CN215855613U - Filtering and recycling system for descaling suspension - Google Patents
Filtering and recycling system for descaling suspension Download PDFInfo
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- CN215855613U CN215855613U CN202121637529.6U CN202121637529U CN215855613U CN 215855613 U CN215855613 U CN 215855613U CN 202121637529 U CN202121637529 U CN 202121637529U CN 215855613 U CN215855613 U CN 215855613U
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Abstract
The utility model discloses a filtration and recovery system of descaling suspension, which relates to the technical field of mixed jet descaling and comprises a descaling box, wherein two descaling devices and two cleaning devices are oppositely arranged in the descaling box, the descaling devices are connected with an abrasive material supply system and a descaling water body supply system, the cleaning devices are connected with a cleaning water body supply system, the discharge end of the descaling box is connected with the abrasive material supply system through a pipeline, the upper part of the descaling box is provided with an overflow port, the liquid discharge end of the overflow port is connected with the liquid inlet end of an adjusting tank, the liquid discharge end of the lower part of the adjusting tank is connected with the liquid inlet end of a cyclone separator, the liquid discharge end of the cyclone separator is connected with the liquid inlet end of the adjusting tank through a pipeline, and the discharge end of the cyclone separator is connected with the descaling box or the abrasive material supply system through a pipeline; the liquid discharge end at the upper part of the adjusting tank is connected with the liquid inlet end of the magnetic filter tank, and the first liquid outlet end of the magnetic filter tank is connected with the liquid inlet end of the descaling water body supply system, so that the requirements of a descaling process on different water qualities can be fully met.
Description
Technical Field
The utility model relates to the technical field of mixed jet descaling, in particular to a filtering and recycling system for descaling suspension.
Background
At present, the mixed jet descaling technology is widely applied to removing iron scales on the surfaces of various steel products so as to replace the pickling process with prominent environmental pollution problem. The basic principle of the mixed jet descaling technology is that a mixed medium of water and abrasive (usually steel abrasive) is accelerated by using a high-pressure water nozzle or a rotating impeller and then impacts on the surface of steel to be descaled, and the surface scale is removed through the beating and grinding action of abrasive particles and the scouring action of a water body. During descaling, the following media are therefore continuously produced: abrasive particles that can continue to be recycled; abrasive powder that fails due to reduced breakage; scale powder cleaned from the surface of the steel; in order to realize the continuity of production, the descaling suspension needs to be filtered, and the abrasive powder and the scale powder in the descaling suspension are filtered out from the water body, so that the water quality after filtering can meet the requirement of recycling.
The Chinese patent publication No. CN109179611A discloses a suspension rapid precipitation method and system for abrasive jet descaling, and the technical scheme for treating the descaling wastewater provided by the patent is mainly to realize the coagulation and precipitation of abrasive particles and solid powder in the suspension by adding a coagulant and a flocculant into the suspension and combining a multi-stage sedimentation tank. However, the coagulant and the flocculant contain various ion components, and long-term addition of the coagulant and the flocculant may cause ion concentration enrichment of water, so that the water quality is deteriorated, and finally the water in the system cannot be used continuously.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide a filtering and recycling system for descaling suspension, and aims to solve the technical problem that water cannot be recycled in the descaling process in the prior art.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a filtering and recycling system for descaling suspension comprises a descaling box, wherein two descaling devices and two cleaning devices are arranged in the descaling box, the two descaling devices are arranged oppositely, the descaling devices are connected with an abrasive material supply system and a descaling water supply system, the cleaning devices are connected with a cleaning water supply system, the discharge end of the descaling box is connected with the abrasive material supply system through a pipeline, the upper part of the descaling box is provided with an overflow port, the liquid discharge end of the overflow port is connected with the liquid inlet end of an adjusting tank, the liquid discharge end of the lower part of the adjusting tank is connected with the liquid inlet end of a cyclone separator, the liquid discharge end of the cyclone separator is connected with the liquid inlet end of the adjusting tank through a pipeline, and the discharge end of the cyclone separator is connected with the descaling box or the abrasive material supply system through a pipeline;
the liquid discharge end at the upper part of the adjusting tank is connected with the liquid inlet end of the magnetic filter tank, and the first liquid outlet end of the magnetic filter tank is connected with the liquid inlet end of the descaling water supply system.
Preferably, the second liquid outlet end of the magnetic filter box is connected with the liquid inlet end of the paper tape filter box, and the liquid outlet end of the paper tape filter box is connected with the liquid inlet end of the cleaning water supply system.
Preferably, a valve is arranged at the second liquid outlet end of the magnetic filter box.
Preferably, the liquid outlet end of the paper tape filter box is provided with a cleaning pump.
Preferably, the paper tape filtering tank is connected with a used paper collecting box.
Preferably, the discharge end of the magnetic filter box is connected with the feed end of the iron mud collecting box.
Preferably, the liquid discharge end at the lower part of the regulating tank is connected with the liquid inlet end of the cyclone separator through a cyclone pump.
