CN217854889U - Multistage visual meticulous filter equipment of useless mercury - Google Patents
Multistage visual meticulous filter equipment of useless mercury Download PDFInfo
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- CN217854889U CN217854889U CN202222047484.8U CN202222047484U CN217854889U CN 217854889 U CN217854889 U CN 217854889U CN 202222047484 U CN202222047484 U CN 202222047484U CN 217854889 U CN217854889 U CN 217854889U
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Abstract
The utility model relates to a multistage visual meticulous filter equipment of mercury waste, including built-up connection's last cavity, mid portion and lower cavity, upper and lower cavity divide into the conical inner chamber structure in middle cylinder both ends that the size is the same, and the mid portion is the visual pipe of undergauge multistage filtration, and overall structure is the dumbbell shape of perpendicular setting from top to bottom. Go up the cavity and include upper portion entry seat and upper portion flange seat of mutual sealing connection from top to bottom, upper portion entry seat inner chamber is for invering the cylinder funnel shape, upper portion flange seat inner chamber is for the toper leak hopper-shaped, and both inner chambers bore are the same. The multi-stage membrane breaking purification, the buoyancy reverse circulation flushing filtration and the layered extraction purification can be realized by controlling the gravity difference and the flow direction of the system pressure and the fluid with different densities in the process, so that the normal-temperature physical separation and purification function of a mercury-impurity oxide membrane-water ternary combination system is realized, and the advantages of environmental protection, safety and reliability are realized.
Description
Technical Field
The utility model relates to a mercury purification purifies technical field, especially a multistage visual meticulous filter equipment of useless mercury.
Background
Mercury is a silvery white liquid metal, often called "mercury", and is the only metal that naturally exists in a liquid state at room temperature. The mercury has high density (13.6 g/cm < 3 >), low melting point (-38.87 ℃), boiling point of about 357 ℃, and important application in the fields of chemical industry, electrical appliances, instruments, medicine, metallurgy, military industry and new technology.
The rock core mercury intrusion method is widely used in the fields of laboratories of various oil fields in China and the industrial protection research field of energy geological nuclei, is used for detecting the porosity of concrete, mortar and the like in material science and engineering professional laboratories, is used for representing indexes such as air holes in the concrete and the like, and needs to consume a large amount of mercury when detecting a rock core sample every year, particularly the rock core mercury intrusion method is the most reliable method for determining the rock pore structure and knowing the stratum characteristics in the current geological laboratories, and has no better alternative detection means at present. The purity of the polluted mercury which is generated after the detection test and is contacted with the detection medium is reduced, the polluted mercury cannot be used continuously, meanwhile, part of mercury enters the hole of the rock core to form mercury-containing rock core toxic dangerous waste, if the polluted mercury cannot be timely and environmentally-friendly treated and purified, a large amount of storage has huge environmental protection safety risks, and even normal experiment development is influenced by the control limitation of the total quantity of the taken mercury, therefore, the mercury in the mercury-containing rock core needs to be timely extracted and reused, the purity of the generated mercury is generally lower than 98 percent and lower than the use standard, the low-crude mercury or the polluted mercury is purified and reused, the economic value is realized, the combined recycling is realized, and the environmental protection policy of the total quantity is reduced.
At present, mercury purification methods mainly comprise a high-temperature distillation method, a chemical-electrochemical method, cyclone separation purification, a high-temperature atomic steam + composite purification method and the like. The high-temperature distillation purification method has the defect that the danger of producing highly toxic mercury vapor is great; the chemical-electrochemical method has the problems that secondary pollution liquid is difficult to treat in an environment-friendly way and secondary pollution chains are retreated; besides the prior purification purity, the application scene of the cyclone separation purification equipment is not suitable for the small-scale and space-limited laboratory on-site purification scene.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multistage visual filter that goes up the purification technique and use through multistage filter-pressing rupture of membranes and reverse circulation of deionized water buoyancy and trace chemical reagent oxide under the normal atmospheric temperature condition. The utility model provides a visual meticulous filter equipment of useless mercury multistage, including built-up connection's last cavity, mid portion and lower cavity, upper and lower cavity divide into the conical inner chamber structure in the middle cylinder both ends that the size is the same, and the mid portion is the visual pipe of undergauge multistage filtration, and overall structure is the dumbbell shape of vertical setting from top to bottom, combines density difference and functional structure to realize the meticulous filtration of thick mercury through pressure, flow direction control.
