Zinc ingot production steam condensate water cooling and recycling circulation system

Abstract

The utility model discloses a zinc ingot production steam condensate water cooling recovery circulating system which comprises a reaction device and a separation device, and the reaction device is arranged on the left side of the separation device. The reaction device further comprises a dosing and mixing device, a catalytic reaction device and a communicating pipeline; the separation device further comprises a water pump, a swirler and a sewage discharge water tank. The filtering structure has the function of filtering insoluble impurities in condensed water before the condensed water enters the device, so that the service life of the filtering structure is prolonged; the mixing efficiency is improved, and the generation rate of ferric oxide in the subsequent treatment process is increased; iron oxide is prevented from adhering to the surface of the manganese dioxide catalyst and the separation effect of the device is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to zinc ingot production technical field especially relates to a zinc ingot production steam condensate cooling recovery circulation system. BACKGROUND

[0002] In the zinc ingot production process, a large amount of steam condensate containing ferrous ions is produced, which can be supplied to the boiler after treatment for reuse.

[0003] The prior art such as Chinese patent (CN214666143U) discloses a zinc ingot production steam condensate recovery device, which comprises an oxidation filter tank, a circulating pump is fixedly connected to the bottom and the right side of the oxidation filter tank, a partition is fixedly installed at the inner bottom of the oxidation filter tank, a coarse particle filter screen is fixedly installed at the top of the partition, a motor gear set is fixedly installed at the top of the oxidation filter tank, a gear rod is toothed at the left side of the motor gear set, and a sliding rail plate is movably installed on the front of the gear rod.

[0004] This way has the following defects: 1. Before the steam condensate enters the recovery device, some insoluble impurities will be carried in the condensate. These impurities have not been filtered in advance, and will cause a great workload on the filter structure when they enter the treatment system, reducing the service life of the filter structure; 2. The hydrogen peroxide solution and the condensate in the device are mixed directly, which reduces the reaction rate of ferrous ions; 3. The device does not have a separation structure for manganese dioxide and ferric ions in the stage of producing ferric ions by manganese dioxide catalytic reaction, and the generated iron oxide will adhere to the manganese dioxide catalyst, which is time-consuming and laborious in the subsequent cleaning process.

[0005] Therefore, the present application provides a zinc ingot production steam condensate cooling recovery circulation system. Utility model content

[0006] To solve the above technical problems, the utility model discloses a zinc ingot production steam condensate cooling recovery circulation system, which filters out insoluble impurities in the condensate before it enters the device, increases the service life of the filter structure, increases the mixing efficiency, and increases the generation rate of iron oxide in the subsequent treatment process; prevents iron oxide from adhering to the surface of the manganese dioxide catalyst, and ensures the separation effect of the device.

[0007] In order to achieve the above technical effects, the utility model provides a kind of zinc ingot production steam condensate cooling recovery circulation system, including reaction device, separation device, reaction device is arranged at the left side of separation device;The reaction device further include dosing mixing device, catalytic reaction device, intercommunication pipeline, dosing mixing device is arranged above catalytic reaction device, intercommunication pipeline is arranged between the left side lower outlet of dosing mixing device and the left side upper inlet of catalytic reaction device;The separation device further include water pump, cyclone, sewage tank, water pump is arranged on the pipeline below dosing mixing device, cyclone is arranged at the right side of water pump, and the left side inlet of cyclone is connected with the right side outlet of water pump by pipeline, and sewage tank is arranged at the right side of cyclone, and the left side inlet of sewage tank is connected with the lower outlet of cyclone by pipeline, and water pump is connected with control cabinet electrically.

[0008] As preferred, the dosing mixing device further includes a dosing tank, a water tank and a mixing jar, the dosing tank is arranged above the mixing jar, and the water tank is arranged at the right side of the mixing jar.

[0009] As preferred, the water tank further includes a tank body, a filter hole, a bottom plate, a cleaning door and a water inlet pipeline, the tank body is arranged at the right side top of the mixing jar, the filter hole is arranged at the left side of the tank body, the bottom plate is arranged at the bottom of the tank body and is obliquely arranged to the left, the cleaning door is hingedly arranged at the right side of the tank body and is sealingly connected with the tank body, and the water inlet pipeline is arranged above the tank body.

