CN210993478U - Metal surface treatment agent waste gas and sewage treatment equipment - Google Patents
Metal surface treatment agent waste gas and sewage treatment equipment Download PDFInfo
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- CN210993478U CN210993478U CN201921385834.3U CN201921385834U CN210993478U CN 210993478 U CN210993478 U CN 210993478U CN 201921385834 U CN201921385834 U CN 201921385834U CN 210993478 U CN210993478 U CN 210993478U
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Abstract
The utility model provides a metal surface treatment agent waste gas and sewage treatment device, waste gas and sewage treatment device include: an exhaust gas treatment device and a sewage treatment device; the exhaust gas treatment device includes: the system comprises a spray washing tower, a dry acid mist purifier, a centrifugal fan and a waste gas exhaust funnel which are connected in sequence; the spray washing tower is provided with a first air inlet pipe, a water outlet pipe, a first air outlet pipe and a second air outlet pipe; the centrifugal fan is connected with the three-way pipe; the sewage treatment device comprises: the device comprises an adjusting tank, a first pH adjusting tank, an electrochemical reaction tank, a first coagulating sedimentation tank, an air flotation tank, a detection tank and a sludge concentration tank which are connected in sequence; the regulating tank is provided with a second air inlet pipe and a third air outlet pipe; the air floatation tank is provided with a third air inlet pipe; the first air outlet pipe is connected with the second air inlet pipe, and the second air outlet pipe is communicated with the dry-type acid mist purifier; the water outlet pipe is connected with the oil separation tank; the third air outlet pipe is communicated with the dry-type acid mist purifier; the three-way pipe is respectively connected with the centrifugal fan, the third air inlet pipe and the waste gas exhaust barrel.
Description
Technical Field
The utility model relates to a metal surface treatment agent production technical field especially relates to metal surface treatment agent waste gas and sewage treatment device.
Background
In the production process of the metal surface treating agent, a large amount of waste gas and sewage can be generated, the waste gas and the sewage are treated independently at present, the waste gas is treated by adopting a spray tower, the sewage is treated by a sewage treatment tank, in the sewage treatment tanks, air or oxygen is required to be filled into the tank when the sewage is treated, the normal operation of chemical or biological reaction in the sewage treatment tanks is ensured, and the problem that how to reasonably match the spray tower with sewage treatment equipment for use is required to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a metal surface treatment agent waste gas and sewage treatment equipment to the not enough of prior art.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
metal surface treatment agent waste gas and sewage treatment device, waste gas and sewage treatment device include: an exhaust gas treatment device and a sewage treatment device;
the exhaust gas treatment device includes: the system comprises a spray washing tower, a dry acid mist purifier, a centrifugal fan and a waste gas exhaust funnel which are sequentially connected through pipelines; the bottom of the spraying washing tower is provided with a first air inlet pipe and a water outlet pipe, and the top of the spraying washing tower is provided with a first air outlet pipe and a second air outlet pipe; the centrifugal fan is connected with the three-way pipe;
the sewage treatment device comprises: the device comprises an adjusting tank, a first pH adjusting tank, an electrochemical reaction tank, a first coagulating sedimentation tank, an air floatation tank, a detection tank and a sludge concentration tank which are sequentially connected through a pipeline, wherein the sludge concentration tank is communicated with the first coagulating sedimentation tank; the regulating tank is arranged in a sealing manner, a second air inlet pipe is arranged at the bottom of the regulating tank, and a third air outlet pipe is arranged at the top of the regulating tank; the air floatation tank is arranged in an open manner, and a third air inlet pipe is arranged at the bottom of the air floatation tank;
the first air outlet pipe is connected with a second air inlet pipe at the bottom of the regulating tank, and the second air outlet pipe is communicated with the dry-type acid mist purifier; the water outlet pipe is connected with the oil separation tank; a third air outlet pipe at the top of the regulating tank is communicated with the dry-type acid mist purifier; one end of the three-way pipe is connected with the centrifugal fan, and the other two ends of the three-way pipe are respectively connected with a third air inlet pipe and an exhaust gas exhaust cylinder at the bottom of the air floatation tank; and valves are arranged at the connecting ends of the first air outlet pipe, the second air outlet pipe, the water outlet pipe, the three-way pipe and the third air inlet pipe and the connecting end of the three-way pipe and the waste gas exhaust funnel.
As an improvement of the above technical solution, the sewage treatment apparatus further comprises: the sewage treatment filter press is arranged at the front end of the regulating tank.
As an improvement of the above technical solution, the sewage treatment apparatus further comprises: an oil separation tank; the oil separation tank is arranged at the front end of the sewage treatment filter press.
