Lime milk and waste acid neutralization filtrate recycling device
The design of multi-stage filter plates and cleaning mechanisms solves the problem of filtrate impurities caused by single-layer filter plates, realizes efficient filtrate recycling and ash removal, and improves the treatment effect of mixed liquor.
Patent Information
- Application Number
- CN202520164470.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-24
AI Technical Summary
In existing lime slurry and waste acid neutralization filtrate recycling devices, single-layer filter plates are insufficient to capture the ash residue in the mixed slurry, resulting in impurities in the filtrate, which affects the recycling effect. Furthermore, the filtered ash residue is prone to accumulate, reducing filtration efficiency.
It employs multiple filter plates and a cleaning mechanism. The filter plates are rotated and cleaned by the mounting shaft. Combined with the cleaning mechanism and the pressurization mechanism, it achieves multi-stage filtration and efficient cleaning, thereby improving the efficiency of filtrate recycling.
It enables multi-stage filtration and efficient cleaning of the filtrate, improves the efficiency of mixed liquor treatment, reduces resource waste, and provides convenience.
Smart Images

Figure CN223788144U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to lime powder processing technical field especially, relate to a lime milk and waste acid neutralization filtrate recycling device. BACKGROUND
[0002] When the lime milk and waste acid are put into the reaction kettle for neutralization, a certain mixed slag liquid is generated.
[0003] In order to better utilize resources, the corresponding filtrate recycling device needs to be used, the filter plate on the filtrate recycling device is used to filter the ash in the mixed slag liquid, thereby facilitating the recycling use of the filtered filtrate, but in the use process of some existing filtrate recycling devices, in order to facilitate the cleaning of the ash filtered on the filter plate, a single layer of filter plate is often arranged, and the single layer of filter plate is difficult to fully capture all the ash in the mixed slag liquid, so that a certain amount of impurities is still contained in the filtrate, which affects the recycling effect of the filtrate, and the filtered ash is prone to accumulation, thereby reducing the filtering effect and efficiency of the mixed slag liquid, and the use is limited. UTILITY MODEL CONTENTS
[0004] The utility model provides a kind of lime milk and waste acid neutralization filtrate recycling device, to solve the problem of limited use of the lime milk and waste acid neutralization filtrate recycling device currently used in the above background art.
[0005] To solve the above problems, the utility model is realized as follows: a kind of lime milk and waste acid neutralization filtrate recycling device, comprising: a treatment box;Multiple installation shafts are rotatably installed at different heights on the treatment box;Multiple filter plates for filtering the mixed slag liquid generated by the neutralization reaction of lime milk and waste acid are fixedly sleeved on multiple installation shafts respectively;Drain pipe, the drain pipe is opened in the bottom of treatment box;Recycling box is arranged below the drain pipe for collecting the filtrate filtered by the filter plate;Cleaning mechanism is arranged on the treatment box and multiple installation shafts for driving multiple filter plates to overturn and clean the ash filtered;Cleaning mechanism is arranged in the treatment box for cleaning multiple filter plates.
[0006] Preferably, one side of the treatment box is fixedly installed with a discharge pipe, and the discharge pipe is used to discharge the ash filtered by the filter plate.
[0007] Preferably, the cleaning mechanism comprises: a servo motor fixedly installed on one side of the treatment box;Multiple synchronous wheels are fixedly sleeved on multiple installation shafts and located outside the treatment box, and multiple synchronous belts are sleeved on multiple synchronous wheels.
[0008] Preferably, the cleaning mechanism comprises: a water pump fixedly installed on one side outer wall of the treatment box; a vertical pipe fixedly installed on one side outer wall of the treatment box, the vertical pipe being in communication with a water outlet end of the water pump; and a plurality of connecting pipes fixedly installed in the treatment box and located between two adjacent filter plates, the connecting pipes being in communication with the vertical pipe and being provided with a plurality of nozzles.
[0009] Preferably, the connecting pipes are fixedly installed with protective frames.
[0010] Preferably, the treatment box is provided with a pressurizing mechanism for pressurizing the treatment box, the pressurizing mechanism comprising: a pressurizing pump fixedly installed on one side outer wall of the treatment box; and a bend pipe fixedly installed on the treatment box, the bend pipe being in communication with the pressurizing pump.
