CN111636093A

CN111636093A - Electroplating production line waste gas automatic collection device

Info

Publication number: CN111636093A
Application number: CN202010444364.4A
Authority: CN
Inventors: 王培明; 王海峰; 郭晓阳; 高建军
Original assignee: Taicang Haifeng Electroplating Co ltd
Current assignee: Taicang Haifeng Electroplating Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-09-08

Abstract

The invention relates to an automatic waste gas collecting device for an electroplating production line, which comprises an electroplating pool, wherein the electroplating pool comprises a steam heating tank, a clean water tank and a normal temperature tank, an automatic waste gas collecting mechanism, an automatic waste gas treating mechanism and an automatic waste gas discharging mechanism are sequentially arranged above the electroplating pool, waste gas generated in the electroplating pool is automatically collected by the automatic waste gas collecting device, then the waste gas is automatically filtered by a steam waste gas tower, a clean water waste gas tower and a normal temperature waste gas tower, and finally the purified waste gas is discharged into the atmosphere by the automatic waste gas discharging mechanism.

Description

Electroplating production line waste gas automatic collection device

Technical Field

The invention relates to the technical field of electroplating waste gas collection, in particular to an automatic waste gas collecting device for an electroplating production line.

Background

The waste gas purification mainly refers to the treatment of industrial waste gas generated in industrial places, such as dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas.

The electroplating industry is an important processing industry in China, mainly comprises galvanizing, chrome plating, nickel plating and copper plating, and is intensively distributed in the industrial fields of machine manufacturing, light industry, electronics, aerospace, instruments and meters and the like at present, the electroplating processing is generally to place a plated object in an electrolytic bath loaded with corresponding chemical electrolyte, and form an electroplated layer on the surface of the plated object through electrification, in the process, a large amount of electroplating waste gas containing heavy metals can be generated, if the electroplating waste gas is directly discharged without any treatment, the environment is seriously polluted, and in order to meet the current increasingly strict environmental protection requirements, people must take measures to carry out terminal treatment.

The traditional Chinese patent with the publication number of CN102330141B discloses an electroplating waste gas treatment device, which comprises an air suction cover arranged on an electroplating bath, wherein the air suction cover is communicated with a spray cabin through an air suction pipe, the spray cabin is communicated with a gas-liquid separation tower, a plurality of spray heads are also arranged in the spray cabin, a recovery liquid collection cabin communicated with the spray cabin is arranged at the bottom of the gas-liquid separation tower, a collision cap is arranged above the collection liquid cabin, a packing layer is arranged above the collision cap, an air outlet pipe is connected above the packing layer, the air outlet pipe is connected with a fan, a return pipe is connected at the bottom of the collection liquid cabin, the return pipe is communicated with a temperature control evaporation tank, and the spray heads are communicated with the temperature control evaporation device through a circulating cooling pump.

The above technical solution has the disadvantages that: the air outlet pipe is connected with the fan, the air suction cover is aligned to the top of the electroplating bath, gas generated by electroplating solution in the electroplating bath is absorbed by the fan, waste gas is conveyed to the recovery liquid collection bin through the air outlet pipe, the waste gas is treated by the recovery liquid collection bin, and finally the waste gas is discharged into the atmosphere; when the part is electroplated in the plating bath, need in proper order get into each plating bath and electroplate, and then lead to each section in the electroplating workshop to produce the waste gas type different, consequently electroplating waste gas collection in-process, need reasonable carry out automatic collection to different local waste gas, and then make the process of waste gas collection become automatic and intelligent.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an automatic waste gas collecting device for an electroplating production line, which has the advantages of automatically and intelligently absorbing waste gas and treating the waste gas.

The above object of the present invention is achieved by the following technical solutions: an automatic waste gas collecting device for an electroplating production line comprises an electroplating pool, wherein the electroplating pool comprises a steam heating tank, a clean water tank and a normal temperature tank, and the waste gas collecting device comprises an automatic waste gas collecting mechanism, an automatic waste gas treating mechanism and an automatic waste gas discharging mechanism which are sequentially arranged on one side of the electroplating pool;

the waste gas automatic collection mechanism comprises a steam absorption pipe arranged at the top of the steam heating tank, a clean water suction pipe arranged at the top of the clean water tank, a normal temperature suction pipe arranged at the top of the normal temperature tank and a waste gas transfer box for transferring the waste gas;

