Acid mud filtering device
The three-stage filtration system solves the problem of waste acid recovery in explosives production, achieving efficient filtration and recycling of waste acid, protecting equipment and saving resources.
Patent Information
- Application Number
- CN202422925433.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Waste acid produced during the production of explosives is difficult to recycle and reuse, resulting in significant processing challenges and waste.
Design an acid sludge filtration device, including a three-stage filtration system of cyclone filter, basket filter and microporous filter, to achieve three-stage filtration and recovery of waste acid through cyclone action, magnetic rod sleeve adsorption and microporous filtration.
It enables efficient filtration and recycling of waste acid, reduces the difficulty of post-production treatment of explosives, protects equipment, and saves resources.
Smart Images

Figure CN223504989U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of waste acid recovery, specifically to an acid sludge filtration device. Background Technology
[0002] The production process of nitration products in the design of explosives uses a large amount of acid. After the reaction is completed, a large amount of acid enters the sedimentation tank of the workshop and is pumped to the wastewater treatment workshop for neutralization before being discharged. When the amount of acid is large, it is difficult to handle, and direct discharge causes a large amount of acid waste, and it is impossible to recycle and reuse the waste acid. Summary of the Invention
[0003] This invention addresses the technical problem of the inability to recycle waste acid during the production of explosives by providing an acid sludge filtration device. This device can recycle waste acid generated during industrial production, removing impurities such as mud and iron filings from the waste acid.
[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: an acid sludge filtration device, including a support platform, on which a cyclone filter, a basket filter and a microporous filter are connected in series from left to right through pipes. A support frame is welded on the support platform below the basket filter. The basket filter is placed on the support frame. The side walls of the cyclone filter and the microporous filter are both welded with brackets. The bottom of the brackets is connected to the support platform by bolts.
[0005] Working principle: This utility model device enables acid sludge to be filtered and recycled through a three-stage filtration process consisting of a cyclone filter, a basket filter, and a microporous filter.
[0006] Primary filtration: A cyclone filter uses swirling current to separate solid particles suspended in a liquid. When liquid passes through a cyclone filter, the solid particles are separated by centrifugal force due to the spiral flow inside the cyclone and deposited at the bottom of the cyclone. The clean liquid flows out from the top of the cyclone, with a separation range of 50-1000 μm.
[0007] Two-stage filtration: In a basket filter, when liquid enters the filter screen through the main pipe, solid impurities are trapped inside the screen. Fine iron filings in the medium are adsorbed onto the magnetic rod sleeve, while clean fluid passes through the filter screen and exits through the filter outlet. For cleaning, unscrew the drain plug at the bottom of the main pipe to drain the fluid, remove the flange cover, take out the filter screen for cleaning, and then reinstall it. It can filter rust, sand, and small amounts of solid particles in liquids to protect equipment and piping fittings from wear and blockage, ensuring normal equipment operation. The separation range is 10-50μm.
[0008] Three-stage filtration: Microfiltration achieves filtration and separation. During filtration, the liquid passes through the microfiltration system, while small particles and dissolved substances pass through. During separation, the filter media separates the filtered-out substances from the unfiltered substances, thus achieving separation and purification. The separation range is 0.2-10 μm.
[0009] Furthermore, all pipelines are made of 316L stainless steel and lined with polytetrafluoroethylene (PTFE) on the inner surface.
[0010] Furthermore, the separation range of the cyclone filter is 50-1000μm.
[0011] Furthermore, the separation range of the basket filter is 10-50 μm.
[0012] Furthermore, the separation range of the microporous filter is 0.2-10 μm.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] This invention is the first to connect three filters in series for the filtration and recovery of acid sludge generated during the production of explosives; it reduces the difficulty of treating waste acid produced after explosives production and simultaneously achieves the recovery and reuse of large quantities of waste acid. This device is suitable for the filtration and recovery of acid sludge generated during the production of explosives and other industrial processes. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the acid sludge filtration device of this utility model.
