CN112569624A - Net washing liquid recovery equipment and net washing liquid recovery method - Google Patents
Net washing liquid recovery equipment and net washing liquid recovery method Download PDFInfo
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- CN112569624A CN112569624A CN202011540912.XA CN202011540912A CN112569624A CN 112569624 A CN112569624 A CN 112569624A CN 202011540912 A CN202011540912 A CN 202011540912A CN 112569624 A CN112569624 A CN 112569624A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/146—Multiple effect distillation
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Abstract
The application provides a net washing liquid recovery device and a net washing liquid recovery method. The net washing liquid recovery equipment comprises a frame body, a distillation device, a condensing device and a vacuum decompression pump. The frame body comprises a main frame, a first bracket and a second bracket; the distilling device comprises an accommodating body, a heating core body, a distilling barrel and a barrel cover, wherein the accommodating body is movably connected with a first support and a second support respectively; the condensing device comprises a condenser and a condensing pipe, the condensing pipe is arranged in the condenser, the condenser is connected with the accommodating body, and the condensing pipe is communicated with the condensing port. The mesh washing liquid recovery equipment and the mesh washing liquid recovery method can effectively recycle the mesh washing liquid, avoid environmental pollution and reduce resource waste.
Description
Technical Field
The invention relates to the technical field of printed circuit board production, in particular to a screen washing liquid recovery device and a screen washing liquid recovery method.
Background
Printed circuit boards, referred to as pcbs (printed circuit boards), generally include conductive patterns formed by forming printed circuits, printed components, or a combination thereof on an insulating material according to a predetermined design. And a conductive pattern on the insulating substrate that provides electrical connection between the components is called a printed wiring. The finished board of the printed circuit or printed circuit is then referred to as a printed circuit board, also known as a printed circuit board or printed circuit board. Electronic equipment which can be seen by people almost cannot be separated from a printed circuit board, is as small as an electronic watch, a calculator and a general computer, and is as large as a computer, communication electronic equipment and a military weapon system, and the printed circuit board is used for electrical interconnection among the electronic equipment, the calculator, the general computer, the communication electronic equipment and the military weapon system as long as integrated circuits and other electronic devices are available.
The main function of the solder mask of the printed circuit board is to protect the part which does not need to be pasted with components by solder mask ink, thereby preventing short circuit and protecting circuits in the welding process, so that the printed circuit board is not oxidized and corroded when exposed in the air, and the means for realizing the purpose mainly comprises screen printing and ink spraying processes. The net washing liquid used in the inner layer coating line and the solder mask spraying line is mainly used for cleaning ink on the transmission wheel and avoiding abnormal transmission and oil accumulation at the board edges of the circuit board caused by ink accumulation on the transmission wheel.
However, the net washing liquid is easy to volatilize, more net washing liquid waste liquid is generated every day in each line, and the generated waste liquid is directly transported to a waste water treatment plant for treatment and is not recycled, so that not only is great waste caused, but also adverse effects are caused to the environment.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the mesh washing liquid recovery equipment and the mesh washing liquid recovery method which can effectively recycle the mesh washing liquid, avoid environmental pollution and reduce resource waste.
The purpose of the invention is realized by the following technical scheme:
a web wash recovery apparatus comprising:
the rack body comprises a main rack frame, a first support and a second support, wherein the first support is connected to one side of the main rack frame, and the second support is connected to the other side of the main rack frame;
the distillation device comprises an accommodating body, a heating core body, a distillation barrel and a barrel cover, wherein the accommodating body is movably connected with the first support and the second support respectively, the accommodating body is provided with an accommodating groove, a condensation port and a pressure reduction port, the accommodating groove is communicated with the condensation port and the pressure reduction port respectively, the heating core body is positioned in the accommodating groove and is connected with the accommodating body, a placing groove communicated with the accommodating groove is formed in the heating core body, the distillation barrel is positioned in the placing groove and is connected with the heating core body, the barrel cover is hinged with the accommodating body, and the barrel cover is arranged in the accommodating groove in a covering manner;
the condensing device comprises a condenser and a condensing pipe, the condenser is wrapped on the condensing pipe, one end of the condensing pipe is communicated with the periphery of the condenser, the other end of the condensing pipe is communicated with the condensing port, and the condenser is connected with the accommodating body;
vacuum pressure reduction pump, vacuum pressure reduction pump includes connecting pipe, pressure reduction pump and row's material pipe, the connecting pipe with the decompression mouth intercommunication, the pump-out mouth of pressure reduction pump with the connecting pipe intercommunication, arrange the material pipe with the bin outlet intercommunication of pressure reduction pump.
In one embodiment, the device for recovering the mesh washing liquid further comprises a positioning pin, the first bracket is provided with a first pin hole, the accommodating body is provided with a second pin hole corresponding to the first pin hole, and the positioning pin is respectively inserted into the first pin hole and the second pin hole.
In one embodiment, the distillation barrel is provided with a feed inlet, and the feed inlet is used for being communicated with a material suction pipe.
In one embodiment, the mesh washing liquid recovery device further comprises a locking bolt, a first threaded hole is formed in one end of the barrel cover, which is far away from the hinged position of the barrel cover and the distillation barrel, a second threaded hole is formed in the position of the distillation barrel, which corresponds to the first threaded hole, and the locking bolt is respectively arranged in the first threaded hole and the second threaded hole in a penetrating manner.
In one embodiment, the condenser is provided with a water inlet, a water outlet and a refrigeration cavity, the water inlet and the water outlet are both communicated with the refrigeration cavity, the water inlet is arranged on one side close to the condensation opening, the water outlet is arranged on the other side far away from the condensation opening, and the condensation pipe is wrapped in the refrigeration cavity.
In one embodiment, the inner wall of the distillation barrel is provided with a liquid level indicating line.
In one embodiment, the mesh washing liquid recovery device further comprises a first switch valve, and the first switch valve is arranged on the connecting pipe.
In one embodiment, the mesh washing liquid recovery device further comprises a second switch valve, and the second switch valve is arranged on the discharge pipe.
