CN111847612A - Addition process and equipment of coagulant for industrial wastewater - Google Patents
Addition process and equipment of coagulant for industrial wastewater Download PDFInfo
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- CN111847612A CN111847612A CN202010666731.5A CN202010666731A CN111847612A CN 111847612 A CN111847612 A CN 111847612A CN 202010666731 A CN202010666731 A CN 202010666731A CN 111847612 A CN111847612 A CN 111847612A
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- liquid medicine
- coagulant
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2115—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses an adding process and adding equipment of a coagulant for industrial wastewater, relates to the technical field of coagulant addition for industrial wastewater, and aims to solve the problems that the addition amount of an existing coagulant for industrial wastewater cannot be well mastered in the adding process, and the adding performance is not complete. Step 1, performing a test before adding, and obtaining the dissolution of the polyferric sulfate with the optimal dosage and the determination of the dosage before using according to different water quality conditions of raw water by performing a small test; step 2, sewage flocculation pretreatment; step 3, preparation before coagulant addition; and 4, adding coagulant solution.
Description
Technical Field
The invention relates to the technical field of coagulant addition for industrial wastewater, in particular to a coagulant addition process for industrial wastewater and addition equipment thereof.
Background
The application of the coagulant in sewage treatment comprises the following steps: larger coarse suspended substances in the particles can be removed by natural sedimentation, but finer suspended substances, even some harmful chemical ions, especially colloid particles, settle slowly, can be kept in a dispersed suspended state in water for a long time and cannot naturally settle, and are difficult to separate and remove from the water by the natural sedimentation method. The principle of the coagulant is to destroy the stability of the fine particles, make them contact with each other to coagulate together, form floc, and sink and separate. The coagulant is used to treat sewage and integrates nine processes of mixing, reaction, coagulation, flocculation and the like. Since the coagulant is put into water, a large amount of positive ions can be supplied in most cases. The positive ions can neutralize the negative electricity on the surfaces of the colloidal particles, so that the repulsive force between the particles is reduced, the particles are easy to approach and agglomerate into flocculent fine particles, and the process of destabilizing and agglomerating the fine colloidal particles in water into fine particles is realized. The tiny particles settle out by adsorption, rolling and bridging to form larger flocs.
However, the addition amount of the existing coagulant for industrial wastewater cannot be well mastered in the addition process, and the addition performance is not perfect; therefore, the existing requirements are not met, and a coagulant adding process and a coagulant adding device for industrial wastewater are provided for the requirements.
Disclosure of Invention
The invention aims to provide an adding process and adding equipment of a coagulant for industrial wastewater, and aims to solve the problems that the adding amount of an additive cannot be well mastered in the adding process of the conventional coagulant for industrial wastewater and the adding performance is not complete in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an adding process of a coagulant for industrial wastewater is characterized in that adding equipment comprises a liquid medicine dissolving tank, a liquid medicine storage tank, a mounting fixing frame, a thermometer, a liquid level meter, a rotating motor, a coagulant storage tank, a feeding pipeline, an electromagnetic valve, a mixed water feeding pipe, a second electromagnetic valve, a leading-out pipeline, a filter, a flowmeter, an adding pipeline, a third electromagnetic valve, a second flowmeter, a heating block, a stirring rotating main rod, an arc-shaped rotating rod, a stirring rod, a mixing mechanism, an anti-sedimentation stirring rod, a spiral stirring sheet, a mixing inner groove and a discharging filter screen;
Wherein the adding process comprises the following steps:
Preferably, the adding amount of the chemicals in the step 1 is added according to the obtained optimal adding amount, the observation and adjustment are carried out during the operation, if the alum blossom in the sedimentation tank is less and the residual turbidity is large, the adding amount is too less, if the alum blossom in the sedimentation tank is large and turns upwards and the residual turbidity is high, the adding amount is too large, the appropriate adjustment is carried out, the temperature for mixing and heating in the step 3 is set to be 50-80 DEG C
The utility model provides an add equipment of coagulant for industrial waste water, includes liquid medicine dissolving tank and liquid medicine holding vessel, the installation mount is all installed in the outside of liquid medicine dissolving tank and liquid medicine holding vessel, thermometer and level gauge are all installed to the both sides of liquid medicine dissolving tank and liquid medicine holding vessel front end, the intermediate position department of liquid medicine dissolving tank and liquid medicine holding vessel top installs the rotation motor, the coagulant bin is installed to one side of liquid medicine dissolving tank top, the mixed water inlet pipe is installed to the opposite side of liquid medicine dissolving tank top, the intermediate position department of liquid medicine dissolving tank below installs the derivation pipeline, the intermediate position department of liquid medicine holding vessel below installs and adds the pipeline, the externally mounted that adds the pipeline has the third solenoid valve, the second flowmeter is installed to the below of third solenoid valve.
