TW200536791A - Precise water resource recycling machine - Google Patents

Abstract

This invention is related to one kind of precise water resource recycling machine which sends the waste liquid of a collection tank to one or more parallelly connected filtration tubes by a pump. The difference between this invention and the traditional filtration method lies in that it doesn't use methods like siliceous clay, neutralization tank, ceramics, filtration core and centrifugation to filtrate. It controls the waste liquid flow rate sent via the pump by controlling the pressure of the filtration tube to reach the best filtration efficiency and prevent the bag from exploding. Further a multilayer precise filtration bag is used inside the filtration tube to effectively isolate the metal powder of the waste liquid and adequately filtrate the water of the powder by the assistance of air pressure, which makes the highly valuable metal powder be recycled smoothly as well as the recycled water after being filtrated doesn't contain impurities and can be sent back to be used in the process again.

Description

200536791

V. Description of the invention (0, in particular, a kind of reclaimed 俾 can be used as a 裎) [Technical field to which the invention belongs] The present invention relates to the recovery of copper powder contained in the grinding waste liquid of a kind of water resource precision recovery machine, and the filtered water can be used as water [Previous technology] According to the press, industrial wastewater treatment has always been a concern of manufacturers and environmental protection units. Because waste liquid often contains toxic substances, if it is not handled properly, it will cause secondary pollution that seriously threatens the ecological environment, and then affect Human survival = Furthermore, industrial waste liquids often contain recyclable substances, such as copper, gold, metals, and other metals. Therefore, it is also an economic loss if they are discharged arbitrarily. ≫ 1 丄诸如 For example, in the process of printed circuit board (pCB), it is necessary to go through the process of etching and grinding, and in these processes, the waste liquid will contain metals such as copper. 'Because of its high price, there is nothing the industry wants to do. Recycling it. One of the most common methods is to inject waste liquid into a wave-shaped filter, and coat the surface of the filter with silica gel to filter. Although the pores are reduced in this way, the metal powder in the waste liquid can be blocked in the filter screen. The kernel is bound to be mixed with the second silicon soil, and the subsequent processing is also very troublesome. For example, it requires a chemical to mix silica and metal powder. Separation will cause heavy metals such as chemicals to be contained in the siliceous silica, which will also cause environmental pollution. In addition, after using this type of wave f-type filter for a period of time, it needs to stop for 30 minutes and refill the silicon dagger. Wastewater from the process may be full and untreated.

200536791 V. Description of the invention (2)-From the outside to the outside, Laoshan ^ < p Γ ^ became a funeral of rivers or farmland polluters or environmental protection units. r: A method is to use chemical treatment to put sodium hydride in the mixing tank to neutralize it, and then: filter and separate; then, separate the material after the separation and return it to &. This type H: 453 1 38 and so on. However, these methods are% ^ I, and most of the added agents are poisonous wastes, etc., which is also a major environmental problem π π ΐ — One method is to use micron ceramic filter to easily attach copper powder to Tao actually does not meet the expected requirements on the filter. The conclusion of this type of patent =. In addition, there is another kind of defect that the steel core is used, and the steel powder is not easy to be removed. It is used as a recovery device of this type. Isolation, filtration: A kind of filtration method, which uses centrifugal separation: force will make the waste liquid exudate to the outside of the filter screen, and then use it for the system to make it missing. Therefore, copper sulfate patents often attached to the acid waste after being sent to the plate and frame are found in many public processes and occupy the whole disturbance. Recovered, but easy to remove, and the construction methods are disclosed in the announcement. If it is lost, therefore, the liquid is first filtered in a filter press, the mother liquor is not treated in the 3639 space, the process is filtered in this way, and the effect 567897 is used in copper Less suitable for filtration, but this method cannot recover a clean water edge receiver, filter cartridge, and volume, so that one of the objectives of the invention is to provide a precise water resource back to the pump. Pujiang waste> Night delivery m mi united over ^ t Control the pressure of the tube to control the waste liquid flow sent by Guopu to achieve the best filtration efficiency and prevent explosion caused by excessive pressure

