CN114988513A - Box type adsorption and leaching equipment and adsorption and leaching method using same - Google Patents
Box type adsorption and leaching equipment and adsorption and leaching method using same Download PDFInfo
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- CN114988513A CN114988513A CN202210481894.5A CN202210481894A CN114988513A CN 114988513 A CN114988513 A CN 114988513A CN 202210481894 A CN202210481894 A CN 202210481894A CN 114988513 A CN114988513 A CN 114988513A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D11/02—Solvent extraction of solids
- B01D11/0215—Solid material in other stationary receptacles
- B01D11/0219—Fixed bed of solid material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0215—Solid material in other stationary receptacles
- B01D11/0253—Fluidised bed of solid materials
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Abstract
The invention provides a box type adsorption and leaching device and an adsorption and leaching method using the same, comprising a box body with a cavity therein and an open top or a cover, and the box type adsorption and leaching device is characterized in that a water permeable pipe is arranged at the bottom of the cavity of the box body, the water permeable pipe is connected with a lower pipe, the water permeable pipe and the upper part thereof are provided with fillers, and an overflow weir is arranged at the upper part of the cavity of the box body and is connected with an upper pipe. The adsorption, leaching or filtration treatment is realized by combining and matching one or more devices, the adsorption capacity of the adsorption filler is fully utilized in the treatment process, effective ingredients in the leached filler are fully dissolved, the resistance of the filtration filler is balanced, the adsorption, leaching or filtration treatment efficiency is improved, meanwhile, the water permeable pipe and the overflow weir are used as a water distribution and collection device, the lower pipe and the upper pipe are used as a water inlet pipe and a water outlet pipe, the operation and matching are more flexible and convenient, the backwashing effect is realized, and the blockage can be relieved.
Description
Technical Field
The invention relates to the technical field of adsorption and leaching equipment and sewage treatment, in particular to box-type adsorption and leaching equipment and an adsorption and leaching method using the same.
Background
The adsorption is to absorb the substance in the liquid phase into the solid phase, and the leaching is to dissolve the substance in the solid phase into the liquid phase, although the process principle is different, the process equipment is basically consistent, and the method mainly comprises a fixed bed reactor and a fluidized bed reactor. During adsorption or leaching reactions using fixed bed reactors, the following disadvantages tend to exist: the filler is difficult to replace, particularly the adsorption capacity of the adsorption filler is limited, and the effective components of the leached filler are difficult to be fully dissolved into a liquid phase, so that the adsorption and leaching reaction efficiency is low.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides box-type adsorption and leaching equipment and an adsorption and leaching method using the same.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a box adsorbs, leaches equipment, includes that its interior area cavity, top open or the box of taking the lid, and its characterized in that box cavity bottom is equipped with the pipe of permeating water, should permeate water the pipe and link to each other with the lower part pipe, and the pipe of permeating water is equipped with the filler above and, and box cavity upper portion is equipped with the overflow weir, and this overflow weir links to each other with the upper portion pipe. When the upper pipe is used as a water inlet pipe, the overflow weir is used for water distribution, the water permeable pipe is used for collecting seepage water passing through the adsorption filler, and the lower pipe is used as a water outlet pipe; or when the lower pipe is used as a water inlet pipe, the water permeable pipe is used as a water distribution pipe, the overflow weir is used for collecting water overflowing through the filler, and the upper pipe is used as a water outlet pipe; can realize the adsorption separation of target substances in the mixed solution, or realize the dissolution of effective components in the leached filler, or realize the solid-liquid separation of suspended matters in the mixed solution.
The water permeable pipe is a porous pipe or a steel wire spring pipe, and the outer wall of the water permeable pipe is provided with filter cloth.
One or more permeable pipes are arranged at the bottom of the cavity of the box body, and one or more permeable pipes are connected to the lower pipe, so that the permeable water flowing through the upper filler enters the permeable pipes and is discharged through the lower pipe; or the water entering from the lower pipe enters the filler after being distributed by the water permeable pipe.