Preferably, the upper cavity comprises an upper inlet seat and an upper flange seat which are hermetically connected up and down, the inner cavity of the upper inlet seat is in an inverted cylindrical funnel shape, the inner cavity of the upper flange seat is in a conical funnel shape, and the calibers of the inner cavities of the upper inlet seat and the upper flange seat are the same; the lower cavity comprises a lower flange seat and a lower outlet seat which are hermetically connected up and down, the inner cavity of the lower flange seat is an inverted conical funnel, and the inner cavity of the lower outlet seat is in a cylindrical funnel shape; the middle part is a necking cylindrical quartz glass hollow column, and an homocircular filter screen is arranged in the middle part; the periphery of the filter screen is hermetically connected with the glass column.
Preferably, the hollow column comprises an upper inner column and a lower inner column which are made of quartz glass, the upper inner column and the lower inner column are hollow cylinders, the bottom areas of the upper inner column and the lower inner column are the same, and the upper inner column and the lower inner column are hermetically connected through a flange and a sealing gasket; the inner part of the upper inner column is hermetically connected with a primary filter screen and a secondary filter screen which are in the same circle with the inner column; the lower inner column is internally and hermetically connected with a three-stage filter screen which is in an equal circle with the inner column and a stainless steel mesh sheet at the bottom; the top end of the upper inner column is hermetically connected with the bottom end of the inner cavity of the upper flange seat, the bottom end of the lower inner column is connected with the top end of the inner cavity of the lower flange seat, and the upper and lower connecting parts are respectively provided with a sealing ring for sealing connection; the hollow columns are respectively connected with the upper flange seat and the lower flange seat, and sealing rings are arranged at the joints for sealing connection.
The technical effects of the utility model are that: the normal-temperature multi-stage filter pressing membrane breaking and the deionized water buoyancy reverse flushing circulation method are used for preparing the mercury with higher purity, so that the huge risks of safety and environmental protection caused by toxic and harmful steam and leakage in the high-temperature distillation mercury purification process are reduced, and the secondary pollution liquid generated by the chemical-electrochemical mercury purification method is avoided, and the treatment cost and the operation cost are increased. The optimized functional structure formed by the upper and lower inverted cones, the middle diameter-reducing visible tube combination structure and the multi-stage screen filtering fully utilizes the advantages of normal-temperature physical purification, environmental protection and safety by fully utilizing the mercury as normal-temperature high-density liquid, high specific surface tension, the membrane breaking effect of an extrusion screen, the constant-pressure acceleration and constant-speed pressurization effects and the mercury-water combined buoyancy reverse circulation washing and purifying principle. Adopt middle quartz to be responsible for visual, conveniently observe the pollution deposit condition to clean and change the filter screen sieve, usable high temperature regeneration purifies supporting technique carries out the scrubbing operation to filtering visual quartz pipe simultaneously. Compact and reasonable structure and wide application range.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view of the multi-stage filtering net according to the embodiment of the present invention;
fig. 4 is a schematic structural view of the whole inner cavity of the embodiment of the present invention;
in the figure: 1. an upper quick connector, 2. An upper inlet seat; 3. an upper flange seat; 4. an upper O-ring seal; 5. a stud; 6. a lower flange seat; 7. a lower O-shaped seal ring; 8. a lower outlet seat; 9. a lower quick coupling; 10. a fluororubber seal ring; 11. a hollow column; 12. an O-shaped sealing ring is arranged on the inner part; 13. an extrusion ring; 14. an inner column 1;15. an inner middle O-shaped sealing ring; 16. inner column 2, 17, O-shaped sealing ring; 18. an inner lower O-shaped sealing ring; 19. a stainless steel mesh sheet; 20. and (4) a filter screen.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The technical scheme provides a multistage visual filter applied to the technology of membrane rupture through multistage filter pressing, reverse circulating flushing of buoyancy of deionized water and impurity removal and purification of trace chemical reagent oxides under the condition of normal temperature. The experimental filtering condition aiming at the specific crude mercury working condition can be optimized by adopting the mesh screen combination with different mesh numbers in the filter, so that the filtering, membrane breaking, purification and purification of a mixed liquid phase system consisting of impurity oxides and dust particles contained in mercury with the mercury purity of below 99.5 percent are realized under the normal temperature condition.