In one embodiment, a drainage nozzle is convexly arranged on the outer wall of the accommodating body, and the drainage nozzle is communicated with the accommodating groove.
A recovery method of a mesh washing liquid, which adopts the mesh washing liquid recovery device of any embodiment to carry out recovery operation, comprises the following steps:
checking the tightness of the distillation apparatus;
putting the net washing liquid to be recovered into the distillation device;
carrying out multi-section distillation operation on the to-be-recovered mesh washing liquid to obtain distilled mesh washing liquid;
condensing the distilled net washing liquid to obtain a recyclable net washing liquid;
and carrying out centralized treatment on the residue after the distillation operation and the condensation operation are finished.
Compared with the prior art, the invention has at least the following advantages:
1. the invention discloses a net washing liquid recovery device, which is characterized in that a distillation device is arranged in the net washing liquid recovery device, the distillation device comprises a containing body, a heating core body, a distillation barrel and a barrel cover, the containing body is movably connected with a first support and a second support respectively, the heating core body is placed in the containing body, the distillation barrel covers the heating core body, the net washing liquid to be recovered in the distillation barrel is heated through the heating core body and is heated to be boiled, and the net washing liquid to be recovered is converted into a gas state from a liquid state. Gaseous net washing liquid is cooled by condensing equipment, is become liquid by gaseous state transformation, becomes clean net washing liquid and flows out to realize the effective recovery to net washing liquid, avoid the pollution of environment and reduce the wasting of resources.
2. The vacuum decompression pump is arranged in the mesh washing liquid recovery device and comprises a connecting pipe, a decompression pump and a discharge pipe, the connecting pipe is communicated with the decompression port, and the decompression pump is communicated with the connecting pipe, so that the pressure in a distillation device system can be reduced through the decompression pump to reduce the boiling point of the mesh washing liquid, high-boiling-point substances in the mesh washing liquid and compounds which are subjected to thermal decomposition, oxidation or polymerization when the boiling point is not reached during normal-pressure distillation can be effectively separated and purified, the purity of the recovered mesh washing liquid is ensured to meet the production requirements, and potential quality hazards cannot be caused.
3. Because condensing equipment includes condenser and condenser pipe, in the condenser was located to the condenser, condenser and container body coupling, condenser pipe and condensation port intercommunication made the cooling water exchange fast, the cross-section temperature difference of cooling water is big, retrieves the net washing liquid more effectively to reach the emission reduction of environmental protection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a web-washing liquid recovery apparatus in an embodiment;
FIG. 2 is a schematic structural diagram of a distillation apparatus in the web washing liquid recovery apparatus shown in FIG. 1;
FIG. 3 is a schematic flow diagram of a web wash recovery method employed by the web wash recovery apparatus shown in FIG. 1;
fig. 4 is a schematic flow chart of checking the sealing performance of the distillation apparatus in the web washing liquid recovery method shown in fig. 3.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The application provides a wash net liquid recovery plant, including support body, distillation plant, condensing equipment and vacuum decompression pump. The rack body comprises a main rack frame, a first support and a second support, wherein the first support is connected to one side of the main rack frame, and the second support is connected to the other side of the main rack frame; the distillation device comprises an accommodating body, a heating core body, a distillation barrel and a barrel cover, wherein the accommodating body is movably connected with the first support and the second support respectively, the accommodating body is provided with an accommodating groove, a condensation port and a pressure reduction port, the accommodating groove is communicated with the condensation port and the pressure reduction port respectively, the heating core body is positioned in the accommodating groove and is connected with the accommodating body, the heating core body is provided with a placing groove communicated with the accommodating groove, the distillation barrel is positioned in the placing groove and is connected with the heating core body, the barrel cover is hinged with the accommodating body, and the barrel cover is arranged in the accommodating groove; the condensing device comprises a condenser and a condensing pipe, the condenser is wrapped on the condensing pipe, one end of the condensing pipe is communicated with the periphery of the condenser, the other end of the condensing pipe is communicated with the condensing port, and the condenser is connected with the accommodating body; the vacuum decompression pump includes connecting pipe, decompression pump and row's material pipe, the connecting pipe with the decompression mouth intercommunication, the pump opening of decompression pump with the connecting pipe intercommunication, arrange the material pipe with the bin outlet intercommunication of decompression pump.
The net washing liquid recovery equipment is provided with the distillation device, the distillation device comprises the accommodating body, the heating core body, the distillation barrel and the barrel cover, the accommodating body is movably connected with the first support and the second support respectively, the heating core body is placed in the accommodating body, the distillation barrel covers the heating core body, the net washing liquid to be recovered in the distillation barrel is heated through the heating core body and is heated to boiling, and the net washing liquid to be recovered is converted from a liquid state to a gaseous state. Gaseous net washing liquid is cooled by condensing equipment, is become liquid by gaseous state transformation, becomes clean net washing liquid and flows out to realize the effective recovery to net washing liquid, avoid the pollution of environment and reduce the wasting of resources. Further, this application is equipped with the vacuum decompression pump among washing net liquid recovery plant, the vacuum decompression pump includes the connecting pipe, the decompression pump is with arranging the material pipe, connecting pipe and decompression mouth intercommunication, the material mouth and the connecting pipe intercommunication of decompressing the pump, so, can reduce the pressure in the distillation plant system and reduce the boiling point of washing net liquid through the decompression pump, thereby can separate effectively and purify the high boiling point material in the washing net liquid and those not reach the boiling point when atmospheric distillation and just heated decomposition, oxidation or polymeric compound, and then guarantee that the purity of the washing net liquid of retrieving accords with the production requirement, can not lead to the quality hidden danger. And because the condensing device comprises a condenser and a condensing pipe, the condensing pipe is arranged in the condenser, the condenser is connected with the accommodating body, and the condensing pipe is communicated with the condensing port, the cooling water is rapidly exchanged, the temperature difference of the cross section of the cooling water is large, and the net washing liquid is more effectively recovered, thereby achieving the emission reduction of environmental protection.