Preferably, the liquid medicine dissolving tank and the liquid medicine holding vessel are connected with the installation fixing frame through clamping grooves, and the thermometer and the liquid level meter are connected with the liquid medicine dissolving tank and the liquid medicine holding vessel through bolts.
Preferably, intermediate position department of coagulant bin below installs the charge-in pipeline, the externally mounted of charge-in pipeline has the solenoid valve, the externally mounted of mixed water inlet pipe has the second solenoid valve, and the one end of charge-in pipeline and mixed water inlet pipe all extends to the inside of liquid medicine dissolving tank.
Preferably, a fixed connection block is installed at the joint of the lead-out pipeline and the liquid medicine dissolving tank, a filter and a flowmeter are respectively installed outside the lead-out pipeline, and the filter is located on one side of the flowmeter.
Preferably, the feed line is installed with the one end of mixing water inlet pipe and is constructed, the inside of mixing mechanism is provided with mixed inside groove, the unloading filter screen is installed to the lower extreme of mixed inside groove, and the unloading filter screen passes through the draw-in groove with mixing mechanism and is connected.
Preferably, the stirring rotation mobile jib is installed to the inside intermediate position department of liquid medicine dissolving tank, and liquid medicine dissolving tank top rotates the output shaft and the stirring rotation mobile jib transmission of motor and is connected, the arc dwang is all installed to the both sides of stirring rotation mobile jib lower extreme, the puddler is installed to the top of arc dwang, and the puddler is provided with a plurality of, and a plurality of puddler distributes in proper order, arc dwang and puddler pass through the screw connection with the stirring rotation mobile jib, the heating piece is all installed to the both sides of liquid medicine dissolving tank inner wall.
Preferably, the intermediate position department of liquid medicine holding vessel inside installs prevents deposiing the puddler, and liquid medicine holding vessel top rotates the output shaft of motor and prevents deposiing the puddler transmission and be connected, prevent deposiing the lower extreme of puddler and install the spiral stirring vane, and spiral stirring vane and prevent deposiing puddler fixed connection.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the experiment of the coagulant is carried out before the addition according to the condition of the wastewater, so that the accurate performance of later-stage dosage proportioning addition can be better ensured, the effect of the coagulant can be optimally exerted, the integral structure is simpler, the later-stage service performance is more perfect by carrying out mixing treatment before the addition, and the problems that the addition dosage cannot be well mastered in the addition process of the conventional coagulant for industrial wastewater and the addition performance is not perfect are solved;
2. according to the invention, the sewage is heated before being added, so that cell substances in the sludge are destroyed and decomposed, internal water in cell membranes is dissociated, and the aqueous organic colloidal substances are decomposed, thereby improving the sludge dewatering performance, the treatment performance of industrial wastewater is more stable and complete, the coagulant can play the greatest role, and the practicability is higher.
