CN111420468A - Sintered plate repairing process method - Google Patents
Sintered plate repairing process method Download PDFInfo
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- CN111420468A CN111420468A CN202010253947.9A CN202010253947A CN111420468A CN 111420468 A CN111420468 A CN 111420468A CN 202010253947 A CN202010253947 A CN 202010253947A CN 111420468 A CN111420468 A CN 111420468A
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- sintering
- sintered plate
- sintered
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
Abstract
The invention discloses a sintered plate repairing process method, and belongs to the technical field of sintered plate repairing. A sintered plate repairing process method sequentially carries out primary powder removal, transfer frame transfer, filter plate frame fixation, ultrahigh pressure water washing, leaching, secondary washing, hot air suction, coating and other operation treatment on a sintered plate, then the sintered plate is repaired, the sintered plate is unloaded from the filter plate frame and is put into a transfer frame to be transported to a packaging point, the repaired sintered plate is packaged, and the sintered plate can be cleaned through comprehensive treatment effects on the sintered plate such as vibration, high pressure water gun washing, leaching and the like, so that not only can the internal and external surfaces of the sintered plate be cleaned, but also capillary holes in a filter element can be dredged, the cleaning efficiency of adhered objects is very high, and the sintered plate which is originally failed can be recycled.
Description
Technical Field
The invention relates to the technical field of sintered plate repair, in particular to a sintered plate repair process method.
Background
The sintered Plate is made up by using ultrahigh molecular weight polyethylene powder as main raw material, mixing several high-molecular compounds and additives, strictly proportioning them and making casting sintering so as to form a rigid wave-type porous filter core. The plate has the characteristics of static resistance, acid and alkali resistance, strong humidity resistance, wear resistance, long fault-free operation time of the filter plate and the like.
With the continuous development of industry and the environmental protection of the country, the traditional dust removing equipment can not meet the requirement in terms of performance and service life. This has prompted the development of new environmental technologies,
the plastic sintered plate (sintered plate) adopts a unique wave-shaped plastic sintered plate filter element to replace a traditional cloth bag, and becomes a good choice for industrial dust removal, and has the characteristics that: the filtering precision is high: the micron-sized filter pore size enables 100 percent of smoke particles with the size of more than 1 micron to be intercepted, and 99.99 percent of smoke particles with the size of 0.1 micron to be intercepted; the filtering area is large: the corrugated design of the filtering surface ensures that the filtering area in the same volume is 3 times that of the filtering bag; strong acid and alkali resistance: the special resin material can withstand the long-term high-temperature corrosion of strong acid and strong alkali; adaptive temperature: the conventional product can resist the temperature within 80 ℃, 110 ℃ and beyond 160 ℃.
The existing sintering plate is used, due to the reasons of improper operation, change of working conditions and the like, the surface of the sintering plate is solidified and caked, and the sintering plate filter material is further corroded inside, so that the resistance of the sintering plate is sharply increased until the sintering plate filter material is invalid, the sintering plate after the invalid sintering plate filter material is only discarded and replaced with new one, the raw material of the sintering plate filter element is expensive, the manufacturing process is complex, the sintering plate filter element is expensive, and the updating of the sintering plate means huge use and operation cost for users.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a sintered plate repairing process method which can remove the adhered substances on the inner and outer surfaces of the sintered plate and dredge the capillary holes in the filter element through the comprehensive treatment effects of vibration, high-pressure water gun flushing, leaching and the like on the sintered plate, has very high adhered substance removing efficiency and can recycle the sintered plate which is failed originally.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A sintered plate repairing process method comprises the following steps:
firstly, removing powder, namely placing a plurality of sintering plates into vibration equipment, loosening the inside and the outside of the sintering plates in a vibration and air blowing combined mode, and removing dust;
secondly, transferring the transfer frame, namely putting a plurality of sintering plates which are placed into the vibration equipment in the step one and are processed into the transfer frame, and transporting the sintering plates to a point to be repaired;
step three, fixing the filter plate frame, taking out the plurality of sintered plates after the transportation in the step two, fixing the sintered plates with the filter plate frame, and sending the sintered plates into a plate inlet chamber;
and step four, ultra-high pressure water washing, namely, continuously feeding the sintered plate fed into the plate feeding chamber in the step three into a washing chamber, and spraying high pressure water by using a cleaning nozzle to sequentially clean the surface of the sintered plate for 2-5 times.
