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Harmless purification device for treating medical wastes

A technology for purifying equipment and medical waste, applied in filtration treatment, special treatment targets, anaerobic digestion treatment, etc., can solve problems such as high cost and easy blockage, improve the success rate, facilitate cleaning treatment, and improve the level of secondary cleaning Effect

Active Publication Date: 2019-12-13
王冲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its core component ceramic membrane has excellent thermal stability and pore stability, not only high strength, but also chemical corrosion resistance, good cleaning and regeneration performance, and has the dual advantages of high-efficiency filtration and precision filtration. , easy to block and other defects of different degrees

Method used

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  • Harmless purification device for treating medical wastes
  • Harmless purification device for treating medical wastes
  • Harmless purification device for treating medical wastes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Material: hydroxyethyl cellulose (purchased from Sigma, viscosity 80-125cp), acetone (purchased from Sigma, concentration 99.5%), polyethylene glycol (purchased from Merck, Mw-285-315Da), Dolapix (purchased from Merck , CE 64), orthophosphoric acid (purchased from Merck), calcium hydroxide (purchased from Merck), hydrochloric acid (HCl, chemically pure), sodium hydroxide (NaOH, chemically pure), the materials required for the following tests, unless otherwise specified , the sources are all commercially available.

[0025] Step 1, the molar ratio is 1.67 Ca(OH) 2 , and H 3 PO 4 Mix well, prepare HAP powder by wet chemical precipitation method, keep the reaction environment at pH11-12 during the synthesis, then oven-dry the synthesized HAP at 80°C and calcinate at 800°C, after that, powder the HAP and save it for for further use.

[0026] Step 2, preparing novel chain compound. Specifically, add 3.25mL, 31mmol, 6 equivalents of thionyl chloride to 60ml of 1,2-propan...

Embodiment 2

[0031] The next step of preparation is based on the special-shaped filter pore ceramic membrane, such as figure 2 As mentioned above, the special-shaped porous ceramic membrane is a support layer, and a transition layer and a membrane separation layer are also loaded on the support layer. After joint curing, extend along the inner wall of the special-shaped filter pore ceramic membrane, place the special-shaped filter pore ceramic membrane in an electric arc furnace for sintering, gradually raise the temperature to 880-900°C, and fire for 1.5h, then raise the temperature to 920-1120°C, and fire for 0.5 h, finally lower the temperature to 850-870°C, keep it warm for 2h, and cool to obtain a secondary special-shaped filter pore ceramic membrane; the membrane separation layer is coated nano-silver ions (purchased from Dalian Hejian Technology Development Co., Ltd.), A new type of ceramic membrane is obtained by cross-linking and curing polyacrylamide on the transition layer and ...

Embodiment 3

[0033] In order to realize the replaceable performance of the ceramic membrane and the seamless connection with other purification elements, the present invention also provides a ceramic membrane filter with a structure such as image 3 As shown, it includes a ceramic membrane body 1, a first detachable connector 2, and a second detachable connector 3. The ceramic membrane body 1 includes a new ceramic membrane 11, a first sealing ring 12, a second sealing ring 13, a cleaning The first detachable connector 2 includes a third sealing ring 21 and a water outlet 22 , and the second detachable connector 3 includes a third sealing ring 31 and a water outlet 32 ​​. The ceramic membrane body 1 , the first detachable connector 2 , and the second detachable connector 3 are connected in conventional ways, including but not limited to screw connections, spline connections, interference connections, and riveting.

[0034] Utilize the ceramic membrane filter that this embodiment makes, car...

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Abstract

The invention provides a harmless purification device for treating medical waste. The device is a ceramic membrane filter, and the device comprises a ceramic membrane body, a first detachable connector and a second detachable connector. Bacteria, viruses and fungi are removed from the medical wastewater under the action of a grid, an ozone tank, a hydrolysis acidification chamber tank and a solid-liquid separation tank, remaining high-toxic substances are removed through connecting the ceramic membrane filters in series and in parallel, the parallel structure makes the wastewater in full contact with a filter layer to degrade non-degradable toxic and harmful substances into small molecular substances, and the series structure improves the secondary cleaning level of the wastewater, so themedical wastewater can reach discharge standards.

Description

technical field [0001] The invention relates to the field of medical waste treatment, in particular to harmless purification equipment for treating medical waste. Background technique [0002] Medical wastewater has attracted public attention many times. The discharge of medical wastewater has caused great harm to water resources and has become a "source" that endangers public health. In some areas, only a handful of hospitals can truly meet the national discharge standards. At present, irregular laws and weak awareness of environmental protection have resulted in the direct discharge of medical wastewater and the current situation of "high pollution and low governance" in major hospitals. [0003] Compared with industrial wastewater, medical wastewater has a greater impact on the environment and is more harmful. During the operation of the hospital, it is inevitable to produce directly or indirectly infectious, toxic and other harmful wastewater. The source of these wastew...

Claims

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Application Information

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IPC IPC(8): B01D71/02B01D69/10B01D69/02B01D67/00B01D65/06C02F9/14C02F1/44
CPCB01D65/02B01D67/0039B01D67/0041B01D69/02B01D69/105B01D71/02B01D71/024B01D71/025B01D2321/04B01D2321/168B01D2325/24C02F1/001C02F1/44C02F1/78C02F3/28C02F9/00C02F2103/003C02F2303/04
Inventor 张俊杰
Owner 王冲
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