Drawings
FIG. 1 is a front view of an apparatus for adding a coagulant for industrial wastewater according to the present invention;
FIG. 2 is a sectional view of the liquid medicine dissolving tank of the present invention;
FIG. 3 is a sectional view of the chemical liquid storage tank of the present invention;
FIG. 4 is an enlarged view of a portion of the area A according to the present invention.
In the figure: 1. a liquid medicine dissolving tank; 2. a liquid medicine storage tank; 3. mounting a fixed frame; 4. a thermometer; 5. a liquid level meter; 6. rotating the motor; 7. a coagulant storage tank; 8. a feed conduit; 9. an electromagnetic valve; 10. a mixed water feeding pipe; 11. a second solenoid valve; 12. leading out the pipeline; 13. fixing a connecting block; 14. a filter; 15. a flow meter; 16. an addition pipe; 17. a third electromagnetic valve; 18. a second flow meter; 19. a heating block; 20. stirring and rotating the main rod; 21. an arc-shaped rotating rod; 22. a stirring rod; 23. a mixing mechanism; 24. an anti-settling stirring rod; 25. a spiral stirring sheet; 26. an inner mixing tank; 27. and (5) blanking a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, an embodiment of the present invention is shown: an adding process of a coagulant for industrial wastewater is characterized in that adding equipment comprises a liquid medicine dissolving tank 1, a liquid medicine storage tank 2, a mounting fixing frame 3, a thermometer 4, a liquid level meter 5, a rotating motor 6, a coagulant storage tank 7, a feeding pipeline 8, an electromagnetic valve 9, a mixed water feeding pipe 10, a second electromagnetic valve 11, a leading pipeline 12, a leading pipeline 13, a filter 14, a flowmeter 15, an adding pipeline 16, a third electromagnetic valve 17, a second flowmeter 18, a heating block 19, a stirring rotating main rod 20, an arc-shaped rotating rod 21, a stirring rod 22, a mixing mechanism 23, an anti-precipitation stirring rod 24, a spiral stirring sheet 25, a mixing inner groove 26 and a blanking filter screen 27;
wherein the adding process comprises the following steps:
step 1, performing a test before adding, and determining the dissolution of the polyferric sulfate with the optimal dosage and the dosage of the polyferric sulfate before using according to different water quality conditions of raw water by a small test (reference dosage range; 20-800 ppm); for ease of calculation, the experimental bench solutions are prepared in a weight to volume (W/V) ratio, typically 2-5% as well, e.g. 3% solution: weighing PAC3g, placing into a cleaned 200ml measuring cylinder, adding about 50ml of clear water, adding water to dilute to 100ml of scale after dissolving, and shaking up; when in use, the liquid product is prepared into water solution with the concentration of 5-10%, and the solid product is prepared into water solution with the concentration of 3-5% (calculated according to the weight of the commodity); when in use, the components are mixed according to the proportion of solid, clear water 1: mixing and dissolving about 5(W/V), and then adding water to dilute to the above concentration; the solution with the concentration lower than 1 percent is easy to hydrolyze, the use effect can be reduced, the waste is easy to cause due to too high concentration, and the dosage is not easy to control;
step 3, preparation before adding a coagulant, coagulant treatment is carried out through adding equipment, coagulant powder is added into a coagulant storage tank 7, a mixed water pipeline is hermetically connected with a mixed water feeding pipe 10, mixing performance can be guaranteed after connection is finished, the dosage of the coagulant and the mixed water can be controlled through an electromagnetic valve 9 and a second electromagnetic valve 11, the coagulant and the mixed water enter the liquid medicine dissolving tank 1 through a feeding pipeline 8 and the mixed water feeding pipe 10, the coagulant and the mixed water enter the mixing mechanism 23, primary mixing is carried out inside a mixing inner groove 26, the coagulant and the mixed water enter the liquid medicine dissolving tank 1 through a discharging filter screen 27, a rotating motor 6 is started, an output shaft of the rotating motor 6 drives a stirring rotating main rod 20 to rotate, meanwhile, an arc-shaped rotating rod 21 and a stirring