the waste gas automatic treatment mechanism comprises a steam waste gas tower, a clear water waste gas tower and a normal temperature waste gas tower, wherein the steam waste gas tower is connected with a steam transfer layer through a pipeline;

waste gas automatic discharge machine includes the exhaust emission tower, the top is decided to the exhaust emission tower is equipped with the waste gas total entry, be equipped with the lateral conduit on the waste gas total entry, the lateral conduit is including the steam tuber pipe of connecting steam waste gas tower, the clear water air column of connecting clear water waste gas tower and the normal atmospheric temperature tuber pipe of connecting normal atmospheric temperature waste gas tower, the exhaust emission tower bottom still is equipped with exhaust-gas discharge mouth.

By adopting the technical scheme, the electroplating pool is divided into a steam heating tank, a clear water tank and a normal temperature tank, then automatic air suction treatment is carried out on liquid generated by liquid in three different types of tanks, and generated gas is discharged after treatment, so that the whole waste gas collecting device is divided into a waste gas automatic collecting mechanism, a waste gas automatic treating mechanism and a waste gas automatic discharging mechanism;

the waste gas automatic collection mechanism collects gas generated in the electroplating pool; the collected gas is transmitted to a waste gas automatic treatment mechanism of a waste gas transfer box through a pipeline to absorb the gas in the waste gas transfer box, the waste gas in a steam transfer layer is absorbed into a steam waste gas tower through a steam induced draft fan to be treated, the absorbed waste gas is purified through the steam waste gas tower, finally the purified waste gas is transmitted to a waste gas automatic discharge mechanism through a pipeline, and the waste gas is discharged into the atmosphere through a final waste gas discharge mechanism;

the top of the waste gas automatic discharge mechanism collects the purified waste gas in the steam waste gas tower, the clean water waste gas tower and the normal temperature waste gas tower, and the waste gas is treated again through the waste gas discharge tower and finally discharged into the atmosphere.

The present invention in a preferred example may be further configured to: the waste gas automatic collection mechanism also comprises a steam absorption pipe, a clean water suction pipe and a normal temperature suction pipe which are connected, and the waste gas transfer box sequentially comprises a steam transfer layer, a clean water transfer layer and a normal temperature transfer layer from bottom to top; the steam absorption pipe comprises a steam connecting pipe connected with the steam transfer layer, a steam pipe is arranged on one side of the steam connecting pipe far away from the normal-temperature transfer layer, a bee pipe is embedded in the steam pipe, a first humidity sensor is arranged on the steam pipe, the clear water air suction pipe comprises a clear water connecting pipe connected to the clear water transfer layer, the clean water pipe is arranged at one end of the clean water connecting pipe far away from the clean water transfer layer, the normal temperature air suction pipe comprises a normal temperature connecting pipe connected to the normal temperature transfer layer in a pipeline, and a normal temperature pipe arranged on the normal temperature connecting pipe far away from the normal transfer layer, the outer wall of the steam pipe is fixedly connected with a steam cover, the opening of the steam cover is arranged downwards, the steam heating tank is provided with a second humidity sensor corresponding to the first humidity sensor, and the steam pipe is higher than one side of the steam connecting pipe far away from the steam connecting pipe from one side of the steam connecting pipe.

By adopting the technical scheme, the steam heating tank is provided with the steam connecting pipe for absorbing the gas above the steam heating tank, the waste gas is conveyed to the steam transfer layer through the steam pipe and the steam connecting pipe to complete the absorption of the gas generated in the steam heating tank, meanwhile, the steam pipe is provided with the first humidity sensor for detecting the gas density of the steam heating tank and adjusting the wind speed according to the concentration detected by the first humidity sensor; set up the steam cover on the outer wall of steam pipe, utilize the steam cover to gather together the effect when absorbing waste gas to the steam pipe, utilize the pressure difference outside and in the steam pipe simultaneously for whole waste gas gathers together to the steam pipe direction, then is equipped with humidity through second humidity transducer to steam cover top and detects, guarantees to detect the waste gas of steam heating tank top.

The present invention in a preferred example may be further configured to: the bottom of the steam pipe is provided with a vertical pipe, a fan is embedded in the vertical pipe, the bee pipe is clamped on the inner wall of the vertical pipe, and the bee pipe comprises a plurality of vent pipes.