The overflow weir is a ditch with teeth on the top, the overflow weir is arranged along the inner wall of the cavity of the box body or arranged in the cavity of the box body in an overhead manner through a bracket, and one or more overflow weirs are arranged; the inner end of the upper pipe penetrates through a corresponding through hole in the wall of the box body and extends into the bottom of the overflow weir; so that water overflowing from the filler in the cavity of the box body is uniformly collected through the overflow weir and is discharged through the upper pipe; or the water flowing in through the upper pipe enters the filler after being evenly distributed through the overflow weir; the upper pipe can also be used for discharging accumulated mud at the bottom of the overflow weir.
The box body is provided with a conventional hoisting assembly, and the hoisting assembly is matched and connected with conventional hoisting equipment and loading and unloading equipment to realize hoisting, loading and unloading of the whole box body.
The box sets up according to the not co-altitude many, and the height that highly is higher than next-level box of last one-level box, wherein:
the lower pipe of the upper-stage box body is connected with the upper pipe of the lower-stage box body, so that secondary series operation is realized;
or the lower pipe of the upper-stage box body is connected with the lower pipe of the lower-stage box body, so that secondary series operation is realized;
or the upper pipe of the upper-stage box body is connected with the upper pipe of the lower-stage box body, so that secondary series operation is realized;
or the upper pipe of the upper-stage box body is connected with the lower pipe of the lower-stage box body, so that the two-stage series operation is realized.
The upper and lower pipes between the upper and lower stage boxes are flexible pipes or/and rigid pipes, so that the connection is convenient and the two-stage series operation is realized.
Many box settings are on the fixed platform of co-altitude not, or the upper and lower superpose of many box, or many box settings are on the over-and-under type platform of difference, wherein: the box body arranged on the fixed platform or the box body overlapped up and down realizes the exchange of different heights through the existing hoisting equipment or hoisting equipment; the box bodies arranged on different lifting platforms realize different height changes through the lifting devices of the lifting platforms.
The invention relates to a method for adsorption and leaching by using the box type adsorption and leaching equipment, which is characterized by comprising the following steps:
A. top-down adsorption treatment
A1, feeding the mixed liquor into an overflow weir through an upper pipe;
a2, after further water distribution of the mixed solution through an overflow weir, uniformly flowing into a cavity of the box body and penetrating through the adsorption filler, so that the separated substances in the mixed solution are adsorbed on the adsorption filler, and the liquid phase continuously flows downwards;
a3, collecting the liquid phase flowing downwards to the lower pipe through the water permeable pipe and flowing out;
B. bottom-up adsorption treatment
B1, feeding the mixed solution into a water permeable pipe through a lower pipe, and allowing the mixed solution to flow out through the water permeable pipe;
b2, when the mixed liquid flowing out of the permeable pipe passes through the filler, the separated substances in the mixed liquid are adsorbed on the adsorption filler, and the liquid phase continues to flow upwards;
b3, the liquid phase flowing upwards enters an overflow weir and then flows out through an upper pipe;
C. leaching treatment
C1, the treatment step is the same as the step A of the top-down adsorption treatment or the step B of the bottom-up adsorption treatment, and only the adsorption filler is replaced by the leaching filler;
D. filtration treatment
D1, feeding the mixed solution into an overflow weir through an upper pipe for uniform water distribution;
d2, the mixed liquid after the water distribution evenly flows into the box cavity through the overflow weir, after the pipe that permeates water of box cavity bottom filters, the liquid phase gets into the lower part pipe through the pipe that permeates water and flows out, and suspended solid, particulate matter are intercepted outside the pipe that permeates water, progressively form to filter the filler to the mixed liquid that gets into after to further filter.
The invention has the following advantages and effects:
(1) when the fixed bed reactor is used for adsorption, leaching or filtering operation, corresponding fillers are involved, and the reactors need to be replaced and hoisted, lifted or carried along with the increase of the adsorption quantity in the adsorption fillers, the dissolution of effective components in the leaching fillers, the change of the thickness of the filtering fillers.