As shown in figures 1 and 2, the upper end and the lower end of the integral structure of the filtering device adopt dumbbell-like structures, namely the design of a cone and a cylindrical cone combined inner cavity, the middle of the integral structure adopts the combined connection of a reducing hole multistage filtering visual pipe, and the integral structure is a dumbbell structure vertically arranged from top to bottom. Waste mercury liquid flows in from the top of the upper end and flows out from the outlet of the lower end, and the outlet of the lower end is connected with a deionized water pipe and a circulating pump. The multi-stage membrane breaking purification, the buoyancy reverse circulation flushing filtration and the layered extraction purification can be realized by controlling the gravity difference and the flow direction of the system pressure and the fluid with different densities in the process, so that the normal-temperature physical separation and purification function of a mercury-impurity oxide membrane-water ternary combination system is realized, and the advantages of environmental protection, safety and reliability are realized.
The upper end of the filtering device can be connected with a filter press or a pressure source to provide pressure input.
The filtering device comprises an upper cavity, a middle necking quartz tube and a lower cavity from top to bottom.
The upper cavity body comprises an upper inlet seat 2 and an upper flange seat 3, the inner cavity of the upper inlet seat 2 is in an inverted cylindrical funnel shape, the inner cavity of the upper flange seat 3 is in a conical funnel shape, and the calibers of the inner cavities of the upper inlet seat and the upper flange seat are the same. The upper inlet seat 2 is positioned on the upper flange seat 3, and the inner cavities of the upper inlet seat and the upper flange seat are butted. An upper O-shaped sealing ring 4 which is larger than the inner cavity is arranged between the upper inlet seat 2 and the upper flange seat 3, and the upper O-shaped sealing ring and the upper flange seat are hermetically connected through a screw nut.
The inverted conical cylindrical design of the upper inlet seat 2 reduces the adsorption of mercury droplets and also maximizes the internal storage.
The upper inlet seat 2 and the upper flange seat 3 form a compact shape, which serves as the upper half of the closed mercury collecting chamber.
The toper design of upper portion flange seat 3, natural transition reduces inside mercury pearl and adsorbs, and the flange formula design can bear higher pressure, is convenient for simultaneously can not harm the dismouting.
The lower cavity is the same as the lower cavity in volume and comprises a lower flange seat 6 and a lower outlet seat 8, the lower flange seat 6 is the same as the upper flange seat 3 in size and opposite in direction, the lower outlet seat 8 is the same as the upper inlet seat 2 in size and opposite in direction, the lower flange seat 6 is positioned on the lower outlet seat 8, a lower O-shaped sealing ring 7 larger than the inner cavity is also arranged between the lower flange seat and the lower outlet seat and is in sealing connection with the lower cavity through screws and nuts.
The two sides of the upper flange seat 3 and the lower flange seat 6 are symmetrically connected with double-end studs 5. The upper and lower joints are connected through nuts and screws. The middle quartz cylinder is located within the stud 5.
The upper flange seat 3, the stud 5 and the lower flange seat 6 form a compaction shape, the upper part and the lower part are extruded and sealed up, the middle part is fixed firmly, and the whole device is integrated.
The inlet end at the top of the inner cavity of the upper inlet seat 2 is connected with a quick connector 1 which can be filled with high-purity nitrogen to generate protective gas in the cavity; the outlet end of the bottom of the inner cavity of the lower outlet seat 8 is connected with a quick connector 9, the quick connector 9 is connected with a deionized water pipe, the deionized water pipe is connected with a circulating pump, deionized water is pumped into the lower cavity through the quick connector 9, and floating and sinking and metal oxides in the crude mercury are washed from bottom to top, so that the further purification effect of the mercury is achieved.