By adopting the technical scheme, the vertical pipe is arranged at the bottom of the steam pipe, the vertical pipe and one part of the steam pipe are integrally formed, and meanwhile, the steam pipe and the vertical pipe are integrally formed, so that the steam is arranged at the joint of the top of the vertical pipe and the steam pipe, and the vertical pipe is internally provided with the bee pipe and is formed by bonding a plurality of vent pipes through the outer wall; make whole vertical tub of pipe gather together the effect to waste gas absorption and strengthen through the setting of bee pipe, adopt the form that falls into a plurality of holes with whole vertical socle portion simultaneously, increased the suction of whole vertical socle portion.

The present invention in a preferred example may be further configured to: be equipped with first gas sensor on the normal atmospheric temperature groove, normal atmospheric temperature transfer in situ is equipped with normal atmospheric temperature switch module, normal atmospheric temperature switch module is close to the translation door of normal atmospheric temperature pipe one side including setting up in normal atmospheric temperature transfer in situ, still removes the cylinder that opens the door including driving translation door.

Through adopting above-mentioned technical scheme, the first gas sensor that is equipped with on the normal atmospheric temperature pipe sets up to the smell that normal atmospheric temperature inslot liquid gived off, detects corresponding gaseous back at first gas sensor, utilizes the normal atmospheric temperature pipe to carry out automatic receipt to whole waste gas.

The present invention in a preferred example may be further configured to: the branch pipeline is provided with a filtering assembly, and the filtering assembly comprises an activated carbon filtering layer arranged in the steam air pipe and an induced draft fan arranged in the branch pipe.

Through adopting above-mentioned technical scheme, filtering component comprises activated carbon filter layer and induced air fan two parts, has handled waste gas through the exhaust gas tower and has filtered through the activated carbon filter layer again, and the induced air fan absorbs the bottom of activated carbon filter layer simultaneously for waste gas passes through the activated carbon filter layer.

The present invention in a preferred example may be further configured to: the waste gas automatic discharge mechanism still includes the reflux column, the reflux column top is equipped with the back flow, keep away from the one side of back flow on the back flow and connect the waste gas discharge tower, be equipped with the return pipe on the lateral wall of reflux column bottom, the one side of keeping away from the reflux column on the return pipe is connected on the lateral pipe, be equipped with the backward flow draught fan on the lateral wall of reflux column.

Through adopting above-mentioned technical scheme, the reflux tower is to discharging waste gas in the exhaust emission tower and handle, leads to the reflux tower top through the back flow with the waste gas in the exhaust emission tower, in the back flow tower is returned the journey pipe with waste gas again through the filtration of reflux tower, discharges by the exhaust emission tower at last.

The present invention in a preferred example may be further configured to: and a measurement exchange device is arranged in the waste gas discharge tower and comprises a return pipe orifice for connecting a return pipe and a second gas sensor arranged in the waste gas discharge tower.

Through adopting above-mentioned technical scheme, be equipped with measuring unit in the exhaust emission tower, measuring unit detects waste gas once more in to the exhaust emission tower, when still having unqualified discharge gas in detecting waste gas, the back flow will be circulated, and the reflux tower just can work simultaneously.

The present invention in a preferred example may be further configured to: measure exchange device still includes the controllable switch of exhaust emission tower bottom, controllable switch includes the last windmill layer that the level set up and articulated connection rotates the layer under last windmill layer bottom, the center pin department of going up the windmill layer is connected with lower rotation layer center layer department is articulated, rotation layer bottom center pin department is equipped with driving motor down, the last motor shaft that is equipped with of driving motor, the motor shaft is connected with lower rotation layer drive.

Through adopting above-mentioned technical scheme, the measuring subassembly is still including setting up the controllable switch in exhaust emission tower bottom, and controllable switch controls whole exhaust emission tower bottom discharge department, utilizes the cross arrangement of the flabellum on windmill layer and lower rotation layer, and lower rotation layer is connected with the articulated on last windmill layer, utilizes driving motor to drive down rotation layer rotation, realizes opening and closing of going up windmill layer and lower rotation layer.

The present invention in a preferred example may be further configured to: and the bottom side wall of the waste gas discharge tower is provided with a waste gas discharge hole.

Through adopting above-mentioned technical scheme, the exhaust vent that is equipped with in abandonment emission tower bottom prevents that external object from falling into the exhaust emission tower.

