A wastewater treatment device and method for polyaluminum chloride production

Abstract

The application provides a wastewater treatment equipment and method for polyaluminum chloride production, and relates to the technical field of wastewater treatment. The equipment comprises an alternate liquid discharge part; a funnel is arranged on a support A, a backing plate is arranged in the funnel, and the backing plate is close to the top of a discharge section of the funnel; a through hole A is arranged on the backing plate; a motor A is arranged on a support B, a mixing hopper is fixedly arranged on an output shaft of the motor A, and a partition plate is arranged in the mixing hopper; a through hole B is arranged in a mixing area; a motor B is arranged at the top of the output shaft, a gear A is arranged outside an output shaft of the motor B; a support plate is arranged in the mixing area; a bearing is arranged on the support plate, a stirring assembly is arranged in the bearing; a gear B is arranged on the stirring assembly, and the gear B is used in cooperation with the gear A. The wastewater treatment equipment can effectively improve the uniformity of the mixing of the medicament and the wastewater, can avoid the accumulation of solid particles in the mixing process, can avoid the blockage of the through hole A and the through hole B, and can make the equipment normally operate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wastewater treatment, in particular to a wastewater treatment equipment and method for polyaluminum chloride production. BACKGROUND

[0002] Polyaluminum chloride is usually prepared by the reaction of calcium aluminate ore powder and hydrochloric acid; the production process mainly includes steps such as dissolution, ripening, precipitation, drying, etc., wherein the wastewater in the dissolution process may contain impurities such as iron and silicon, the ripening wastewater may contain high molecular polymers, and the washing wastewater may contain suspended solids and small particle solids.

[0003] In the patent document with the application number 202411116616.5, the applicant being Shandong Luran Environmental Protection Technology Co., Ltd., and the subject name being a wastewater treatment equipment and method for polyaluminum chloride production, the wastewater treatment equipment includes a variable-amount feeding part, a staggered movable unit, and an alternating liquid discharge part; wherein, through the alternating liquid discharge part, when the spur gear ring rotates, it will drive the U-shaped connecting frame to rotate, so as to make the adapter shaft drive the liquid accumulation bucket to rotate relative to the resistance disc; at this time, when the first liquid discharge pipe discharges the reagent and the second liquid discharge pipe discharges the wastewater, the rotation of the liquid accumulation bucket can make the wastewater and the reagent fall into the cavity between the baffle and the liquid accumulation bucket alternately, so as to realize the full mixing of the wastewater and the reagent; but in the actual use process, the alternating liquid discharge part has the following problems:

[0004] Firstly, the reagent discharged by the first liquid discharge pipe and the wastewater discharged by the second liquid discharge pipe are sequentially discharged into the cavity between the baffle and the liquid accumulation bucket; although the reagent and the wastewater can produce a certain mixing effect through solution diffusion and the like during the rotation of the liquid accumulation bucket, the mixing is not uniform;

[0005] Secondly, after the reagent is discharged into the wastewater, flocculation floating substances, precipitates and the like are generated, especially the precipitates, which are likely to cause blockage of the first and second flow guide holes when they directly precipitate to the bottom of the liquid accumulation bucket, affecting the normal operation of the equipment. SUMMARY

[0006] In view of this, the present application provides a wastewater treatment equipment and method for polyaluminum chloride production, specifically a wastewater treatment equipment including a mixing bucket and a funnel; the wastewater treatment equipment has the advantages of reasonable design, strong practicality and convenient use.

[0007] The technical scheme of the present application is as follows:

[0008] A wastewater treatment equipment for polyaluminum chloride production, comprising an alternating liquid discharge part, the alternating liquid discharge part comprising a support A and a support B;

[0009] A funnel is arranged on the support A, a pad is arranged in the funnel, and the pad is close to the top of the discharge section of the funnel; a through hole A is arranged on the pad;

[0010] A motor A is arranged on the support B, the top end of the output shaft of the motor A penetrates the discharge section of the funnel and the pad, so that the top end of the output shaft is higher than the top end of the funnel or flush with the top end of the funnel;

[0011] A mixing hopper is fixedly arranged on the output shaft of the motor A, a partition plate is arranged in the mixing hopper, and the partition plate divides the mixing hopper into mixing zones;

[0012] The motor A is started, and the mixing hopper can move relative to the pad;

[0013] A through hole B is arranged in each mixing zone and located on the inner bottom surface of the mixing hopper;