For better understanding of the web washing liquid recycling apparatus of the present invention, the web washing liquid recycling apparatus of the present invention is further explained below with reference to fig. 1, which is a schematic view of a web washing liquid recycling apparatus 10 according to an embodiment of the present invention.
As shown in fig. 1, a web washing liquid recovery apparatus 10 of an embodiment is used to recover web washing liquid. The screen washing liquid is used for washing ink on the conveying wheels on the inner layer coating line and the solder mask coating line, so that abnormal conveying or board edge oil accumulation of the circuit board caused by ink accumulation of the conveying wheels in the process of conveying the circuit board is avoided. In one embodiment, the web wash recovery apparatus includes a frame 100, a distillation device 200, a condensing device 300, and a vacuum decompression pump 400. The shelf body 100 includes a main frame 110, a first bracket 120 and a second bracket 130, the first bracket 120 is connected to one side of the main frame 110, and the second bracket 130 is connected to the other side of the main frame 110; the distilling device 200 comprises a containing body 210, a heating core 220, a distilling barrel 230 and a barrel cover 240, wherein the containing body 210 is movably connected with the first support 120 and the second support 130 respectively, the containing body 210 is provided with a containing groove, a condensation port 232 and a pressure reduction port 234, the containing groove is communicated with the condensation port 232 and the pressure reduction port 234 respectively, the heating core 220 is positioned in the containing groove and connected with the containing body 210, a placing groove communicated with the containing groove is formed in the heating core 220, the distilling barrel 230 is positioned in the placing groove and connected with the heating core 220, the barrel cover 240 is hinged with the containing body 220, and the barrel cover 240 is covered on the containing groove; the condensing device 300 comprises a condenser 310 and a condensing pipe 320, wherein the condenser 310 is wrapped on the condensing pipe 320, one end of the condensing pipe 320 is communicated with the periphery of the condenser 310, the other end of the condensing pipe 320 is communicated with the condensing port 232, and the condenser 310 is connected with the accommodating body 210; the vacuum decompression pump 400 includes a connection pipe 410, a decompression pump 420, and a discharge pipe 430, the connection pipe 410 is communicated with the decompression port 234, a pumping port of the decompression pump 420 is communicated with the connection pipe 410, and the discharge pipe 430 is communicated with a discharge port of the decompression pump 420.
In this embodiment, the rack body 100 includes a main frame 110, a first bracket 120 and a second bracket 130, the first bracket 120 is connected to one side of the main frame 110, the second bracket 130 is connected to the other side of the main frame 110, the distillation apparatus 200 can be mainly supported by the main frame, and the first bracket 120 and the second bracket 130 can be mainly fixed, so as to ensure the stability of the web washing liquid recovery apparatus 10 during operation. The distilling apparatus 200 comprises a containing body 210, a heating core 220, a distilling barrel 230 and a barrel cover 240, wherein the containing body 210 is movably connected with the first support 120 and the second support 130 respectively, the heating core 220 is placed in the containing body 210, the distilling barrel 230 is covered on the heating core 220, the to-be-recovered mesh washing liquid in the distilling barrel 230 is heated by the heating core 220 and is heated to boiling, and the to-be-recovered mesh washing liquid is converted from liquid state to gas state. Gaseous net washing liquid is cooled by condensing equipment 300 back, is become clean net washing liquid outflow by gaseous phase transformation to realize the effective recovery to net washing liquid, avoid the pollution of environment and reduce the wasting of resources. The condensing device 300 comprises a condenser 310 and a condensing pipe 320, the condensing pipe 320 is arranged in the condenser 310, the condenser 310 is connected with the accommodating body 210, the condensing pipe 320 is communicated with the condensing port 232, cooling water is rapidly exchanged, the temperature difference of the cross section of the cooling water is large, and the mesh washing liquid is more effectively recovered, so that the emission reduction of environmental protection is achieved. Further, vacuum pressure reduction pump 400 includes connecting pipe 410, pressure reduction pump 420 and row's material pipe 430, connecting pipe 410 and decompression mouth 234 intercommunication, pressure reduction pump 420 and connecting pipe 410 intercommunication, so, can reduce the pressure in distillation plant 200 system through pressure reduction pump 420 and reduce the boiling point of washing net liquid, thereby can separate and purify effectively that the high boiling point material in the washing net liquid and those have not reached the boiling point when atmospheric distillation and just have been heated decomposition, oxidation or polymeric compound, and then guarantee that the purity of the washing net liquid of retrieving accords with the production requirement, can not lead to the quality hidden danger.
As shown in fig. 1, in one embodiment, the device for recovering the net washing liquid further includes a positioning pin 700, the first bracket 120 is provided with a first pin hole, the accommodating body 210 is provided with a second pin hole corresponding to the first pin hole, and the positioning pin is respectively inserted into the first pin hole and the second pin hole. It can be understood that, the accommodating body 210 is movably connected with the first support 120 and the second support 130, and the distillation barrel 230 is disposed in the accommodating body 210, and after the net washing liquid to be recovered in the distillation barrel 230 completes the distillation and condensation operation, the distillation barrel 230 can rotate relative to the first support 120 and the second support 130, so as to dump the distillation barrel 230, and conveniently clean the residue in the distillation barrel 230. In this embodiment, the accommodating body 210 is pinned to the first bracket 120, and before the distilling apparatus 200 performs the distilling operation, the positioning pin 700 is inserted into a pinned position between the accommodating body 210 and the first bracket 120, so that the accommodating body 210 is fixed to the first bracket 120, that is, the accommodating body 210 is fixed to the frame body 100, thereby ensuring the stability of the mesh washing liquid to be recovered in the accommodating body 210 during the distilling and condensing processes. In addition, after the distillation device 200 completes the distillation operation, the positioning pin at the pin connection position of the accommodating body 210 and the first support 120 is unscrewed, and then the accommodating body 210 is rotated, so that the accommodating body 210 and the distillation barrel 230 are tilted to a predetermined angle, and further the residue solution in the distillation barrel 230 is poured to the centralized processing barrel 500, so as to perform centralized processing on the residue solution, and prevent the residue from polluting the environment.
