CN215161643U - Waste liquid treatment coagulation device - Google Patents

Abstract

The utility model discloses a waste liquid treatment coagulation device, which comprises a shell, wherein the interior of the shell is divided into a PH adjusting cavity, a coagulation cavity and a flocculation cavity from top to bottom; the setting of setting is in the bottom of casing, be equipped with the leakage fluid dram on the lateral wall of setting, the interior bottom surface of setting is equipped with first baffle, the upper end of first baffle extends to the top of setting, first baffle separates the setting for sedimentation chamber and water purification chamber, be linked together through third pipeline between flocculation chamber and the sedimentation chamber, the leakage fluid dram communicates with the water purification chamber each other, be equipped with water purification intercommunication mouth on the first baffle, sedimentation chamber and water purification chamber are linked together through water purification intercommunication mouth, improve waste liquid's filter effect, and the reduction in production cost, device total area is little, the improvement area rate of utilization.

Description

Waste liquid treatment coagulation device

Technical Field

The utility model relates to a waste liquid treatment device field, in particular to waste liquid treatment coagulation device.

Background

The coagulation method is a common method for treating waste liquid, namely, a coagulation agent is put into the waste liquid to destabilize colloids and fine suspended matters in the waste liquid, and the colloid and the fine suspended matters are gathered into alum flocs with the size of hundreds of micrometers to several millimeters, so that the metal waste liquid can be removed by gravity settling or other solid-liquid separation means. In order to adapt to the properties and treatment process characteristics of various metal waste liquids, domestic researchers design various coagulation devices to improve the coagulation effect and the effluent quality. However, the various coagulation devices in the prior art have the following disadvantages: the overall occupied area of the coagulation equipment is large, and the coagulation equipment is not suitable for places with high requirements on the use area, such as laboratories.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste liquid treatment coagulation device to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The utility model provides a solution of its technical problem is: a waste liquid treatment coagulation apparatus comprising: the device comprises a shell, a water inlet, a water outlet; the setting of settling tank is in the bottom of casing, be equipped with the leakage fluid dram on the lateral wall of settling tank, the interior bottom surface of settling tank is equipped with first baffle, the upper end of first baffle to the top of settling tank extends, first baffle will the settling tank separates for sedimentation chamber and water purification chamber, the flocculation chamber with be connected with third pipeline between the sedimentation chamber, the leakage fluid dram with the water purification chamber communicates each other, be equipped with water purification intercommunication mouth on the first baffle, the sedimentation chamber with the water purification chamber passes through the water purification intercommunication mouth is linked together.

The technical scheme at least has the following beneficial effects: waste liquid continuously enters the PH adjusting cavity through a first liquid inlet on the shell, a PH adjusting agent is added into the PH adjusting cavity through a first agent adding port and is subjected to chemical reaction with the waste liquid, formed precipitates are left at the bottom of the cavity under the action of gravity, the waste liquid after PH adjustment is input into a first conveying pipeline and is discharged into a coagulation cavity below the PH adjusting cavity from the other end of the first conveying pipeline, a coagulation agent is added into the coagulation cavity from a second agent adding port and is subjected to chemical reaction with the waste liquid in the coagulation cavity, the formed precipitates are left at the bottom of the cavity under the action of gravity, colloid in waste liquid is destabilized and generates micro aggregates, the waste liquid generating the micro aggregates is input into a second conveying pipeline and is discharged into a flocculation cavity below the coagulation cavity from the other end of the second conveying pipeline, the flocculation agent is added into the flocculation cavity from a third agent adding port and is subjected to chemical reaction with the waste liquid in the flocculation cavity, the formed precipitate is remained at the bottom of the cavity under the action of gravity, destabilized colloid or tiny suspended matters in the waste liquid after reaction are gradually coalesced into large floccules, the liquid after the reaction is input into a third conveying pipeline and is discharged into the precipitation cavity from the other end of the third conveying pipeline, the liquid is gradually filled in the precipitation cavity, the precipitate is deposited at the bottom of the precipitation cavity, supernatant is discharged into a water purifying cavity from a water purifying communicating port, and after secondary deposition of the precipitate in the liquid is carried out in the water purifying cavity, a liquid discharging port is finally discharged, the filtering effect of the waste liquid is improved, the pipeline is simple, because a plurality of cavities are communicated through the high and low positions of the conveying pipelines, the waste liquid has height difference in different cavities, the liquid is accumulated, the liquid can flow to the cavity below under the action of liquid level pressure and gravity, and the liquid is not required to be pumped into by a booster pump, the production cost is reduced, the total occupied area of the device is small, the occupied area utilization rate is improved, and the device is suitable for places with higher requirements on the use area, such as a laboratory.