[0014] When the through hole B is communicated with the through hole A, the liquid in the corresponding mixing zone can be discharged;

[0015] A motor B is arranged on the top end of the output shaft, and a gear A is arranged outside the output shaft of the motor B;

[0016] A support plate is arranged in each mixing zone and connected with the side surface of the mixing hopper;

[0017] A bearing is arranged on the support plate, and a stirring assembly is installed in the bearing; a gear B is arranged on the stirring assembly, and the gear B is used in cooperation with the gear A;

[0018] During the rotation of the mixing hopper, the motor B is started, and under the cooperation of the gear A and the gear B, the stirring assembly can mix the medicament and the wastewater in the mixing zone, so as to improve the mixing uniformity; in addition, with the rotation of the mixing hopper and the stirring of the stirring assembly, the accumulation of particulate matter on the inner side surface and the bottom surface of the mixing hopper can be avoided as much as possible, the liquid after mixing is in a suspension state, and the liquid is discharged after passing through the through hole A and the through hole B, so as to avoid the blockage of the through hole A and the through hole B caused by the particulate matter.

[0019] Preferably, the stirring assembly comprises a tapered liquid guide, and the liquid guide has an upper large and lower small structure; the liquid guide is located in the bearing; the gear B is sleeved outside the liquid guide; the stirring assembly in the mixing zone can rotate under the action of the motor B, so as to mix the medicament and the wastewater in the mixing zone, and improve the mixing effect and the mixing efficiency.

[0020] Preferably, the liquid guide comprises a frame and a mesh plate connected with the frame; after the medicament and the wastewater are finished, the mesh plate structure of the liquid guide can better promote the mixing effect of the liquid in and outside the liquid guide, and improve the mixing uniformity.

[0021] Preferably, a spiral ribbon is provided on the outside of the liquid guide hopper, and the spiral ribbon is connected to the frame of the liquid guide hopper through a connecting rod; the spiral ribbon can not only promote the mixing of the agent and the wastewater, but also carry the suspended solids from bottom to top during the mixing process, so as to avoid the suspended solids being discharged with the mixed liquid and reduce the workload of subsequent treatment.

[0022] Preferably, the height of the support plate exceeds the top surface of the mixing hopper; a through hole C is provided on the support plate, and with the action of the stirring component, light substances (suspended matter) will move upward; through the interception of the support plate, they will gradually gather near the support plate, and when the amount of accumulation exceeds the height of the top surface of the mixing hopper, they will be discharged from the mixing hopper along the top surface of the mixing hopper and collected in the funnel, reducing the workload of subsequent processing.

[0023] Preferably, a support rod is provided inside the liquid guiding hopper, and the support rod is connected to the frame of the liquid guiding hopper; a conical guide block is provided on the support rod, and the guide block has a structure that is smaller at the top and larger at the bottom; the guide block is set up for two purposes: first, it can generate a dispersion effect when the agent and waste liquid enter the liquid guiding hopper, which is conducive to the mixing of the agent and waste liquid; second, it can agitate the liquid in the liquid guiding hopper when the liquid guiding hopper rotates, which is conducive to the uniformity of the mixing of the agent and waste liquid.

[0024] Preferably, a sliding sleeve is provided on the bottom surface of the guide block, and a sliding rod is provided on the support rod, with the sliding sleeve fitted onto the sliding rod; an elongated through hole D is provided on the sliding sleeve, and a limiting strip is provided on the sliding rod, with the limiting strip located inside the through hole D to prevent the guide block from slipping off.

[0025] Preferably, a spring is provided between the bottom surface of the guide block and the support rod, and the spring can provide buffering and pulling effects on the guide block.

[0026] Preferably, an elongated arc-shaped protrusion is provided on the inner side of the liquid guide hopper, and the arc-shaped protrusion extends along the top and bottom surfaces of the liquid guide hopper. The protrusion can change the direction of liquid flow and form a relatively narrow flow channel with the outer side of the liquid guide hopper, thereby changing the speed of the liquid flowing through the flow channel and improving the mixing effect and the suspension effect of solids.

[0027] The operating method of the above-mentioned wastewater treatment equipment for polyaluminum chloride production is as follows:

[0028] S1, start motors A and B to make the mixing hopper and liquid guide hopper rotate; check that the reagent feeding equipment and wastewater feeding equipment are operating normally;

[0029] S2, wastewater is fed into the mixing zone through the wastewater discharge pipe of the wastewater feeding equipment via the top of the liquid guide hopper; then, the reagent is fed into the mixing zone through the reagent discharge pipe of the reagent feeding equipment via the top of the liquid guide hopper.