Leaching, namely placing the sintered plate subjected to high-pressure washing in a solution in a soaking pool, and after leaching is finished, performing air pulse blowing on the sintered plate to extrude the solution remained on the sintered plate;
step six, secondary cleaning, namely placing the leached sintering plate in a washing chamber, and orderly cleaning the surface of the sintering plate by low-pressure water;
step seven, sucking dry by hot air, and placing the sintered plate in a drying chamber to dry the filter element;
step eight, coating, namely placing the sintered plate dried in the step seven in a coating chamber, coating PTFE on the surface of the sintered plate for 1-3 times, drying the sintered plate after coating, and performing subsequent filtration resistance detection work;
and step nine, after the work of the step eight is completed, unloading the filter plate frame from the sintering plate, putting the filter plate frame into a transfer frame, transporting the filter plate frame to a packaging point, and packaging the repaired sintering plate.
Further, be equipped with the vibration frame in the vibrating equipment, the vibrating equipment bottom is equipped with the receiving hopper, the sintering board is placed in the vibration frame, the sintering board upper end is equipped with the air outlet, the air outlet sets up down and is connected with the vibration frame bottom, makes the gas outlet on the sintering board set up down when placing, and when vibrating equipment started, during its vibration effect made the dust that can attach in the sintering board shaken out the receiving hopper that gets into the vibrating equipment bottom through the air outlet.
Further, when the sintering plate is fixed with the filter plate frame in the third step, the air outlet is arranged upwards, so that the filter plate frame and the sintering plate are connected conveniently.
Furthermore, the pressure of high-pressure water in the fourth step is less than or equal to 250bar, the pressure of low-pressure water in the sixth step is less than or equal to 10bar, when high-pressure water washing is performed, namely primary washing is performed, higher water pressure can be used for orderly cleaning the surface of the sintering plate, so that dust on the sintering plate can be cleaned more cleanly, the dust cleaning force on the sintering plate is higher due to primary cleaning, and during secondary cleaning, residual soaking solvent in the filter element on the sintering plate or dust possibly carried by the sintering plate in the leaching process is cleaned by adopting lower water pressure.
Furthermore, when the sintered plate is cleaned in the fourth step and the sintered plate is cleaned in the sixth step, compressed air pulse blowing and negative pressure air draft are started at the top of the sintered plate, and the injection pipe is provided with spray holes corresponding to the filter element during pulse blowing, so that capillary holes in the filter element can be dredged to a certain extent or residues in the sintered plate can be cleaned cleanly.
Further, when the sintered plate is cleaned by the high-pressure water in the fourth step, the angle between the cleaning spray head and the sintered plate is 10-80 degrees, so that residual dust on the sintered plate is cleaned by the water flow sprayed by the cleaning spray head, and the cleaned water flow flows down along gaps of folds on the sintered plate.
Furthermore, when the sintered plate is cleaned by the high-pressure water in the fourth step, the lower side of the cleaning spray head is provided with the electric rolling brush, the electric rolling brush cleans the sintered plate after being cleaned by water flow, and the dust on the sintered plate is cleaned more cleanly under the double cleaning action.
Furthermore, when the sintered plate is soaked in the step five, according to the physical and chemical characteristics of the adhesion objects on the surface of the sintered plate, an alkaline or oil-absorbing additive is added into the soaking pool solution to dissolve the dust in the sintered plate filter element, so that the purpose of dredging the capillary pores in the filter element is achieved.
Furthermore, when the sintered plate is soaked in the fifth step, negative pressure is generated at the top of the sintered plate at variable time, so that a certain flow of solution is formed inside and outside the filter element, the dissolving rate is increased, and the dredging speed is increased.
Furthermore, when the sintered plate is dried in the seventh step, a fan is installed at a position close to the upper part of the sintered plate in the drying chamber, so that hot air generated in the drying process in the drying chamber is filtered by the fan through the outer surface of the filter element, and the filter element can be rapidly dried.
3. Advantageous effects
Compared with the existing mode which can only be replaced, the invention has the advantages that:
(1) this scheme can wash, leach etc. through vibration, high-pressure squirt and not only make the inside and outside surface adhesion thing of sintered plate clear away to the comprehensive treatment effect of sintered plate, can dredge the inside capillary hole of filter core moreover, and it is very high to adhere thing clearance efficiency for the sintered plate that originally became invalid can reuse.