[0010] As preferred, the mixing jar further includes a shell a and a stirring mechanism, the stirring mechanism is arranged below the shell a, and the stirring mechanism is electrically connected with the control cabinet.

[0011] As preferred, the stirring mechanism further includes a driving motor, a transmission wheel a, a transmission wheel b, an impeller, a rotating shaft a and a linkage mechanism, the driving motor is arranged below the shell a, the transmission wheel a is arranged above the output end of the driving motor, the transmission wheel b is arranged at the right side of the transmission wheel a through a transmission belt, the rotating shaft a is arranged in the transmission wheel b, the upper end of the rotating shaft a penetrates through the bottom of the shell a, the impeller is arranged at the bottom of the shell a and the bottom of the impeller is connected with the top of the rotating shaft a, and the linkage mechanism is arranged below the transmission wheel b.

[0012] As preferred, the linkage mechanism further includes a mounting plate, a telescopic electric cylinder, a rotating shaft b, a linkage clamping wheel and a rack, the mounting plate is arranged on the rotating shaft a below the transmission wheel b, the telescopic electric cylinder is respectively arranged on the mounting plate at both sides of the rotating shaft a, the rotating shaft b is rotatably connected below the rotating shaft a, the rack is arranged at the side of the rotating shaft b, the linkage clamping wheel is arranged below the output end of the telescopic electric cylinder, the linkage clamping wheel is slidingly connected with the rotating shaft a, and a tooth groove meshing with the rack is arranged in the inner side of the linkage clamping wheel.

[0013] Preferably, the catalytic reaction device further includes a housing b and a stirring rod. The housing a is located below the housing b, the rotating shaft b rotates through the top of the housing b, and the stirring rod is threadedly connected to the lower side of the rotating shaft b.

[0014] Preferably, the stirring rod further includes a shell c and manganese dioxide filler, wherein the shell c with perforated surface is filled with block-shaped manganese dioxide filler.

[0015] Preferably, a flange-connected filter is also provided on the outlet pipe above the hydrocyclone.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] The device is equipped with a water tank that filters out insoluble impurities from the condensate before it enters the device, reducing the workload on the filter structure during subsequent processing and increasing its service life. A stirring mechanism is also included to mix hydrogen peroxide and condensate in a mixing tank, increasing mixing efficiency and the rate of iron oxide formation during subsequent processing. A linkage mechanism is also incorporated to activate the stirring rod, increasing the contact area between the catalyst and reactants. Simultaneously, the stirring process washes away iron oxide precipitates, preventing them from adhering to the surface of the manganese dioxide catalyst. The iron oxide precipitates are then separated by centrifugation using a hydrocyclone, ensuring the device's separation efficiency. Attached Figure Description

[0018] Figure 1 This is an isometric view of the present invention;

[0019] Figure 2 This is a front view of the present invention;

[0020] Figure 3 This is the left view of this utility model;

[0021] Figure 4 yes Figure 3 A sectional view of section a.

[0022] Figure 5 yes Figure 4 A partial schematic diagram of b in the middle;

[0023] Figure 6 yes Figure 4 A partial schematic diagram of c in the middle;

[0024] Figure 7 yes Figure 4 A partial schematic diagram of d in the middle;

[0025] The attached diagram lists the components represented by each number as follows:

[0026] 1, dosing mixing device; 2, catalytic reaction device; 3, connecting pipeline; 4, water pump; 5, cyclone; 6, sewage tank; 7, dosing tank; 8, water tank; 9, mixing tank; 10, tank; 11, filter hole; 12, bottom plate; 13, cleaning door; 14, water inlet pipeline; 15, shell a; 16, stirring mechanism; 17, driving motor; 18, transmission wheel a; 19, transmission wheel b; 20, impeller; 21, rotating shaft a; 22, linkage mechanism; 23, mounting plate; 24, telescopic electric cylinder; 25, rotating shaft b; 26, linkage card wheel; 27, rack; 28, shell b; 29, stirring rod; 30, shell c; 31, manganese dioxide filler; 32, filter. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0028] As shown in the following: Figures 1 to 7