In summary, the invention includes at least one of the following beneficial technical effects:

1. different gases generated in the electroplating pool are subjected to targeted absorption, different types of gases are introduced into corresponding waste gas towers through different pipe pipelines for targeted treatment, and the waste gas after automatic purification is automatically discharged through an automatic waste gas conveying mechanism;

2. the steam pipe is embedded with a bee pipe, and the absorption effect of the whole steam pipe on waste gas is increased by using the bee pipe.

Drawings

FIG. 1 is a schematic diagram of the overall structure shown in the embodiment of the present invention;

FIG. 2 is a schematic sectional view of an automatic exhaust gas treatment mechanism according to an embodiment of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a partial cross-sectional view of an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of an automatic exhaust mechanism according to an embodiment of the present invention;

fig. 6 is a partial cross-sectional view of fig. 5.

In the figure, 1, an electroplating pool; 2. a steam heating tank; 3. a clear water tank; 4. a normal temperature groove; 5. an automatic waste gas collecting mechanism; 6. an automatic waste gas treatment mechanism; 7. an automatic exhaust gas discharge mechanism; 8. a vapor absorption pipe; 9. a clear water suction pipe; 10. sucking a gas pipe at normal temperature; 11. an exhaust gas transfer box; 12. a steam transfer layer; 13. a clean water transfer layer; 14. transferring the layer at normal temperature; 15. a steam connecting pipe; 16. a steam pipe; 17. a bee pipe; 18. a first humidity sensor; 19. a clear water connecting pipe; 20. a clear water pipe; 21. a normal temperature connecting pipe; 22. a normal temperature tube; 23. a steam off-gas tower; 24. a normal temperature waste gas tower; 25. a steam induced draft fan; 26. a clean water inlet; 27. a clean water draught fan; 28. a normal temperature draught fan; 29. a waste gas discharge tower; 30. a main exhaust gas inlet; 31. a branch pipe; 32. a steam air pipe; 33. a clean water air pipe; 34. a normal temperature air pipe; 35. a steam hood; 36. a second humidity sensor; 37. a vertical tube; 38. a fan; 39. a breather pipe; 40. a first gas sensor; 41. a normal temperature switch assembly; 42. a sliding door; 43. a door opening cylinder; 46. a filter assembly; 47. an activated carbon filter layer; 48. an induced draft fan; 49. a reflux column; 50. a return pipe; 51. a return pipe; 52. a reflux induced draft fan; 53. a measurement assembly; 54. a controllable switch; 55. a windmill layer is arranged; 56. a lower rotating layer; 57. a drive motor; 58. an exhaust gas discharge hole; 59. a clean water waste gas tower; 60. a second gas sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, the automatic waste gas collecting device for an electroplating production line disclosed by the invention comprises an electroplating tank 1 for electroplating an electroplating part, wherein the electroplating tank 1 is composed of a steam heating tank 2, a clear water tank 3 and a normal temperature tank 4, the steam heating tank 2 is a comprehensive tank for steam heating in the electroplating process, and the steam heating tank 2 comprises alkaline washing, water washing, chemical degreasing, ultrasonic degreasing, hot water washing and the like; the clean water tank 3 is used for washing residual liquid on the parts by using clean water before next electroplating in the electroplating process; the normal temperature bath 4 is a plating bath excluding the clean water bath 3 and the steam heating bath 2, and the normal temperature bath 4 includes passivation, galvanization, activation, and the like. When the parts to be plated are plated in the plating tank 1, a large amount of gas is generated, and the gas is generated from chemical reaction in the plating process, and the gas is also generated from liquid in the plating tank 1, so that the irritant gas needs to be collected to prevent the gas from being directly discharged into the atmosphere. Be equipped with the waste gas automatic collection mechanism 5 that collects the irritability gas machine at the top of electroplating bath 1, then have waste gas automatic treatment mechanism 6 through the pipe connection, carry out automatic purification treatment to the waste gas of collecting, the automatic exhaust mechanism 7 of waste gas that has through the pipe connection at last utilizes waste gas automatic exhaust mechanism 7 to go to the atmosphere with the waste gas automatic discharge after handling.