As shown in fig. 2, in order to save labor cost and improve feeding efficiency, in one embodiment, the distillation barrel 230 is provided with a feeding hole 236, and the feeding hole 236 is used for communicating with the suction pipe. In this embodiment, the distillation barrel 230 is provided with a feeding hole 236, the feeding hole is used for being communicated with a suction pipe for feeding, the web washing liquid to be recovered can be sucked through the suction pipe, and then the web washing liquid to be recovered is conveyed into the distillation barrel 230 through the feeding hole 236. Through using to inhale material pipe and feed inlet 236 and carry out the feeding operation, the cost of using manpower sparingly improves feed efficiency.
As shown in fig. 1, in order to improve the sealing performance in the distillation barrel 230 and further improve the distillation effect of the mesh washing liquid to be recovered, in one embodiment, the mesh washing liquid recovery apparatus 10 further includes a locking bolt 800, a first threaded hole 242 is formed in one end of the barrel cover 240 away from the hinged portion of the barrel cover 240 and the distillation barrel 230, a second threaded hole 212 is formed in the position of the distillation barrel 230 corresponding to the first threaded hole 242, and the locking bolt 800 is respectively inserted into the first threaded hole 242 and the second threaded hole 212. It can be understood that during the distillation process, a higher pressure is generated in the distillation barrel 230, so as to generate an outward pressure on the barrel cover 240, so that the barrel cover 240 is separated from the distillation barrel 230, thereby affecting the distillation effect. In this embodiment, a first threaded hole 242 is formed at an end of the barrel cover 240 away from a hinge joint of the barrel cover 240 and the distillation barrel 230, a second threaded hole 212 is formed at a position of the distillation barrel 230 corresponding to the first threaded hole 242, and the first threaded hole 242 and the second threaded hole 212 can be connected by a bolt. After the mesh washing liquid to be recovered is conveyed to the distillation barrel 230, the barrel cover 240 is closed, the first threaded hole 242 is formed in one end, away from the hinged position of the barrel cover 240 and the distillation barrel 230, of the barrel cover 240, the second threaded hole 212 is formed in the position, corresponding to the first threaded hole 242, of the distillation barrel 230, the first threaded hole 242 and the second threaded hole 212 are penetrated through by bolts and are screwed in a rotating mode, the barrel cover 240 and the distillation barrel 230 are fixed together, and therefore air tightness in the distillation barrel 230 is guaranteed. Further, a sealing gasket is provided at a side of the bottom of the tub cover 240 facing the inside of the distillation tub 230. When the barrel cover 240 is closed, the gap between the barrel cover 240 and the distillation barrel 230 can be filled with the sealing washer, so that the sealing performance in the distillation barrel 230 is further improved, and the distillation effect of the to-be-recovered net washing liquid is further improved.
As shown in fig. 1, in one embodiment, the condenser 310 is provided with a water inlet 312, a water outlet 314 and a refrigeration cavity, the water inlet 312 and the water outlet 314 are both communicated with the refrigeration cavity, the water inlet 312 is provided at one side close to the condensation opening 232, the water outlet 314 is provided at the other side far from the condensation opening 232, and the condensation pipe 320 is covered in the refrigeration cavity. It can be understood that the condenser 310 is an indispensable cooling device in the distillation and reflux device, the existing condenser 310 is usually directly connected to a tap, and the flowing of tap water is utilized to perform the condensation function, but the temperature of tap water is different in different seasons, especially in hot summer, the temperature is very high, the temperature of corresponding tap water is also high, and at this time, the tap water cannot perform the condensation function well. On the other hand, the tap water is generally directly flowed to the sewer after passing through the condensation pipe 320, causing waste of water resource. In this embodiment, the condenser 310 is provided with a water inlet 312 and a water outlet 314, a refrigeration cavity is arranged between the water inlet 312 and the water outlet 314, the refrigeration cavity is provided with a refrigerant inlet and a refrigerant outlet, and a refrigerant is filled in the refrigeration cavity and is formed by mixing 35% -45% of difluorochloromethane, 40% -50% of chlorodifluoroethane and 5% -10% of difluoroethane in percentage by weight. Due to the action of the refrigerant, the condensed water flowing in the condenser 310 keeps a lower temperature, has a better condensation effect, can be recycled, has a good condensation effect and saves water resources.
In one embodiment, the inner wall of the distillation barrel 230 is provided with a liquid level indicating line. It can be understood that when the material is fed into the distillation barrel 230, it is easy to feed too much material at a time, thereby affecting the effect of the distillation operation. In this embodiment, the inner wall of distillation bucket 230 is equipped with the liquid level indicator line, can play the warning effect, and wherein the liquid level indicator line includes the highest liquid level indicator line, avoids appearing disposable reinforced too much and influence the effect of distillation operation. Further, still be equipped with liquid level inductor and siren in the distillation barrel 230, can respond to through the liquid level inductor and wait to retrieve and wash whether net liquid surpasss the highest liquid level indicating line, sense when waiting to retrieve and wash when net liquid surpasss the highest liquid level indicating line as the liquid level inductor, will surpass liquid level signal and carry to the siren in, when the siren received super liquid level signal, send out alarm sound, further play the effect of warning, prevent to wait to retrieve and wash net liquid and surpass the highest liquid level indicating line, guarantee to wait to retrieve the distillation effect of washing net liquid.
In one embodiment, the connection tube 410 is removably connected to the reduced-pressure port 234. Specifically, the pressure reducing port 234 is provided with a threaded hole, and the connecting pipe 410 is inserted into the threaded hole and is screwed with the threaded hole. It can be understood that, when the accommodating body 210 and the distillation barrel 230 are tilted, the connecting tube 410 is detached from the threaded hole, so as to prevent the connecting tube 410 from being twisted or even scrapped during the tilting process of the accommodating body 210 and the distillation barrel 230.
In one embodiment, the web wash recovery apparatus 10 further comprises a buffer pad 140, wherein the buffer pad 140 is disposed on a surface of the main frame 110. It can be understood that, since the surface of the main frame 110 is provided with the buffer pad 140, the accommodating body 210 and the distillation barrel 230 can generate buffering and protecting effects when contacting the main frame 110 after being toppled over, thereby preventing the solution from splashing or damaging the accommodating body 210 due to collision.