[0029] In the prior art in this embodiment, the following problems exist: the inventors found that the prior art has the following defects: one, before the steam condensate water enters the recovery device, some insoluble impurities will be carried in the condensate water, and these impurities have not been filtered in advance, which will cause a great working burden on the filtering structure and reduce the service life of the filtering structure after entering the treatment system; two, the hydrogen peroxide solution and the condensate water directly enter the device for mixing in the device, the mixing efficiency is low, and the reaction rate of the divalent iron is reduced; three, the device does not have a separation structure for manganese dioxide and trivalent iron in the stage of producing trivalent iron by catalytic reaction of manganese dioxide, and the generated iron oxide will adhere to the manganese dioxide catalyst, which is time-consuming and laborious in the subsequent cleaning process;

[0030] Therefore, the inventors provide a zinc ingot production steam condensate water cooling recovery and circulation system, which comprises a reaction device and a separation device, and the reaction device is arranged on the left side of the separation device; the reaction device further comprises a dosing mixing device 1, a catalytic reaction device 2 and a connecting pipeline 3, the dosing mixing device 1 is arranged above the catalytic reaction device 2, and the connecting pipeline 3 is arranged between the outlet below the left side of the dosing mixing device 1 and the inlet above the left side of the catalytic reaction device 2; the separation device further comprises a water pump 4, a cyclone 5 and a sewage tank 6, the water pump 4 is arranged on the pipeline below the dosing mixing device 1, the cyclone 5 is arranged on the right side of the water pump 4, the inlet on the left side of the cyclone 5 is connected with the outlet on the right side of the water pump 4 through a pipeline, the sewage tank 6 is arranged on the right side of the cyclone 5, the inlet on the left side of the sewage tank 6 is connected with the outlet below the cyclone 5 through a pipeline, and the water pump 4 is electrically connected with a control cabinet (not shown in the figure).​

[0031] With the above scheme, the steam condensate water generated in the production of zinc ingot first enters the dosing mixing device 1, filters out impurities, and then fully mixes with hydrogen peroxide in the dosing device. After that, it enters the catalytic reaction device 2 through the connecting pipeline 3, and after the reaction, the ferrous iron and ferric iron in the condensate water react to form iron oxide under the catalysis of manganese dioxide. Then, by controlling the cabinet to open the water pump 4, the reacted water is pumped into the cyclone 5, and after centrifugal force separation and cyclone action in the cyclone 5, the water and iron oxide precipitate are separated. The separated iron oxide precipitate passes downward through the pipeline into the sewage tank 6, and the separated water passes upward through the outlet pipeline into the water treatment equipment of the boiler (not shown in the figure) for treatment to remove other impurities and then recycled.

[0032] Further, the dosing mixing device 1 further comprises a dosing tank 7, a water tank 8, and a mixing tank 9. The dosing tank 7 is arranged above the mixing tank 9, and the water tank 8 is arranged on the right side of the mixing tank 9.

[0033] Among them, the hydrogen peroxide enters the mixing tank 9 from the dosing tank 7, and the condensate water enters the mixing tank 9 from the water tank 8. After mixing in the mixing tank 9, it is discharged into the catalytic reaction device 2 through the connecting pipeline 3.

[0034] Further, the water tank 8 further comprises a tank body 10, a filter hole 11, a bottom plate 12, a cleaning door 13, and a water inlet pipeline 14. The tank body 10 is arranged on the right side of the mixing tank 9 and at the top. The filter hole 11 is arranged on the left side of the tank body 10. The bottom plate 12 is arranged at the bottom of the tank body 10 and is inclined to the left. The cleaning door 13 is hingedly arranged on the right side of the tank body 10 and is sealingly connected with the tank body 10. The water inlet pipeline 14 is arranged above the tank body 10.