(2) When one box type adsorption and leaching device is used for independent operation, the adsorption capacity of the adsorption filler is difficult to be fully utilized, effective components in the leaching filler are difficult to be fully dissolved, the resistance change of the filtering filler is large, a plurality of box type adsorption and leaching devices are required to be operated in series, and the power of the series operation is provided by the height difference of the box type adsorption and leaching devices, so that the sequence conversion of the adsorption and leaching can be completed by changing the heights of different devices, the connection mode of an upper pipe and a lower pipe of a single device is changed in the conversion process, the reverse flow of a solid phase and a liquid phase is realized, the adsorption capacity of the adsorption filler is fully utilized, the effective components in the leaching filler are fully dissolved, or the resistance of the filtering filler is balanced, and the adsorption, leaching or filtering treatment efficiency is improved.
(3) Through the setting of the pipe of permeating water and upper portion overflow weir of tank cavity bottom, make and permeate water pipe and overflow weir each other and be the water distribution, the water-collecting device uses, and the lower part pipe of connecting the pipe of permeating water and the upper portion pipe of connecting the overflow weir each other are inlet tube, outlet pipe use, make the operation of box absorption, leaching equipment more nimble, convenient with the collocation, and the conversion between inlet tube and the outlet pipe is used in addition, has certain back flush effect, can alleviate the jam.
Drawings
FIG. 1 is a schematic diagram of the single box type adsorption and leaching apparatus of the present invention;
FIG. 2 is a schematic view of the use of two stacked box-type adsorption and leaching devices of the present invention;
FIG. 3 is a schematic view of the use of two box-type adsorption and leaching devices with different heights according to the present invention;
fig. 4 is a schematic view of two box-type adsorption and leaching devices of the invention placed on a lifting platform.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the embodiments, mechanisms and components not specifically described are conventional.
Example 1
The invention provides box-type adsorption and leaching equipment, which comprises a box body 1 with a cavity therein and an open top or a cover, wherein a water permeable pipe 5 is arranged at the bottom of the cavity of the box body 1, the water permeable pipe 5 is connected with a lower pipe 6, a filler 4 is arranged at the water permeable pipe 5 and above the water permeable pipe, an overflow weir 2 is arranged at the upper part of the cavity of the box body 1, and the overflow weir 2 is connected with an upper pipe 3; when the upper pipe 3 is used as a water inlet pipe, the overflow weir 2 is used for water distribution, the water permeable pipe 5 is used for collecting the seepage water passing through the adsorption filler 4, and the lower pipe 6 is used as a water outlet pipe; or when the lower pipe 6 is used as a water inlet pipe, the permeable pipe 5 is used as a water distribution pipe, the overflow weir 2 is used for collecting water overflowing through the filler 4, and the upper pipe 3 is used as a water outlet pipe; can realize the adsorption separation of target substances in the mixed solution, or realize the dissolution of effective components in the leached filler, or realize the solid-liquid separation of suspended matters in the mixed solution.
The water permeable pipe 5 is a porous pipe with filter cloth on the outer wall, obviously, a steel wire spring pipe with filter cloth on the outer wall can also be set;
a plurality of permeable pipes 5 are arranged at the bottom of the cavity of the box body 1, and the permeable pipes are connected to the lower pipe 6, so that the water permeating through the upper filler 4 enters the permeable pipes 5 and is discharged through the lower pipe 6; or the water entering from the lower pipe 6 enters the filler 4 after being distributed by the water permeable pipe 5;
the overflow weir 2 is a ditch with teeth on the top, one overflow weir 2 is arranged along the inner wall of the cavity of the box body 1, obviously, the overflow weir 2 can also be arranged in the cavity of the box body in an overhead manner through a bracket and is provided with a plurality of overflow weirs; the inner end of the upper pipe 3 passes through a corresponding through hole on the wall of the box body 1 and extends into the bottom of the overflow weir 2, and the outer end is respectively connected with a drain pipe 33 with a valve and an external pipe 32 through a tee joint 31; so as to uniformly collect water overflowing from the filler 4 in the cavity of the box body 1 through the overflow weir 2 and discharge the water through the upper pipe 3 and the outer pipe 32; or the water flowing in through the upper pipe 3 enters the filler 4 after being evenly distributed through the overflow weir 2; the upper pipe 3 can discharge accumulated mud at the bottom of the overflow weir 2 through a tee joint 31 and a discharge pipe 33 with a valve;