[0011] Preferably, the recovery box is provided with a discharge pipe for discharging the filtrate collected in the recovery box, and the recovery box is provided with a transparent observation port.
[0012] Compared with the related art, the lime milk and waste acid neutralization filtrate recycling device has the following beneficial effects:
[0013] Compared with the prior art, the lime milk and waste acid neutralization filtrate recycling device can filter the mixed liquid generated by the neutralization reaction of lime milk and waste acid, and then recycle the filtered filtrate, thereby reducing resource waste, and can perform multi-stage filtration on the mixed liquid, effectively improving the efficiency and effect of the mixed liquid treatment, and facilitating the cleaning of the filtered ash residue, thereby providing convenience for the workers. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a front view structural schematic diagram of the lime milk and waste acid neutralization filtrate recycling device provided by the utility model;
[0015] Figure 2 is a front view structural schematic diagram of the lime milk and waste acid neutralization filtrate recycling device provided by the utility model;
[0016] Figure 3 is Figure 2 is an enlarged structural schematic diagram of part A shown in FIG.
[0017] Figure 4 is Figure 2 is an enlarged structural schematic diagram of part B shown in FIG.
[0018] Attached reference numerals: 1. Processing tank; 101. Drain pipe; 102. Discharge pipe; 2. Mounting shaft; 3. Filter plate; 4. Recovery tank; 5. Motor; 6. Synchronous pulley; 7. Synchronous belt; 8. Water pump; 9. Vertical pipe; 10. Connecting pipe; 11. Nozzle; 12. Protective frame; 13. Booster pump; 14. Bend; 15. Discharge pipe. Detailed Implementation
[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings are used to distinguish different objects, not to describe a particular order; the terms "inner," "outer," "left," and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.
[0020] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0021] This utility model provides a device for recycling the filtrate from the neutralization of lime slurry and waste acid, such as... Figures 1-4 As shown, the lime slurry and waste acid neutralization filtrate recycling device includes: a treatment tank 1; multiple mounting shafts 2 rotatably installed at different heights on the treatment tank 1; multiple filter plates 3 respectively fixedly sleeved on the multiple mounting shafts 2 for filtering the mixed slag liquid generated by the neutralization reaction of lime slurry and waste acid; a drain pipe 101, which is opened at the bottom of the treatment tank; a recovery tank 4 set below the drain pipe for collecting the filtrate filtered by the filter plates 3; a cleaning mechanism set on the treatment tank 1 and the multiple mounting shafts 2 for driving the multiple filter plates 3 to rotate and clean the filtered ash residue; and a cleaning mechanism set inside the treatment tank 1 for cleaning the multiple filter plates 3.
[0022] In this embodiment, when treating the mixed slag liquid produced by the neutralization reaction of lime slurry and waste acid, the discharge pipe on the reactor and the feed pipe at the top of the treatment tank 1 are sealed and connected. Multiple filter plates 3 have different mesh sizes, effectively filtering the ash residue in the mixed slag liquid. Furthermore, the multiple filter plates 3 can filter ash residue of different sizes, effectively improving the filtration efficiency and effect, thereby enhancing the overall treatment effect of the mixed slag liquid. The filtered liquid enters the recovery tank 4 and can be used to prepare lime slurry again for recycling, thus effectively utilizing resources and reducing waste. When it is necessary to clean the ash residue filtered on the multiple filter plates 3, the discharge pipe 102 is opened. A controller is installed on one side of the device, which can control the entire device. The working principle of the controller is existing technology and will not be elaborated here. The controller activates the cleaning mechanism, causing the multiple filter plates 3 on the multiple mounting shafts 2 to rotate 90 degrees, thereby adjusting the filter plates 3 to the desired position. Figure 2 In this state, the ash and slag filtered on multiple filter plates 3 fall to the bottom of the treatment box 1 for discharge, making unloading convenient and simple, providing convenience for staff. Through the entire device, the mixed liquid produced by the neutralization reaction of lime milk and waste acid can be filtered, and the filtered liquid can be recycled to reduce resource waste. Moreover, the mixed liquid can be filtered in multiple stages, effectively improving the efficiency and effect of mixed liquid treatment, and it is convenient to clean the filtered ash and slag, providing convenience for staff.