rod 22 simultaneously rotate to guarantee mixing performance, certain heating can be carried out in the mixing process through a heating block 19, the solution subjected to preliminary mixing and heating can be better guided into the liquid medicine storage tank 2 through the guide-out pipeline 12, the filter 14 and the flowmeter 15 can better know the flow and filter internal impurities, the deposition at the bottom can be effectively avoided easily through the rotation of the anti-deposition stirring rod 24 and the spiral stirring sheet 25, the later-stage addition performance is better guaranteed, the liquid levels and the temperatures in the liquid medicine dissolving tank 1 and the liquid medicine storage tank 2 can be better known through the thermometer 4 and the liquid level meter 5, and the addition dosage can be better controlled through the third electromagnetic valve 17 and the second flowmeter 18;
Further, the adding of the medicine in the step 1 is carried out according to the obtained optimal adding amount, observation and adjustment are carried out during operation, if the alum blossom in the sedimentation tank is less and the remaining turbidity is large, the adding amount is too less, if the precipitation alum blossom is large and turns upwards and the remaining turbidity is high, the adding amount is too large, the proper adjustment is carried out, and the temperature for mixing and heating in the step 3 is set to be 50-80 ℃.
An adding device of coagulant for industrial wastewater comprises a liquid medicine dissolving tank 1 and a liquid medicine storage tank 2, wherein the outer sides of the liquid medicine dissolving tank 1 and the liquid medicine storage tank 2 are respectively provided with an installation fixing frame 3, the two sides of the front ends of the liquid medicine dissolving tank 1 and the liquid medicine storage tank 2 are respectively provided with a thermometer 4 and a liquid level meter 5, a rotating motor 6 is arranged at the middle position above the liquid medicine dissolving tank 1 and the liquid medicine storage tank 2, one side above the liquid medicine dissolving tank 1 is provided with a coagulant storage tank 7, the other side above the liquid medicine dissolving tank 1 is provided with a mixed water feeding pipe 10, a leading-out pipeline 12 is arranged at the middle position below the liquid medicine dissolving tank 1, an adding pipeline 16 is arranged at the middle position below the liquid medicine storage tank 2, a third electromagnetic valve 17 is arranged outside the adding pipeline 16, a second flow meter 18 is arranged below the third electromagnetic valve 17, the working performance is better guaranteed.
Further, liquid medicine dissolving tank 1 and liquid medicine holding vessel 2 all are connected through the draw-in groove with installation mount 3, and thermometer 4 and level gauge 5 all pass through bolted connection with liquid medicine dissolving tank 1 and liquid medicine holding vessel 2, and it is more convenient to install and dismantle.
Further, feed conduit 8 is installed to intermediate position department of coagulant bin 7 below, and the externally mounted of feed conduit 8 has solenoid valve 9, and the externally mounted of mixed water inlet pipe 10 has second solenoid valve 11, and the one end of feed conduit 8 and mixed water inlet pipe 10 all extends to the inside of liquid medicine dissolving tank 1, the water conservancy diversion performance in guarantee later stage that can be better, and structural performance is more perfect.
Further, the fixed connection block 13 is installed with the junction of liquid medicine dissolving tank 1 to derive pipeline 12, and filter 14 and flowmeter 15 are installed respectively to the outside of deriving pipeline 12, and filter 14 is located one side of flowmeter 15, guarantee water conservancy diversion performance that can be better.
Further, the mixing mechanism 23 is installed to the one end of charge-in pipeline 8 and mixed water inlet pipe 10, and the inside of mixing mechanism 23 is provided with mixed inside groove 26, and unloading filter screen 27 is installed to the lower extreme of mixed inside groove 26, and unloading filter screen 27 passes through the draw-in groove with mixing mechanism 23 and is connected, the flexibility ability of guarantee loading and unloading that can be better.
