metering pump 91 is installed between the reagent tank 9 and the reaction vessel 3, and a feed flow meter 31 is installed between the perfluorinated cooler 2 and the reaction vessel 3.

[0037] Metering pump 91 is a fluoropolymer-lined metering pump.

[0038] A new acid storage tank 51 is connected between the new acid tank 5 and the centrifuge 4. A first centrifugal pump 52 and a discharge flow meter 53 are installed between the new acid storage tank 51 and the new acid tank 5.

[0039] Both the feed flow meter 31 and the discharge flow meter 53 are fluoropolymer-lined platinum flow meters.

[0040] A second centrifugal pump 41 is connected between the reaction vessel 3 and the centrifuge 4.

[0041] Both the first centrifugal pump 52 and the second centrifugal pump 41 are fluoropolymer-lined centrifugal pumps.

[0042] The chilled water tank 6 includes a hot water inlet 61, a cold water outlet 62, a hot water outlet 63, and a cold water inlet 64; the hot water inlet 61 and the cold water outlet 62 are connected to the perfluorinated cooler 2; the hot water outlet 63 and the cold water inlet 64 are connected to the water-cooled unit 7.

[0043] The water-cooled unit 7 includes a condenser 71 and an evaporator 72. The condenser 71 is connected to the hot water outlet 63 and the cold water inlet 64, and the evaporator 72 is connected to the cooling tower 8.

[0044] It is worth noting that the water-cooled unit 7 adopts the existing water-cooled refrigeration unit, which includes components such as compressor and solenoid valve in addition to condenser 71 and evaporator 72; its working principle can be referred to the actual product type.

[0045] A first circulation pump 21 is installed between the chilled water tank 6 and the perfluorinated cooler 2; a second circulation pump 73 is installed between the chilled water tank 6 and the water-cooled unit 7; and a third circulation pump 81 is installed between the water-cooled unit 7 and the cooling tower 8.

[0046] Sewage pipes are installed on the pipes connecting the water-cooled unit 7 to the chilled water tank 6 and the water-cooled unit 7 to the cooling tower 8. Valves are installed on the sewage pipes for opening and closing to discharge sewage.

[0047] The cooling tower 8 is also equipped with an inlet for replenishing refrigerant.

[0048] The chilled water tank 6 is equipped with an insulation board 65, which divides the interior of the chilled water tank 6 into a cold water chamber 66 and a hot water chamber 67. The cold water outlet 62 and the cold water inlet 64 are connected to the cold water chamber 66; the hot water inlet 61 and the hot water outlet 63 are connected to the hot water chamber 67. The insulation board 65 is equipped with a first one-way gate 68 that allows cooling water to flow from the cold water chamber 66 to the hot water chamber 67 and a second one-way gate 69 that allows cooling water to flow from the hot water chamber 67 to the cold water chamber 66.

[0049] The ice water tank 6 is also equipped with a water inlet for replenishing cooling water, and a drain outlet at the bottom of the ice water tank 6 for discharging waste.

[0050] Specifically, one side of the first one-way valve 68 and the second one-way valve 69 is rotatably connected to the insulation plate 65. The first one-way valve 68 can only be pushed open to the hot water chamber 67, and the second one-way valve 69 can only be pushed open to the cold water chamber 66. Otherwise, interference will occur.

[0051] In practice, the feed pump 12 draws acidic wastewater from the original acid tank 1 and sends it to the perfluorinated cooler 2. The acidic wastewater is filtered out of particulate impurities by the filter 11. After being cooled by the perfluorinated cooler 2, the acidic wastewater enters the reaction tank 3 and is measured by the feed flow meter 31. Based on the liquid volume measured by the feed flow meter 31, the corresponding amount of reagent in the reagent tank 9 is drawn by the metering pump 91 and injected into the reaction tank 3. The reaction in the reaction tank 3 produces regenerated acid. The second centrifugal pump 41 inputs the reacted liquid into the centrifuge 4. The centrifuge 4 separates the regenerated acid and extracts it by the first centrifugal pump 52. The regenerated acid first enters the new acid temporary storage tank 51 and then enters the new acid tank 5.

