CN217148805U

CN217148805U - Fluorine-containing wastewater purification system

Info

Publication number: CN217148805U
Application number: CN202220499940.XU
Authority: CN
Inventors: 梁贇; 凌振清
Original assignee: FUJIAN HAIXIA ENVIRONMENTAL PROTECTION GROUP CO LTD
Current assignee: FUJIAN HAIXIA ENVIRONMENTAL PROTECTION GROUP CO LTD
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-08-09
Anticipated expiration: 2032-03-09

Abstract

The utility model provides a fluoride waste water clean system, include the cistern, add medicine mixing arrangement, flocculation device, the detection effluent device that connect gradually along the rivers direction, the backward flow mouth of detecting the effluent device is connected with the cistern through the pipeline that has the backwash pump, flocculation device's mud mouth has filter pressing device through the pipe connection, it includes the retort to add medicine mixing arrangement, defluorinating agent jar, PH regulator jar to add medicine mixing arrangement, the output of defluorinating agent jar, the output of PH regulator jar are respectively through the pipeline that has the dosing pump and the input end connection of retort, the cistern includes at least one emergent pond, install the stealthily dirty pump in the emergent pond, the output of stealthily dirty pump is connected with the input of retort through the pipeline that has the flowmeter. The utility model relates to a rationally, reduce the human labor, promote holistic efficiency, adopt the current defluorinating agent that does not contain calcium ion to get rid of the fluorinion to pit waste water simultaneously to add coagulating sedimentation tank, the final treatment has been accomplished fluorine and has got into sewage factory or discharge, the water purification treatment of convenient specialization.

Description

Fluorine-containing wastewater purification system

Technical Field

The utility model relates to a fluoride waste water purification system.

Background

At present, fluoride and fluoride have quite wide application in the industry, but a large amount of fluoride-containing wastewater is generated in the using process, and once the fluoride-containing wastewater is discarded at will, serious environmental pollution is caused, so the wastewater needs to be treated in production to reduce the fluorine content in the wastewater, at present, the conventional method for removing fluoride ions is a chemical precipitation method, the common medicament is lime or lime milk, calcium fluoride is generated by reaction, the concentration of the fluoride ions in the effluent is generally 6-10mg/L, if the effluent needs to enter a sewage plant for further treatment of other indexes, the front end adopts a lime defluorination mode, excessive medicament adding possibly causes excessive calcium ions to enter a rear end biochemical tank, but the calcium-containing sewage treatment has a common problem that calcium carbonate crystals and continuous precipitation in a system have influence on the biochemical treatment process, particularly on the stability and the treatment effect of the system, the industry that the calcium concentration in industrial waste water is higher mainly focuses on light industry, chemical industry, petrochemical industry etc. combine similar industrial waste water engineering case to know, and a large amount of calcium ions get into the system and can lead to a large amount of inorganic substances at the system deposit, and denitrification pond mud deposit is in the bottom of the pool, and the nitrification tank is the clear water, and sludge circulating system is destroyed to cause the sedimentation tank to scrape the suction dredge suction pipe of suction dredge and block up seriously, the water effect sharply worsens the phenomenon, and manual cleaning maintenance is difficult, wastes time and energy.

Disclosure of Invention

In view of the above, the present invention provides a system for purifying fluorine-containing wastewater, which solves the problems of the above technical solutions.

The invention is realized by adopting the following scheme: the utility model provides a fluoride waste water clean system, includes cistern, medicine mixing arrangement, flocculation device, the detection effluent device that connects gradually along the rivers direction, the backward flow mouth warp that detects the effluent device is connected with the cistern through the pipeline that has the backwash pump, the mud mouth warp tube coupling of flocculation device has filter pressing device.

Further, add medicine mixing arrangement includes the retort, defluorinating agent jar, PH regulator jar, the output of defluorinating agent jar, the output of PH regulator jar are connected with the input end of retort through the pipeline that has the dosing pump respectively.

Further, the cistern includes at least one emergency pool, install in the emergency pool and stealthily dirty the pump, stealthily dirty the output of pump is connected with the input of retort through the pipeline that has the flowmeter.

Further, the flocculation device includes flocculation cell body, PAM coagulant aid jar, and the output of PAM coagulant aid jar is connected with the input of flocculation cell body through the pipeline that has the dosing pump, the output of retort is connected with the input of flocculation cell body through the pipe connection, the bottom of flocculation cell body is provided with a plurality of mud mouths, and each mud mouth is connected to a sludge tank through a parallel union coupling that has the motorised valve.