As a further improvement of the technical proposal, the first liquid inlet is positioned at the lower part of the PH adjusting cavity, one end of the first conveying pipeline is communicated with the upper part of the PH adjusting cavity, the other end of the first conveying pipeline is communicated with the lower part of the coagulating cavity, one end of the second conveying pipeline is communicated with the upper part of the coagulation cavity, the other end of the second conveying pipeline is communicated with the lower part of the flocculation cavity, one end of the third conveying pipeline is communicated with the upper part of the flocculation cavity, the other end of the third conveying pipeline is communicated with the sedimentation cavity, the first dosing port is higher than the first liquid inlet, the second dosing port is higher than one end of the first conveying pipeline communicated with the coagulation cavity, the third dosing port is higher than the position of one end of the flocculation cavity communicated with the second conveying pipeline. Adjust the chamber at PH, in coagulating chamber and flocculation chamber, the flow direction of waste liquid is the lower part inflow from this cavity, the upper portion flows, make the liquid that flows into the cavity can more fully react, and improve settling time and precipitation effect, and first dosing mouth, the position of second dosing mouth and third dosing mouth, all be higher than the height that liquid flowed in its cavity of locating, the recoil effect to dosing mouth production when reducing liquid inflow cavity, the pressure that liquid produced to dosing mouth in the cavity when also reducing the dosing, conveniently add the medicine, make waste liquid realize better filter effect in limited cavity volume.

As another improvement of the technical scheme, the PH adjusting cavity and the coagulating cavity, the coagulating cavity and the flocculating cavity, and the flocculating cavity and the settling tank are separated by sealing butterfly valves. In the processing procedure of whole abandonment liquid, adjust the chamber and utilize sealed butterfly valve to separate each other between the chamber thoughtlessly congeal, and only communicate through first pipeline, it separates each other to utilize sealed butterfly valve between chamber thoughtlessly congeal and the flocculation chamber, and only communicate through second pipeline, utilize sealed butterfly valve to separate each other between flocculation chamber and the setting tank, and only communicate through third pipeline, realize separating for a plurality of cavities in a casing, improve the leakproofness, after abandonment liquid stops to carry, open corresponding sealed butterfly valve, make PH adjust the chamber, it arranges next cavity in the opening along with sealed butterfly valve to thoughtlessly congeal the remaining liquid in chamber and the flocculation chamber and the accumulational mud in cavity bottom, convenient washing, improve user's use and experience.

As a further improvement of the above technical solution, the PH adjusting chamber, the coagulation chamber and the flocculation chamber are all provided with aeration components at their bottoms, each of the aeration components comprises a booster pump, aeration pipelines and aeration nozzles, the center line of the housing is used as a reference line, the first ends of the aeration pipelines are connected, at least two aeration pipelines are provided, every two aeration pipelines are arranged at intervals, the plurality of aeration pipelines are equidistantly offset with the reference line as a center, the plurality of aeration pipelines are communicated with each other through a communication pipe, the plurality of aeration nozzles are arranged at the top of the aeration pipelines upward, the aeration nozzles are communicated with the aeration pipelines, and the booster pump is connected to the aeration pipelines and provides air injection pressure for the aeration nozzles. Among the waste liquid treatment process, adjust the cavity with PH, the booster pump in chamber and flocculation chamber is opened thoughtlessly, make after waste liquid enters into corresponding cavity, the aeration shower nozzle is gaseous to liquid blowout, liquid in the cavity provides the stirring effect, make waste liquid and medicament intensive mixing, improve the filter effect, it is extravagant to reduce the medicament, and the reduction in production cost, after waste liquid stops transporting, residual liquid and mud in the cavity can be through the clearance discharge between the aeration pipeline, convenient washing, and the structure is reliable.