Referring to fig. 2, the automatic waste gas collecting mechanism 5 includes a steam absorbing pipe 8 disposed at the top of the steam heating tank 2, a clean water suction pipe 9 disposed at the top of the clean water tank 3 and a normal temperature suction pipe 10 disposed at the top of the normal temperature tank 4, the plating bath 1 corresponding to the lower side is subjected to gas collection through the steam absorbing pipe 8, the clean water suction pipe 9 and the normal temperature suction pipe 10, and the automatic waste gas collecting mechanism 5 further includes a waste gas transfer box 11, the waste gas transfer box 11 is connected to the steam absorbing pipe 8, the clean water absorbing pipe and the normal temperature suction pipe 10 respectively. A steam transfer layer 12, a clean water transfer layer 13 and a normal temperature transfer layer 14 are respectively arranged in the waste gas transfer box 11 from bottom to top.

Referring to fig. 4, the steam absorption pipe 8 includes a steam connection pipe 15 connected to the steam intermediate layer 12, and a steam pipe 16 disposed at an end of the steam connection pipe 15 far from the steam intermediate layer 12, wherein a side of the steam pipe 16 connected to the steam connection pipe 15 is lower than a side far from the steam connection pipe 15, because a large amount of steam is absorbed when steam absorption is performed, and further, the steam is solidified into water drops when entering the steam pipe 16, so that the side of the steam connection pipe 15 close to the steam intermediate layer 12 is disposed lower than the side of the steam pipe 16, and the solidified liquid flows to the steam intermediate layer 12 along the steam connection pipe 15. Meanwhile, the steam transfer layer 12 is arranged at the bottommost part, so that the height drop is convenient to form, the water drops can slide off conveniently, and a discharge port is formed in the center of the bottom of the steam transfer layer 12. The condensed water drops flow into the steam transfer layer 12 layer, and finally the water drops are discharged through the discharge port.

Referring to fig. 4, a vertical pipe 37 is provided on one side of the steam pipe 16 away from the steam connection pipe 15, the vertical pipe 37 is formed integrally with the steam pipe 16, a bee pipe 17 is provided in the vertical pipe 37, the bee pipe 17 is formed by connecting a plurality of vent pipes 39 through outer walls, so that a plurality of vent holes are formed at the bottom of the vertical pipe 37, and the air suction concentration in the mouth of the steam vertical pipe 37 is enhanced. While a plurality of pipes can be connected in the vertical pipe 37, so that the absorption range is further expanded. Be equipped with steam cover 35 on vertical pipe 37 outer wall, steam cover 35 opening direction is downward, vertical pipe 37 is in the in-process of breathing in, because the existence of pressure, gas will flow upwards, because the orificial size of vertical pipe 37 is fixed, consequently cause the phenomenon that gas can not absorb very easily, through steam cover 35, when gas is flowing upwards through vertical pipe 37's outer wall, resistance appears in steam cover 35 department to gas through can flow downwards at steam cover 35 inner wall, and then improve the efficiency to gas absorption.

Referring to fig. 4, a first fan 38 is provided in the vertical pipe 37, the strength of the whole pipe for absorbing gas is increased by the first fan 38, a first humidity sensor 18 is further provided on the steam pipe 16, the first humidity sensor 18 is preferably a humidity sensor of type ENS210-LQFM, a second humidity sensor 36 is provided in the steam heating tank 2 at the bottom, and the second humidity sensor 36 is provided in the same type as the first humidity sensor 18. The setting of two upper and lower sensors can detect eminence and low department in whole workshop simultaneously and detect. The comprehensive automatic detection is carried out above the whole steam heating tank 2, and the automatic treatment is realized.

Referring to fig. 1 and 2, the clean water suction pipe 9 includes a clean water connection pipe 19 connected to the clean water transfer layer 13, and a clean water pipe 20 connected to the clean water connection pipe 19 and far away from the clean water transfer layer 13, and the clean water pipe 20 is used to absorb the gas above the clean water tank 3, and the gas is transmitted to the clean water transfer layer 13 through the clean water connection pipe 19, and finally the gas is transmitted to the automatic waste gas treatment mechanism 6 through the outlet end of the clean water transfer layer 13 to be subjected to waste gas treatment. The normal temperature air suction pipe 10 includes a normal temperature connection pipe 21 connected to the normal temperature relay layer 14, and a normal temperature pipe 22 connected to a side of the normal temperature connection pipe 21 away from the normal temperature relay layer 14, wherein an opening of the normal temperature pipe 22 downwardly absorbs gas generated in the normal temperature tank 4, and the gas is transferred from the normal temperature relay layer 14 to the automatic exhaust gas treatment mechanism 6.