Further, detect water installation include the buffer tank be provided with the delivery port on the lateral wall of flocculation cell body, the delivery port is connected with the input of buffer tank through the pipeline, installs fluorine content detection device on the output pipeline of buffer tank.

Furthermore, the backflow port of the buffer tank is connected with an output pipeline of the reservoir through a backflow pipe with a backflow pump, the output port of the backflow pipe is connected with the output pipeline of the reservoir through a pipeline with an electric valve, a discharge port is arranged beside the output port of the backflow pipe, and the discharge port is connected with the reservoir through a pipeline with an electric valve.

Further, the filter pressing device is a plate-and-frame filter press, and the output end of the sludge tank is connected with the input end of the plate-and-frame filter press through a pipeline with a pneumatic diaphragm pump.

Further, a PH detection device is installed on the reaction tank, and a vertical upward exhaust tank is communicated with a connecting pipeline between the reaction tank and the flocculation tank body.

Furthermore, stirring blades driven by a motor are arranged in the reaction tank, the defluorinating agent tank, the PH regulator tank, the PAM coagulant aid tank, the flocculation tank body and the sludge tank.

Compared with the prior art, the utility model discloses there is following beneficial effect: reasonable in design reduces the human labor, promotes holistic efficiency, adopts the current defluorinating agent that does not contain calcium ion to get rid of the fluorinion to pit waste water simultaneously to add coagulating sedimentation tank, it gets into sewage plant or discharges to have handled fluorine at last, makes things convenient for specialized water purification treatment.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure: 1, a water reservoir; 2-a reaction tank; 3-a defluorination agent tank; 4-PH regulator tank; 5-a reflux pump; 6-a dosing pump; 7-a submersible sewage pump; 8-a flow meter; 9-a flocculation tank body; a 10-PAM coagulant aid tank; 11-sludge port; 12-a sludge tank; 13-a buffer tank; 14-a water outlet; 15-a fluorine content detection device; 16-an electric valve; 17-plate and frame filter press; 18-PH detection means; 19-stirring shaft.

Detailed Description

The invention is further explained by the following embodiments in conjunction with the drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. 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 application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As shown in figure 1, this embodiment provides a fluoride waste water purification system, include 1 along the cistern that rivers direction connected gradually, add medicine mixing arrangement, flocculation device, detect out the water installation, the backward flow mouth that detects out the water installation is connected with the cistern through the pipeline that has backwash pump 5, flocculation device's mud mouth has filter pressing device through the pipe connection, during the use, through taking out waste water in the cistern to add medicine mixing arrangement in with the liquid medicine after preliminary mixing, discharge the mixing water again and deposit in the flocculation device, then will deposit the clear solution discharge, detect at last in detecting out the water installation, fluorine content is up to standard just sends out water, if not up to standard just backward flow retreatment, the mud of the interior sediment of flocculation device passes through filter pressing device and handles simultaneously, reduces the time of whole clearance.

In this embodiment, add medicine mixing arrangement includes retort 2, defluorinating agent jar 3, PH regulator jar 4, the output of defluorinating agent jar, the output of PH regulator jar are connected with the input end of retort through the pipeline that has dosing pump 6 respectively, and the waste liquid is adjusted to the PH regulator to neutral, and the defluorinating agent mixes with the waste liquid in the retort, deposits in the flocculation device at last.

In this embodiment, for reasonable in design, the cistern includes at least one emergency pool, and this embodiment adopts two emergency pools, install stealthily dirty pump 7 in the emergency pool, stealthily dirty pump's output is connected with the input of retort through the pipeline that has flowmeter 8.

In this embodiment, the flocculation device includes flocculation cell body 9, PAM coagulant aid jar 10, and the output of PAM coagulant aid jar is connected with the input of flocculation cell body through the pipeline that has the dosing pump, the output of retort is connected with the input of flocculation cell body through the pipe connection, the bottom of flocculation cell body is provided with a plurality of mud mouths 11, and on each mud mouth connected to a sludge tank 12 through a parallel pipe that has the motorised valve, PAM coagulant aid added to the flocculation cell body for mix flocculation with higher speed, the mud mouth is connected to the sludge tank, carries out the filter-pressing after depositing a certain amount of mud.