Page 6 200536791 V. Description of the invention (3) Bag or danger. Further, it can be assisted by the overflow electrode of the β-tank, and the pressure detection alarm and waste liquid collection of the present invention. The second item of the present invention: 2 to multiple safety effects. The cylinder cover sprays the waste liquid from top to bottom. When the waste liquid enters the filter cartridge, it is separated from the self-assembled precision filter bag, and the water is recovered by the multi-layer filter cloth and the filter bag. , 9 ^ 1 'and remain in the bag, and then reused in the precision process, so that; personality, can be recycled to the grinder water to ensure that the environment is not polluted, in t ^, no waste discharged to the outside Another aspect of the present invention is to utilize recovered resources. With the gapless combination, not only ^ ^ I is made in this precision filter bag, but it is used to completely prevent the waste liquid from seeping out of the bag body, and when the bag burst occurs, it can be used. The water recovered from the breach of protection can be returned to the manufacturing process for another purpose of the present invention. The metal powder in the ΎΚ-b liquid is separated and left in the bag. It can effectively chase the aqueous liquid in the waste powder into the slag and =-assist The air pressure made the gold replaced and removed, and put it into a new filter and bag, the whole of which is 2 minutes, and the removed filter bag is convenient for centralized recovery of the filtered dry wounds, and it can be reused after cleaning. use. JL / ί Mingzhi a purpose, then when the filter cartridge is connected in more than one time I; t Ϊ Ϊ ί one filter bag, no need, the remaining filter cartridge can still filter the waste liquid, making the grinding or etching process The generated waste liquid will not be overflowed and discharged outside the factory, and indeed meets environmental protection requirements. In order to achieve the above-mentioned objective, the technical measures adopted by the present invention include: a waste liquid collection tank for loading waste liquid discharged in the manufacturing process;

Page 7 200536791 Fifth, the above can be connected to the tube δ and the injection side of the invention description (4) a pump system, the suction end is connected to a suction pipe to the aforementioned waste liquid collection tank, the output end is connected to a conveying pipe ; At least one filter cartridge, which is provided with a cylinder body and a cylinder cover, which is provided with a mesh slot with an opening in the barrel body, and a supporting surface is formed on the upper periphery of the mesh slot for the positioning of the filter bag with the gamma opening facing upward. The filter bag is a bag body made of multi-layer cloth and hot-melted, and a positioning frame which is thermally welded above the bag body, so that the outer frame edge of the positioning frame can be sleeved on the supporting surface, and the The cover is assembled above the barrel by more than one locking member. The cover has an extension on one side of the cover, and a curved injection port is provided on the inner edge of the extension. The bottom of the liquid injection tube connected to the liquid injection tube is connected to the pump tube of the pump wheel. Furthermore, a cover is provided with a force gauge; and a transition water recovery tank is a recovery tube provided on the bottom surface of the filter cartridge. The bottom is used to hold the filtered water flowing out of the filter cartridge. The embodiment is placed in the liquid. First, please refer to the first diagram 'and also refer to the schematic diagram of the second diagram. The present invention mainly includes a waste liquid collection tank (1 0), and the waste liquid (1 2) ), The process refers to the waste liquid produced in this process, which will contain a pump (20), the suction end of which is connected to the collection tank (1 0), and the output end of which is connected to 'It is a schematic illustration of an embodiment of the present invention 'It shows that the printed circuit board arranged in the pipeline (11) is etched or ground during the filtering circuit mounting process of the present invention, and there is copper powder or other metal powder; connect a suction pipe (2 1) to the aforementioned waste connection one Conveying pipes (22) to a predetermined number

200536791 Fifth, the filter cartridge (30) of the description of the invention (5), the waste liquid (12) is sent into the filter cartridge (30) for filtration to separate the metal powder, and the waste liquid (12) becomes clean filtered water (4 2), and then flow into the filtered water recovery tank (4 0) through the recovery pipe (3 丨) on the bottom surface of the filter cartridge (30). Furthermore, the suction pipe (21) of the aforementioned pump (20) may further be provided with a check valve (2 3) to prevent the waste liquid in the pipe from flowing back. In addition, the output end of the pump (20) is optionally provided with a pressure detection alarm (24). When the output pressure of the pump (20) exceeds a set value, the pump (20) is stopped from operating. ^, Increase the security of the filtering program. Furthermore, an on-off valve (25) is provided from the conveying pipe (22) to the end of the filter cartridge. Please refer to the third figure again, which is the filter cartridge of the present invention, which is provided with a cylinder body (31) and a cylinder cover (32). The cylinder body (31) is provided with a mesh slot (33) with an upper opening. ), And a (312) is formed on the upper periphery of the mesh groove (33) for positioning a filter bag (70) with an opening facing upward. As shown in the figure, the transition bag (70) contains a bag body ⑺) * positioning stick ($ jin bag is made of a multi-layer cloth compound = one = · made on the joint surface (711), applying thin (712), Instead of using any sewing gap made by sewing, to ensure economic efficiency ^ ^ _ 'and cracked. Furthermore, the bag body is placed two or two places: = ((77 ;; = then: fixed: box (72) can be made of plastic material, which can be positioned in the mesh slot (33), and the entire bag () 円 is used as the waste liquid sent by the filter (12 200536791

5. Description of the invention (6)). The mesh slot (33) is rigid and can be used for positioning the filter bag (70). As shown in the fourth figure, the filter bag (70) is provided with two handles on the inner edge of the positioning frame (72). (722).