As an improvement of the above technical solution, the sewage treatment apparatus further comprises: a second pH adjusting tank and a second coagulating sedimentation tank; the second pH adjusting tank and the second coagulating sedimentation tank are sequentially arranged at the rear end of the air floatation tank; and the second coagulation sedimentation tank is connected with the sludge concentration tank.
The utility model has the advantages that: the adjusting tank is used for adjusting the flow velocity of the sewage, so that the flow velocity of the sewage passing through the adjusting tank is constant; the first pH adjusting tank is arranged for adjusting the pH value of the sewage to make the sewage in weak acidity, so as to meet the requirements of the electrochemical reaction tank and the first coagulating sedimentation tank on the pH value of the sewage; arranging an electrochemical reaction tank for removing heavy metals in the sewage; a first coagulation sedimentation tank is arranged for removing impurities in the sewage through sedimentation; the air floatation tank is arranged to trap and adsorb fine particle stickies to enable the fine particle stickies to float upwards by using a large number of micro bubbles, so that the effect of solid-liquid separation is achieved; a detection tank is arranged for detecting whether the water discharged by the air floatation tank reaches the standard; and a sludge concentration tank is arranged for treating the sludge precipitated in the first coagulation sedimentation tank.
A first air outlet pipe is arranged to enable the gas treated by the spray washing tower to enter an adjusting tank to acidify the sewage in the adjusting tank; the loss of the dry-type acid mist purifier can be reduced, and the dosage of the medicament in the first pH adjusting tank can be reduced; meanwhile, the oxygen content of the liquid in the adjusting tank is increased, so that the adjusting tank has the function of an aeration tank, and the equipment expenditure is reduced.
The gas treated by the dry acid mist purifier enters the air floatation tank under the action of the centrifugal fan to realize the function of the air floatation tank, so that the consumption of the air floatation tank on the air is saved, and the energy loss of filling the air into the air floatation tank is also saved.
Drawings
FIG. 1 is a schematic view of a flow structure of a metal surface treatment agent waste gas and sewage treatment device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a spray scrubber according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a regulating reservoir according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an air flotation tank according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
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.
Examples
As shown in fig. 1, the metal surface treatment agent waste gas and sewage treatment apparatus of the present embodiment includes: an exhaust gas treatment device and a sewage treatment device;
the exhaust gas treatment device includes: a spray washing tower (110), a dry acid mist purifier (120), a centrifugal fan (130) and an exhaust gas exhaust funnel (140) which are connected in sequence through pipelines; the bottom of the spray washing tower 110 is provided with a first air inlet pipe 111 and a water outlet pipe 112, and the top of the spray washing tower is provided with a first air outlet pipe 113 and a second air outlet pipe 114; the centrifugal fan 130 is connected with a three-way pipe 131;
the sewage treatment device comprises: the system comprises a regulating tank 230, a first pH adjusting tank 240, an electrochemical reaction tank 250, a first coagulation sedimentation tank 260, an air floatation tank 270, a detection tank 310 and a sludge concentration tank 300 which are sequentially connected through pipelines, wherein the sludge concentration tank 300 is communicated with the first coagulation sedimentation tank 260; the regulating tank 230 is arranged in a sealing manner, the bottom of the regulating tank is provided with a second air inlet pipe 231, and the top of the regulating tank is provided with a third air outlet pipe 232; the air flotation tank 270 is arranged in an open manner, and a third air inlet pipe 271 is arranged at the bottom of the air flotation tank 270;
the first air outlet pipe 113 is connected with a second air inlet pipe 231 at the bottom of the regulating tank 230, and the second air outlet pipe 114 is communicated with the dry-type acid mist purifier 120; the water outlet pipe 112 is connected with the oil separation tank 210; a third air outlet pipe 232 at the top of the regulating tank 230 is communicated with the dry-type acid mist purifier 120; one end of the three-way pipe 131 is connected with the centrifugal fan 130, and the other two ends of the three-way pipe are respectively connected with a third air inlet pipe 271 at the bottom of the air floatation tank 270 and an exhaust gas exhaust barrel 140; valves are arranged at the connection end of the first air outlet pipe 113, the second air outlet pipe 114, the water outlet pipe 112, the three-way pipe 131 and the third air inlet pipe 271 and the connection end of the three-way pipe 131 and the waste gas exhaust barrel 140.