Further, stirring rotation mobile jib 20 is installed to 1 inside intermediate position department of liquid medicine dissolving tank, and 1 top of liquid medicine dissolving tank rotates the output shaft of motor 6 and is connected with the transmission of stirring rotation mobile jib 20, arc dwang 21 is all installed to the both sides of stirring rotation mobile jib 20 lower extreme, puddler 22 is installed to the top of arc dwang 21, puddler 22 is provided with a plurality of, and a plurality of puddler 22 distributes in proper order, arc dwang 21 and puddler 22 pass through the screw connection with stirring rotation mobile jib 20, heating piece 19 is all installed to the both sides of 1 inner wall of liquid medicine dissolving tank, the stability ability of guarantee heating that can be better.
Further, 2 inside intermediate position departments of liquid medicine holding vessel install and prevent deposiing puddler 24, and 2 tops of liquid medicine holding vessel rotate the output shaft of motor 6 and prevent deposiing the puddler 24 transmission and be connected, prevent deposiing the lower extreme of puddler 24 and install spiral stirring piece 25, and spiral stirring piece 25 with prevent deposiing puddler 24 fixed connection, the connection performance is more stable perfect, holistic practicality has obtained better promotion.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. An adding process of coagulant for industrial wastewater, which is characterized in that, the adding equipment comprises a liquid medicine dissolving tank (1), a liquid medicine storage tank (2), an installation fixing frame (3), a thermometer (4), a liquid level meter (5), a rotating motor (6), a coagulant storage tank (7), a feeding pipeline (8), an electromagnetic valve (9), a mixed water feeding pipe (10), a second electromagnetic valve (11), a derivation pipeline (12), a derivation pipeline (13), a filter (14), a flow meter (15), an adding pipeline (16), a third electromagnetic valve (17), a second flow meter (18), a heating block (19), a stirring rotating main rod (20), an arc-shaped rotating rod (21), a stirring rod (22), a mixing mechanism (23), an anti-precipitation stirring rod (24), a spiral stirring sheet (25), a mixing inner groove (26) and a blanking filter screen (27);
wherein the adding process comprises the following steps:
step 1, performing a test before adding, and determining the dissolution of the polyferric sulfate with the optimal dosage and the dosage of the polyferric sulfate before using according to different water quality conditions of raw water by a small test (reference dosage range; 20-800 ppm); for ease of calculation, the experimental bench solutions are prepared in a weight to volume (W/V) ratio, typically 2-5% as well, e.g. 3% solution: weighing PAC3g, placing into a cleaned 200ml measuring cylinder, adding about 50ml of clear water, adding water to dilute to 100ml of scale after dissolving, and shaking up; when in use, the liquid product is prepared into water solution with the concentration of 5-10%, and the solid product is prepared into water solution with the concentration of 3-5% (calculated according to the weight of the commodity); when in use, the components are mixed according to the proportion of solid, clear water 1: mixing and dissolving about 5(W/V), and then adding water to dilute to the above concentration; the solution with the concentration lower than 1 percent is easy to hydrolyze, the use effect can be reduced, the waste is easy to cause due to too high concentration, and the dosage is not easy to control;
Step 2, sewage flocculation pretreatment, wherein before adding a coagulant, sludge is heated to destroy and decompose cell substances in the sludge, water in cell membranes is dissociated, and water-based organic colloidal substances are decomposed, so that the sludge dehydration performance is improved, and the process can be divided into a high-temperature pressurization conditioning method and a low-temperature pressurization conditioning method according to different heating temperatures, wherein the high-temperature pressurization conditioning method is to heat the sludge to 170-200 ℃, the pressurization pressure is 1.0-1.5MPa, the reaction time is 40-120min, and the water content of the conditioned sludge can be reduced by 80-87%;