As another improvement of the technical scheme, the casing is positioned on the inner wall of the PH adjusting cavity and is provided with a PH detecting port, and the PH detecting port is positioned between one end of the first conveying pipeline connected with the PH adjusting cavity and the first liquid inlet. The accuracy of regulation to abandonment liquid PH improves the filter effect for the user drops into the volume that PH adjusted the medicament more accurately, and it is extravagant to reduce the medicament, reduction in production cost.

As another improvement of the above technical scheme, the inner bottom surface of the settling tank is further provided with a second partition plate, the upper end of the second partition plate extends and is connected with the top of the settling tank, the settling tank is sequentially divided into a purified water cavity, a settling cavity and a sludge concentration cavity by the first partition plate and the second partition plate, one end of the third conveying pipeline extends into the settling cavity and is close to the first partition plate, a sludge communicating port is formed in the bottom of the second partition plate, the position of the sludge communicating port is lower than that of the purified water communicating port, the wall surface of the settling tank is provided with a first sludge outlet, the first sludge outlet is communicated with the sludge concentration cavity, and the position of the first sludge outlet is lower than that of the sludge communicating port. Liquid after the reaction in the flocculation cavity flows into to the sedimentation cavity through a third conveying pipeline, in-process to the continuous accumulation liquid in sedimentation cavity, because discharge into under the impact of the liquid in sedimentation cavity from the flocculation cavity, then the water purification intracavity is discharged through water purification intercommunication mouth on the first baffle when the supernatant fluid accumulation reaches the take the altitude, the deposit of sedimentation cavity bottom is gradually to the deposit of second baffle direction, then flow into the sludge concentration intracavity through mud intercommunication mouth when the deposit accumulation reaches the take the altitude, sludge in the final sludge concentration intracavity can be discharged in following first mud mouth, improve sludge accumulation effect, make the sludge amount in the sedimentation cavity maintain a more stable within range, and the filtering effect is improved, and the water purification quality is improved, and the convenience of customers is clean.

As a further improvement of the technical scheme, the sludge concentration cavity, the sedimentation cavity and the water purification cavity are respectively provided with a liquid discharge valve at the bottom, the sedimentation cavity is provided with a second sludge outlet at the bottom, and the liquid discharge valve and the second sludge outlet are respectively positioned on the bottom surface of the sedimentation tank. After the waste liquid stops filtering, the mud in the sedimentation chamber can be discharged from the second mud outlet, and the liquid that gathers in mud concentration chamber, sedimentation chamber and the water purification intracavity can be discharged from the flowing back valve simultaneously, makes things convenient for flowing back and person of facilitating the use's washing, and the improvement user uses experience.

As another improvement of the above technical scheme, the waste liquid treatment coagulation device further comprises a lift pump, a back washing cavity is further arranged inside the shell, the back washing cavity is located at the top of the PH adjusting cavity, a water inlet of the lift pump is connected with a water inlet pipeline, the water inlet pipeline extends into the water purifying cavity and is communicated with the water purifying cavity, the water inlet pipeline extends into one end of the water purifying cavity and is lower than the liquid outlet, a first adjusting valve is arranged on the water inlet pipeline, a water outlet of the lift pump is connected with a water outlet pipeline, and the water outlet pipeline is connected with the back washing cavity. The clarified water of elevator pump extraction water purification intracavity is discharged the back flush intracavity, and clarified water fills into from the top in PH regulation chamber immediately, realizes the inner loop of treatment water, improves the filter effect of waste water, and after PH regulation chamber stopped discharging the waste liquid, the clarified liquid that the elevator pump got the water purification intracavity and gathered can also provide abluent effect to a plurality of cavitys, and the discharged water is gathered and failed in the make full use of water purification intracavity, convenient washing.

As a further improvement of the technical scheme, a flow distribution plate is separated between the backwashing cavity and the PH adjusting cavity, and a plurality of flow distribution channels are arranged on the end surface of the flow distribution plate. So that the liquid in the back washing cavity can flow into the PH adjusting cavity more uniformly, and the cleaning and liquid internal circulation effects are improved.

As another improvement of the technical scheme, the water inlet of the lift pump is also connected with an external infusion tube, and a second regulating valve is arranged on the external infusion tube. At the abluent in-process of waste liquid treatment coagulation system, the user passes through external transfer line, discharges into the back flush intracavity with external clear water, realizes the further clearance to a plurality of cavitys in the casing and a plurality of cell bodies in the settling tank, and the user need not climb on the PH adjusts the chamber can carry out the washing of device, makes things convenient for the maintenance of equipment to, also can conveniently demonstrate when using in the laboratory, improve the user and use experience.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a structural diagram of a waste liquid treatment coagulation device according to an embodiment of the present invention.