[0023] In a further preferred embodiment of the present invention, a discharge pipe 102 is fixedly installed on one side of the processing box 1, and the discharge pipe 102 is used to discharge the ash and slag filtered by the filter plate 3.
[0024] In this embodiment, the drain pipe 101 is used to discharge the filtrate filtered by the filter plate 3 into the recovery box 4, and the discharge pipe 102 is used to discharge the ash residue filtered by the filter plate 3.
[0025] In a further preferred embodiment of this utility model, the cleaning mechanism includes: a servo motor 5 fixedly installed on the outer wall of one side of the processing box 1; and multiple synchronous pulleys 6 respectively fixedly sleeved on multiple mounting shafts 2 and located outside the processing box, with multiple synchronous belts 7 sleeved on the multiple synchronous pulleys 6. Specifically, there are three mounting shafts, three synchronous pulleys, and two synchronous belts. The servo motor is connected to the synchronous pulley on one mounting shaft, driving the synchronous pulley to rotate. The synchronous pulley drives the remaining two synchronous pulleys to rotate through the two synchronous belts, thereby driving the filter plates on the three mounting shafts to rotate.
[0026] In the embodiment, when the ash filtered on the plurality of filter plates 3 needs to be cleaned, the discharge pipe 102 is opened, the servo motor 5 is started by the controller, and the plurality of filter plates 3 on the plurality of mounting shafts 2 are reversed by 90 degrees under the action of the synchronous wheel 6 and the synchronous belt 7, so that the filter plates 3 are adjusted to the state as shown in the figure, the ash filtered on the plurality of filter plates 3 falls to the bottom of the treatment box 1, and then is discharged through the discharge pipe 102, so that the discharge is convenient and simple, and convenience is provided for the staff, and meanwhile, the mounting shaft 2 is reversed by 90 degrees by the servo motor 5 driven by the controller, so that the plurality of filter plates 3 are reset for use. Figure 2
[0027] In the further preferred embodiment of the utility model, the cleaning mechanism comprises: a water pump 8 fixedly installed on one side of the outer wall of the treatment box 1; a vertical pipe 9 fixedly installed on one side of the outer wall of the treatment box 1, the vertical pipe 9 being in communication with the water outlet end of the water pump 8; and a plurality of connecting pipes 10 fixedly installed in the treatment box 1 and located between two adjacent filter plates, the plurality of connecting pipes 10 being in communication with the vertical pipe 9, and a plurality of spray heads 11 being arranged on the connecting pipes 10.
[0028] In the embodiment, when the cleaning mechanism is used, the water inlet end of the water pump 8 is connected with a corresponding water source pipe, a control valve is arranged on each of the plurality of connecting pipes 10, when cleaning, the control valves on the plurality of connecting pipes 10 are opened, the water pump 8 is started, the water enters the plurality of connecting pipes 10 through the vertical pipe 9, and then is sprayed on the plurality of filter plates 3, and when the plurality of filter plates 3 are cleaned, the plurality of filter plates 3 are driven to rotate by the cleaning mechanism, so that the surfaces of the plurality of filter plates 3 can be uniformly cleaned, and the cleaning effect of the treatment box 1 and the filter plates 3 is effectively improved.
[0029] In the further preferred embodiment of the utility model, a protection frame 12 is fixedly installed on the connecting pipe 10, and the protection frame 12 is used for protecting the spray head 11.
[0030] In the embodiment, the protection frame 12 can protect the spray head 11, so that impurities are prevented from entering the spray head 11, and the safety of the spray head 11 is improved.
[0031] In the further preferred embodiment of the utility model, the treatment box 1 is provided with a pressure boosting mechanism used for boosting the pressure in the treatment box 1, the pressure boosting mechanism comprises: a pressure boosting pump 13 fixedly installed on one side of the outer wall of the treatment box 1; and an elbow pipe 14 fixedly installed on the treatment box 1, the elbow pipe 14 being in communication with the pressure boosting pump 13.