Referring to fig. 2 and 3, a room temperature switch assembly 41 is disposed in the room temperature transit layer 14, the room temperature switch assembly 41 includes a translation door 42 disposed in the room temperature transit layer 14 and close to one side of the room temperature connection pipe 21, and an inlet of the room temperature connection pipe 21 connected to the room temperature transit layer 14 is blocked by the translation door 42. The normal temperature transit layer 14 further comprises a door opening cylinder 43 connected with the translation door 42, and the door opening cylinder 43 pushes the translation door 42 to realize the on-off of the normal temperature connecting pipe 21.

Referring to fig. 2 and 3, a first gas sensor 40 is disposed in the normal temperature chamber 4, and after the normal temperature chamber 4 starts to be plated with gold, the generated exhaust gas will be detected by the first gas sensor 40, and then the door opening cylinder 43 will drive the opening and closing door to move, so as to communicate the normal temperature connecting pipe 21 with the normal temperature transit layer 14.

Referring to fig. 1 and 2, the automatic waste gas treatment mechanism 6 includes a steam waste gas tower 23, a clean water waste gas tower 59 and a normal temperature waste gas tower 24, the steam waste gas tower 23 is connected with a steam induced draft fan 25 through a pipeline, and the steam induced draft fan 25 provides attraction force for the whole steam absorption route. The clear water waste gas tower 59 is connected with the clear water transfer layer 13 through a pipeline, and meanwhile, the clear water waste gas tower 59 is connected with a clear water induced draft fan 27 through a pipeline. The normal temperature waste gas tower 24 is connected to the normal temperature transit layer 14 through a pipeline, and the clean water waste gas tower 59 is connected to a normal temperature induced draft fan 28.

Referring to fig. 5, the automatic exhaust gas discharging mechanism 7 includes an exhaust gas discharging tower 29, a main exhaust gas inlet 30 is disposed at the top of the exhaust gas discharging tower 29, a branch pipe 31 is disposed on the main exhaust gas inlet 30, a steam air pipe 32, a clean water air pipe 33 and a normal temperature air pipe 34 are disposed on the branch pipe 31, the steam air pipe 32 is connected to steam exhaust gas, the clean water air pipe 33 is connected to an air outlet of a clean water exhaust gas tower 59, and the normal temperature air pipe 34 is connected to the normal temperature exhaust gas tower 24 through a pipe. The exhaust gas treated in the steam exhaust gas tower 23, the clean water exhaust gas tower 59 and the normal temperature exhaust gas tower 24 is uniformly delivered into the exhaust gas discharge tower 29 in the form of the branch pipe 31, and is uniformly discharged through the exhaust gas discharge tower 29.

Referring to fig. 5 and 6, the automatic exhaust gas discharging apparatus 7 further includes a reflux tower 49, and a reflux pipe 50 is connected between the top of the reflux tower 49 and the side wall of the exhaust gas discharging tower 29. . Be equipped with measuring module 53 in the exhaust emission tower 29, measuring module 53 is including setting up the second gas sensor 60 on the automatic exhaust emission tower inner wall, detects the gas that has handled through second gas sensor 60, if waste gas does not reach the emission requirement, gas in reflux tower 49 with exhaust emission tower 29 absorbs in reflux tower 49, consequently has backward flow induced draft fan 52 on the lateral wall upper tube coupling on reflux tower 49. A return pipe 51 is further provided on the side wall of the reflux tower 49, the exhaust gas treated in the reflux tower 49 is returned to the exhaust gas discharge tower 29 through the return pipe 51, and a branch pipe is connected to the return pipe 51 on the side away from the reflux tower 49, thereby forming a reflux process of the exhaust gas discharge tower 29 and the reflux tower 49.