In the drawings: 110-shell, 120-PH adjusting cavity, 121-first liquid inlet, 122-first medicine adding port, 123-PH detecting port, 130-coagulating cavity, 131-second medicine adding port, 140-flocculating cavity, 141-third medicine adding port, 150-first conveying pipeline, 160-second conveying pipeline, 170-third conveying pipeline, 180-sealing butterfly valve, 190-aerating pipeline, 210-settling tank, 211-a drain valve, 220-a first partition plate, 221-a water purification communicating port, 230-a second partition plate, 231-a sludge communicating port, 240-a sedimentation cavity, 250-a water purification cavity, 251-a drain port, 260-a sludge concentration cavity, 261-a first sludge outlet, 270-a lift pump, 280-a backwashing cavity, 290-a flow distribution plate and 291-a flow distribution channel.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, 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, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the waste liquid treatment coagulation device comprises a housing 110, the interior of the housing 110 is divided into a PH adjusting cavity 120, a coagulation cavity 130 and a flocculation cavity 140 from top to bottom, the side wall of the housing 110 is further provided with a first liquid inlet 121, a first dosing port 122, a second dosing port 131 and a third dosing port 141, the first liquid inlet 121 and the first dosing port 122 are communicated with the PH adjusting cavity 120, the second dosing port 131 is communicated with the coagulation cavity 130, the third dosing port 141 is communicated with the flocculation cavity 140, a first conveying pipeline 150 is connected between the PH adjusting cavity 120 and the coagulation cavity 130, and a second conveying pipeline 160 is connected between the coagulation cavity 130 and the flocculation cavity 140; the settling tank 210 is arranged at the bottom of the shell 110, a liquid outlet 251 is formed in the side wall of the settling tank 210, a first partition plate 220 is arranged on the inner bottom surface of the settling tank 210, the upper end of the first partition plate 220 extends towards the top of the settling tank 210, the settling tank 210 is divided into a settling chamber 240 and a purified water chamber 250 by the first partition plate 220, a third conveying pipeline 170 is connected between the flocculation chamber 140 and the settling chamber 240, the liquid outlet 251 and the purified water chamber 250 are communicated with each other, a purified water communicating opening 221 is formed in the first partition plate 220, and the settling chamber 240 and the purified water chamber 250 are communicated through the purified water communicating opening 221. The pipeline is simple, because the plurality of cavities are communicated by the high and low positions of the conveying pipeline, the waste liquid has height difference in different cavities, and under the action of liquid level pressure and gravity, the liquid can flow to the cavity below, the parts are simple, the booster pump is not needed for pumping the liquid, the production cost is reduced, the device has small overall occupied area, improves the utilization rate of the occupied area, is suitable for places with higher requirements on the use area, such as laboratories and the like, and, after the liquid reacted in the flocculation chamber 140 is discharged into the settling chamber 240, the precipitate such as floc, sludge, etc. is settled at the bottom of the settling chamber 240, the supernatant is discharged into the purified water chamber 250 from the purified water communication port 221, and after the secondary deposition of the sediments in the liquid is carried out in the water purifying cavity 250, the final clarified liquid is discharged out of the liquid outlet 251, and the filtering effect of the waste liquid is improved. In fact, the waste liquid can be metal waste liquid, production sewage and the like, and the waste liquid treatment coagulation device can be used for laboratory demonstration, industrial treatment and the like. It should be noted that the drain opening 251 is disposed below the purified water communication opening 221 to prevent the clarified water in the purified water chamber 250 from mixing with the liquid in the sedimentation chamber 240, thereby improving the quality of the discharged water, and the purified water communication opening 221 and the drain opening 251 should be disposed at the upper portions of the first partition plate 220 and the purified water chamber 250 as much as possible, thereby improving the sedimentation time of the sediment in the purified water chamber 250 and improving the sedimentation effects of the sedimentation chamber 240 and the purified water chamber 250.

