CN215654104U - Self-cleaning type negative pressure suction filtration solid-liquid separation recovery device - Google Patents
Self-cleaning type negative pressure suction filtration solid-liquid separation recovery device Download PDFInfo
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- CN215654104U CN215654104U CN202121367013.4U CN202121367013U CN215654104U CN 215654104 U CN215654104 U CN 215654104U CN 202121367013 U CN202121367013 U CN 202121367013U CN 215654104 U CN215654104 U CN 215654104U
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Abstract
The utility model relates to a self-cleaning type negative pressure suction filtration solid-liquid separation and recovery device, belonging to a repeated washing treatment device. The vacuum machine is connected with the liquid storage tank, the liquid storage tank is connected with the metal sintering microporous filter through the suction filter valve, the metal sintering microporous filter is fixed on the washing kettle, the bottom of the washing kettle is connected with the positive pressure solid-liquid separator through the discharge valve, the positive pressure gas source is connected with the plurality of metal sintering microporous filters through the cleaning valves, and the positive pressure gas source is connected with the positive pressure solid-liquid separator through the suction filter valve. The advantage is novel structure, and metal sintering microporous filter combines the solid-liquid separation that negative pressure suction filtration technology realized powder material, and the clear powder loss of filtrating is little to cooperation washing cauldron is interior to be strong washing repeatedly, has realized filtering in the powder material cauldron, when reducing the material loss, reduces personnel's input, and is efficient.
Description
Technical Field
The utility model relates to a repeated washing treatment device in the preparation process of a powder material, in particular to a self-cleaning type negative-pressure suction filtration solid-liquid separation and recovery device which adopts a gas negative-pressure suction filtration method to carry out solid-liquid separation and combines a gas positive-pressure blow-off method to realize self-cleaning of equipment and recovery of materials.
Background
Various functional powder materials are successfully prepared by adopting different process methods in industrial production, the particle size of the powder materials gradually tends to be superfine along with the improvement of science and technology, various anions and cations are remained in the wet preparation process, the performance of the powder materials can be influenced if the powder materials are not cleaned, and the powder materials have small particle size, large specific surface area, strong surface physical and chemical effects and strong agglomeration tendency. Solid-liquid heterogeneous high-efficiency solid-liquid separation in the split washing process is extremely difficult, and the traditional gravity settling time period is longer due to Brownian movement of particles; the filter press technology which takes filter cloth as a filter medium realizes the interception of particles by the bridging action of the particles of a filter cake layer, if the particles are smaller, the formed filter cake layer is more compact, along with the continuous thickening of the filter cake layer, the filtering resistance is large, the filtering speed is smaller and smaller, the filter cake of the filter press is difficult to wash, the washing effect is poor, and the operation labor intensity is high; if centrifugal separation is adopted, the centrifugal washing operation is complex, the process operation is complex, the labor intensity is high, the method can only be applied to the solid-liquid separation at the tail end of the production process, and the efficiency is low. Under such a background, it is necessary to research a device capable of solving the problem of repeated cleaning and washing of powder materials of enterprises.
Disclosure of Invention
The utility model provides a self-cleaning type negative pressure suction filtration solid-liquid separation and recovery device, which aims to realize a washing process for industrial production of powder materials and realize self-cleaning of equipment and material recovery by combining a gas positive pressure stripping method.
The technical scheme adopted by the utility model is as follows: the device comprises a vacuum machine, a liquid storage tank, a metal sintering microporous filter, a washing kettle, a positive pressure solid-liquid separator, a positive pressure gas source, a cleaning valve, a suction filter valve, a discharge valve and a pressure filter valve, wherein the vacuum machine is connected with the liquid storage tank, the liquid storage tank is connected with the metal sintering microporous filter through the suction filter valve, the metal sintering microporous filter is fixed on the washing kettle, the bottom of the washing kettle is connected with the positive pressure solid-liquid separator through the discharge valve, the positive pressure gas source is connected with a plurality of metal sintering microporous filters through the cleaning valve, and the positive pressure gas source is connected with the positive pressure solid-liquid separator through the pressure filter valve.
The metal sintering microporous filter comprises a metal powder sintering filter head and a liquid guide pipe, wherein the upper end of the metal powder sintering filter head is fixedly connected with the lower end of the liquid guide pipe, and the upper end of the liquid guide pipe is fixed on a washing kettle.
The washing kettle comprises a closed kettle body, a turbulent flow plate, a dispersion stirrer, a medicament feeding port and a gas collecting port, wherein the turbulent flow plate is fixed on the inner wall of the closed kettle body, the dispersion stirrer is fixed in the closed kettle body, and the closed kettle body is provided with a material and medicament feeding port and a gas collecting port.
The utility model has the advantages that the structure is novel, the metal sintering microporous filter is combined with the negative pressure suction filtration technology to realize the solid-liquid separation of the powder material, the loss of the clear powder of the filtrate is small, and the repeated strong washing in the washing kettle is matched, so the filtering in the washing kettle in the powder material kettle is realized, the washing process without manual intervention is realized, the loss of the material is reduced, the personnel input efficiency is high, a multi-stage liquid storage tank can be added according to the process requirement, and the classified collection and storage of the mother liquor prepared from the powder material and different washing agents are realized.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
Referring to fig. 1, the device comprises a vacuum machine 1, a liquid storage tank 2, metal sintering microporous filters 3, a washing kettle 4, a positive pressure solid-liquid separator 5, a positive pressure gas source 6, a cleaning valve 7, a suction filter valve 8, a discharge valve 9 and a filter pressing valve 10, wherein the vacuum machine 1 is connected with the liquid storage tank 2, the liquid storage tank 2 is connected with a plurality of metal sintering microporous filters 3 through the suction filter valve 8, the metal sintering microporous filters 3 are fixed on the washing kettle 4, the bottom of the washing kettle 4 is connected with the positive pressure solid-liquid separator 5 through the discharge valve 9, the positive pressure gas source 6 is connected with the plurality of metal sintering microporous filters 3 through the cleaning valve 7, and the positive pressure gas source 6 is connected with the positive pressure solid-liquid separator 5 through the filter pressing valve 10.