(2) Be equipped with the vibration frame in the vibrating equipment, the vibrating equipment bottom is equipped with the receiving hopper, and the sintering board is placed in the vibration frame, and the sintering board upper end is equipped with the air outlet, and the air outlet sets up down and is connected with the vibration frame bottom, makes the gas outlet on the sintering board set up down when placing, and when vibrating equipment started, during its vibration effect made the dust that can attach in the sintering board shaken out the receiving hopper that gets into the vibrating equipment bottom through the air outlet.
(3) When the sintering plate is fixed with the filter plate frame in the third step, the air outlet is arranged upwards, so that the filter plate frame and the sintering plate are conveniently connected.
(4) The pressure of high-pressure water in the fourth step is less than or equal to 250bar, the pressure of low-pressure water in the sixth step is less than or equal to 10bar, when the high-pressure water is used for washing, namely washing for the first time, the higher water pressure can be used for orderly washing the surface of the sintering plate, so that the dust of the sintering plate can be cleaned more cleanly, the dust cleaning force for the sintering plate is larger due to the first washing, and when the sintering plate is washed for the second time, the lower water pressure is used for cleaning residual soaking solvent in the filter element on the sintering plate or dust possibly carried by the sintering plate in the leaching process.
(5) And in the fourth step, cleaning the sintered plate for the second time and in the sixth step, starting compressed air pulse blowing and negative pressure air draft at the top of the sintered plate, and arranging spray holes corresponding to the filter element on the injection pipe during pulse blowing, so that capillary holes in the filter element can be dredged to a certain extent or residues in the sintered plate can be cleaned cleanly.
(6) And step four, when the sintered plate is cleaned by high-pressure water, the angle between the cleaning spray head and the sintered plate is 10-80 degrees, so that residual dust on the sintered plate is cleaned by the water flow sprayed by the cleaning spray head, and the cleaned water flow flows down along the gaps of the folds on the sintered plate.
(7) When the high pressure water washs the sintering board in step four, the downside of washing the shower nozzle is equipped with electronic round brush, and through the sintering board after rivers are clean, electronic round brush cleans along its surface, and dual clean effect makes the dust clearance that exists cleaner on the sintering board.
(8) And fifthly, when the sintered plate is soaked, adding an alkaline or oil-absorbing additive into the soaking pool solution according to the physicochemical characteristics of the adhesion object on the surface of the sintered plate, and dissolving the dust in the sintered plate filter element to achieve the purpose of dredging the capillary pores in the filter element.
(9) And fifthly, when the sintered plate is soaked, negative pressure is generated at the top of the sintered plate at variable time, so that the solution forms a certain flow inside and outside the filter element, the dissolving rate is accelerated, and the dredging speed is increased.
(10) And seventhly, when the sintered plate is dried, a fan is arranged at a position, close to the upper part of the sintered plate, in the drying chamber, so that hot air generated in the drying process in the drying chamber is filtered by the fan through the outer surface of the filter element, and the filter element can be quickly dried.
Drawings
FIG. 1 is a principal flow diagram of the present invention;
FIG. 2 is a schematic view of a sintered plate of the present invention when placed in a vibrating apparatus;
FIG. 3 is a schematic view of the mounting orientation of the sintered plate of the present invention in a vibrating apparatus;
fig. 4 is a schematic view of the position structure of the sintered plate and the filter plate holder when the sintered plate and the filter plate holder are installed.
The reference numbers in the figures illustrate:
1 vibrating equipment, 2 sintering plates, 21 top plates and 3 filter plate frames.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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.
Referring to fig. 1-4, a method for repairing a sintered plate includes the following steps:
firstly, removing powder, namely placing a plurality of sintering plates 2 into a vibrating device 1, loosening the inside and the outside of the sintering plates 2 in a vibration and air blowing combined mode, and removing dust;
secondly, transferring the transfer frame, namely putting a plurality of sintering plates 2 which are placed into the vibration equipment 1 in the step one and are processed into the transfer frame, and transporting the sintering plates to a point to be repaired;
step three, fixing the filter plate frame 3, taking out the plurality of sintered plates 2 after the transportation in the step two is finished, fixing the sintered plates with the filter plate frame 3, and sending the sintered plates into a plate chamber;
and step four, ultra-high pressure water washing, namely, continuously feeding the sintered plate 2 fed into the plate feeding chamber in the step three into a washing chamber, and spraying high pressure water by using a washing nozzle to orderly wash the surface of the sintered plate 2 for 4 times.