One end of the quick joint is provided with threads, and the other end of the quick joint is provided with a quick joint, so that the whole quick joint is convenient to assemble and disassemble with the outside; the quick-connection joint can be changed into a one-head thread one-head double quick-connection joint.
As shown in FIG. 3, the middle quartz column is a cylindrical hollow column 11 made of quartz glass, the upper side of the middle quartz column is connected with the bottom end of the inner cavity of the upper flange seat 3, and the lower side of the middle quartz column is connected with the top end of the inner cavity of the lower flange seat 6. The middle is provided with a circular filter screen 20 which is vertical to the axial direction of the hollow column.
The middle part main part material is quartz glass, realizes visually, is convenient for observe the pollution state, in time washs or changes the filter screen.
Furthermore, a cylindrical hollow inner column 12 and an inner column 16 made of quartz glass are sequentially arranged in the hollow column 11 from top to bottom, have the same bottom area and are hermetically connected through a flange, an inner middle sealing ring 15 and screws and nuts.
The inner column 12 is internally provided with a primary filter screen and a secondary filter screen which are vertical to the axial direction of the inner column, the primary filter screen is positioned on the secondary filter screen and has a certain distance relatively, the filter screen is circular, and the size of the filter screen is equal to the bottom area of the inner column 12.
The inner column is internally provided with a three-stage filter screen and a stainless steel mesh sheet 19 which are vertical to the axial direction of the inner column, the filter screen is circular and has the same size with the bottom area of the inner column 16, and the stainless steel mesh sheet 19 is positioned at the bottom of the inner column 16. The periphery of the filter screen and the mesh sheet 19 are hermetically connected with the inner column.
The first filter screen is 100 meshes, the second filter screen is 150 meshes, the third filter screen is 200 meshes, and the filter screen can be replaced by a nylon screen. After certain pressure of filter pressing, the mercury liquid is filter-pressed step by step from top to bottom.
The three-level filter screen forms three-level filtration, filters pollution particles adsorbed in mercury liquid from large to small primarily and secondarily, has a filtering and membrane breaking effect under certain pressure, and overcomes the defect that surface tension filters aggregates with smaller primary particle size step by step.
According to the technical requirement of purity standard, a multi-stage filter screen combination design is adopted, and the screen mesh combination and the control frequency of the screening cycle period are replaced and optimized according to the characteristics of the filtered fluid, so that the expected purification standard of purity standard can be realized.
And extrusion rings 13 are arranged between the hollow column 11 and the inner column at positions corresponding to the first-stage filter screen, the second-stage filter screen and the third-stage filter screen. The damage of the inner column caused by the downward flow and extrusion of the mercury liquid is reduced.
The top of the inner column 12 is connected with the bottom end of the inner cavity of the upper flange seat 3, an inner upper O-shaped sealing ring 12 is arranged between the connecting positions of the top and the inner column, the bottom of the inner column 16 is connected with the top end of the inner cavity of the lower flange seat 6, and an inner lower O-shaped sealing ring 18 is arranged between the connecting positions. Realize the sealing connection and avoid the side leakage of the mercury liquid.
The top of the hollow column 11 is connected with the upper flange seat 3, a fluororubber sealing ring 10 is arranged between the top of the hollow column and the upper flange seat, the compression sealing is carried out, the inner upper O-shaped sealing ring 12 and the upper flange seat 3 are compressed tightly to form top sealing, and mercury can only penetrate out from the middle through hole without side leakage.
The bottom of the hollow column 11 is connected with the lower flange seat 6, and an O-shaped sealing ring 17 is arranged between the bottom of the hollow column and the lower flange seat for extrusion sealing. Similarly, the inner lower O-shaped sealing ring 18 and the lower flange seat 6 are tightly pressed to form top sealing, and mercury can only penetrate through the middle through hole without side leakage.