[0032] In the embodiment, when the mixed slurry generated by the neutralization reaction of lime milk and waste acid is put into the treatment tank 1 from the corresponding reaction kettle, first, the reaction kettle is in a sealed state when discharging, the control valves on the plurality of connecting pipes 10 are closed, the discharge pipe on the reaction kettle and the feed pipe on the top of the treatment tank 1 are sealingly connected, the booster pump 13 is started, and the treatment tank 1 is pressurized under the cooperation of the elbow pipe 14, so that the filtering efficiency of the mixed slurry can be accelerated, and the overall work efficiency is improved.
[0033] In the further preferred embodiment of the utility model, the recycling tank 4 is provided with a discharge pipe 15 for discharging the filtrate collected in the recycling tank 4, and the recycling tank 4 is provided with a transparent observation port.
[0034] In the embodiment, the discharge pipe 15 is used for discharging the filtrate collected in the recycling tank 4, and the transparent observation port is used for observing the recycling tank 4.
[0035] In summary, compared with the related art, the whole device can filter and treat the mixed liquid generated by the neutralization reaction of lime milk and waste acid, recycle the filtered filtrate, reduce resource waste, and perform multi-stage filtering treatment on the mixed liquid, effectively improve the efficiency and effect of the mixed liquid treatment, and facilitate cleaning of the filtered ash, thereby providing convenience for the workers.
[0036] In the several embodiments provided in the present application, it should be understood that the disclosed device can be implemented in other ways.
[0037] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit the protection scope of the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. Although the utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete the features in the embodiments of the utility model according to the circumstances without creative labor, so as to obtain different, but essentially not deviating from the concept of the utility model, other technical solutions. These technical solutions also belong to the scope of the utility model to be protected.
Claims
1. A lime milk and waste acid neutralization filtrate recycling device, characterized by, The utility model relates to a lime milk and waste acid neutralization reaction filter device, including: A processing box; Multiple installation shafts are rotatably installed at different heights on the processing box; Multiple filter plates for filtering mixed slag liquid generated by the neutralization reaction of lime milk and waste acid are fixedly sleeved on the multiple installation shafts respectively; A drain pipe is arranged at the bottom of the processing box; A recovery box is arranged below the drain pipe to collect the filtrate filtered by the filter plates; A cleaning mechanism is arranged on the processing box and the multiple installation shafts to drive the multiple filter plates to overturn and clean the filtered ash slag.
2. The lime milk and spent acid neutralization filtrate recycling device according to claim 1, characterized in that, A cleaning mechanism is arranged on the processing box and the multiple installation shafts to drive the multiple filter plates to overturn and clean the filtered ash slag.
3. The lime milk and spent acid neutralization filtrate recycling device according to claim 1, characterized in that, The cleaning mechanism includes a servo motor fixedly installed on the outer wall of one side of the processing box, multiple synchronous wheels fixedly sleeved on the multiple installation shafts and located outside the processing box, and multiple synchronous belts sleeved on the multiple synchronous wheels.
4. The lime milk and waste acid neutralization filtrate recycling device according to claim 1, wherein The cleaning mechanism includes a water pump fixedly installed on the outer wall of one side of the processing box, a vertical pipe fixedly installed on the outer wall of one side of the processing box, the vertical pipe being in communication with the water outlet end of the water pump, multiple connecting pipes fixedly installed in the processing box and located between two adjacent filter plates, the multiple connecting pipes being in communication with the vertical pipe, and multiple nozzles arranged on the connecting pipes.
5. The lime milk and spent acid neutralization filtrate recycling device according to claim 4, characterized in that, The connecting pipe is fixedly installed with a protective frame.
6. The lime milk and spent acid neutralization filtrate recycling device according to claim 1, characterized in that, The processing box is provided with a pressure boosting mechanism for boosting the pressure in the processing box, the pressure boosting mechanism including a pressure boosting pump fixedly installed on the outer wall of one side of the processing box and a bend pipe fixedly installed on the processing box and in communication with the pressure boosting pump.
7. The lime milk and spent acid neutralization filtrate recycling device according to claim 1, characterized in that, The recovery box is provided with a discharge pipe for discharging the filtrate collected in the recovery box, and the recovery box is provided with a transparent observation port.