[0052] When the perfluorinated cooler 2 is working, the first circulation pump 21 continuously draws cooling water from the chilled water tank 6 and circulates it to the perfluorinated cooler 2. The perfluorinated cooler 2 cools the acidic wastewater with the cooling water. The second circulation pump 73 continuously draws cooling water from the chilled water tank 6 and circulates it to the water-cooled unit 7. The third circulation pump 81 circulates refrigerant from the cooling tower 8 to the water-cooled unit 7. The water-cooled unit 7 cools the cooling water with the refrigerant, and the cooling tower 8 cools the refrigerant. More specifically, in the chilled water tank... Inside the 6th chamber, the low-temperature cooling water in the cold water chamber 66 is transported to the perfluorinated cooler 2 through the cold water outlet 62. After absorbing heat, it returns to the hot water chamber 67 through the hot water inlet 61. The cooling water in the hot water chamber 67 is transported to the water-cooled unit 7 through the hot water outlet 63. After cooling down, it returns to the cold water chamber 66 through the cold water inlet 64. In this way, the hot water chamber 67 and the cold water chamber 66 are separated, and the cooling water in the ice water tank 6 does not mix easily, so that the temperature of the cold water in the cold water chamber 66 is lower, ensuring the cooling efficiency of the perfluorinated cooler 2.

[0053] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A titanium aluminate regeneration system, characterized in that: Including the following settings in sequence: Acid tank (1) is used to store acidic wastewater; A perfluorinated cooler (2) is connected to the original acid tank (1) and is used to cool acidic wastewater; The reaction vessel (3) is connected to the perfluorinated cooler (2) and is used to react acidic wastewater with reagents to produce regenerated acid. Centrifuge (4), which is connected to the perfluorinated cooler (2) and is used to separate the regenerated acid; A new acid tank (5) is connected to the centrifuge (4) and is used to store the regenerated acid; The perfluorinated cooler (2) is also connected to a cooling circulation system; the cooling circulation system is used to provide cooling water to the perfluorinated cooler (2).

2. The titanium aluminate regeneration system equipment as described in claim 1, characterized in that: The cooling circulation system includes: Ice water tank (6), which is connected to the perfluorinated cooler (2) and is used to store cooling water; A water-cooled unit (7) is connected to the ice water tank (6) and is used to cool cooling water. A cooling tower (8) is connected to the water-cooled unit (7) and is used to cool the refrigerant in the water-cooled unit (7).

3. The titanium aluminate regeneration system equipment as described in claim 1, characterized in that: A filter (11) and a feed pump (12) are provided between the raw acid tank (1) and the perfluorinated cooler (2). The feed pump (12) is used to transport the acidic wastewater in the raw acid tank (1) to the perfluorinated cooler (2); the filter (11) is used to filter the acidic wastewater.

4. The titanium aluminate regeneration system equipment as described in claim 1, characterized in that: The reaction tank (3) is connected to a reagent tank (9), which stores reagents for reacting with acidic wastewater to produce regenerated acid. A metering pump (91) is installed between the reagent tank (9) and the reaction tank (3), and a feed flow meter (31) is installed between the perfluorinated cooler (2) and the reaction tank (3).

5. The titanium aluminate regeneration system equipment as described in claim 1, characterized in that: A new acid storage tank (51) is connected between the new acid tank (5) and the centrifuge (4). A first centrifugal pump (52) and a discharge flow meter (53) are provided between the new acid storage tank (51) and the new acid tank (5).

6. The titanium aluminate regeneration system equipment as described in claim 1, characterized in that: A second centrifugal pump (41) is connected between the reaction vessel (3) and the centrifuge (4).

7. The titanium aluminate regeneration system equipment as described in claim 2, characterized in that: The ice water tank (6) includes a hot water inlet (61), a cold water outlet (62), a hot water outlet (63), and a cold water inlet (64); the hot water inlet (61) and the cold water outlet (62) are connected to the perfluorinated cooler (2); the hot water outlet (63) and the cold water inlet (64) are connected to the water-cooled unit (7).

8. The titanium aluminate regeneration system equipment as described in claim 7, characterized in that: The water-cooled unit (7) includes a condenser (71) and an evaporator (72). The condenser (71) is connected to the hot water outlet (63) and the cold water inlet (64), and the evaporator (72) is connected to the cooling tower (8).

9. The titanium aluminate regeneration system equipment as described in claim 8, characterized in that: A first circulation pump (21) is provided between the ice water tank (6) and the perfluorinated cooler (2); a second circulation pump (73) is provided between the ice water tank (6) and the water-cooled unit (7); and a third circulation pump (81) is provided between the water-cooled unit (7) and the cooling tower (8).

10. The titanium aluminate regeneration system equipment as described in claim 7, characterized in that; The ice water tank (6) is equipped with an insulation board (65), which divides the interior of the ice water tank (6) into a cold water chamber (66) and a hot water chamber (67). The cold water outlet (62) and the cold water inlet (64) are connected to the cold water chamber (66); the hot water inlet (61) and the hot water outlet (63) are connected to the hot water chamber (67); the insulation board (65) is respectively equipped with a first one-way gate (68) that allows cooling water to flow from the cold water chamber (66) to the hot water chamber (67) and a second one-way gate (69) that allows cooling water to flow from the hot water chamber (67) to the cold water chamber (66).

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