the box body 1 is provided with a conventional hoisting assembly, and the hoisting assembly is matched and connected with conventional hoisting equipment and loading and unloading equipment to realize hoisting, loading and unloading of the whole box body;
the box 1 sets up many according to the not co-altitude, and the height that highly is higher than the next stage box of last one-level box, wherein:
the upper box body is arranged on a high-level fixed platform 13, the lower box body is arranged on a low-level fixed platform 14, and a lower pipe 6 of the upper box body is connected with an upper pipe 8 of the lower box body, as shown in figure 3, so that two-stage series operation is realized;
the upper stage box body and the lower stage box body are superposed, and the lower pipe 6 of the upper stage box body is connected with the lower pipe 7 of the lower stage box body, as shown in figure 2, the two-stage series operation is realized;
the upper box body is arranged on a high-level lifting platform 15, the lower box body is arranged on a low-level lifting platform 16, and a lower pipe 6 of the upper box body is connected with an upper pipe 8 of the lower box body, as shown in figure 4, so that secondary series operation is realized;
the upper and lower pipes between the upper and lower stage box bodies are flexible pipes or/and rigid pipes, so that the connection is convenient and the secondary series operation is realized;
the boxes on the fixed platforms 13 and 14 or the boxes stacked up and down can be exchanged at different heights by the existing hoisting equipment or hoisting equipment, as shown in fig. 2 and 3;
the boxes arranged on the lifting platforms 15 and 16, as shown in fig. 4, realize different height changes through the lifting devices carried by the lifting platforms 15 and 16.
Example 2
The adsorption filler is adopted to remove pollutants in the sewage in a certain project, and the adsorption filler can be recycled after being saturated, and does not need to be analyzed. The method mainly comprises a mixing reaction tank, a sedimentation tank and a filtering tank, wherein the mixing reaction tank is also provided with a huge adsorption filler adding facility, sludge generated by the sedimentation tank and the filtering tank also needs to build a huge sludge treatment facility, and the method has the advantages of long process, more treatment equipment, large floor area, high investment and operation cost.
In order to overcome the defects of the above process, the following adsorption treatment is performed on the sewage of this project in this embodiment 2, specifically, as shown in fig. 2, the adsorption treatment is performed on the sewage by using the above two stacked box-type adsorption and leaching devices, which includes the following steps:
A. first stage adsorption treatment
A1, delivering sewage into an overflow weir 2 through an upper pipe 3 of an upper-level box body 1;
a2, uniformly flowing sewage into the cavity of the box body 1 through the overflow weir 2, wherein when the sewage passes through the adsorption filler 4 in the cavity, pollutants in the sewage are adsorbed on the adsorption filler 4, and the liquid phase continuously flows downwards;
a3, the liquid phase flowing downwards enters the permeable pipe 5 and flows out through the lower pipe 6;
B. secondary adsorption treatment
B1, the sewage flowing out of the lower pipe 6 of the upper box 1 is sent into the lower pipe 7 of the lower box and then sent into the permeable pipe 9;
b2, when the sewage flowing out of the permeable pipe 9 passes through the adsorption filler 11, the pollutants in the sewage are adsorbed on the adsorption filler 11, and the liquid phase continues to flow upwards;
b3, enabling the liquid phase flowing upwards to uniformly flow out through the overflow weir 12 and then flow out through the upper pipe 8;
b4, when the concentration of the water pollutants flowing out from the upper pipe 8 of the lower box body exceeds the standard, the upper box body is moved out through the existing hoisting equipment, the lower box body is moved upwards to be used as a new upper box body, a new box body is added to be used as a new lower box body, and the sewage is treated according to the steps.
Compared with the existing fluidized bed adsorption process, the embodiment 2 has the following advantages:
(1) the embodiment 2 has the advantages of short flow, less treatment equipment, small occupied area and low investment and operation cost.
(2) The permeable pipe and the overflow weir in the box type adsorption and leaching equipment are light in weight and small in occupied space, the adsorption filler and the saturated adsorption filler are matched with conventional hoisting equipment through the equipment to finish transportation, feeding and discharging, and a huge adding system and a sludge treatment system are not required to be arranged on site.