In one embodiment, the first bracket 120 includes a first sleeve 1220, and the first sleeve 1220 is connected to one end of the first bracket 120. The second bracket 130 includes a second cover member 1320, the second cover member 1320 being attached to one end of the second bracket 130. The accommodating body 210 is provided with a first protruding column 2120 and a second protruding column 2130, the first protruding column 2120 penetrates through the first sleeve 1220, so that the first protruding column 2120 rotates relative to the first sleeve 1220, and the second protruding column 2130 penetrates through the second sleeve 1320, so that the second protruding column 2130 rotates relative to the second sleeve 1320. In this embodiment, the first protruding pillar 2120 rotates relative to the first sleeve 1220, and the second protruding pillar 2130 rotates relative to the second sleeve 1320, so as to realize the tilting operation of the accommodating body 210 and the distillation barrel 230, and thus the residue in the distillation barrel 230 can be conveniently cleaned.
Further, the first sleeve 1220 and the second sleeve 1320 are ball bearings. In this embodiment, the first protruding pillar 2120 and the second protruding pillar 2130 are respectively inserted into the ball bearings, so as to reduce the friction force during the power transmission process and improve the transmission efficiency of the mechanical power by rolling, thereby making the accommodating body 210 and the distillation barrel 230 more smooth during the dumping process.
Furthermore, the first convex column is provided with a torsional spring, the torsional spring comprises a first connecting end, a second connecting end and a spring body, the spring body is respectively connected with the first connecting end and the second connecting end, the first connecting end is connected with the accommodating body, and the second connecting end is connected with the first sleeve. It can be understood that, after the holding body emptys, torsional spring deflection is the biggest, and elasticity is the biggest, and after the waste liquid emptys and loosens in the holding body, the holding body is automatic rotates to the normal position for first support and second support, realizes automatic re-setting, makes the holding body return.
In one embodiment, an insulation sleeve 600 is disposed between the accommodating body 210 and the condenser 310, and the insulation sleeve 600 is connected to an outer wall of the accommodating body 210 and an outer wall of the condenser 310, respectively. It can be understood that, when the distillation apparatus 200 performs the distillation process, a part of heat is transferred from the heating core 220 to the outer wall of the accommodating body 210 through heat transfer, thereby affecting the condensation effect of the condensation apparatus 200. In the embodiment, the heat insulation sleeve 600 is disposed between the accommodating body 210 and the condenser 310, so that the condensing device 200 can effectively insulate heat generated by the outer wall of the accommodating body 210, and further the condensing effect of the condensing device 200 is improved.
As shown in fig. 1, in one embodiment, the net wash recovery apparatus 10 further includes a first on-off valve 440, and the first on-off valve 440 is disposed on the connection pipe 410. It can be understood that the pressure in the distillation apparatus 200 system can be reduced by the pressure-reducing pump 420 to reduce the boiling point of the web-washing liquid, so that the high-boiling-point substances and the compounds which are thermally decomposed, oxidized or polymerized without reaching the boiling point in the atmospheric distillation can be effectively separated and purified, and the purity of the recovered web-washing liquid can meet the production requirements without causing quality hidden troubles. In this embodiment, the first switch valve 440 is provided in the connection pipe 410, the first switch valve 440 is connected to the pressure reducing pump 420 and the connection pipe 410, respectively, and the air suction operation of the pressure reducing pump 420 to the distillation apparatus 200 can be controlled by the first switch valve 440, that is, the first switch valve 440 is opened when the air suction operation is performed, so as to perform the air suction operation to the inside of the distillation apparatus 200 and reduce the air pressure in the distillation apparatus 200; when the air extraction operation is stopped, the first switch valve 440 is closed to stop the air extraction operation in the distillation apparatus 200, so as to better control the reduced pressure distillation operation in the distillation apparatus 200 and improve the distillation effect of the net washing liquid to be recovered.
As shown in fig. 1, in one embodiment, the device 10 further includes a second on-off valve 450, and the second on-off valve 450 is disposed in the discharge pipe 430. In this embodiment, the second switch valve 450 is provided between the discharge pipe 430 and the decompression pump 420, the second switch valve 450 is connected to the discharge pipe 430 and the decompression pump 420, respectively, the discharge pipe 430 is connected to the decompression pump 420, the discharge in the decompression pump 420 can be controlled by the second switch valve 450, when the decompression pump 420 discharges, the second switch valve 450 is opened, and the first switch valve 440 is closed at the same time, so as to prevent air from being sucked into the decompression pump 420 and blocking the discharge process of the decompression pump 420. When the decompression pump 420 stops discharging, the second on-off valve 450 is closed. That is to say, can control the row material in the decompression pump 420 through second ooff valve 450, improve the row material effect in the decompression pump 420, guarantee the decompression effect to distillation plant 200 simultaneously, promote the distillation effect of waiting to retrieve the net washing liquid.
As shown in fig. 2, in one embodiment, a drainage nozzle 250 is protruded from an outer wall of the accommodating body 210, and the drainage nozzle 250 is communicated with the accommodating groove. It can be understood that after the distillation apparatus 200 completes the distillation operation, the positioning pin 700 at the pin connection position of the accommodating body 210 and the first bracket 120 is unscrewed, and then the accommodating body 210 is rotated, so that the accommodating body 210 and the distillation barrel 230 are tilted to a predetermined angle, and the residue solution in the distillation barrel 230 is poured to the centralized processing barrel 500. In the process of pouring out the residual solution, the residual solution is easily splashed out because the opening of the distillation barrel 230 is wide and flat. In this embodiment, distillation apparatus 200 still is equipped with drainage mouth 250, and drainage mouth 250 is connected with the bung hole of distillation bucket 230, through drainage mouth 250's setting, assembles the residue solution to drainage mouth 250, pours into residue solution recovery plant into by drainage mouth 250 in, can avoid the spill of residue solution effectively to promote residue solution rate of recovery, protect operating environment simultaneously, prevent to cause the pollution to the environment.