Moreover, in order to achieve better filtering effect, in some embodiments, the first liquid inlet 121 is located at the lower part of the PH adjusting cavity 120, one end of the first conveying pipe 150 is communicated with the upper part of the PH adjusting cavity 120, the other end of the first conveying pipe 150 is communicated with the lower part of the coagulation cavity 130, one end of the second conveying pipe 160 is communicated with the upper part of the coagulation cavity 130, the other end of the second conveying pipe 160 is communicated with the lower part of the flocculation cavity 140, one end of the third conveying pipe 170 is communicated with the upper part of the flocculation cavity 140, the other end of the third conveying pipe 170 is communicated with the sedimentation cavity 240, the position of the first dosing port 122 is higher than that of the first liquid inlet 121, the position of the second dosing port 131 is higher than that of the first conveying pipe 150 is communicated with the end of the coagulation cavity 130, and the position of the third dosing port 141 is higher than that of the second conveying pipe 160 is communicated with one end of the flocculation cavity 140. The position of arranging of this pipeline for the liquid that flows in each cavity can more fully react, and improve settling time and effect, and, to the recoil effect that adds the medicine mouth and produce when reducing liquid and flowing into the cavity, the pressure that liquid produced to adding the medicine mouth in the cavity when also reducing and adding the medicine conveniently adds the medicine, makes waste liquid realize better filter effect in limited cavity volume. It should be noted that the liquid inlet height of each cavity should be set up in the lower part of the cavity as far as possible, the liquid outlet height should be set up in the upper part of the cavity as far as possible, the sedimentation effect is improved, the water outlet quality is improved, meanwhile, because a plurality of cavities are distributed from top to bottom, so that the last cavity has a hydraulic pressure difference to the next cavity, so that the liquid in the last cavity can be naturally conveyed to the next cavity, a booster pump and the like are not needed, the production cost is reduced, in addition, the liquid inlet height and position, the liquid outlet height and position and the medicine adding height and position of each cavity can be set according to the shape of the cavity, the requirements of a user and the like, and the embodiment does not specifically limit the above.

In addition, the PH adjusting cavity 120 and the coagulation cavity 130, the coagulation cavity 130 and the flocculation cavity 140, and the flocculation cavity 140 and the sedimentation tank 210 can be separated by a sealing butterfly valve 180. The realization is separated into a plurality of cavities in a casing 110 at a plurality of butterfly valves, improves the leakproofness, stops carrying the back when abandonment liquid, adjusts corresponding sealed butterfly valve 180's opening size for remaining liquid and cavity bottom accumulational mud are discharged next cavity along with sealed butterfly valve 180's opening in the cavity, and convenient the washing improves the user and uses experience. In fact, the separation plates can be adopted between every two cavities for separation, so that the installation is convenient, and the production cost is reduced. In addition, an electric sealing butterfly valve 180 can be used for separating the chambers, so that the automation effect is improved, and the opening size of the valve is conveniently controlled. And, in order to improve the filtering effect, in some embodiments, the bottom of the PH adjusting chamber 120, the coagulation chamber 130 and the flocculation chamber 140 may be provided with an aeration assembly, the aeration assembly includes a booster pump, at least two aeration pipes 190 and at least two aeration nozzles, the center line of the housing 110 is used as a reference line, the first ends of the aeration pipes 190 are connected, every two aeration pipes 190 are arranged in a gap, the plurality of aeration pipes 190 are equidistantly offset around the reference line, the plurality of aeration pipes 190 are communicated with each other through a communication pipe, the plurality of aeration nozzles are upwardly disposed at the top of the aeration pipes 190, the aeration nozzles are communicated with the aeration pipes 190, and the booster pump is connected to the aeration pipes 190 and provides an air injection pressure for the aeration nozzles. Aeration shower nozzle on the aeration pipeline 190 provides the stirring effect to liquid blowout gas for the liquid in the cavity for waste liquid and medicament intensive mixing, improve the filter effect, it is extravagant to reduce the medicament, reduction in production cost, after waste liquid stops the transportation, open corresponding sealed butterfly valve 180, make remaining liquid in the cavity and mud can discharge through the clearance between the aeration pipeline 190, convenient washing, the structure is reliable. It can be known that, in practical application, each cavity is provided with a vent so as to balance the pressure inside the cavity, prevent the shell from expanding or contracting inwards, reduce the deformation of the shell, and improve the flowability of the liquid flowing to the next cavity. It should be noted that, the cross section of the housing 110 may be circular, the energy loss of the liquid flow is less, the circular flow is the largest in the same circumference, the strength of the circular cross section is the largest in the same thickness, and the circular cross section may also be a square aeration pipeline 190, which is convenient for processing, and can be placed compactly during transportation, thereby improving the space utilization rate, and the like, meanwhile, the distribution shape of the aeration pipeline 190 may be annular or square, and the center of the housing 110 coincides with the centers of the aeration pipelines 190, and the aeration pipelines 190 are equidistantly offset along the center line of the housing 110, so that the aeration nozzle uniformly gives out air at the bottom of the cavity, thereby improving the stirring effect, fully mixing the waste liquid and the medicament, improving the filtering effect, reducing the medicament waste, and reducing the production cost.