Referring to fig. 6, the measuring assembly 53 further includes a controllable switch 54 disposed at the bottom of the exhaust emission tower 29, the controllable switch 54 includes an upper wind turbine layer 55 horizontally and fixedly disposed at the bottom of the exhaust emission tower 29, and a lower rotation layer 56 hingedly connected to the upper surface of the upper wind turbine layer 55, a driving motor 57 for driving the lower rotation layer 56 to rotate is disposed at the bottom of the lower rotation layer 56, a motor rotation shaft is disposed on the driving motor 57, and a bottom center shaft of the lower rotation layer 56 is in gear engagement with the motor rotation shaft. When the second gas sensor 60 detects that the exhaust gas is not enough to be discharged, the driving motor 57 will rotate the lower rotating layer 56 to close the exhaust gas outlet. Meanwhile, an exhaust gas discharge hole 58 is formed at the bottom of the exhaust gas discharge tower 29, and the exhaust gas discharge hole 58 prevents the external large objects from entering the exhaust gas discharge tower 29 by mistake.

Referring to fig. 5 and 6, a filtering assembly 46 is disposed in the branch pipe 31, the filtering assembly 46 further filters the exhaust gas delivered to the exhaust gas discharge tower 29, and the filtering assembly 46 includes an induced draft fan 48 horizontally disposed at the bottom of the branch pipe 31 and an activated carbon filter layer 47 disposed at the top of the induced draft fan 48, so as to enhance the flow of the exhaust gas.

The implementation principle of the embodiment is as follows: after parts are electroplated in the electroplating pool 1, waste gas generated by steam heat in the steam heating electroplating bath is detected by the first humidity sensor 18 and the second humidity sensor 36, suction force is generated under the action of the steam induced draft fan 25 in the steam pipe 16, steam waste gas is absorbed in the steam pipe 16, the waste gas is transmitted to the steam transfer layer 12 through the steam pipe 16 and the steam connecting pipe 15, and then the waste gas after purification is transmitted to the automatic waste gas discharge mechanism 7 though being transmitted to the steam waste gas tower 23 for automatic purification treatment. The waste gas is filtered again by the activated carbon filter layer 47 at the top of the waste gas discharge tower 29, then the purified waste gas is detected by the second gas sensor 60 arranged in the waste gas discharge tower 29, when the discharge standard is not reached, the controllable switch 54 closes the bottom of the waste gas discharge tower 29, the reflux induced draft fan 52 at one side of the reflux tower 49 is started, the waste gas in the waste gas discharge tower 29 is guided into the reflux tower 49 for secondary purification, then the purified waste gas is sent back through the return pipe 51, and after the detection of the second gas sensor 60 in the waste gas discharge tower 29 is qualified, the controllable switch 54 is opened, and the waste gas is discharged.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides an electroplating production line waste gas automatic collection device, includes electroplating bath (1), electroplating bath (1) includes steam heating groove (2), clear water groove (3) and normal atmospheric temperature groove (4), its characterized in that: one side of the electroplating pool (1) is sequentially provided with an automatic waste gas collecting mechanism (5), an automatic waste gas treating mechanism (6) and an automatic waste gas discharging mechanism (7);

the waste gas automatic collecting mechanism (5) comprises a steam absorbing pipe (8) arranged at the top of the steam heating tank (2), a clear water suction pipe (9) arranged at the top of the clear water tank (3), a normal temperature suction pipe (10) arranged at the top of the normal temperature tank (4), and a waste gas transfer box (11) for transferring waste gas;

the waste gas automatic treatment mechanism (6) comprises a steam waste gas tower (23), a clean water waste gas tower (59) and a normal temperature waste gas tower (24), wherein the steam waste gas tower (23) is connected with a steam transfer layer (12) through a pipeline, a steam induced draft fan (25) is arranged on the steam waste gas tower (23) through a pipeline, the clean water waste gas tower (59) is connected with a clean water transfer layer (13) through a pipeline, a clean water induced draft fan (27) is connected on the clean water waste gas tower (59) through a pipeline, and the normal temperature waste gas tower (24) is connected with a normal temperature induced draft fan (28) through a pipeline;

waste gas automatic discharge machine includes exhaust emission tower (29), exhaust emission tower (29) are decided the top and are equipped with waste gas total entrance (30), be equipped with branch pipeline (31) on waste gas total entrance (30), branch pipeline (31) are including steam air pipe (32) of connecting steam exhaust gas tower (23), the clear water air tower of connecting clear water exhaust gas tower (59) and normal atmospheric temperature tuber pipe (34) of connecting normal atmospheric temperature exhaust gas tower (24), exhaust emission tower (29) bottom still is equipped with exhaust port.