The application also provides a recovery method of the net washing liquid, which comprises part or all of the following steps: putting the net washing liquid to be recovered into a distillation device, and checking the sealing property of the distillation device; carrying out multi-section distillation operation on the screen washing liquid to be recovered to obtain distilled screen washing liquid; condensing the distilled net washing liquid to obtain a recyclable net washing liquid; and carrying out centralized treatment on the residue after the distillation operation and the condensation operation are finished.
According to the recovery method of the mesh washing liquid, the mesh washing liquid to be recovered is subjected to distillation separation and then is condensed and recovered, so that the mesh washing liquid to be recovered is effectively recycled. The recovery method of the mesh washing liquid adopts multi-stage distillation operation, specifically, the mesh washing liquid is automatically recovered according to multi-stage temperature and multi-stage time, and the heating temperature is set in a plurality of single stages, so that solvents with different boiling points are distilled and separated in batches from low temperature and high temperature in sequence, and the phenomenon that the solvents with low boiling points are heated to the highest temperature at the beginning to cause excessive boiling and foaming of the solvents with low boiling points, so that the liquid inlet pipeline of the mesh washing liquid to be recovered containing impurities is blocked. The clogging problem can be effectively solved by adopting the multi-stage distillation operation, thereby effectively recycling the net washing liquid.
As shown in fig. 3, in order to better understand the recovery method of the web washing liquid of the present invention, the following further explains the recovery method of the web washing liquid of the present invention, and the recovery method of the web washing liquid of an embodiment includes a part or all of the following steps:
and S100, checking the sealing performance of the distillation device.
In the embodiment, the sealing performance of the distillation device is checked to ensure that the distillation device is free from blockage or air leakage, and further ensure the distillation effect of the mesh washing liquid to be recovered.
And S200, putting the mesh washing liquid to be recovered into the distillation device.
In this embodiment, the feed inlet has been seted up to the distillation barrel, and the feed inlet is used for the intercommunication to inhale the material pipe and carries out the feeding, can absorb through inhaling the material pipe and wait to retrieve and wash the net liquid, will wait to retrieve again via the feed inlet and wash the net liquid and carry to the distillation barrel in, will be about to wait to retrieve and wash the net liquid and put into distillation plant, carries out the feeding operation through using inlet pipe and feed inlet, can use manpower sparingly cost, improves feeding efficiency.
S300, carrying out multi-section distillation operation on the to-be-recovered screen washing liquid to obtain distilled screen washing liquid.
In this embodiment, the to-be-recovered mesh washing liquid is subjected to multi-stage distillation operation, specifically, the to-be-recovered mesh washing liquid is automatically recovered according to multi-stage temperature and multi-stage time, and the heating temperature is set in a plurality of single stages, so that solvents with different boiling points are distilled and separated in batches from low temperature and high temperature in sequence, and the problem that the low-boiling-point solvent is heated to the highest temperature at the beginning to cause excessive boiling and foaming, so that the to-be-recovered mesh washing liquid containing impurities flows into a pipeline to cause blockage is avoided. The clogging problem can be effectively solved by adopting the multi-stage distillation operation, thereby effectively recycling the net washing liquid.
S400, condensing the distilled net washing liquid to obtain the recyclable net washing liquid.
In this embodiment, the condensation operation is performed on the distilled web washing liquid, and it can be understood that, after the heating temperature reaches the set temperature, the solvent in the distillation barrel generates steam and then is subjected to condensation operation through the condensation device, and the steam state is converted into the liquid solvent and flows out from the solvent port of the condensation pipe, so as to obtain the recyclable web washing liquid solvent.
And S500, carrying out centralized treatment on the residues after the distillation operation and the condensation operation are finished.
In this embodiment, the step of collectively processing the residue after completion of the distillation operation and the condensation operation, specifically, the step of collectively processing the residue after completion of the distillation operation and the condensation operation includes: firstly, after the distillation operation and the condensation operation of the distillation device are finished, disassembling a positioning pin at the joint of the accommodating body and the first support pin; then the accommodating body is rotated to enable the accommodating body and the distillation barrel to be poured to a preset angle, and then the residue solution in the distillation barrel is poured to the centralized processing barrel so as to be conveniently and centrally processed, and the residue is prevented from polluting the environment.
In one embodiment, the multi-stage distillation operation comprises a first stage distillation, a second stage distillation, a third stage distillation, and a fourth stage distillation. Wherein, the first stage distillation is a distillation treatment operation carried out for 50 minutes to 70 minutes at a first preset temperature, the second stage distillation is a distillation treatment operation carried out for 40 minutes to 60 minutes at a second preset temperature, the third stage distillation is a distillation treatment operation carried out for 40 minutes to 60 minutes at a third preset temperature, and the fourth stage distillation is a distillation treatment operation carried out for 40 minutes to 60 minutes at a fourth preset temperature. Further, the first preset temperature is 115-125 ℃, the second preset temperature is 130-140 ℃, the third preset temperature is 145-155 ℃, and the fourth preset temperature is 155-165 ℃. In this example, the web-washing liquid to be recovered was subjected to distillation treatment at 120 ℃ for 60 minutes, at 135 ℃ for 50 minutes, at 150 ℃ for 50 minutes, and at 160 ℃ for 50 minutes in this order, so that the solvents with different boiling points in the web-washing liquid to be recovered were distilled and separated in stages in order to prevent the foaming of the low-boiling solvent due to excessive boiling, thereby further improving the distillation effect of the web-washing liquid to be recovered.
As shown in fig. 4, in one embodiment, the operation of checking the leak tightness of the distillation apparatus comprises part or all of the following steps:
and S110, taking down the barrel cover of the distillation barrel and cutting off the power supply.
And S120, blowing 0.2bar of compressed air into the distillation barrel from a suction pipe, and closing the barrel cover after confirming that the compressed air can be smoothly blown out from a steam inlet pipe in the distillation barrel.