[0035] Among them, the steam condensate water enters the tank body 10 from the water inlet pipeline 14, filters out impurities to the left through the filter hole 11, and then enters the mixing tank 9. When the maintenance device is opened, the impurities on the right side of the filter hole 11 can be cleaned out. In this way, the insoluble impurities in the condensate water are first filtered out, reducing the working burden of the subsequent treatment process and increasing the service life of the filter structure.

[0036] Further, the mixing tank 9 further comprises an outer shell a15 and a stirring mechanism 16. The stirring mechanism 16 is arranged below the outer shell a15, and the stirring mechanism 16 is electrically connected with the control cabinet.

[0037] Among them, the stirring mechanism 16 rotates in the outer shell a15 to accelerate the mixing of the condensate water and the hydrogen peroxide solution in the mixing tank 9.

[0038] Further, the stirring mechanism 16 further comprises a driving motor 17, a transmission wheel a 18, a transmission wheel b 19, a wave wheel 20, a rotating shaft a 21, a linkage mechanism 22, the driving motor 17 is arranged below the shell a 15, the transmission wheel a 18 is arranged above the output end above the driving motor 17, the transmission wheel b 19 is arranged through a transmission belt on the right side of the transmission wheel a 18, the rotating shaft a 21 is arranged inside the transmission wheel b 19, the upper end of the rotating shaft a 21 passes through the bottom of the shell a 15, the wave wheel 20 is arranged at the bottom of the shell a 15, and the bottom of the wave wheel 20 is connected with the top of the rotating shaft a 21, and the linkage mechanism 22 is arranged below the transmission wheel b 19.

[0039] Wherein, the driving motor 17 drives the transmission wheel a 18 to rotate to drive the transmission wheel b 19 to rotate, the rotating wheel b drives the wave wheel 20 in the shell a 15 to rotate through the rotating shaft a 21, and the hydrogen peroxide and the condensed water are mixed by the wave wheel 20 to rotate, so that the reaction efficiency of the ferrous ion is increased.

[0040] Further, the linkage mechanism 22 further comprises a mounting plate 23, a telescopic cylinder 24, a rotating shaft b 25, a linkage card wheel 26, and a rack 27, the mounting plate 23 is arranged on the rotating shaft a 21 below the transmission wheel b 19, the telescopic cylinder 24 is arranged on the mounting plate 23 on both sides of the rotating shaft a 21 respectively, the rotating shaft b 25 is rotatably connected below the rotating shaft a 21, the rack 27 is arranged on the side surface of the rotating shaft b 25, the linkage card wheel 26 is arranged below the output end of the telescopic cylinder 24, the linkage card wheel 26 is slidably connected with the rotating shaft a 21, and a tooth groove meshing with the rack 27 is arranged on the inner side of the linkage card wheel 26.

[0041] Wherein, when the linkage mechanism 22 is started, the telescopic cylinder 24 is elongated downward to push the linkage card wheel 26 downward, so that the linkage card wheel 26 is clamped on the rack 27 of the rotating shaft b 25, and at this time, the rotating shaft a 21 and the rotating shaft b 25 are synchronously rotated; when the linkage mechanism 22 is closed, the telescopic cylinder 24 is retracted, the rack 27 on the rotating shaft b 25 is out of the control of the linkage card wheel 26, and the rotating shaft a 21 is independently rotated outside the rotating shaft b 25, so that two stirring structures can be controlled by one driving motor 17 to operate, and energy is saved while the structure is compact.

[0042] Further, the catalytic reaction device 2 further comprises a shell b 28 and a stirring rod 29, the shell a 15 is arranged below the shell b 28, the rotating shaft b 25 is rotatably arranged above the shell b 28, and the stirring rod 29 is screwedly connected (not shown in the figure) to the side surface of the lower end of the rotating shaft b 25.

[0043] Wherein, the rotating shaft b 25 drives the stirring rod 29 to rotate in the shell b 28 to stir the solution and accelerate the reaction rate, and the screw connection of the stirring rod 29 facilitates the maintenance device to be disassembled and replaced.