(3) The existing fluidized bed adsorption process cannot fully utilize the adsorption capacity of the adsorption filler. In this embodiment 2, when the water outlet of the lower-stage tank exceeds the standard, the adsorption filler in the lower-stage tank is not saturated yet, so that the lower-stage tank is used as a new upper-stage tank, and the adsorption capacity of the adsorption filler is further utilized.
(4) The lower pipe connected with the water permeable pipe and the upper pipe connected with the overflow weir can be used as both a water inlet pipe and a water outlet pipe, so that the operation and the collocation are more flexible, and the conversion between the water inlet pipe and the water outlet pipe can achieve a certain backwashing effect and alleviate the blockage problem.
(5) Compared with the fluidized bed, the filler concentration of the embodiment 2 is much higher than that of the fluidized bed, and the adsorption efficiency is high.
Example 3
The process flow is 'a first-stage mixing reaction tank + a first-stage sedimentation tank + a second-stage mixing reaction tank + a second-stage sedimentation tank', the process has the advantages of long flow, more treatment equipment, high energy consumption, large occupied area, high investment and operation cost due to repeated mixing and repeated extraction.
In order to overcome the defects of the above process, in this embodiment 3, the following leaching process is performed on the ore, as shown in fig. 3, and the method for leaching the effective components in the ore by using the above two box-type adsorption and leaching devices arranged on the high and low fixed platforms includes the following steps:
A. first stage leaching treatment
A1, feeding the stock solution into an overflow weir 2 through an upper pipe 3 of a superior box body 1;
a2, enabling the stock solution to uniformly flow into the cavity of the box body 1 through the overflow weir 2, enabling the active ingredients in the ore to enter the stock solution when the stock solution passes through the leaching filler 4 in the cavity, and enabling the stock solution to continuously flow downwards;
a3, the stock solution flowing downwards enters the water permeable pipe 5 and flows out through the lower pipe 6;
B. secondary leaching treatment
B1, the stock solution flowing out of the lower pipe 6 of the upper box body is sent into the upper pipe 8 of the lower box body and then sent into the overflow weir 12, and then evenly flows into the cavity of the box body 1 through the overflow weir 12, when the stock solution passes through the leaching filler 4 in the cavity, the effective components in the ore further enter the stock solution to become a leaching solution product, and the leaching solution phase continues to flow downwards;
b2, filtering the leachate flowing downwards, entering a water permeable pipe 9, and flowing out through a lower pipe 7;
and B3, when the effective components in the ore in the upper-level box body are reduced to have no utilization value, moving the upper-level box body out through the existing hoisting equipment, moving the lower-level box body up to serve as a new upper-level box body, adding a new box body serving as a new lower-level box body, and leaching the effective components in the ore according to the steps.
Compared with the existing fluidized bed leaching process, the method of the embodiment 3 has the following advantages:
(1) the method 3 has the advantages of short flow, less treatment equipment, no need of multiple extraction and stirring, low energy consumption, small occupied area and low investment and operation cost.
(2) The permeable pipe and the overflow weir in the box type suction or leaching equipment have light weight and small occupied space, the leaching raw materials and the leaching residual tailings are transported, fed and discharged by matching the equipment with conventional hoisting equipment, and a huge adding system and a residual tailing treatment system are not required to be arranged on site.
(3) The existing fluidized bed leaching process cannot fully utilize the effective components in the leaching raw materials to be completely transferred into a liquid phase. On the other hand, when the effective components in the raw solution flowing out of the lower stage tank of example 3 were lowered, the effective components therein did not completely enter the liquid phase, and therefore, the effective components in the leaching raw material were used as a new upper stage tank, and further transferred to the liquid phase.
(4) The lower pipe connected with the water permeable blind pipe and the upper pipe connected with the overflow weir can be used as both a water inlet pipe and a water outlet pipe, so that the operation and the collocation of the equipment are more flexible, and the conversion between the water inlet pipe and the water outlet pipe can achieve a certain backwashing effect and alleviate the blockage problem.
Example 4
The existing precipitation or filtration process is adopted for removing suspended matters in sewage of a certain project, and the existing two processes need to be provided with huge sludge treatment systems.