In this embodiment, 0.2bar of compressed air is blown into the distillation barrel through the suction pipe, and if the compressed air can be smoothly blown out from the vapor inlet pipe in the distillation barrel, it means that the blockage phenomenon does not exist in the distillation device.
S130, after the barrel cover is closed, continuously blowing the compressed air into the distillation barrel until the air pressure in the distillation barrel reaches 0.2 bar.
In this embodiment, after the barrel cover is closed, the compressed air is continuously blown into the distillation barrel until the air pressure in the distillation barrel reaches 0.2bar, so as to maintain the air pressure in the distillation barrel in a balanced state of 0.2bar, thereby detecting whether the distillation device leaks air. Thus, the air tightness and the blockage of the distillation device can be checked at one time, and the operation is simple.
Example 1
And (5) carrying out air tightness inspection on the net washing liquid recovery equipment, taking down a barrel cover of the distillation barrel and cutting off a power supply. Blowing compressed air of 0.2bar into the distillation barrel from the material suction pipe, and closing the barrel cover after confirming that the compressed air can be smoothly blown out from a steam inlet pipe in the distillation barrel. After closing the barrel cover, compressed air is continuously blown into the distillation barrel until the air pressure in the distillation barrel reaches 0.2 bar. After determining that the net washing liquid recovery equipment has no air leakage and blockage problems, putting the net washing liquid to be recovered into a distillation device, and performing multi-section distillation operation on the net washing liquid to be recovered, so that the net washing liquid to be recovered is subjected to distillation treatment operation for 50 minutes at 115 ℃, distillation treatment operation for 40 minutes at 130 ℃, distillation treatment operation for 40 minutes at 145 ℃ and distillation treatment operation for 40 minutes at 155 ℃. And condensing the distilled and separated vapor solvent, and converting the cooled solvent from vapor to liquid to form clean solvent and flowing out. Then the residue after the completion of the distillation operation and the condensation operation is collectively treated.
Example 2
And (5) carrying out air tightness inspection on the net washing liquid recovery equipment, taking down a barrel cover of the distillation barrel and cutting off a power supply. Blowing compressed air of 0.2bar into the distillation barrel from the material suction pipe, and closing the barrel cover after confirming that the compressed air can be smoothly blown out from a steam inlet pipe in the distillation barrel. After closing the barrel cover, compressed air is continuously blown into the distillation barrel until the air pressure in the distillation barrel reaches 0.2 bar. After determining that the net washing liquid recovery equipment has no air leakage and blockage problems, putting the net washing liquid to be recovered into a distillation device, and performing multi-section distillation operation on the net washing liquid to be recovered, so that the net washing liquid to be recovered is subjected to distillation treatment operation for 60 minutes at 120 ℃, distillation treatment operation for 50 minutes at 135 ℃, distillation treatment operation for 50 minutes at 150 ℃ and distillation treatment operation for 50 minutes at 160 ℃. And condensing the distilled and separated vapor solvent, and converting the cooled solvent from vapor to liquid to form clean solvent and flowing out. Then the residue after the completion of the distillation operation and the condensation operation is collectively treated.
Example 3
And (5) carrying out air tightness inspection on the net washing liquid recovery equipment, taking down a barrel cover of the distillation barrel and cutting off a power supply. Blowing compressed air of 0.2bar into the distillation barrel from the material suction pipe, and closing the barrel cover after confirming that the compressed air can be smoothly blown out from a steam inlet pipe in the distillation barrel. After closing the barrel cover, compressed air is continuously blown into the distillation barrel until the air pressure in the distillation barrel reaches 0.2 bar. After determining that the net washing liquid recovery equipment has no air leakage and blockage problems, putting the net washing liquid to be recovered into a distillation device, and performing multi-section distillation operation on the net washing liquid to be recovered, so that the net washing liquid to be recovered is subjected to distillation treatment operation for 70 minutes at 125 ℃, distillation treatment operation for 60 minutes at 140 ℃, distillation treatment operation for 60 minutes at 155 ℃ and distillation treatment operation for 60 minutes at 165 ℃. And condensing the distilled and separated vapor solvent, and converting the cooled solvent from vapor to liquid to form clean solvent and flowing out. Then the residue after the completion of the distillation operation and the condensation operation is collectively treated.
Example 4
And (5) carrying out air tightness inspection on the net washing liquid recovery equipment, taking down a barrel cover of the distillation barrel and cutting off a power supply. Blowing compressed air of 0.2bar into the distillation barrel from the material suction pipe, and closing the barrel cover after confirming that the compressed air can be smoothly blown out from a steam inlet pipe in the distillation barrel. After closing the barrel cover, compressed air is continuously blown into the distillation barrel until the air pressure in the distillation barrel reaches 0.2 bar. After determining that the mesh washing liquid recovery equipment has no air leakage and blockage problems, putting the mesh washing liquid to be recovered into a distillation device, and performing multi-section distillation operation on the mesh washing liquid to be recovered, so that the mesh washing liquid to be recovered is subjected to distillation treatment operation for 65 minutes at 122 ℃, distillation treatment operation for 55 minutes at 138 ℃, distillation treatment operation for 55 minutes at 152 ℃ and distillation treatment operation for 55 minutes at 162 ℃. And condensing the distilled and separated vapor solvent, and converting the cooled solvent from vapor to liquid to form clean solvent and flowing out. Then the residue after the completion of the distillation operation and the condensation operation is collectively treated.
Compared with the prior art, the invention has at least the following advantages:
1. the invention discloses a net washing liquid recovery device, which is characterized in that a distillation device is arranged in the net washing liquid recovery device, the distillation device comprises a containing body, a heating core body, a distillation barrel and a barrel cover, the containing body is movably connected with a first support and a second support respectively, the heating core body is placed in the containing body, the distillation barrel covers the heating core body, the net washing liquid to be recovered in the distillation barrel is heated through the heating core body and is heated to be boiled, and the net washing liquid to be recovered is converted into a gas state from a liquid state. Gaseous net washing liquid is cooled by condensing equipment, is become liquid by gaseous state transformation, becomes clean net washing liquid and flows out to realize the effective recovery to net washing liquid, avoid the pollution of environment and reduce the wasting of resources.