In some embodiments, the housing 110 is provided with a PH detection port 123 on an inner wall of the PH adjusting chamber 120, and the PH detection port 123 is located between an end of the first delivery pipe 150 connected to the PH adjusting chamber 120 and the first liquid inlet 121. The accuracy of regulation to abandonment liquid PH improves the filter effect for the user drops into the volume that PH adjusted the medicament more accurately, and it is extravagant to reduce the medicament, reduction in production cost.

In order to improve the filtering effect, a second partition plate 230 is further arranged on the inner bottom surface of the settling tank 210, the upper end of the second partition plate 230 extends towards the top of the settling tank 210 and is connected with the top of the settling tank 210, the settling tank 210 is sequentially divided into a purified water cavity 250, a settling cavity 240 and a sludge concentration cavity 260 by the first partition plate 220 and the second partition plate 230, one end of the third conveying pipeline 170 extends into the settling cavity 240 and is close to the first partition plate 220, a sludge communicating port 231 is arranged at the bottom of the second partition plate 230, the position of the sludge communicating port 231 is lower than that of the purified water communicating port 221, a first sludge outlet 261 is arranged on the wall surface of the settling tank 210, the first sludge outlet 261 is communicated with the sludge concentration cavity 260, and the position of the first sludge outlet 261 is lower than that of the sludge communicating port 231. Specifically, because discharge into the impact of the liquid in sedimentation chamber 240 from flocculation chamber 140 under, the supernatant is accumulated and is then discharged into water purification chamber 250 through water purification intercommunication mouth 221 on first baffle 220 when the take the altitude, the deposit of sedimentation chamber 240 bottom is deposited to second baffle 230 direction gradually, then flow into sludge concentration chamber 260 through mud intercommunication mouth 231 when the deposit is accumulated the take the altitude in, the mud in the final sludge concentration chamber 260 can be discharged from first mud outlet 261, improve the mud and gather the effect, make the mud volume in sedimentation chamber 240 maintain a more stable within range, improve the filter effect, improve the water purification quality, convenience of customers is clean. In addition, in practical application, the bottom of the sludge concentration chamber 260, the bottom of the sedimentation chamber 240 and the bottom of the purified water chamber 250 are all provided with a drain valve 211, the bottom of the sedimentation chamber 240 is provided with a second sludge outlet, and the drain valve 211 and the second sludge outlet are both located on the bottom surface of the sedimentation tank 210. After the waste liquid stops filtering, mud in the sedimentation chamber 240 can be discharged from the second mud outlet, and the liquid that gathers in mud concentration chamber 260, sedimentation chamber 240 and the water purification chamber 250 can be discharged from the flowing back valve 211 simultaneously, makes things convenient for flowing back and person of facilitating the use's washing, improves user's use and experiences.