In the production process of the metal surface treating agent, the generated waste gas enters the spray washing tower 110 through the gas inlet pipe 111, the valve on the first gas outlet pipe 113 is closed, the valve on the second gas outlet pipe 114 is opened, the valve at the end of the three-way pipe 131 connected with the third gas inlet pipe 271 is closed, and the valve at the end of the three-way pipe 131 connected with the waste gas exhaust cylinder 140 is opened; the gas from which the soot in the exhaust gas is removed by the spray scrubber 110 is sequentially passed through the dry acid mist purifier 120 and the centrifugal fan 130 and discharged from the exhaust gas discharge pipe 140.
The generated sewage is treated by the adjusting tank 230, the first pH adjusting tank 240, the electrochemical reaction tank 250, the first coagulating sedimentation tank 260 and the air flotation tank 270 in sequence, then discharged to the detection tank 310, and discharged after being detected to be qualified by the detection tank 310; the precipitates generated from the first coagulation sedimentation tank 260 are discharged to the sludge concentration tank 300.
The adjusting tank 230 is used for adjusting the flow rate of the sewage so that the flow rate of the sewage passing through the adjusting tank 230 is constant, and the first pH adjusting tank 240 is used for adjusting the pH value of the sewage so that the sewage is weakly acidic and meets the requirements of the electrochemical reaction tank 250 and the first coagulation sedimentation tank 260 on the pH value of the sewage; the electrochemical reaction tank 250 is used for removing heavy metals in the sewage, the first coagulation sedimentation tank 260 is used for precipitating and removing impurities in the sewage, the air floatation tank 270 is used for catching and adsorbing fine particle adhesive substances to enable the fine particle adhesive substances to float by applying a large number of micro bubbles to achieve the effect of solid-liquid separation, the detection tank 310 is used for detecting whether water discharged from the air floatation tank 270 reaches the standard or not, the water can be directly discharged when the water reaches the standard, and the water cannot be discharged when the water does not reach the standard and waits for treatment; the sludge concentration tank 300 is used for treating the sludge precipitated in the first coagulation sedimentation tank 260.
The valve on the first air outlet pipe 113 is opened, the valve on the second air outlet pipe 114 is closed, so that the gas treated by the spray washing tower 110 enters the regulating tank 230, passes through the dry acid mist purifier 120 in sequence through the second air inlet pipe 231, and is discharged from the waste gas exhaust funnel 140 through the centrifugal fan 130.
The gas generated during the production of the metal surface treating agent is acidic gas, and is directly introduced into the regulating tank 230 after smoke dust is removed by the spray tower, so that the regulating tank 230 can be acidified, the oxygen content of the liquid in the regulating tank 230 is increased, the regulating tank 230 has the function of an aeration tank, and the equipment expenditure is reduced; the liquid in the acidification adjusting tank 230 can reduce the dosage of the medicament when the wastewater in the adjusting tank 230 enters the first pH adjusting tank 240 for acidification; the consumption of the dry acid mist purifier 120 can be reduced, and the dosage of the first pH adjusting tank 240 can be reduced.
And opening a valve at one end of the three-way pipe 131 connected with the third air inlet pipe 271, and closing a valve at one end of the three-way pipe 131 connected with the exhaust gas exhaust barrel 140, so that the gas treated by the dry type acid mist purifier 120 enters the air floatation tank 270 under the action of the centrifugal fan 130 and is then dispersed into the air.
The air flotation tank 270 needs a large amount of gas, and achieves the effect of solid-liquid separation by using a large amount of micro bubbles to capture and adsorb fine particle stickies to enable the fine particle stickies to float upwards; the gas treated by the dry acid mist purifier 120 reaches the standard of directly discharging the atmosphere; the gas treated by the dry acid mist purifier 120 is directly introduced into the air floatation tank 270 through the centrifugal fan 130, which not only saves the consumption of the air floatation tank 270 to the air, but also saves the energy consumption of filling the air into the air floatation tank 270.
As shown in fig. 1, the sewage treatment apparatus further includes: the sewage treatment filter press 220 is arranged at the front end of the regulating tank 230; the sewage treatment filter press 220 is used for filtering insoluble granular impurities in sewage, and prevents the impurities from entering the regulating tank 230 and affecting the normal operation of the regulating tank 230.
As shown in fig. 1, the sewage treatment apparatus further includes: an oil separation tank 210; the oil separation tank 210 is arranged at the front end of the sewage treatment filter press 220; the oil separation tank 210 is used for removing oil in sewage, so that the sewage is prevented from being layered in a subsequent treatment tank, and the treatment effect of the treatment tank on the sewage is prevented from being influenced.