The quartz column structure on both sides is more withstand voltage, reduces the damaged condition.
The connecting ends of the two inner columns adopt a screw and nut detachable combined sealing structure, so that the disassembly, the cleaning, the part replacement and the repair are convenient; the flow system can realize the back flushing cleaning function under the condition of not being disassembled. The inlet and outlet quick assembly and disassembly structure can realize quick assembly, sealing and fault detection.
The upper and lower two parts of main body material is polytetrafluoroethylene, and the sealing washer is the fluorine glue material, all does not produce chemical reaction with mercury.
According to the technical scheme, the functional structure performs multi-stage filter pressing, membrane breaking, flushing and purification in a specially designed closed cavity (a visible filter) according to the principle that mercury is a normal-temperature maximum-density liquid phase and has huge density difference with a mechanical impurity particle oxidation membrane and water.
According to the multi-phase system large-density differential layer extraction principle, the buoyancy reverse circulating flushing filtration and layered extraction purification effects of the mercury-impurity oxide film-water ternary combination system are realized, the normal-temperature physical purification of mercury is realized, and the advantages of environmental protection, safety and reliability are achieved.
As shown in fig. 4, the structure of the entire inner cavity of the device is shown.
Whole cone structure in upper portion: mercury, impurities and water are subjected to immersion type gravity separation, so that pure mercury is in the lower layer, impurity mercury is in the middle, and water and floating dust are on the upper layer. Ensuring that purer mercury is preferentially filtered.
The middle diameter is reduced and a multi-stage filter screen with gradually reduced mesh is arranged, the filtering fineness is gradually increased, the diameter reduction generates a constant-pressure acceleration or constant-speed pressurization function, the friction membrane breaking effect on the surfaces of mercury beads or mercury aggregates is enhanced, the purification effect is improved, and the pollution condition can be visually observed and known through visual observation so as to replace the clean filter screen in time.
The lower cone is used for collecting mercury at the bottom, concentrating the mercury and preventing the mercury from remaining at an outlet, wherein the mercury is liquid flowing at normal temperature and has the highest density;
2. mercury has been filtered to high purity in this cavity, but still probably has some more minute impurity micronic dust, and the oxide film need be pumped into by its bottom with circulating pump high purity deionized water, because the huge density difference of mercury water, the water that gets into lower part cone bottom entry is washed to whole tertiary filter top buoyancy lift circulation by the bottom under the buoyancy, can wash the further purification of mercury through the tertiary filtration of undergauge, and then improves purifying effect.
The utility model provides a multistage filter-pressing rupture of membranes reverse circulation washes purification technology realizes filtering rupture of membranes extraction separation purification's purpose many times under normal atmospheric temperature, compares with traditional purification method, not only can reduce cost effectively, has also eliminated simultaneously that vacuum high temperature purification has highly toxic mercury vapour and chemistry-electrochemical method to produce secondary chemical pollution's drawback.
Claims (9)
1. The utility model provides a multistage visual meticulous filter equipment of useless mercury, its characterized in that, is including built-up connection's last cavity, mid portion and lower cavity, upper and lower cavity divide into the conical inner chamber structure in middle cylinder both ends that the size is the same, and the mid portion is the visual pipe of undergauge multistage filtration, and overall structure is the dumbbell shape of vertical setting from top to bottom, and useless mercury liquid is followed go up cavity top entry entering, follow cavity bottom export flows out down.
2. The multistage visual fine filtering device for waste mercury according to claim 1, wherein the upper cavity comprises an upper inlet seat and an upper flange seat which are hermetically connected with each other from top to bottom, an inner cavity of the upper inlet seat is in an inverted cylindrical funnel shape, an inner cavity of the upper flange seat is in a conical funnel shape, and the calibers of the inner cavities of the upper inlet seat and the upper flange seat are the same;
the lower cavity comprises a lower flange seat and a lower outlet seat which are hermetically connected up and down, the inner cavity of the lower flange seat is an inverted conical funnel, the inner cavity of the lower outlet seat is in a cylindrical funnel shape, and the calibers of the inner cavities of the lower flange seat and the lower outlet seat are the same;
the middle part is a necking cylindrical quartz glass hollow column, and a plurality of homocircular filter screens with different holes are arranged in the middle part; the periphery of the filter screen is in sealing connection with the hollow column, and the hollow column is connected with the inner cavity of the upper flange base and the lower flange base.