In order to overcome the defects of the above process, embodiment 4 performs the following filtering treatment on the sewage, specifically as shown in fig. 4, a method for filtering particles and suspended substances by using the box-type adsorption and leaching device arranged on the lifting platform includes the following steps:
D. filtration treatment
D1, feeding the sewage containing suspended matters and particulate matters into the overflow weir 2 through the upper pipe 3 of the upper-stage box body 1;
d2, uniformly flowing sewage into the cavity of the box body 1 through the overflow weir 2 of the upper box body, intercepting suspended matters and particulate matters in the sewage outside the permeable pipe 5 when the sewage passes through the permeable pipe 5 at the bottom of the cavity to gradually form a filtering filler 4, continuously further filtering the later entering mixed liquid to continuously intercept the suspended matters and the particulate matters and continuously form the filtering filler, and allowing the filtered water to flow out through the permeable pipe 5 and the lower pipe 6;
d3, the outflow water enters the upper pipe 8 of the lower-stage box body and is sent into the overflow weir 12, the outflow water uniformly flows into the cavity of the box body 1 through the overflow weir 12, and when the sewage passes through the filtering filler 4 in the cavity, suspended matters and particles in the sewage are further filtered and removed;
d4, filtering water to flow downwards and filter again to enter the water permeable pipe 9 and flow out through the lower pipe 7;
d5, when the thickness of the filter filler 4 of the lower box body is increased and the filter resistance is overlarge, the height of the lifting platform 15 at the bottom of the upper box body is reduced, the lifting platform is used as the lower box body, the height of the lifting platform 16 of the lower box body is increased, meanwhile, the lower box body is moved out through the existing hoisting equipment, a new box body is used as the upper box body, and the filtering operation is carried out according to the filtering step.
Compared with the existing sewage precipitation or filtration process, the present embodiment 4 has the following advantages:
(1) in the embodiment 4, a huge sludge treatment facility does not need to be built on site, the occupied area is small, and the investment and operation cost is low.
(2) The lower pipe connected with the water permeable blind pipe and the upper pipe connected with the overflow weir can be used as both a water inlet pipe and a water outlet pipe, so that the operation and the collocation of the device are more flexible, and the conversion between the water inlet pipe and the water outlet pipe can achieve a certain backwashing effect and alleviate the blockage problem.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a box adsorbs, leaches equipment, includes that its interior area cavity, top open or the box of taking the lid, and its characterized in that box cavity bottom is equipped with the pipe of permeating water, should permeate water the pipe and link to each other with the lower part pipe, and the pipe of permeating water is equipped with the filler above and, and box cavity upper portion is equipped with the overflow weir, and this overflow weir links to each other with the upper portion pipe.
2. The box-type adsorption and leaching equipment according to claim 1, wherein the water permeable pipe is a perforated pipe or a steel wire spring pipe, and the outer wall of the perforated pipe is provided with filter cloth.
3. The box-type adsorption and leaching equipment according to claim 1, wherein one or more water permeable pipes are arranged at the bottom of the cavity of the box body, and one or more water permeable pipes are connected to the lower pipe.
4. The box-type adsorption and leaching equipment according to claim 1, wherein the overflow weir is a ditch with teeth on the top, the overflow weir is arranged along the inner wall of the cavity of the box body or is arranged in the cavity of the box body in an overhead manner through a bracket, and one or more overflow weirs are arranged; the inner end of the upper pipe penetrates through a corresponding through hole in the wall of the box body and extends into the bottom of the overflow weir.
5. The box type adsorption and leaching equipment according to claim 1, wherein the box bodies are arranged in a plurality of different heights, the height of the upper-stage box body is higher than that of the lower-stage box body, and the box type adsorption and leaching equipment comprises:
the lower pipe of the upper-stage box body is connected with the upper pipe of the lower-stage box body;
or the lower pipe of the upper-stage box body is connected with the lower pipe of the lower-stage box body;
or the upper pipe of the upper-stage box body is connected with the upper pipe of the lower-stage box body;
or the upper pipe of the upper-stage box body is connected with the lower pipe of the lower-stage box body.
6. The box type adsorption and leaching equipment according to claim 5, wherein the upper and lower pipes between the upper and lower stage boxes are flexible pipes or/and rigid pipes, so as to facilitate connection and realize secondary series operation.