step 3, preparing before adding a coagulant, performing coagulant treatment through adding equipment, adding coagulant powder into the inside of a coagulant storage tank (7), hermetically connecting a mixed water pipeline with a mixed water feeding pipe (10), ensuring the mixing performance after connection, controlling the dosage of the coagulant and the mixed water through an electromagnetic valve (9) and a second electromagnetic valve (11), enabling the coagulant and the mixed water to enter the liquid medicine dissolving tank (1) through a feeding pipe (8) and the mixed water feeding pipe (10), enabling the coagulant and the mixed water to enter the mixing mechanism (23), performing primary mixing in the mixing inner tank (26), enabling the coagulant and the mixed water to enter the liquid medicine dissolving tank (1) through a discharging filter screen (27), starting a rotating motor (6), enabling an output shaft of the rotating motor (6) to drive a stirring rotating main rod (20) to rotate, and enabling the arc-shaped rotating rod (21) and a stirring rod (22) to simultaneously rotate to ensure the mixing performance, can carry out certain heating in the mixing process through heating block (19), the solution of preliminary mixing heating can be better through leading out inside that pipeline (12) can be better led into liquid medicine holding vessel (2), filter (14) and flowmeter (15) can be better know the flow and filter inside impurity, through preventing the rotation of deposiing puddler (24) and spiral stirring piece (25), can effectively avoid depositing easily in the bottom, the interpolation performance in later stage has obtained better guarantee, can know liquid medicine dissolving tank (1) and liquid medicine holding vessel (2) inside liquid level and temperature better through thermometer (4) and level gauge (5), the dosage that the control that third solenoid valve (17) and second flowmeter (18) added can be better;
Step 4, the addition of coagulant solution can extend to inside the sewage treatment device with the one end that adds pipeline (16), can set up the shower nozzle in the one end that adds pipeline (16), and the coagulant that is evenly sprayed inside sewage, and the mixing that can be more abundant adds, and the industrial waste water reactivity in later stage has obtained better promotion.
2. The addition process of a coagulant for industrial wastewater according to claim 1, characterized in that: adding the medicine according to the obtained optimal adding amount in the step 1, observing and adjusting in operation, wherein if the alum floc in a sedimentation tank is less and the residual turbidity is large, the adding amount is too less, if the sediment alum floc is large and turns upwards and the residual turbidity is high, the adding amount is too large, the proper adjustment is needed, and the mixing and heating temperature in the step 3 is set to be 50-80 ℃.
3. An addition apparatus for a coagulant for industrial wastewater, which is used in the addition process for a coagulant for industrial wastewater according to claim 1, characterized in that: including liquid medicine dissolving tank (1) and liquid medicine holding vessel (2), installation mount (3) are all installed in the outside of liquid medicine dissolving tank (1) and liquid medicine holding vessel (2), thermometer (4) and level gauge (5) are all installed to the both sides of liquid medicine dissolving tank (1) and liquid medicine holding vessel (2) front end, intermediate position department of liquid medicine dissolving tank (1) and liquid medicine holding vessel (2) top installs rotation motor (6), coagulant bin (7) are installed to one side of liquid medicine dissolving tank (1) top, mixed water inlet pipe (10) are installed to the opposite side of liquid medicine dissolving tank (1) top, intermediate position department of liquid medicine dissolving tank (1) below installs derivation pipeline (12), intermediate position department of liquid medicine holding vessel (2) below installs and adds pipeline (16), the externally mounted that adds pipeline (16) has third solenoid valve (17), and a second flowmeter (18) is arranged below the third electromagnetic valve (17).
4. The apparatus for adding a coagulant for industrial wastewater according to claim 3, characterized in that: liquid medicine dissolving tank (1) and liquid medicine holding vessel (2) all are connected through the draw-in groove with installation mount (3), thermometer (4) and level gauge (5) all pass through bolted connection with liquid medicine dissolving tank (1) and liquid medicine holding vessel (2).