[0030] S3, the mixing hopper and the liquid guide hopper continue to rotate, so that the suspended matter moves upward from the bottom and gathers at the support plate, and solid particles can be suspended in the solution as the stirring proceeds, so that they can be discharged together with the solution through the through hole A and the through hole B during subsequent liquid discharge.

[0031] Compared with the prior art, the beneficial effects of the present application are that the effects of gear A and gear B enable the stirring assembly to rotate in the mixing area, improving the uniformity of the mixing of the medicament and the wastewater; at the same time, the accumulation of particulate matter on the inner side and bottom of the mixing hopper is avoided, the mixed liquid is in a suspension state, the through hole A and the through hole B are prevented from being blocked, and the liquid discharge efficiency is improved. The above-mentioned arrangement makes the wastewater treatment equipment have the advantages of reasonable design, strong practicability and convenient use. The use of the wastewater treatment equipment can effectively improve the uniformity of the mixing of the medicament and the wastewater; and during the mixing process, the accumulation of solid particles is avoided, the through hole A and the through hole B are prevented from being blocked, and the equipment can operate normally. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0033] Fig. 1 It is a structural schematic view of the wastewater treatment equipment of the present application.

[0034] Fig. 2 It is an enlarged view of M part.

[0035] Fig. 3 It is a structural schematic view of the mixing hopper.

[0036] In the figure, 1 is support A, 2 is support B, 3 is funnel, 4 is pad, 5 is through hole A, 6 is motor A, 7 is mixing hopper, 8 is partition, 9 is through hole B, 10 is motor B, 11 is gear A, 12 is support plate, 13 is through hole C, 14 is bearing, 15 is gear B, 16 is liquid guide hopper, 1601 is frame, 1602 is mesh plate, 17 is spiral belt, 18 is support rod, 19 is guide block, 20 is sliding sleeve, 21 is sliding rod, 22 is limiting strip, 23 is spring, 24 is protrusion. DETAILED DESCRIPTION

[0037] In order to make the person skilled in the art better understand the technical solutions in the present application, the technical solutions of the present application will be described clearly and completely in combination with the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor should belong to the scope of protection of the present application.

[0038] Embodiment 1

[0039] In combination Figs. 1-3 The present application provides a wastewater treatment equipment for polyaluminum chloride production, comprising an alternating liquid discharge member, the alternating liquid discharge member comprising a support A1 and a support B2;

[0040] A hopper 3 is arranged on the support A1, a pad 4 is arranged in the hopper 3, and the pad 4 is close to the top of the discharge section of the hopper 3; a through hole A5 is arranged on the pad 4;

[0041] A motor A6 is arranged on the support B2, the top end of the output shaft of the motor A6 penetrates through the discharge section of the hopper 3 and the pad 4, so that the top end of the output shaft is higher than or flush with the top end of the hopper 3;

[0042] A mixing hopper 7 is fixedly arranged on the output shaft of the motor A6, a partition plate 8 is arranged in the mixing hopper 7, one side of the partition plate 8 is connected with the output shaft of the motor A6, and the other side is connected with the inner side of the mixing hopper 7, and the partition plate 8 divides the mixing hopper 7 into mixing zones;

[0043] The motor A6 is started, and the mixing hopper 7 can move relative to the pad 4;

[0044] A through hole B9 is arranged in each mixing zone, and the through hole B9 is located on the inner bottom surface of the mixing hopper 7;

[0045] When the through hole B9 is communicated with the through hole A5, the liquid in the corresponding mixing zone can be discharged;

[0046] A sealing ring is arranged between the pad 4 and the mixing hopper 7 to prevent liquid leakage;

[0047] A motor B10 is arranged at the top end of the output shaft, and a gear A11 is arranged outside the output shaft of the motor B10;

[0048] A support plate 12 is arranged in each mixing zone, and the support plate 12 is connected with the side surface of the mixing hopper 7;

[0049] The height of the support plate 12 exceeds the top surface of the mixing hopper 7; a through hole C13 is arranged on the support plate 12, and the light substance (suspended matter) moves upward under the action of the stirring assembly; the light substance is intercepted by the support plate 12 and gradually gathers around the support plate 12; when the amount of the light substance exceeds the height of the top surface of the mixing hopper 7, the light substance is discharged from the mixing hopper 7 along the top surface of the mixing hopper 7 into the funnel 3 for collection, thereby reducing the workload of subsequent processing;