Leaching, namely placing the sintered plate 2 subjected to high-pressure washing in a solution in a soaking pool, and after leaching is finished, performing air pulse blowing on the sintered plate 2 to extrude the solution remained on the sintered plate 2;
sixthly, secondary cleaning, namely placing the leached sintering plate 2 in a flushing chamber, and orderly cleaning the surface of the sintering plate 2 by low-pressure water;
step seven, sucking dry by hot air, and placing the sintering plate 2 in a drying chamber to dry the filter element;
coating, namely placing the sintered plate 2 dried in the step seven into a coating chamber, coating PTFE on the surface of the sintered plate 2 (the sintered plate after coating is finished has better chemical stability, corrosion resistance, antifouling property, lubricating property and sealing property under the coating action of the PTFE), coating for 3 times, drying the sintered plate 2 after coating, and performing subsequent filtration resistance detection work;
and step nine, after the work of the step eight is completed, unloading the filter plate frame 3 from the sintering plate 2, then putting the filter plate frame into a transfer frame to be transported to a packaging point, and packaging the repaired sintering plate 2.
Be equipped with the vibration frame in the vibrating equipment 1, the vibrating equipment bottom is equipped with the receiving hopper, and sintering board 2 is placed in the vibration frame, and 2 upper ends of sintering board are equipped with the air outlet, and the air outlet sets up down and is connected with the vibration frame bottom, makes the gas outlet on the sintering board set up down when placing, and when vibrating equipment started, during its vibration effect made the dust that can attach in the sintering board shaken out the receiving hopper that gets into the vibrating equipment bottom through the air outlet.
When sintering board 2 was fixed mutually with filter plate frame 3 in step three, the air outlet sets up upwards, makes things convenient for to be connected between filter plate frame 3 and the sintering board 2.
The pressure of the high-pressure water in the fourth step is less than or equal to 250bar, the pressure of the low-pressure water in the sixth step is less than or equal to 10bar, when the high-pressure water is used for washing, namely washing for the first time, the higher water pressure can better clean the surface of the sintering plate 2 in order, so that the dust of the sintering plate 2 is cleaned more cleanly, the dust cleaning force for the sintering plate 2 is higher due to the washing for the first time, and when the sintering plate 2 is cleaned for the second time, the residual soaking solvent in the filter element on the sintering plate 2 or the dust possibly carried by the sintering plate 2 in the leaching process is cleaned by adopting the.
In the fourth step, the sintered plate 2 is cleaned for the second time and the sintered plate 2 is cleaned in the sixth step, compressed air pulse blowing and negative pressure air draft are started at the top of the sintered plate 2, and the injection pipe is provided with spray holes corresponding to the filter element during pulse blowing, so that capillary holes in the filter element can be dredged to a certain extent or residues in the sintered plate 2 can be cleaned cleanly.
When the sintering plate 2 is cleaned by high-pressure water in the fourth step, the angle between the cleaning spray head and the sintering plate 2 is 45 degrees, so that residual dust on the sintering plate 2 is cleaned by the water flow sprayed by the cleaning spray head, and the cleaned water flow flows down along the gaps of the folds on the sintering plate 2.
When water under high pressure washs sintered plate 2 in step four, the downside of washing the shower nozzle is equipped with electronic round brush, and through the clean sintered plate 2 of rivers, electronic round brush cleans along its surface, and the dust clearance that exists on dual clean effect makes sintered plate 2 is cleaner.
And fifthly, when the sintering plate 2 is soaked, adding an alkaline or oil-absorbing additive into the soaking pool solution to dissolve the dust in the filter element of the sintering plate 2, thereby achieving the purpose of dredging the capillary pores in the filter element.
And fifthly, when the sintered plate 2 is soaked, negative pressure is generated at the top of the sintered plate 2 at irregular time, so that the solution forms certain flow inside and outside the filter element, the dissolving rate is accelerated, and the dredging speed is increased.
And seventhly, when the sintered plate 2 is dried, a fan is arranged at a position, close to the upper part of the sintered plate 2, in the drying chamber, so that hot air generated in the drying process in the drying chamber is filtered by the fan through the outer surface of the filter element, and the filter element can be quickly dried.
And discharging the sewage after the sintering plate 2 is washed, leached and cleaned by the ultrahigh pressure water and treated by the secondary cleaning treatment to a sedimentation tank, and discharging relatively clean water after sedimentation for a certain time.