In this embodiment, detect out the water installation include buffer tank 13 be provided with delivery port 14 on the lateral wall of flocculation cell body, the delivery port is connected with the input of buffer tank through the pipeline, installs some mutually fluorine content detection device 15 on the output pipeline of buffer tank, and fluorine content detection device detects whether up to standard the water in the buffer tank, and the final decision is whether to discharge the water in the buffer tank, still flows back.

In this embodiment, for reasonable design, the return port of the buffer tank is connected with the output pipeline of the reservoir through a return pipe with a return pump, the output port of the return pipe is connected with the output pipeline of the reservoir through a pipeline with an electric valve 16, a discharge port is arranged beside the output port of the return pipe, and the discharge port is connected with the reservoir through a pipeline with an electric valve.

In this embodiment, the filter pressing device is an existing plate-and-frame filter press 17, and the output end of the sludge tank is connected with the input end of the plate-and-frame filter press through a pipeline with a pneumatic diaphragm pump.

In this embodiment, because need let the mixed water pH value be neutral, consequently according to installing current pH detection device 18 on the retort for detect the pH value, conveniently control the addition of pH regulator.

In this embodiment, for reasonable in design, all install by motor drive's (mixing) shaft 19 in retort, defluorinating agent jar, PH regulator jar, PAM coagulant aid jar, flocculation cell body, the mud jar, the tip of (mixing) shaft is provided with the stirring leaf.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.

The utility model discloses if disclose or related to mutual fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the orientation or positional relationship indicated in any of the above-mentioned technical solutions of the present disclosure for indicating positional relationship, such as "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the present disclosure, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present disclosure, and the term used for indicating shape applied in any of the above-mentioned technical solutions of the present disclosure includes a shape similar, analogous or approximate thereto unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a fluoride waste water clean system, its characterized in that includes cistern, medicine mixing arrangement, flocculation device, the detection effluent device that connects gradually along the rivers direction, the backward flow mouth warp that detects the effluent device is connected with the cistern through the pipeline that has the backwash pump, the mud mouth warp tube coupling of flocculation device has filter pressing device.

2. The fluorine-containing wastewater purification system according to claim 1, wherein the chemical-adding mixing device comprises a reaction tank, a fluorine-removing agent tank and a pH regulator tank, and the output end of the fluorine-removing agent tank and the output end of the pH regulator tank are respectively connected with the input end of the reaction tank through a pipeline with a chemical-adding pump.

3. The fluorine-containing wastewater purification system according to claim 2, wherein the water reservoir comprises at least one emergency tank, a submersible sewage pump is installed in the emergency tank, and the output end of the submersible sewage pump is connected with the input end of the reaction tank through a pipeline with a flow meter.

4. The fluorine-containing wastewater purification system according to claim 3, wherein the flocculation device comprises a flocculation tank body and a PAM coagulant aid tank, an output end of the PAM coagulant aid tank is connected with an input end of the flocculation tank body through a pipeline with a dosing pump, an output end of the reaction tank is connected with an input end of the flocculation tank body through a pipeline, a plurality of sludge ports are arranged at the bottom of the flocculation tank body, and each sludge port is connected to a sludge tank through a parallel pipe with an electric valve.

5. The fluoride waste water purification system of claim 4, wherein the water outlet detection device comprises a buffer tank, a water outlet is arranged on the side wall of the flocculation tank body, the water outlet is connected with the input end of the buffer tank through a pipeline, and a fluoride content detection device is arranged on the output pipeline of the buffer tank.

6. The fluorine-containing wastewater purification system according to claim 5, wherein the reflux port of the buffer tank is connected with the output pipeline of the reservoir through a reflux pipe with a reflux pump, the output port of the reflux pipe is connected with the output pipeline of the reservoir through a pipeline with an electric valve, a discharge port is arranged beside the output port of the reflux pipe, and the discharge port is connected with the reservoir through a pipeline with an electric valve.

7. The fluoride-containing wastewater purification system of claim 4, wherein the filter pressing device is a plate-and-frame filter press, and the output end of the sludge tank is connected with the input end of the plate-and-frame filter press through a pipeline with a pneumatic diaphragm pump.

8. The fluorine-containing wastewater purification system according to claim 4, wherein a pH detection device is installed on the reaction tank.

9. The fluoride-containing wastewater purification system of claim 6, wherein the reaction tank, the defluorinating agent tank, the pH regulator tank, the PAM coagulant aid tank, the flocculation tank body and the sludge tank are all provided with stirring blades driven by a motor.