Preferably, the cleaning device is a cleaning nozzle arranged obliquely.
Preferably, the lower part of the descaling box is a cone.
After the technical scheme is adopted, the utility model has the beneficial effects that:
according to the utility model, the regulating tank, the cyclone separator and the magnetic filter box are arranged to filter and purify suspension liquid generated in the descaling box, so that the grinding materials are separated from the water body, the separated grinding materials can be recycled, and the separated water body can meet the water requirement of the descaling device and can be recycled.
The water body separated from the magnetic filter box is further purified in the paper tape filter box by arranging the paper tape filter box, and the water body purified by the paper tape filter box can meet the water requirement of the cleaning device.
By arranging the valve, whether the water body separated from the magnetic filter tank enters the paper tape filter tank or not can be controlled by the valve, and the next step of filtering and purifying is carried out to obtain the water body meeting the water consumption requirement of the cleaning device.
In conclusion, the utility model solves the technical problem that water cannot be recycled in the descaling process in the prior art, the filtration and recovery system of the descaling suspension liquid is simple and compact, occupies small area, has strong flexibility, adopts a combination form of multiple filtration modes, and can fully meet the requirements of the mixed jet descaling process on different water qualities.
Drawings
FIG. 1 is a schematic view of a filtration recovery system for a descaling suspension according to the present invention.
In the figure, 1-a descaling box, 10-an overflow port, 2-a descaling device, 3-a cleaning device, 4-a grinding box, 5-a regulating tank, 50-a cyclone pump, 51-a lift pump, 6-a cyclone separator, 7-a magnetic filter box, 70-a magnetic filter, 71-an iron mud collecting box, 72-a first liquid outlet end, 73-a second liquid outlet end, 74-a valve, 75-a water supply pump, 8-a paper tape filter box, 80-a cleaning pump, 81-a filter paper tape, 82-a waste paper collecting box, 83-a conveying roller and 9-a workpiece.
Detailed Description
The utility model is further elucidated with reference to the drawing.
All the orientations referred to in the specification are based on the orientation of the filtering and recovering system for descaling suspension liquid in the utility model during normal operation, and the orientations are not limited during storage and transportation, and only represent relative position relations, but not absolute position relations.
As shown in figure 1, the filtration and recovery system of the descaling suspension comprises a descaling box 1, two opposite descaling devices 2 are arranged in the descaling box, two opposite cleaning devices 3 are arranged on one side of the two opposite descaling devices 2, the two descaling devices 2 are symmetrically arranged about a workpiece 9 to be descaled, the two cleaning devices 3 are also symmetrically arranged about the workpiece 9 to be descaled, preferably, the cleaning devices 3 are obliquely arranged cleaning nozzles, the descaling devices 2 are connected with an abrasive material supply system and a descaling water supply system, the abrasive material supply system and the descaling water supply system supply abrasive material and water to the descaling devices 2 according to a certain proportion, the abrasive material and the water are mixed in the descaling devices 2 according to a certain proportion, the mixed fluid removes scale on the workpiece 9 in a high-speed jet state, the cleaning devices 3 are connected with a cleaning water supply system, after the descaling device 2 removes oxide skins on the surface of a workpiece 9, the cleaning device 3 washes the surface of the workpiece 9 to wash out the oxide skins and abrasive materials left by the previous descaling, the discharge end of the descaling box 1 is connected with an abrasive material supply system through a pipeline, the discharge end of the descaling box 1 is positioned at the bottom of the descaling box, abrasive particles are deposited at the bottom of the descaling box 1 under the action of gravity, and after being discharged through the discharge end of the descaling box 1, the abrasive particles enter the abrasive material supply system and continue to supply abrasive materials to the descaling device 2;
the upper part of the descaling box 1 is provided with an overflow port 10, the liquid discharge end of the overflow port 10 is connected with the liquid inlet end of the regulating tank 5, suspension formed by mixing abrasive powder, scale powder and descaling water enters the regulating tank 5 through the overflow port 10 for separation, the liquid discharge end of the lower part of the regulating tank 5 is connected with the liquid inlet end of the cyclone separator 6 through the cyclone pump 50, the liquid discharge end of the cyclone separator 6 is connected with the liquid inlet end of the regulating tank 5 through a pipeline, the discharge end of the cyclone separator 6 is connected with the descaling box 1 or an abrasive supply system through a pipeline, a small amount of available abrasive particles possibly exist after the suspension enters the regulating tank 5, the abrasive particles are precipitated under the action of gravity, the abrasive particles enter the abrasive supply system through the discharge end of the lower part of the regulating tank 5 and continue to provide abrasive to the descaling device 2, the suspension in the regulating tank 5 is conveyed to the cyclone separator 6 by the cyclone pump 50, and the abrasive particles in the suspension have higher specific gravity, and the suspension enters the descaling box 1 or the abrasive feeding system from the discharge end at the bottom of the cyclone separator 6 and is continuously recycled, and the suspension enters the regulating tank 5 from the discharge end at the top of the cyclone separator 6 and is continuously separated from the abrasive particles.