Through the comprehensive treatment effect on the sintering plate 2 such as vibration, high-pressure water gun flushing, leaching and the like, the adhered substances on the inner surface and the outer surface of the sintering plate 2 can be removed, the capillary holes in the filter element can be dredged, the adhered substance removing efficiency is very high, and the sintering plate which is originally failed can be recycled.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. A sintered plate repairing process method is characterized in that: the method comprises the following steps:
firstly, removing powder, namely placing a plurality of sintering plates (2) into vibration equipment (1), loosening the inside and the outside of the sintering plates (2) in a vibration and air blowing combined mode, and removing dust;
secondly, transferring the transfer frame, namely putting a plurality of sintering plates (2) which are put into the vibration equipment (1) in the step one and processed into the transfer frame, and transporting the sintering plates to a point to be repaired;
step three, fixing the filter plate frame (3), taking out the plurality of sintered plates (2) after the transportation in the step two is finished, fixing the sintered plates with the filter plate frame (3), and sending the sintered plates into a plate inlet chamber;
flushing with ultrahigh pressure water, namely continuously feeding the sintered plate (2) fed into the plate feeding chamber in the step three into a flushing chamber, and spraying high pressure water by using a cleaning nozzle to sequentially clean the surface of the sintered plate (2) for 2-5 times;
leaching, namely placing the sintered plate (2) subjected to high-pressure washing in a solution in a soaking pool, and after leaching is finished, performing air pulse blowing on the sintered plate (2) to extrude out the solution remained on the sintered plate (2);
step six, secondary cleaning, namely placing the leached sintering plate (2) in a washing chamber, and orderly cleaning the surface of the sintering plate (2) by low-pressure water;
step seven, sucking dry by hot air, and placing the sintering plate (2) in a drying chamber to dry the filter element;
step eight, coating, namely placing the sintered plate (2) dried in the step seven in a coating chamber, coating PTFE on the surface of the sintered plate (2), coating for 1-3 times, drying the sintered plate (2) after coating is finished, and performing subsequent filtration resistance detection work;
and step nine, after the work of the step eight is completed, unloading the filter plate frame (3) from the sintering plate (2), and then putting the filter plate frame into a transfer frame to be transported to a packaging point to carry out the repaired sintering plate (2).
2. The sintered plate repairing process method according to claim 1, wherein: be equipped with the vibration frame in vibration equipment (1), sintering board (2) are placed in the vibration frame, sintering board (2) upper end is equipped with the air outlet, the air outlet sets up down and is connected with vibration frame bottom.
3. The sintered plate repairing process method according to claim 2, wherein: and in the third step, when the sintering plate (2) is fixed with the filter plate frame (3), the air outlet is arranged upwards.
4. The sintered plate repairing process method according to claim 1, wherein: the pressure of the high-pressure water in the fourth step is less than or equal to 250bar, and the pressure of the low-pressure water in the sixth step is less than or equal to 10 bar.
5. The sintered plate repairing process method according to claim 1, wherein: and starting the cleaning of the sintering plate (2) in the fourth step and the cleaning of the sintering plate (2) in the sixth step, and starting compressed air pulse blowing and negative pressure air draft at the top position of the sintering plate (2).
6. The sintered plate repairing process method according to claim 5, wherein: and in the fourth step, when the sintering plate (2) is cleaned by high-pressure water, the angle between the cleaning spray head and the sintering plate (2) is 10-80 degrees.
7. The sintered plate repairing process method according to claim 1, wherein: and in the fourth step, when the sintered plate (2) is cleaned by high-pressure water, an electric rolling brush is arranged at the lower side of the cleaning spray head.
8. The sintered plate repairing process method according to claim 1, wherein: and when the sintered plate (2) is soaked in the step five, adding an alkaline or oil-absorbing additive into the soaking pool solution.
9. The sintered plate repairing process method according to claim 1, wherein: and fifthly, when the sintering plate (2) is soaked, the top of the sintering plate (2) generates negative pressure irregularly.
10. The sintered plate repairing process method according to claim 1, wherein: and seventhly, when the sintering plate (2) is dried, a fan is arranged at a position, close to the upper part of the sintering plate (2), in the drying chamber.
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| CN202010253947.9A CN111420468A (en) | 2020-04-02 | 2020-04-02 | Sintered plate repairing process method |
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| CN202010253947.9A CN111420468A (en) | 2020-04-02 | 2020-04-02 | Sintered plate repairing process method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112843883A (en) * | 2021-01-12 | 2021-05-28 | 刘莹 | Mould board cleaning equipment that burns |
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Application publication date: 20200717 |