2. The automatic collection device for the waste gas of the electroplating production line according to claim 1, characterized in that: the waste gas automatic collection mechanism (5) further comprises a steam absorption pipe (8), a clear water suction pipe (9) and a normal temperature suction pipe (10), and the waste gas transit box (11) sequentially comprises a steam transit layer (12), a clear water transit layer (13) and a normal temperature transit layer (14) from bottom to top; the steam absorption pipe (8) comprises a steam connecting pipe (15) connected with a steam transfer layer (12), a steam pipe (16) is arranged on one side, away from the normal-temperature transfer layer (14), of the steam connecting pipe (15), a bee pipe (17) is embedded in the steam pipe (16), a first humidity sensor (18) is arranged on the steam pipe (16), a clear water suction pipe (9) comprises a clear water connecting pipe (19) connected to the clear water transfer layer (13), a clear water pipe (20) is arranged at one end, away from the clear water transfer layer (13), of the clear water connecting pipe (19), a normal-temperature connecting pipe (21) connected to the normal-temperature transfer layer (14) in a pipeline is included in the normal-temperature suction pipe (10), a normal-temperature pipe (22) arranged on the normal-temperature connecting pipe (21) and away from the normal-temperature transfer layer is further included, and a steam cover (, the steam cover (35) opening sets up downwards, be equipped with second humidity transducer (36) that corresponds first humidity transducer (18) and set up on steam heating groove (2), steam pipe (16) are higher than the one side of keeping away from steam connecting pipe (15) from one side of steam connecting pipe (15).

3. The automatic collection device for the waste gas of the electroplating production line according to claim 1, characterized in that: the bottom of the steam pipe (16) is also provided with a vertical pipe (37), the vertical pipe (37) is embedded with a fan (38), the bee pipe (17) is connected to the inner wall of the vertical pipe (37), and the bee pipe (17) comprises a plurality of vent pipes (39).

4. The automatic collection device for the waste gas of the electroplating production line according to claim 1, characterized in that: be equipped with first gas sensor (40) on normal atmospheric temperature groove (4), be equipped with normal atmospheric temperature switch module (41) in normal atmospheric temperature transfer layer (14), normal atmospheric temperature switch module (41) are close to translation door (42) of normal atmospheric temperature pipe (22) one side including setting up in normal atmospheric temperature transfer layer (14), still move opening door cylinder (43) including drive translation door (42).

5. The automatic collection device for the waste gas of the electroplating production line according to claim 1, characterized in that: be equipped with filtering component (46) on branch pipeline (31), filtering component (46) are including setting up active carbon filter layer (47) in steam air pipe (32), still including setting up induced air fan (48) in the branch pipe.

6. The automatic collection device for the waste gas of the electroplating production line according to claim 1, characterized in that: waste gas automatic discharge mechanism (7) still include reflux column (49), reflux column (49) top is equipped with back flow (50), waste gas discharge tower (29) is connected to one side of keeping away from back flow (50) on back flow (50), be equipped with return pipe (51) on the lateral wall of reflux column (49) bottom, it connects on the bleeder pipe to return pipe (51) one side of keeping away from reflux column (49), be equipped with backward flow draught fan (52) on the lateral wall of reflux column (49).

7. The automatic waste gas collecting device for the electroplating production line according to claim 6, wherein: and a measurement exchange device is arranged in the waste gas discharge tower (29), and comprises a return pipe (50) port for connecting the return pipe (50) and a second gas sensor (60) arranged in the waste gas discharge tower (29).

8. The automatic collection device for the waste gas of the electroplating production line according to claim 7, characterized in that: the measurement exchange device further comprises a controllable switch (54) at the bottom of the waste gas discharge tower (29), the controllable switch (54) comprises an upper windmill layer (55) horizontally arranged and a lower rotating layer (56) hinged to the bottom of the upper windmill layer (55), the center shaft of the upper windmill layer (55) is hinged to the center layer of the lower rotating layer (56), a driving motor (57) is arranged at the center shaft of the bottom of the lower rotating layer (56), a motor rotating shaft is arranged on the driving motor (57), and the motor rotating shaft is in driving connection with the lower rotating layer (56).

9. The automatic collection device for the waste gas of the electroplating production line according to claim 1, characterized in that: and an exhaust gas discharge hole (58) is formed in the side wall of the bottom of the exhaust gas discharge tower (29).