In addition, in order to realize the internal circulation of the treated water, the waste liquid treatment coagulation device further comprises a lift pump 270, a back washing cavity 280 is further arranged inside the shell 110, the back washing cavity 280 is positioned at the top of the pH adjusting cavity 120, a water inlet of the lift pump 270 is connected with a water inlet pipeline, the water inlet pipeline extends into the purified water cavity 250 and is communicated with the purified water cavity 250, one end of the water inlet pipeline, which extends into the purified water cavity 250, is lower than the liquid outlet 251, a first adjusting valve is arranged on the water inlet pipeline, a water outlet of the lift pump 270 is connected with a water outlet pipeline, and the water outlet pipeline is connected with the back washing cavity 280. Specifically, after lift pump 270 and first governing valve are opened, lift pump 270 extracts the clarified water in clear water cavity 250 and discharges into back flush cavity 280, clarified water fills in from the top of PH regulation cavity 120 immediately, realize the inner loop of treatment water, improve the filter effect of waste water, after PH regulation cavity 120 stops discharging the waste liquid, lift pump 270 extracts the clarified liquid that gathers in clear water cavity 250, can also provide abluent effect to PH regulation cavity 120, coagulate chamber 130 and flocculation chamber 140, make full use of clear water cavity 250 in the accumulation and fail discharged water, convenient washing, in addition, the inlet channel stretches into the height that highly is less than leakage fluid dram 251 of clear water cavity 250 one end, make the clarified liquid in the extraction clear water cavity 250 that lift pump 270 can be smooth. Furthermore, a flow distribution plate 290 may be partitioned between the backwash chamber 280 and the PH adjustment chamber 120, and a plurality of flow distribution channels 291 are provided on an end surface of the flow distribution plate 290. So that the liquid in the back washing cavity 280 can flow into the pH adjusting cavity 120 more uniformly, and the cleaning and internal liquid circulation effects are improved. It should be noted that the distributing channels 291 may be uniformly disposed on the distributing plate 290, so that the liquid flows more uniformly into the PH adjusting chamber 120, and the cleaning and internal liquid circulation effects are improved. In addition, the water inlet of the lift pump 270 is also connected with an external infusion tube, and a second regulating valve is arranged on the external infusion tube. At the abluent in-process of waste liquid treatment coagulation unit, the user passes through external transfer line, discharges into back flush chamber 280 with external clear water, realizes the further clearance to a plurality of cavitys in casing 110 and a plurality of cell bodies in the setting tank 210, and the user need not climb and can carry out the washing of device on the PH regulation chamber 120, convenient maintenance equipment to, also can conveniently demonstrate when using in the laboratory, improve the user and use experience.

The above description is for the purpose of illustrating the preferred embodiments of the present invention, but the present invention is not limited to the illustrated embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the appended claims.

Claims (10)

1. The utility model provides a waste liquid treatment coagulation device which characterized in that: the method comprises the following steps:

the device comprises a shell (110), wherein the interior of the shell is divided into a PH regulation cavity (120), a coagulation cavity (130) and a flocculation cavity (140) from top to bottom, the side wall of the shell (110) is further provided with a first liquid inlet (121), a first dosing port (122), a second dosing port (131) and a third dosing port (141), the first liquid inlet (121) and the first dosing port (122) are communicated with the PH regulation cavity (120), the second dosing port (131) is communicated with the coagulation cavity (130), the third dosing port (141) is communicated with the flocculation cavity (140), a first conveying pipeline (150) is connected between the PH regulation cavity (120) and the coagulation cavity (130), and a second conveying pipeline (160) is connected between the coagulation cavity (130) and the flocculation cavity (140);

the sedimentation tank (210) is arranged at the bottom of the shell (110), a liquid outlet (251) is formed in the side wall of the sedimentation tank (210), a first partition plate (220) is arranged on the inner bottom surface of the sedimentation tank (210), the upper end of the first partition plate (220) extends towards the top of the sedimentation tank (210), the first partition plate (220) divides the sedimentation tank (210) into a sedimentation chamber (240) and a purified water chamber (250), a third conveying pipeline (170) is connected between the flocculation chamber (140) and the sedimentation chamber (240), the liquid outlet (251) is communicated with the purified water chamber (250), a purified water communicating port (221) is formed in the first partition plate (220), and the sedimentation chamber (240) is communicated with the purified water chamber (250) through the purified water communicating port (221).

2. The waste liquid treatment coagulation device according to claim 1, characterized in that: the first liquid inlet (121) is located at the lower part of the PH adjusting cavity (120), one end of the first conveying pipeline (150) is communicated with the upper part of the PH adjusting cavity (120), the other end of the first conveying pipeline (150) is communicated with the lower part of the coagulation cavity (130), one end of the second conveying pipeline (160) is communicated with the upper part of the coagulation cavity (130), the other end of the second conveying pipeline (160) is communicated with the lower part of the flocculation cavity (140), one end of the third conveying pipeline (170) is communicated with the upper part of the flocculation cavity (140), the other end of the third conveying pipeline (170) is communicated with the sedimentation cavity (240), the position of the first dosing port (122) is higher than that of the first liquid inlet (121), the position of the second dosing port (131) is higher than that of the first conveying pipeline (150) is communicated with one end of the coagulation cavity (130), the third dosing port (141) is higher than one end of the second conveying pipeline (160) communicated with the flocculation cavity (140).