3. The multistage visual fine filtering device for the waste mercury according to claim 2, wherein a sealing ring is arranged between the inlet seat and the upper flange seat and is in sealing connection with the inlet seat through a screw and a nut; and a sealing ring is arranged between the lower flange seat and the outlet seat and is in sealing connection with the lower flange seat and the outlet seat through bolts and nuts.
4. The multistage visual fine filtering device for waste mercury according to claim 2, wherein stud bolts are symmetrically arranged on two sides between the upper flange seat and the lower flange seat and are fixedly connected with the upper flange and the lower flange through nut screws respectively.
5. The multistage visual fine filtering device for waste mercury according to claim 2, wherein the hollow column comprises an upper inner column and a lower inner column made of quartz glass, the upper inner column and the lower inner column are hollow cylinders and have the same bottom area, and the upper inner column and the lower inner column are hermetically connected through a flange and a sealing gasket;
the upper inner column and the lower inner column are internally and hermetically connected with a filter screen which is in an equal circle with the inner column; a stainless steel or Teflon mesh sheet is arranged at the bottom in the lower inner column; the top end of the upper inner column is hermetically connected with the outlet end at the bottom of the inner cavity of the upper flange seat, the bottom end of the lower inner column is connected with the inlet end at the top of the inner cavity of the lower flange seat, and the upper and lower connecting parts are respectively provided with a sealing ring for sealing connection; the hollow columns are respectively connected with the upper flange seat and the lower flange seat, and sealing rings are arranged at the joints for sealing connection.
6. The multistage visual fine filtering device for waste mercury according to claim 5, wherein 100-mesh and 160-mesh filtering screens are arranged above and below the upper inner column, and 200-mesh filtering screens are arranged on the lower inner column.
7. The multistage visual fine filtering device for waste mercury according to claim 5, wherein squeezing rings are respectively arranged between the hollow column and the inner column at the positions of the filtering screens.
8. The multistage visual fine filtering device for waste mercury according to claim 2, wherein the inlet end at the top of the inner cavity of the upper inlet seat is connected with a quick connector for filling nitrogen; the outlet end of the bottom of the inner cavity of the lower outlet seat is connected with a quick connector and used for connecting a deionized water pipe, the deionized water pipe is connected with a circulating pump, deionized water is pumped into the inner cavity of the lower outlet seat, and the inner cavity of the device is repeatedly washed from bottom to top.
9. The multistage visual fine filtering device for waste mercury according to claim 8, wherein the quick connector is in the form of a one-end screw thread and another-end quick connector.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222047484.8U CN217854889U (en) | 2022-08-05 | 2022-08-05 | Multistage visual meticulous filter equipment of useless mercury |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222047484.8U CN217854889U (en) | 2022-08-05 | 2022-08-05 | Multistage visual meticulous filter equipment of useless mercury |
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| CN217854889U true CN217854889U (en) | 2022-11-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944979A (en) * | 2023-01-09 | 2023-04-11 | 中洁亭雨(江苏)环境科技有限公司 | Pure device of thick mercury mechanical system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944979A (en) * | 2023-01-09 | 2023-04-11 | 中洁亭雨(江苏)环境科技有限公司 | Pure device of thick mercury mechanical system |
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Effective date of registration: 20230901 Address after: 224000 Room 302, building 1, No. 101, environmental protection Avenue, Tinghu District, Yancheng City, Jiangsu Province (28) Patentee after: Zhongjie Huanzhao (Jiangsu) Environmental Technology Co.,Ltd. Address before: 100000 No. 2006, unit 4, No. 69, Beichen West Road, Chaoyang District, Beijing Patentee before: BEIJING BRUNT TECHNOLOGY Co.,Ltd. |