7. The box-type adsorption and leaching equipment according to claim 5, wherein the plurality of box bodies are arranged on fixed platforms with different heights, or the plurality of box bodies are overlapped up and down, or the plurality of box bodies are arranged on different lifting platforms; the box body on the fixed platform or the box bodies stacked up and down realize the exchange of different heights through the existing hoisting equipment or hoisting equipment; the box bodies arranged on different lifting platforms realize different height transformation through lifting devices of the lifting platforms.
8. A method for adsorption and leaching by using the box type adsorption and leaching device of claim 1, which is characterized by comprising the following steps:
A. adsorption treatment from top to bottom
A1, feeding the mixed liquor into an overflow weir through an upper pipe;
a2, after further water distribution, the mixed solution uniformly flows into the cavity of the box body and passes through the adsorption filler, so that the separated substances in the mixed solution are adsorbed on the adsorption filler, and the liquid phase continuously flows downwards;
a3, collecting the liquid phase flowing downwards to the lower pipe through the water permeable pipe and flowing out;
B. bottom-up adsorption treatment
B1, feeding the mixed solution into a water permeable pipe through a lower pipe, and allowing the mixed solution to flow out through the water permeable pipe;
b2, when the mixed liquid flowing out of the permeable pipe passes through the filler, the separated substances in the mixed liquid are adsorbed on the adsorption filler, and the liquid phase continues to flow upwards;
b3, the liquid phase flowing upwards enters an overflow weir and then flows out through an upper pipe;
C. leaching treatment
C1, the treatment step is the same as the step A of the top-down adsorption treatment or the step B of the bottom-up adsorption treatment, and only the adsorption filler is replaced by the leaching filler;
D. filtration treatment
D1, feeding the mixed solution into an overflow weir through an upper pipe for uniform water distribution;
d2, the mixed liquid after the water distribution evenly flows into the box cavity through the overflow weir, after the pipe that permeates water of box cavity bottom filters, the liquid phase gets into the lower part pipe through the pipe that permeates water and flows out, and suspended solid, particulate matter are intercepted outside the pipe that permeates water, progressively form and filter the filler to the mixed liquid that gets into after to further filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (6)
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| CN1441069A (en) * | 2003-03-12 | 2003-09-10 | 福建紫金矿业股份有限公司 | Gravity flow static adsorption method in gold ore bulk leaching |
| JP2007130585A (en) * | 2005-11-11 | 2007-05-31 | Koyo Giken:Kk | Activated carbon adsorption system |
| CN103214090A (en) * | 2013-05-16 | 2013-07-24 | 南京大学 | Anoxic humic filler filter tank and method for treating nitrogen containing degradation-resistant wastewater |
| CN207121446U (en) * | 2017-08-13 | 2018-03-20 | 沧州绿源水处理有限公司 | A kind of advanced multi-stage absorption bed |
| CN214051047U (en) * | 2020-12-22 | 2021-08-27 | 山东帅克环保科技有限公司 | Modular activated carbon adsorption box |
| CN218320884U (en) * | 2022-05-05 | 2023-01-17 | 昆明有色冶金设计研究院股份公司 | Box type adsorption and leaching equipment |
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2022
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1441069A (en) * | 2003-03-12 | 2003-09-10 | 福建紫金矿业股份有限公司 | Gravity flow static adsorption method in gold ore bulk leaching |
| JP2007130585A (en) * | 2005-11-11 | 2007-05-31 | Koyo Giken:Kk | Activated carbon adsorption system |
| CN103214090A (en) * | 2013-05-16 | 2013-07-24 | 南京大学 | Anoxic humic filler filter tank and method for treating nitrogen containing degradation-resistant wastewater |
| CN207121446U (en) * | 2017-08-13 | 2018-03-20 | 沧州绿源水处理有限公司 | A kind of advanced multi-stage absorption bed |
| CN214051047U (en) * | 2020-12-22 | 2021-08-27 | 山东帅克环保科技有限公司 | Modular activated carbon adsorption box |
| CN218320884U (en) * | 2022-05-05 | 2023-01-17 | 昆明有色冶金设计研究院股份公司 | Box type adsorption and leaching equipment |
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