[0044] Further, the stirring rod 29 further comprises a shell c30 and a manganese dioxide filler 31, and the shell c30 with holes on the surface is internally provided with the block-shaped manganese dioxide filler 31.

[0045] During the rotation of the stirring rod, the contact area with the reactants is increased through the holes on the surface of the shell c30, so that the reaction efficiency is increased, and the produced iron oxide is prevented from adhering to the surface of the catalyst through the stirring flushing.

[0046] Further, a flange-connected filter 32 is further arranged on the outlet pipeline above the cyclone 5.

[0047] The flange-connected filter 32 can filter out a small amount of residual iron oxide and impurities in the water before the treated water enters the boiler water treatment system.

[0048] In summary, the device is provided with the water adding tank 8, which can filter out insoluble impurities in the condensed water before the condensed water enters the device, reduces the working burden of the filtering structure in the subsequent treatment process, and increases the service life of the filtering structure; the stirring mechanism 16 is arranged to mix hydrogen peroxide and condensed water in the mixing tank 9, so that the mixing efficiency is increased, and the generation rate of iron oxide in the subsequent treatment process is increased; the linkage mechanism 22 is arranged to link the stirring rod 29, so that the contact area of the catalyst and the reactants is increased, and the iron oxide precipitate is flushed down during the stirring process, so that the iron oxide is prevented from adhering to the surface of the manganese dioxide catalyst, and then the iron oxide precipitate is centrifuged through the cyclone 5, so that the separation effect of the device is ensured.

[0049] The working principle of the device is as follows:

[0050] After the steam condensed water generated in the zinc ingot production enters the box body 10 of the water adding tank 8, the impurities are filtered out to the left through the filter hole 11, and then the impurities on the right side of the filter hole 11 can be cleaned out by opening the cleaning door 13 when the device is maintained, so that the insoluble impurities in the condensed water are filtered out first, the working burden of the filtering structure in the subsequent treatment process is reduced, and the service life of the filtering structure is increased.

[0051] The hydrogen peroxide enters the mixing tank 9 from the dosing tank 7, the driving motor 17 drives the transmission wheel b19 to rotate by driving the transmission wheel a18 to rotate, the rotating wheel b drives the impeller 20 in the shell a15 to rotate through the rotating shaft a21, and the impeller 20 is rotated to mix the hydrogen peroxide and the condensed water, so that the reaction efficiency of the ferrous iron is increased.

[0052] The mixed water enters the catalytic reaction device 2 through the connecting pipeline 3, at this time, the linkage mechanism 22 is started, the telescopic electric cylinder 24 is elongated downward, the linkage card wheel 26 is pushed downward, the linkage card wheel 26 is clamped on the rack 27 of the rotating shaft b25, at this time, the rotating shaft a21 and the rotating shaft b25 are synchronously rotated, the rotating shaft b25 drives the stirring rod 29 to rotate in the outer shell b28 through the linkage mechanism 22, the stirring rod 29 is conveniently disassembled and replaced by the maintenance device, the stirring rod rotates and stirs, at this time, the contact area with the reactant is increased through the holes on the surface of the outer shell c30, the reaction efficiency is increased, and the produced iron oxide is prevented from adhering to the surface of the catalyst through stirring and flushing;

[0053] Finally, the control cabinet opens the water pump 4, the reacted water is pumped into the cyclone 5, the water and the iron oxide precipitate are separated through centrifugal force separation and cyclone action in the cyclone 5, the separated iron oxide precipitate passes downward through the pipeline into the sewage tank 6, the separated water passes upward through the outlet pipeline into the water treatment equipment of the boiler, and the flange-connected filter 32 can filter out a small amount of residual iron oxide and impurities in the water before the treated water enters the boiler for water supply;

[0054] At this point, the working principle of the device is described.

[0055] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.