The bottom of the descaling box 1 is preferably conical so that the abrasive particles settle more quickly.
The liquid discharge end of the upper part of the adjusting tank 5 is connected with the liquid inlet end of the magnetic filter tank 7, the first liquid outlet end 72 of the magnetic filter tank 7 is connected with the liquid inlet end of the descaling water body supply system through a water supply pump 75, preferably, the liquid discharge end of the upper part of the adjusting tank 5 is provided with a lift pump 51, the suspension liquid in the adjusting tank 5 is conveyed into the magnetic filter tank 7 through the lift pump 51, a magnetic filter 70 is arranged in the magnetic filter tank 7, the magnetic filter 70 adsorbs scale powder and abrasive powder in the suspension liquid, the purified suspension liquid can meet the use requirement of the descaling water body, the purified suspension liquid enters the descaling water body supply system, and the descaling water body is continuously provided for the descaling device 2.
Preferably, the discharge end of the magnetic filter tank 7 is connected to the feed end of the iron mud collection tank 71, and the scale powder and the abrasive powder filtered by the magnetic filter 70 are discharged into the iron mud collection tank 71.
Wherein, the second liquid outlet end 73 of the magnetic filter box 7 is connected with the liquid inlet end of the paper tape filter box 8, the liquid outlet end of the paper tape filter box 8 is connected with the liquid inlet end of the water supply system through a cleaning pump 80, a filter paper tape 81 is arranged in the paper tape filter box 8, the descaled water purified in the magnetic filter box 7 enters the paper tape filter box 8, the filter paper tape 81 in the paper tape filter box 8 separates water and suspended matters, the water passes through the filter paper tape 81 to reach the bottom of the paper tape filter box 8 under the action of gravity, the suspended matters in the water are intercepted by the filter paper tape 81, the water filtered by the filter paper tape 81 can meet the use requirement of the cleaning water, the prepared cleaning water enters the cleaning water supply system after being cleaned by the cleaning pump 80, the cleaning water is continuously provided for the cleaning device 3, preferably, the paper tape filter box 8 is connected with a waste paper collecting box 82, the filter paper tape 81 is under the action of a conveying roller 83 and a driving motor (not shown in the figure), to the used paper collection box 82.
Preferably, the second liquid outlet end 73 of the magnetic filter box 7 is provided with a valve 74, and the valve 74 can perform secondary filtration on whether the scale-removed water purified in the magnetic filter box 7 enters the paper tape filter box 8 to obtain a cleaning water body.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception, and fall within the scope of the present invention.
Claims (9)
1. A filtration and recovery system of descaling suspension comprises a descaling box, wherein two descaling devices and two cleaning devices are arranged in the descaling box, the two descaling devices are arranged oppositely, the descaling devices are connected with an abrasive material supply system and a descaling water supply system, and the cleaning devices are connected with a cleaning water supply system;
and the liquid discharge end at the upper part of the adjusting tank is connected with the liquid inlet end of the magnetic filter tank, and the first liquid outlet end of the magnetic filter tank is connected with the liquid inlet end of the descaling water body supply system.
2. The system for filtering and recycling a descaling suspending liquid according to claim 1, wherein the second outlet end of the magnetic filter tank is connected with the inlet end of the paper tape filter tank, and the outlet end of the paper tape filter tank is connected with the inlet end of the cleaning water supply system.
3. The system for filtering and recycling a descaling suspending liquid according to claim 2, wherein the second outlet end of the magnetic filter box is provided with a valve.
4. The system for filtering and recovering a scale removing suspension according to claim 2, wherein said tape filter box is provided at the outlet end thereof with a washing pump.
5. The system for filtering and recycling descaling suspension according to claim 2, wherein the strip filter box is connected with a used paper collection box.
6. The system for filtering and recovering a descaling suspending liquid according to claim 1, wherein the discharge end of the magnetic filter box is connected with the feed end of the iron mud collecting box.
7. The system for filtering and recovering a descaling suspending liquid according to claim 1, wherein the liquid discharge end of the lower part of the adjusting tank is connected with the liquid inlet end of the cyclone separator through a cyclone pump.
8. The system for filtering and recovering a descaling suspending fluid according to claim 1, wherein the cleaning means is an inclined cleaning nozzle.
9. A system for filtering and recovering a descaling suspension according to any one of claims 1 to 8, wherein the lower part of the descaling box is a cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121637529.6U CN215855613U (en) | 2021-07-19 | 2021-07-19 | Filtering and recycling system for descaling suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121637529.6U CN215855613U (en) | 2021-07-19 | 2021-07-19 | Filtering and recycling system for descaling suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215855613U true CN215855613U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121637529.6U Active CN215855613U (en) | 2021-07-19 | 2021-07-19 | Filtering and recycling system for descaling suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215855613U (en) |
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2021
- 2021-07-19 CN CN202121637529.6U patent/CN215855613U/en active Active
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