3. The waste liquid treatment coagulation device according to claim 1, characterized in that: the PH adjusting cavity (120) and the coagulation cavity (130), the coagulation cavity (130) and the flocculation cavity (140), and the flocculation cavity (140) and the sedimentation tank (210) are separated by a sealing butterfly valve (180).

4. The waste liquid treatment coagulation device according to claim 3, characterized in that: the bottom parts of the PH adjusting cavity (120), the coagulating cavity (130) and the flocculating cavity (140) are all provided with aeration components, each aeration component comprises a booster pump, an aeration pipeline (190) and an aeration nozzle, the center line of the shell (110) is taken as a reference line, the head end and the tail end of the aeration pipeline (190) are connected, the number of the aeration pipelines (190) is at least two, every two aeration pipelines (190) are arranged in a clearance mode, the plurality of aeration pipelines (190) are equidistantly offset by taking the datum line as the center, the plurality of aeration pipelines (190) are communicated with one another through communicating pipes, the plurality of aeration nozzles are upwards arranged at the tops of the aeration pipelines (190), the aeration nozzle is communicated with the aeration pipeline (190), and the booster pump is connected to the aeration pipeline (190) and provides air injection pressure for the aeration nozzle.

5. The waste liquid treatment coagulation device according to claim 1, characterized in that: casing (110) are located be equipped with PH on the inner wall in PH regulation chamber (120) and detect mouth (123), PH detects mouth (123) and is located first pipeline (150) are connected the one end in PH regulation chamber (120) with between first inlet (121).

6. The waste liquid treatment coagulation device according to claim 1, characterized in that: the inner bottom surface of the settling tank (210) is also provided with a second clapboard (230), the upper end of the second clapboard (230) extends to the top of the settling tank (210) and is connected with the settling tank, the first clapboard (220) and the second clapboard (230) divide the settling tank (210) into a clear water cavity (250), a settling cavity (240) and a sludge concentration cavity (260) in turn, one end of the third conveying pipeline (170) extends into the sedimentation cavity (240) and is close to the first partition plate (220), the bottom of the second clapboard (230) is provided with a sludge communicating port (231), the position of the sludge communicating port (231) is lower than that of the purified water communicating port (221), the wall surface of the settling tank (210) is provided with a first sludge outlet (261), the first sludge outlet (261) is communicated with the sludge concentration cavity (260), the position of the first sludge outlet (261) is lower than that of the sludge communication port (231).

7. The waste liquid treatment coagulation device according to claim 6, characterized in that: the sludge concentration cavity (260), the sedimentation cavity (240) and the bottom on the water purification cavity (250) are both provided with a liquid discharge valve (211), the bottom of the sedimentation cavity (240) is provided with a second sludge outlet, and the liquid discharge valve (211) and the second sludge outlet are both positioned on the bottom surface of the sedimentation tank (210).

8. The waste liquid treatment coagulation device according to claim 1, characterized in that: still include elevator pump (270), casing (110) inside back flush chamber (280) that still is equipped with, back flush chamber (280) are located the top in PH regulation chamber (120), the water inlet of elevator pump (270) is connected with the inlet channel, the inlet channel stretch into in water purification chamber (250) and with water purification chamber (250) are linked together, the inlet channel stretches into highly being less than of water purification chamber (250) one end the height of leakage fluid dram (251), be equipped with first governing valve on the inlet channel, outlet conduit is connected to the delivery port of elevator pump (270), outlet conduit connects back flush chamber (280).

9. The waste liquid treatment coagulation device according to claim 8, characterized in that: a diversion plate (290) is separated between the backwashing cavity (280) and the PH adjusting cavity (120), and a plurality of diversion channels (291) are arranged on the end surface of the diversion plate (290).

10. The waste liquid treatment coagulation device according to claim 8, characterized in that: the water inlet of the lift pump (270) is also connected with an external infusion tube, and a second regulating valve is arranged on the external infusion tube.

Images