5. The apparatus for adding a coagulant for industrial wastewater according to claim 3, characterized in that: intermediate position department of coagulant bin (7) below installs charge-in pipeline (8), the externally mounted of charge-in pipeline (8) has solenoid valve (9), the externally mounted of mixed water inlet pipe (10) has second solenoid valve (11), and the one end of charge-in pipeline (8) and mixed water inlet pipe (10) all extends to the inside of liquid medicine dissolving tank (1).
6. The apparatus for adding a coagulant for industrial wastewater according to claim 3, characterized in that: the utility model discloses a medical liquid dissolving tank, including derivation pipeline (12), fixed connection piece (13) are installed to the junction of derivation pipeline (12) and liquid medicine dissolving tank (1), filter (14) and flowmeter (15) are installed respectively to the outside of derivation pipeline (12), and filter (14) are located one side of flowmeter (15).
7. The apparatus for adding a coagulant for industrial wastewater according to claim 5, characterized in that: mixing body (23) are installed to the one end of charge-in pipeline (8) and mixed water inlet pipe (10), the inside of mixing body (23) is provided with mixed inside groove (26), unloading filter screen (27) are installed to the lower extreme of mixed inside groove (26), and unloading filter screen (27) pass through the draw-in groove with mixing body (23) and are connected.
8. The apparatus for adding a coagulant for industrial wastewater according to claim 3, characterized in that: liquid medicine dissolving tank (1) inside intermediate position department installs stirring rotation mobile jib (20), and liquid medicine dissolving tank (1) top rotates the output shaft of motor (6) and stirring rotation mobile jib (20) transmission and is connected, arc dwang (21) are all installed to the both sides of stirring rotation mobile jib (20) lower extreme, puddler (22) are installed to the top of arc dwang (21), and puddler (22) are provided with a plurality of, and a plurality of puddler (22) distribute in proper order, arc dwang (21) and puddler (22) rotate mobile jib (20) with the stirring and pass through the screw connection, heating piece (19) are all installed to the both sides of liquid medicine dissolving tank (1) inner wall.
9. The apparatus for adding a coagulant for industrial wastewater according to claim 3, characterized in that: the utility model discloses a liquid medicine storage tank, including liquid medicine holding vessel (2), liquid medicine holding vessel (2) inside intermediate position department installs prevents deposiing puddler (24), and liquid medicine holding vessel (2) top rotates the output shaft of motor (6) and prevents deposiing puddler (24) transmission and be connected, prevent deposiing the lower extreme of puddler (24) and install spiral stirring piece (25), and spiral stirring piece (25) with prevent deposiing puddler (24) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666731.5A CN111847612A (en) | 2020-07-13 | 2020-07-13 | Addition process and equipment of coagulant for industrial wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666731.5A CN111847612A (en) | 2020-07-13 | 2020-07-13 | Addition process and equipment of coagulant for industrial wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111847612A true CN111847612A (en) | 2020-10-30 |
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| CN202010666731.5A Pending CN111847612A (en) | 2020-07-13 | 2020-07-13 | Addition process and equipment of coagulant for industrial wastewater |
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| CN113200589A (en) * | 2021-03-26 | 2021-08-03 | 林宗乙 | Layered cellulose acetate wastewater flocculation equipment and flocculation method thereof |
| CN114230069A (en) * | 2021-11-12 | 2022-03-25 | 貌司华 | Equipment for treating industrial wastewater containing ammonium sulfate |
| CN116714106A (en) * | 2023-07-10 | 2023-09-08 | 明光市国星凹土有限公司 | Intelligent drive speed regulation type automatic attapulgite homogenization treatment equipment |
| CN117069323A (en) * | 2023-09-19 | 2023-11-17 | 南通名涂环境工程有限公司 | Conveying device for industrial sewage treatment |
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| CN113200589A (en) * | 2021-03-26 | 2021-08-03 | 林宗乙 | Layered cellulose acetate wastewater flocculation equipment and flocculation method thereof |
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| CN117069323B (en) * | 2023-09-19 | 2024-05-10 | 南通名涂环境工程有限公司 | Conveying device for industrial sewage treatment |
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