Please continue to refer to the third figure, 'The barrel cap (32) is assembled above the barrel (31) by more than one locking member (34). The locking member (34) is generally found in the screw check of the pressure valley device. (3 4 1) and a nut (3 4 2), wherein the bottom end of the bolt (3 4 1) is pivotally connected to the lug (34 3) on the side of the barrel (31), and the ring nut (342) is loosened. When it is opened, the cover (32) can be lifted to one side, but this is a prior art, which is not the subject of the patent in this case, so I won't go into details. One of the important features of the present invention is that an extension section (3 2 1) is provided on the front side of the remote cover body (3 2), and a curved injection port (322) is provided on the inner edge of the extension section (321). 31) Relative to the curved injection port (3 2 2), a liquid injection pipe (3 1 1) communicating with it is provided. The bottom end of the liquid injection pipe (3 1 1) is connected to the delivery pipe of Guopu (2 2 ) Connection, and an on-off valve (2 5) may be provided in between. Furthermore, a pressure gauge (35) is provided on the cylinder cap (3 2). In addition, the liquid injection tube (31 1) of the filter cartridge (30) is further connected to an air injection tube (5 1). As shown in the second figure, the air injection tube (5 1) is provided by an air compressor (50). An air pressure source, and an on-off valve (5 2) is provided on the gas injection pipe (5 1).

Based on such a structure, please cooperate with the first to third figures at the same time, when the pump (20) sends the waste liquid (12) through the delivery pipe (22) to the injection pipe (311) and sends it to the curved injection port (3 2 2), the waste liquid (1 2) turns from the bottom to the top through the curved spray port (3 2 2), and then sprays into the filter bag (70) from top to bottom. At this time, the waste liquid (1 2 ) Is diffused into the filter bag (7 0), instead of impacting the filter bag (7 0) like a water column, so the pressure is more dispersed and even. At this time, the

Page 10 200536791

V. Description of the invention (7) The metal powder (121) will be more evenly attached to the bag body. The bag body ⑺) is a wall surface as shown in the fourth and fifth figures, and is further composed of a soft filter material (80). According to the test report of the composite of China textile layer cloth (Annex 1), the soft filter material (80) belongs to the test type of 2 research center 'in order to make the filter and the air permeability of the material (80) similar to the density of the non-woven filter material Able to resist the metal powder (丨 21), make it better. * Example is made of five layers of cloth and / j A 'made by the invention 1㈣, as shown in the fifth figure ;: layer π = Γ, The thickness of the second layer of cloth (82) is 3.imm, the thickness of the second and fourth layers of cloth (83), (84) is 024, and the thickness is 0,37mm. This multi-layer composite has an area of 3.8 Cm, and its pressure is 125 Pa when the pressure is 125 Pa; U. The six holes r are 4 · 6 (c · c / cm2 / sec), The significance of this value is that the precision of the pores is higher than the pores formed by coating silica gel with conventional filters, that is, after the waste liquid (12) is precisely filtered through this layer of filter material (80) by spraying, Its filtering effect is better than that of the traditional silica-containing filter layer. According to the water quality sample inspection report of Yuanzhi University Environmental Science Center (Annex II), the turbidity of the unfiltered waste liquid (raw water) is 42NTU, and the steel content It is 516 mg / L; and the turbidity of the filtered water with a silica-containing silica filter layer is 1.3 NTU 'The copper content is 1. 17 mg / L, and the turbidity of the filtered water after filtration according to the present invention is 1.1NTU, copper content is 60mg / L, both are slightly better than conventional silica-containing filtered water, as the hydrogen ion concentration index is 7.2, which is close to neutral PH7. From this data, it can be known that the filtering effect of the present invention is at least not worse than the filtering method of silicon-containing silicon water. However, the present invention does not have the trouble of subsequent processing of Shixi silica.