2. The vacuum decompression pump is arranged in the mesh washing liquid recovery device and comprises a connecting pipe, a decompression pump and a discharge pipe, the connecting pipe is communicated with the decompression port, and the decompression pump is communicated with the connecting pipe, so that the pressure in a distillation device system can be reduced through the decompression pump to reduce the boiling point of the mesh washing liquid, high-boiling-point substances in the mesh washing liquid and compounds which are subjected to thermal decomposition, oxidation or polymerization when the boiling point is not reached during normal-pressure distillation can be effectively separated and purified, the purity of the recovered mesh washing liquid is ensured to meet the production requirements, and potential quality hazards cannot be caused.
3. Because condensing equipment includes condenser and condenser pipe, in the condenser was located to the condenser, condenser and container body coupling, condenser pipe and condensation port intercommunication made the cooling water exchange fast, the cross-section temperature difference of cooling water is big, retrieves the net washing liquid more effectively to reach the emission reduction of environmental protection.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A web wash recovery apparatus, comprising:
the rack body comprises a main rack frame, a first support and a second support, wherein the first support is connected to one side of the main rack frame, and the second support is connected to the other side of the main rack frame;
the distillation device comprises an accommodating body, a heating core body, a distillation barrel and a barrel cover, wherein the accommodating body is movably connected with the first support and the second support respectively, the accommodating body is provided with an accommodating groove, a condensation port and a pressure reduction port, the accommodating groove is communicated with the condensation port and the pressure reduction port respectively, the heating core body is positioned in the accommodating groove and is connected with the accommodating body, a placing groove communicated with the accommodating groove is formed in the heating core body, the distillation barrel is positioned in the placing groove and is connected with the heating core body, the barrel cover is hinged with the accommodating body, and the barrel cover is arranged in the accommodating groove in a covering manner;
the condensing device comprises a condenser and a condensing pipe, the condenser is wrapped on the condensing pipe, one end of the condensing pipe is communicated with the periphery of the condenser, the other end of the condensing pipe is communicated with the condensing port, and the condenser is connected with the accommodating body;
vacuum pressure reduction pump, vacuum pressure reduction pump includes connecting pipe, pressure reduction pump and row's material pipe, the connecting pipe with the decompression mouth intercommunication, the pump-out mouth of pressure reduction pump with the connecting pipe intercommunication, arrange the material pipe with the bin outlet intercommunication of pressure reduction pump.
2. The apparatus of claim 1, further comprising a positioning pin, wherein the first bracket has a first pin hole, the accommodating body has a second pin hole corresponding to the first pin hole, and the positioning pin is inserted into the first pin hole and the second pin hole respectively.
3. The mesh washing liquid recovery device as claimed in claim 1, wherein the distillation barrel is provided with a feed inlet, and the feed inlet is used for being communicated with the suction pipe.
4. The mesh washing liquid recovery device of claim 1, further comprising a locking bolt, wherein a first threaded hole is formed in one end of the barrel cover, which is far away from the hinged position of the barrel cover and the distillation barrel, a second threaded hole is formed in the position of the distillation barrel, which corresponds to the first threaded hole, and the locking bolt is respectively inserted into the first threaded hole and the second threaded hole.
5. The mesh washing liquid recovery device according to claim 1, wherein the condenser is provided with a water inlet, a water outlet and a refrigeration cavity, the water inlet and the water outlet are both communicated with the refrigeration cavity, the water inlet is arranged at one side close to the condensation port, the water outlet is arranged at the other side far away from the condensation port, and the condensation pipe is wrapped in the refrigeration cavity.
6. The web-washing liquid recovery apparatus according to claim 1, wherein the inner wall of the distillation barrel is provided with a liquid level indicating line.
7. The apparatus for recovering net wash liquid according to claim 1, further comprising a first switch valve provided to the connection pipe.
8. The apparatus for recovering net washing liquid according to claim 1, further comprising a second on-off valve provided in the discharge pipe.
9. The mesh washing liquid recovery device as claimed in claim 1, wherein a drainage nozzle is protruded from an outer wall of the container body, and the drainage nozzle is communicated with the container.
10. A recovery method of a web washing liquid, characterized in that a recovery operation is performed using the web washing liquid recovery apparatus according to any one of claims 1 to 9, the recovery method comprising the steps of:
checking the tightness of the distillation apparatus;
putting the net washing liquid to be recovered into the distillation device;
carrying out multi-section distillation operation on the to-be-recovered mesh washing liquid to obtain distilled mesh washing liquid;
condensing the distilled net washing liquid to obtain a recyclable net washing liquid;
and carrying out centralized treatment on the residue after the distillation operation and the condensation operation are finished.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011540912.XA CN112569624A (en) | 2020-12-23 | 2020-12-23 | Net washing liquid recovery equipment and net washing liquid recovery method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011540912.XA CN112569624A (en) | 2020-12-23 | 2020-12-23 | Net washing liquid recovery equipment and net washing liquid recovery method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206777898U (en) * | 2017-05-16 | 2017-12-22 | 中国辐射防护研究院 | A kind of spent organic solvent retracting device |
| CN207748875U (en) * | 2017-11-22 | 2018-08-21 | 广东盛世净源环保科技有限公司 | Ink cleans devil liquor recovery and handles all-in-one machine |
| CN210795041U (en) * | 2019-08-27 | 2020-06-19 | 上海航天计算机技术研究所 | Transportation and dumping device |
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- 2020-12-23 CN CN202011540912.XA patent/CN112569624A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206777898U (en) * | 2017-05-16 | 2017-12-22 | 中国辐射防护研究院 | A kind of spent organic solvent retracting device |
| CN207748875U (en) * | 2017-11-22 | 2018-08-21 | 广东盛世净源环保科技有限公司 | Ink cleans devil liquor recovery and handles all-in-one machine |
| CN210795041U (en) * | 2019-08-27 | 2020-06-19 | 上海航天计算机技术研究所 | Transportation and dumping device |
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