[0050] A bearing 14 is arranged on the support plate 12, and a stirring assembly is arranged in the bearing 14; a gear B15 is arranged on the stirring assembly, and the gear B15 is used in cooperation with the gear A11;

[0051] In the embodiment, the stirring assembly includes a tapered liquid guide 16, and the liquid guide 16 has an upper large and lower small structure; the liquid guide 16 is located in the bearing 14; a gear B is sleeved outside the liquid guide 16; the stirring assembly in the mixing area can rotate under the action of the motor B10, so that the medicament and the wastewater in the mixing area are mixed, and the mixing effect and the mixing efficiency are improved;

[0052] The liquid guide 16 includes a frame 1601 and a mesh plate 1602 connected with the frame 1601; after the medicament and the wastewater are finished, the mesh plate 1602 of the liquid guide 16 in the structure can better promote the mixing effect of the liquid in and outside the liquid guide 16, and improve the mixing uniformity;

[0053] A spiral belt 17 is arranged outside the liquid guide 16, and the spiral belt 17 is connected with the frame 1601 of the liquid guide 16 through a connecting rod; the spiral belt 17 can promote the mixing of the medicament and the wastewater, and can also carry the suspended matter upward in the mixing process, so that the suspended matter is prevented from being discharged together with the mixed liquid, and the workload of subsequent processing is reduced;

[0054] A support rod 18 is arranged in the liquid guide 16, and the support rod 18 is connected with the frame 1601 of the liquid guide 16; a tapered guide block 19 is arranged on the support rod 18, and the guide block 19 has an upper small and lower large structure; the guide block 19 is arranged in order to disperse the medicament and the wastewater when the medicament and the wastewater enter the liquid guide 16, so as to facilitate the mixing of the medicament and the wastewater; and the guide block 19 can disturb the liquid in the liquid guide 16 when the liquid guide 16 rotates, so as to facilitate the uniformity of the mixing of the medicament and the wastewater;

[0055] A sliding sleeve 20 is arranged on the bottom surface of the guide block 19, a sliding rod 21 is arranged on the support rod 18, and the sliding sleeve 20 is sleeved on the sliding rod 21; a long strip-shaped through hole D (not shown in the figure) is arranged on the sliding sleeve 20, and a limiting strip 22 is arranged on the sliding rod 21; the limiting strip 22 is located in the through hole D, so as to prevent the guide block 19 from slipping off;

[0056] A spring 23 is arranged between the bottom surface of the guide block 19 and the support rod 18, and the spring 23 can produce a buffering and pulling action on the guide block 19;

[0057] A long strip-shaped arc-shaped protrusion 24 is arranged on the inner side of the liquid guide hopper 16, and the arc-shaped protrusion 24 extends along the top surface to the bottom surface of the liquid guide hopper 16. The arrangement of the protrusion 24 can change the direction of the liquid flow, and can form a relatively narrow flow channel between the outer side of the liquid guide hopper 16, so that the speed of the liquid flowing through the flow channel is changed, and the mixing effect and the suspension effect of the solid are improved.

[0058] During the rotation of the mixing hopper 7, the motor B10 is started, and under the cooperation of the gear A11 and the gear B15, the stirring assembly can mix the medicament and the wastewater in the mixing area, and improve the mixing uniformity. In addition, with the rotation of the mixing hopper 7 and the stirring of the stirring assembly, the accumulation of particulate matter on the inner side and the bottom surface of the mixing hopper 7 can be avoided as much as possible, so that the liquid after uniform mixing is in a suspension state and is discharged after passing through the through hole A5 and the through hole B9, avoiding the blockage of the through hole A5 and the through hole B9 by particulate matter.

[0059] Example 2

[0060] The method for using the wastewater treatment equipment for producing polyaluminum chloride provided in Example 1 is as follows:

[0061] S1, start the motor A6 and the motor B10 to rotate the mixing hopper 7 and the liquid guide hopper 16; check whether the medicament feeding device and the wastewater feeding device are normally operated;

[0062] S2, through the wastewater discharge pipe of the wastewater feeding device, the wastewater is poured into the mixing area through the top end of the liquid guide hopper 16; then through the medicament discharge pipe of the medicament feeding device, the medicament is poured into the mixing area through the top end of the liquid guide hopper 16;

[0063] S3, the mixing hopper 7 and the liquid guide hopper 16 continue to rotate, so that the suspended matter moves upward from the bottom and gathers at the support plate 12. With the stirring, the solid particles can be suspended in the solution, so that they can be discharged together with the solution through the through hole A5 and the through hole B9 in the subsequent liquid discharge.