Page 11 200536791 V. Description of the invention (8) Another feature of the present invention is the three aspects of the internal pressure of the filter cartridge (30) or the pressure of Lipu (20) and the water level of the waste liquid collection tank (10). To review filtering and security controls. First, as shown in the sixth figure, when the pressure gauge (35) rises to a predetermined pressure value, it means that the internal metal powder (1 2 1) has reached a certain amount, and it must be replaced with a new filter bag (7 〇), otherwise it is filtered. Efficiency will be reduced. Then, the on-site personnel can close (OFF) the on-off valve (25) of the waste liquid conveying pipe (22), and then open the cartridge cover (32) to take out the filter bag (70). However, the metal powder (1 2 1) attached to the inside of the bag body (7 0) still contains water. Therefore, the present invention further provides a pneumatic auxiliary device. Please also cooperate with the filter cartridge shown in the second figure ( The liquid injection tube (3 1 1) of 3〇) can be connected with an air injection tube (5 丨), the air injection tube (5 丨) is provided with an air pressure source by an air compressor (50), and an air injection tube (51) is provided with a On-off valve (5 2). Before the cylinder cover (3 2) is opened, the gas injection opening and closing valve (5 2) is opened (ON) 'At this time, the air pressure (53) is sent into the filter bag (70), and the metal powder contains Water is blown out of the bag, at this time the metal powder (丨 2 丨) will gradually build up to the bottom. Next, as shown in the seventh figure, the gas injection opening and closing valve (52) is closed (〇FF) ', and then the cylinder cover (3 2) is opened, and the finger grip (7 2 2) is taken out and filtered. The bag (70) is very convenient to replace, and when one of the filter cartridges (30) is closed and the filter bag (70) is replaced, the remaining parallel filter cartridges (30) are not affected, and the waste liquid can still be processed. As shown in Figures 1 and 2 again, in addition to examining the internal pressure of the transition cylinder (30) with the pressure gauge (35), the present invention can be further detected by the pressure at the output end of the pump (20). The alarm (2 4) measured within the filter cartridge (30)

Page 12 200536791 V. Description of the invention (9) part pressure, when the pressure reaches the set value, the pump will avoid sending waste liquid (12) to the filter cartridge (30) tank (1 0) when the water level reaches a predetermined height, overflow The position (1 3) sends the signal to the control box (60), and the on-site personnel are reminded by the police that the filter cartridge (30) must be cleaned. It can be set on the side of the machine (90), and there is a control on it. The box (60) is a common mechanism, and the invention can be sent to each of the parallel filter cartridges (30) without the help of the above-mentioned opening technique, and then passed through the filter bag (70), and then Use the metal powder (丨 2 1) in the waste liquid (1 2) of the bag body (7 丨) to effectively block the filtering effect. The filtered water recovery tank (40) has the composition shown in the delta test report, which is consistent with the requirements in the manufacturing process. Therefore, it can be recycled through a return pipe (4 3); water consideration (4 2) Return the resources in the process and improve the environmental protection effect. The present invention is aimed at the practical experience of the printed circuit board industry for many years, and the completion of the present invention is used by the operator. For all wastes of the same nature, the entire component can be disposed on a machine (90), which is comprehensive and practical. Compared with the current wastewater treatment, the methods disclosed in the present invention, "progressiveness" and "available Lupu (20)" are automatically stopped, and furthermore, when the waste liquid collection electrode (Water level detector) The indicator light (62) emits sound and light. The aforementioned control box (60) is the required control button (6 1), but it will be repeated. The waste liquid (1 2) is pumped from top to bottom. The precise breathability of the liquor spraying liquid side can be separated in the bag to achieve the recovered water collected. The original water needs to be used or a second pump (44) is used to make full use of the recycling design. The inventors have accumulated but the present invention is not limited to the PCB. The invention can be used, the small footprint does not take up space, and the safety method is more economical. With the device, it is indeed "novel 200536791"