The metal sintering microporous filter 3 comprises a metal powder sintering filter head 31 and a liquid guide pipe 32, wherein the upper end of the metal powder sintering filter head 31 is fixedly connected with the lower end of the liquid guide pipe 32, the upper end of the liquid guide pipe 32 is fixed on the washing kettle 4, and the lower end of the metal powder sintering filter head 31 extends to the upper surface of solid materials in the washing kettle 4;
the washing kettle 4 comprises a closed kettle body 41, a turbulent flow plate 42, a dispersion stirrer 43, a medicament feeding port 44 and a gas collecting port 45, wherein the turbulent flow plate 42 is fixed on the inner wall of the closed kettle body 41, the dispersion stirrer 43 is fixed inside the closed kettle body 41, and the closed kettle body 41 is provided with the material and medicament feeding port 44 and the gas collecting port 45.
The working process is as follows:
the method comprises the following steps that powder material slurry prepared by a wet method enters a washing kettle 4 from a material and medicament feeding port 44, a suction filter valve 8 is opened, a vacuum machine 1 is started, a certain vacuum degree is generated inside a liquid storage tank 2 under the action of the vacuum machine 1, so that a plurality of metal sintering microporous filters 3 communicated with the vacuum machine generate a certain vacuum degree, the material inside the washing kettle 4 starts to be sucked, but the powder material slurry is separated from solid under the microporous filtering action of metal powder sintering filter heads 31 of the metal sintering microporous filters 3, the liquid enters the liquid storage tank 2 from the metal powder sintering filter heads 31 through a liquid guide pipe 32 and a suction filter valve 8 and is collected, and the powder material is left inside the washing kettle 4; closing the suction filter valve 8 after the solid-liquid separation is finished, adding a certain amount of washing agent into the cleaning kettle 4 through the material and agent adding port 44 again, starting the dispersion stirrer 43 of the cleaning kettle, matching with the turbulent flow plate 42 to enable the washing agent and the powder material to be mixed uniformly by force to finish the washing process, stopping the dispersion stirrer 43 after the washing is finished, opening the suction filter valve 8 again to start suction filtration to finish the solid-liquid separation, possibly causing the surface blockage of the metal powder sintering filter head 31 of the metal sintering microporous filter 3 in the process of repeatedly washing and suction filtration for a long time, opening the cleaning valve 7 at the moment, starting the air compressor 6, carrying out gas purging and cleaning on the metal powder sintering filter head 31 of the metal sintering microporous filter 3 by positive pressure gas, opening the liquid discharge valve 9 after the powder material is cleaned, enabling the metal powder washing slurry to enter the positive pressure solid-liquid separator 5, and opening the pressure filter valve 10, the positive pressure filter realizes solid-liquid separation, the final recovery of the powder material is completed, and the gas generated in the washing process of the washing powder is collected and treated through the gas collecting port 45.
Claims (3)
1. The utility model provides a self-cleaning formula negative pressure suction filtration solid-liquid separation recovery unit which characterized in that: the device comprises a vacuum machine, a liquid storage tank, a metal sintering microporous filter, a washing kettle, a positive pressure solid-liquid separator, a positive pressure gas source, a cleaning valve, a suction filter valve, a discharge valve and a pressure filter valve, wherein the vacuum machine is connected with the liquid storage tank, the liquid storage tank is connected with the metal sintering microporous filter through the suction filter valve, the metal sintering microporous filter is fixed on the washing kettle, the bottom of the washing kettle is connected with the positive pressure solid-liquid separator through the discharge valve, the positive pressure gas source is connected with a plurality of metal sintering microporous filters through the cleaning valve, and the positive pressure gas source is connected with the positive pressure solid-liquid separator through the pressure filter valve.
2. The self-cleaning type negative pressure suction filtration solid-liquid separation and recovery device of claim 1, which is characterized in that: the metal sintering microporous filter comprises a metal powder sintering filter head and a liquid guide pipe, wherein the upper end of the metal powder sintering filter head is fixedly connected with the lower end of the liquid guide pipe, and the upper end of the liquid guide pipe is fixed on a washing kettle.
3. The self-cleaning type negative pressure suction filtration solid-liquid separation and recovery device of claim 1, which is characterized in that: the washing kettle comprises a closed kettle body, a turbulent flow plate, a dispersion stirrer, a medicament feeding port and a gas collecting port, wherein the turbulent flow plate is fixed on the inner wall of the closed kettle body, the dispersion stirrer is fixed in the closed kettle body, and the closed kettle body is provided with a material and medicament feeding port and a gas collecting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367013.4U CN215654104U (en) | 2021-06-20 | 2021-06-20 | Self-cleaning type negative pressure suction filtration solid-liquid separation recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367013.4U CN215654104U (en) | 2021-06-20 | 2021-06-20 | Self-cleaning type negative pressure suction filtration solid-liquid separation recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215654104U true CN215654104U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121367013.4U Active CN215654104U (en) | 2021-06-20 | 2021-06-20 | Self-cleaning type negative pressure suction filtration solid-liquid separation recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215654104U (en) |
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2021
- 2021-06-20 CN CN202121367013.4U patent/CN215654104U/en active Active
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