[0016] The markings in the image are as follows:
[0017] 1-Cyclone filter, 2-Basket filter, 3-Microporous filter, 4-Support platform, 5-Support frame. Detailed Implementation
[0018] The present invention will be further described below with reference to specific embodiments. Example 1
[0019] like Figure 1 As shown, an acid sludge filtration device includes a support platform 4. A cyclone filter 1, a basket filter 2, and a microporous filter 3 are connected in series from left to right through pipes on the support platform 4. A support frame 5 is welded to the support platform 4 below the basket filter 2. The basket filter 2 is placed on the support frame 5. The side walls of the cyclone filter 1 and the microporous filter 3 are both welded with brackets. The bottom of the brackets is connected to the support platform 4 by bolts.
[0020] Furthermore, all pipelines are made of 316L stainless steel, and the inner surface of the pipelines is lined with polytetrafluoroethylene, which has corrosion resistance.
[0021] Furthermore, the separation range of the cyclone filter 1 is 50-1000μm.
[0022] Furthermore, the separation range of basket filter 2 is 10-50 μm.
[0023] Furthermore, the separation range of the microporous filter 3 is 0.2-10 μm.
[0024] Working principle: This utility model device enables acid sludge to be filtered and recovered through a three-stage filtration process: a cyclone filter 1, a basket filter 2, and a microporous filter 3.
[0025] Primary filtration: The cyclone filter 1 uses cyclone action to separate solid particles suspended in a liquid. When liquid passes through the cyclone filter, due to the spiral flow inside the cyclone, solid particles in the liquid are separated by centrifugal force and deposited at the bottom of the cyclone. The clean liquid flows out from the top of the cyclone, with a separation range of 50-1000μm.
[0026] Secondary filtration: Basket filter 2 works by trapping solid impurities within the filter screen after liquid enters through the main pipe. Fine iron filings in the medium are adsorbed onto the magnetic rod sleeve, while clean fluid passes through the filter screen and exits through the filter outlet. For cleaning, simply unscrew the drain plug at the bottom of the main pipe to drain the fluid, remove the flange cover, clean the filter screen, and reinstall it. This filter can remove rust, sand, and small amounts of solid particles from liquids, protecting equipment and piping components from wear and blockage, and ensuring normal equipment operation. The separation range is 10-50μm.
[0027] Three-stage filtration: The microporous filter (3) achieves filtration and separation. During filtration, the liquid passes through the microporous filter, while small particles and dissolved substances pass through. During separation, the filter medium separates the filtered-out substances from the unfiltered substances, thus achieving separation and purification of the substances. The separation range is 0.2-10 μm.
[0028] To ensure equipment quality and safety, the cyclone filter 1, basket filter 2, microporous filter 3, and all pipelines are made of 316L stainless steel with a PTFE lining for corrosion resistance. The three-stage filtration system is connected in series, and the filtration effects of the basket filter and microporous filter can be adjusted by the user to achieve different filtration results.
Claims
1. An acid sludge filtration device, characterized in that, The system includes a support platform (4), on which a cyclone filter (1), a basket filter (2) and a microporous filter (3) are connected in series from left to right via pipes. A support frame (5) is welded to the support platform (4) below the basket filter (2). The basket filter (2) is placed on the support frame (5). The side walls of the cyclone filter (1) and the microporous filter (3) are both welded with brackets. The bottom of the brackets is connected to the support platform (4) by bolts.
2. The acid sludge filtration device according to claim 1, characterized in that, All pipelines are made of 316L stainless steel and lined with polytetrafluoroethylene (PTFE) on the inner surface.
3. The acid sludge filtration device according to claim 1, characterized in that, The separation range of the cyclone filter (1) is 50-1000μm.
4. The acid sludge filtration device according to claim 1, characterized in that, The separation range of the basket filter (2) is 10-50 μm.
5. The acid sludge filtration device according to claim 1, characterized in that, The separation range of the microporous filter (3) is 0.2-10 μm.