Page 14 200536791 Brief description of the drawings [Illustration of the drawings] The first diagram is a schematic diagram of the structure of the present invention. The second figure is a schematic diagram of the filtering and circuit of the present invention. The third figure is a filtration sectional view of the present invention, which shows the waste liquid being injected. The fourth figure is a perspective sectional view of a filter bag of the present invention. The fifth figure is a partially enlarged schematic view of the filter bag composite multilayer cloth of the present invention. The sixth figure is a sectional view of the filter cartridge of the present invention, which shows that the waste liquid is stopped from being injected and injected into the air pressure. The seventh diagram is a schematic diagram of replacing the filter bag of the present invention. [Annex] 1. Test report of China Textile Industry Research Center. 2. Water quality sample inspection report of Yuanzhi University Environmental Science Center. [Illustration of drawing number] (10) Wastewater collection tank (11) Pipeline (1 2) Waste liquid (1 2 1) Metal powder (1 3) Overflow electrode (2 0) Pump (2 1) Suction tube (22) Conveying pipe

Page 15 200536791 Brief description of the diagram (2 3) Check valve (24) Pressure detection alarm (2 5) On-off valve (30) Filter cartridge (31) Cartridge (3 1 1) Filling tube (3 1 2) Supporting surface (32) Cylinder cover (3 2 1) Extension (322) Curved spray port (3 3) Mesh slot (34) Locking member (341) Bolt (342) Nut (343) Lug (35) Pressure gauge (4 0) Filter water recovery tank (4 1) Recovery pipe (42) Filter water (43) Return pipe (4 4) Second pump (50) Air compressor (5 1) Air injection pipe (5 2) On-off valve

Page 16 200536791 Schematic description (5 3) Air pressure (6 0) Control box (6 1) Control button (62) Warning light (70) Filter bag Φ (71) Bag body (711) Joint surface (7 1 2 ) Heat welding (7 2) positioning frame (721) outer frame edge (722) handle (80) filter material (81) first layer of cloth (82) second layer of cloth (83) third layer of cloth (84) fourth Layer cloth (85) Fifth layer cloth (90)

Page 17

Claims (1)

200536791 VI. Patent application scope: 1 kind of water resource, 1 waste liquid collection tank, 1 pump, its pump, its output end is connected to at least one mesh opening above the filter for a bag source precision recovery machine with an opening facing up It is used for mounting system, including: waste liquid discharged during the process; the suction end is connected with a suction pipe to the aforementioned waste liquid collection tank heat welding position frame and the barrel side is provided with a barrel body. Square, the cover made of the opening has to take care of the liquid pipe pressure gauge by extension, which must be an extension, the curved bottom end; and a water recovery filter, a conveying cylinder, a groove, and a filter bag It is above the bit frame and combined with the extension nozzle and the pump tube. The cylinder is prepared in the mesh and the cylinder cover, and the upper edge of the groove is positioned. 'The filter bag and a heat-fusion joint can be sleeved and assembled in the cylinder. Inside the extension of the outer frame edge locking member, the connecting edge of the conveying pipe is provided with a support surface formed on the inside of the tube body, and is formed on the support surface by a multi-layer cloth compounded above the bag body; Curved lid which injection port, the other of which the injection tube communicating Further, the cover body disposed grooves, provided in the recovery system a bottom surface of the cartridge lower tubular pipe water flowing out of the filter. 2 · The water resource precision recovery machine according to item 1 of the scope of the patent application, wherein the suction pipe of Lipu is provided with a check valve. 3. The water resource precision recovery machine according to item 1 of the scope of patent application, wherein a pressure detection alarm is provided on the output end of the pump. 4 · Precision water recycling machine as described in item 1 of the scope of patent application Page 18 200536791 6. Scope of patent application. Among them, the filtered water recovery tank further includes a second pump for sending the filtered water to the process for reuse. 5. The water resource precision recovery machine as described in item 1 of the scope of patent application, wherein the filter and the cylinder are a plurality of, and are installed in parallel by the liquid injection pipe on the side of the cylinder and the pump delivery pipe . 6. The water resource precision recovery machine according to item 1 or 5 of the scope of patent application, wherein an opening and closing valve is further included between the liquid injection pipe and the conveying pipe. 7. The water resource precision recovery machine according to item 1 or 5 of the scope of patent application, wherein the liquid injection pipe of the filter cartridge is further connected with an air injection pipe, and the air injection pipe is provided with an air pressure source by an air compressor, and the air injection pipe There is an on-off valve. 8 · The water resource precision recovery machine described in item 1 of the scope of patent application, wherein the filter bag is provided with two handles on the inner periphery of the positioning frame. 9. The water resource precision recovery machine as described in item 1 of the scope of patent application, wherein the bag system of the filter bag is a filter material composed of five layers of polypropylene. 10 · The water resource precision recovery machine according to item 1 of the scope of patent application, wherein the waste liquid collection tank is provided with an overflow electrode. Page 19