As shown in fig. 1, the sewage treatment apparatus further includes: a second pH adjusting tank 280 and a second coagulating sedimentation tank 290; the second pH adjusting tank 280 and the second coagulating sedimentation tank 290 are sequentially arranged at the rear end of the air flotation tank 270; the second coagulation sedimentation tank 290 is connected with the sludge concentration tank 300;
the second pH adjusting tank 280 is used for adjusting the pH value of the sewage treated by the air flotation tank to reach the pH value required by the second coagulation sedimentation tank 290, and the second coagulation sedimentation tank 290 is used for removing impurities in the sewage by sedimentation; the sludge precipitated in the second coagulation sedimentation tank 290 is led into the sludge concentration tank 300 for treatment; the secondary precipitation is used for removing impurities, so that a better sewage treatment effect can be achieved, and the water discharged from the sewage treatment device is cleaner and more environment-friendly.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. Metal surface treatment agent waste gas and sewage treatment device, its characterized in that: the waste gas and sewage treatment apparatus includes: an exhaust gas treatment device and a sewage treatment device;
the exhaust gas treatment device includes: a spray washing tower (110), a dry acid mist purifier (120), a centrifugal fan (130) and an exhaust gas exhaust funnel (140) which are connected in sequence through pipelines; a first air inlet pipe (111) and a water outlet pipe (112) are arranged at the bottom of the spray washing tower (110), and a first air outlet pipe (113) and a second air outlet pipe (114) are arranged at the top of the spray washing tower; the centrifugal fan (130) is connected with the three-way pipe (131);
the sewage treatment device comprises: the device comprises an adjusting tank (230), a first pH adjusting tank (240), an electrochemical reaction tank (250), a first coagulation sedimentation tank (260), a floatation tank (270), a detection tank (310) and a sludge concentration tank (300) which are sequentially connected through pipelines, wherein the sludge concentration tank is communicated with the first coagulation sedimentation tank (260); the regulating tank (230) is arranged in a sealing manner, the bottom of the regulating tank is provided with a second air inlet pipe (231), and the top of the regulating tank is provided with a third air outlet pipe (232); the air floatation tank (270) is arranged in an open mode, and a third air inlet pipe (271) is arranged at the bottom of the air floatation tank (270);
the first air outlet pipe (113) is connected with a second air inlet pipe (231) at the bottom of the regulating tank (230), and the second air outlet pipe (114) is communicated with the dry-type acid mist purifier (120); the water outlet pipe (112) is connected with the oil separation tank (210); a third air outlet pipe (232) at the top of the regulating tank (230) is communicated with the dry-type acid mist purifier (120); one end of the three-way pipe (131) is connected with the centrifugal fan (130), and the other two ends are respectively connected with a third air inlet pipe (271) at the bottom of the air floatation tank (270) and an exhaust gas exhaust barrel (140); the waste gas exhaust device is characterized in that valves are arranged at one end of the first air outlet pipe (113), one end of the second air outlet pipe (114), one end of the water outlet pipe (112), one end of the three-way pipe (131) connected with the third air inlet pipe (271) and one end of the three-way pipe (131) connected with the waste gas exhaust barrel (140).
2. The metal surface treatment agent exhaust gas and sewage treatment apparatus according to claim 1, characterized in that: the sewage treatment device further comprises: the sewage treatment filter press (220) is arranged at the front end of the regulating tank (230).
3. The metal surface treatment agent exhaust gas and sewage treatment apparatus according to claim 2, characterized in that: the sewage treatment device further comprises: an oil separation tank (210); the oil separation tank (210) is arranged at the front end of the sewage treatment filter press (220).
4. The metal surface treatment agent exhaust gas and sewage treatment apparatus according to claim 3, characterized in that: the sewage treatment device further comprises: a second pH adjusting tank (280) and a second coagulating sedimentation tank (290); the second pH adjusting tank (280) and the second coagulating sedimentation tank (290) are sequentially arranged at the rear end of the air floatation tank (270); the second coagulation sedimentation tank (290) is connected with the sludge concentration tank (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921385834.3U CN210993478U (en) | 2019-08-23 | 2019-08-23 | Metal surface treatment agent waste gas and sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921385834.3U CN210993478U (en) | 2019-08-23 | 2019-08-23 | Metal surface treatment agent waste gas and sewage treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210993478U true CN210993478U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921385834.3U Active CN210993478U (en) | 2019-08-23 | 2019-08-23 | Metal surface treatment agent waste gas and sewage treatment equipment |
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| Country | Link |
|---|---|
| CN (1) | CN210993478U (en) |
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- 2019-08-23 CN CN201921385834.3U patent/CN210993478U/en active Active
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