[0064] Although the present application has been described in detail by referring to preferred embodiments thereof, it is to be understood that the present application is not limited to these preferred embodiments. Variations and modifications are possible in the embodiments of the present application without departing from the spirit and scope of the present application. Therefore, it should be understood that the present application includes all modifications and alternatives within the scope of the present application as disclosed in the specification and the claims. Any modifications and replacements obvious to those skilled in the art within the technical scope of the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A waste water treatment apparatus for polyaluminum chloride production, characterized by, The device comprises an alternating liquid discharge device, which comprises a support A and a support B; A funnel is arranged on the support A, and a base plate is arranged in the funnel, the base plate being close to the top of the discharge section of the funnel; a through hole A is arranged on the base plate; A motor A is arranged on the support B, and the top end of the output shaft of the motor A is higher than or flush with the top end of the funnel; A mixing hopper is fixedly arranged on the output shaft of the motor A, and a partition plate is arranged in the mixing hopper, the partition plate dividing the mixing hopper into mixing zones; A through hole B is arranged in each mixing zone, the through hole B being located on the inner bottom surface of the mixing hopper; when the through hole B communicates with the through hole A, the liquid in the corresponding mixing zone can be discharged; A motor B is arranged at the top end of the output shaft, and a gear A is arranged outside the output shaft of the motor B; A support plate is arranged in each mixing zone, the support plate being connected with the side surface of the mixing hopper; A bearing is arranged on the support plate, and a stirring assembly is arranged in the bearing; a toothed disc B is arranged on the stirring assembly, and the toothed disc B is used in cooperation with the gear A; The stirring assembly comprises a tapered liquid guide hopper, the liquid guide hopper having an upper large and lower small structure; the liquid guide hopper is located in the bearing; and the toothed disc B is arranged outside the liquid guide hopper; The liquid guide hopper comprises a frame and a mesh plate connected with the frame; A spiral belt is arranged outside the liquid guide hopper, and the spiral belt is connected with the frame of the liquid guide hopper through a connecting rod.

2. The waste water treatment apparatus for producing polyaluminum chloride according to claim 1, characterized by, The height of the support plate exceeds the top surface of the mixing hopper; and a through hole C is arranged on the support plate.

3. The waste water treatment apparatus for producing polyaluminum chloride according to claim 1, wherein A support rod is arranged in the liquid guide hopper, the support rod being connected with the frame of the liquid guide hopper; a tapered guide block is arranged on the support rod, the guide block having an upper small and lower large structure.

4. The waste water treatment apparatus for producing polyaluminum chloride according to claim 1, wherein A sliding sleeve is arranged on the bottom surface of the guide block, a sliding rod is arranged on the support rod, the sliding sleeve being sleeved on the sliding rod; a long strip-shaped through hole D is arranged on the sliding sleeve, and a limiting strip is arranged on the sliding rod, the limiting strip being located in the through hole D.

5. The waste water treatment apparatus for producing polyaluminum chloride according to claim 3, wherein A spring is arranged between the bottom surface of the guide block and the support rod.

6. The waste water treatment apparatus for producing polyaluminum chloride according to claim 1, wherein A long strip-shaped arc-shaped protrusion is arranged on the inner side surface of the liquid guide hopper, the arc-shaped protrusion extending along the top surface to the bottom surface of the liquid guide hopper.

7. A method of using the waste water treatment apparatus for producing polyaluminum chloride according to claim 1, characterized by, The process is as follows: S1, start the motor A and the motor B to make the mixing hopper and the liquid guide hopper rotate; check whether the medicament feeding device and the wastewater feeding device are normally operated; S2, through the wastewater discharge pipe of the wastewater feeding device, the wastewater is fed into the mixing zone through the top end of the liquid guide hopper; then through the medicament discharge pipe of the medicament feeding device, the medicament is fed into the mixing zone through the top end of the liquid guide hopper; S3, the mixing hopper and the liquid guide hopper continuously rotate, so that the suspended matter moves from bottom to top and gathers at the support plate; solid particles can be suspended in the solution due to the stirring action, so that the solid particles can be discharged together with the solution through the through hole A and the through hole B in subsequent liquid discharge.

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