[0056] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A zinc ingot production steam condensate water cooling recovery circulation system, comprising a reaction device and a separation device, the reaction device is arranged on the left side of the separation device, characterized in that: The reaction device also comprises a dosing mixing device, a catalytic reaction device and a connecting pipeline, the dosing mixing device is arranged above the catalytic reaction device, and the connecting pipeline is arranged between the outlet below the left side of the dosing mixing device and the inlet above the left side of the catalytic reaction device; the separation device also comprises a water pump, a cyclone and a sewage tank, the water pump is arranged on the pipeline below the dosing mixing device, the cyclone is arranged on the right side of the water pump, the inlet on the left side of the cyclone is connected with the outlet on the right side of the water pump through a pipeline, the sewage tank is arranged on the right side of the cyclone, the inlet on the left side of the sewage tank is connected with the outlet below the cyclone through a pipeline, and the water pump is connected with the control cabinet through electric communication.

2. The zinc ingot production steam condensate water cooling and recycling system according to claim 1, characterized in that: The dosing mixing device also comprises a dosing tank, a water adding tank and a mixing jar, the dosing tank is arranged above the mixing jar, and the water adding tank is arranged on the right side of the mixing jar.

3. The zinc ingot production steam condensate water cooling and recycling system according to claim 2, characterized in that: The water adding tank also comprises a tank body, a filter hole, a bottom plate, a cleaning door and a water inlet pipeline, the tank body is arranged on the right side top of the mixing jar, the filter hole is arranged on the left side of the tank body, the bottom plate arranged on the bottom of the tank body is inclined to the left, the cleaning door is hingedly arranged on the right side of the tank body and is in sealed connection with the tank body, and the water inlet pipeline is arranged above the tank body.

4. The zinc ingot production steam condensate water cooling and recycling system according to claim 2, characterized in that: The mixing jar also comprises a shell a and a stirring mechanism, the stirring mechanism is arranged below the shell a, and the stirring mechanism is connected with the control cabinet through electric communication.

5. The zinc ingot production steam condensate water cooling and recycling system according to claim 4, characterized in that: The stirring mechanism also comprises a driving motor, a transmission wheel a, a transmission wheel b, an impeller, a rotating shaft a and a linkage mechanism, the driving motor is arranged below the shell a, the transmission wheel a is arranged above the output end of the driving motor, the transmission wheel b is arranged on the right side of the transmission wheel a through a transmission belt, the rotating shaft a is arranged in the transmission wheel b, the upper end of the rotating shaft a penetrates through the bottom of the shell a, the impeller is arranged on the bottom of the shell a and the bottom of the impeller is connected with the top of the rotating shaft a, and the linkage mechanism is arranged below the transmission wheel b.

6. The zinc ingot production steam condensate water cooling and recycling system according to claim 5, characterized in that: The linkage mechanism also comprises a mounting plate, a telescopic electric cylinder, a rotating shaft b, a linkage clamping wheel and a rack, the mounting plate is arranged on the rotating shaft a below the transmission wheel b, the telescopic electric cylinder is arranged on the mounting plate on the two sides of the rotating shaft a respectively, the rotating shaft b is rotatably connected below the rotating shaft a, the rack is arranged on the side surface of the rotating shaft b, the linkage clamping wheel is arranged below the output end of the telescopic electric cylinder, the linkage clamping wheel is in sliding connection with the rotating shaft a, and a tooth groove in mesh with the rack is arranged on the inner side of the linkage clamping wheel.

7. The zinc ingot production steam condensate water cooling and recycling system according to claim 1, characterized in that: The catalytic reaction device also comprises a shell b and a stirring rod, the shell a is arranged below the shell b, the rotating shaft b penetrates through the top of the shell b, and the stirring rod is threadedly connected to the lower end side of the rotating shaft b.

8. The zinc ingot production steam condensate water cooling and recycling system according to claim 7, characterized in that: The stirring rod also comprises a shell c and manganese dioxide fillers, the shell c with holes on the surface is internally provided with blocky manganese dioxide fillers.

9. The zinc ingot production steam condensate water cooling and recycling system according to claim 1, characterized in that: A flange-connected filter is further arranged on the outlet pipeline above the cyclone.

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