CN216630375U - Lime milk on-line blending system - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a lime cream online blending system, which inputs clean water through a water inlet pipeline, the clean water flows through a lime blender in the pipeline, the lime blender mixes lime powder and the clean water, the mixed liquid enters a pipeline mixer, the mixed liquid is further fully mixed in the pipeline mixer, then the mixed liquid enters a liquid storage tank for storage, the concentration of the mixed liquid is detected, the mixed liquid in the liquid storage tank is discharged through a discharging device after the concentration of the mixed liquid reaches the standard, the mixed liquid in the liquid storage tank is discharged into the lime blender through the discharging device when the concentration of the mixed liquid does not reach the standard, the mixed liquid is mixed with more lime powder, and the water inlet pipeline stops feeding water simultaneously, thereby reducing the labor intensity of workers, reducing the waste of labor cost, improving the practicability of equipment and the stability of sewage treatment, and reduce the pollution of dust to the surrounding environment; comprises a mixing device and a discharging device.

Description

Lime milk on-line blending system

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an online lime milk mixing system.

Background

In the industrial acid water treatment, lime is the most commonly used neutralizing agent, and has the advantages of low cost, benefiting for flocculation and precipitation of sludge, simple and convenient use and the like in the using process.

The lime emulsion preparation device is used for preparing lime emulsion with a certain concentration by dissolving hydrated lime. The prepared lime emulsion can be used for adjusting the pH value of water, has coagulation aiding effect on colloidal particles in wastewater, reduces the water hardness, performs industrial acid-containing wastewater treatment and zinc-containing wastewater treatment, removes colloidal silica in water, and improves the desalting and flue gas desulfurization capabilities.

Common mixing modes generally require specific personnel to mix on site, the mixing environment is severe, labor cost waste is generated, and the concentration fluctuation of the mixed lime emulsion is large, so that the water quality of sewage treatment is unstable.

Other methods, including the use of baseball plasters, crossed lime nitrifiers, cyclone nitrifiers, etc., all involve high equipment costs, large floor space, complex operation and maintenance, and dust causes pollution to the surrounding environment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a method for inputting clean water through a water inlet pipeline, the clean water flows through a lime mixer in the pipeline, the lime mixer mixes lime powder and the clean water, the mixed liquid enters a pipeline mixer, the mixed liquid is further fully mixed in the pipeline mixer, then the mixed liquid enters a liquid storage tank for storage, the concentration of the mixed liquid is detected, after the concentration of the mixed liquid reaches the standard, the mixed liquid in the liquid storage tank is discharged through the discharging device, and when the concentration of the mixed liquid does not reach the standard, the mixed liquid in the liquid storage tank is discharged into the lime mixer through the discharging device, so that the mixed liquid is mixed with more lime powder, meanwhile, the water inlet pipeline stops water inlet, therefore, the labor amount of workers is reduced, the waste of labor cost is reduced, the practicability of equipment and the stability of sewage treatment are improved, and the pollution of dust to the surrounding environment is reduced.

The utility model discloses an online lime milk mixing system which comprises a mixing device and a discharging device, wherein the discharging device is arranged at the right end of the mixing device;

the mixing device comprises a water inlet pipeline, a check valve, a lime storage tank, a lime mixer, a pipeline mixer and a liquid storage tank, wherein the left end of the check valve is installed at the right end of the water inlet pipeline, the right end of the check valve is installed at the left end of the lime mixer, the top end of the lime mixer is installed at the bottom end of the lime storage tank, the right end of the lime mixer is installed at the left end of the pipeline mixer, and the right end of the pipeline mixer is communicated with the inside of the liquid storage tank;

clear water is input through a water inlet pipeline, clear water flows through a lime mixer in the pipeline, the lime mixer utilizes the Venturi principle to realize automatic suction of lime powder in a lime storage tank by water flow, the lime powder is mixed with the clear water, the mixed liquid enters a pipeline mixer and is further fully mixed in the pipeline mixer, then the mixed liquid enters the liquid storage tank to be stored, the concentration of the mixed liquid is detected, the mixed liquid in the liquid storage tank is discharged through a discharging device after the concentration of the mixed liquid reaches the standard, the mixed liquid in the liquid storage tank is discharged into the lime mixer through the discharging device when the concentration of the mixed liquid is not reached, the mixed liquid is mixed with more lime powder, meanwhile, the water inlet pipeline stops feeding water, the labor amount of workers is reduced, the waste of labor cost is reduced, the practicability of equipment and the stability of sewage treatment are improved, and reduces the pollution of dust to the surrounding environment.

Preferably, the discharge device comprises a circulation pipeline, a centrifugal pump, a first electric control butterfly valve, a second electric control butterfly valve and a liquid outlet pipeline, the centrifugal pump is arranged at the right end of the liquid storage tank, a water inlet of the centrifugal pump is communicated with the inside of the liquid storage tank, a water outlet of the centrifugal pump is connected with the circulation pipeline and the liquid outlet pipeline, one end of the circulation pipeline is communicated with the inside of the lime blender, the first electric control butterfly valve is arranged on the circulation pipeline, and the second electric control butterfly valve is arranged on the liquid outlet pipeline; when the mixed liquid concentration in the liquid reserve tank does not reach standard, close the automatically controlled butterfly valve of second and open first automatically controlled butterfly valve again, the mixed liquid of centrifugal pump in with the liquid reserve tank simultaneously is discharged to circulation pipeline's inside, make circulation pipeline return the mixed liquid and discharge to the inside of lime blender, mix with more lime powder, when the mixed liquid concentration in the liquid reserve tank reaches standard, close the automatically controlled butterfly valve of first automatically controlled butterfly valve and open the automatically controlled butterfly valve of second again, the mixed liquid of centrifugal pump in with the liquid reserve tank simultaneously is discharged to the drain pipe in, make the drain pipe discharge mixed liquid, thereby improve equipment's practicality.

Preferably, the system also comprises an electromagnetic flowmeter, wherein the electromagnetic flowmeter is arranged between the water inlet pipeline and the check valve; the flow of water input by the water inlet pipeline is monitored through the electromagnetic flow meter, so that the practicability of the device is improved.

Preferably, a metering scale is arranged at the bottom of the lime storage tank; make things convenient for the staff to observe the quantity of lime powder to improve equipment's convenience.

Preferably, the pipeline mixer consists of a plurality of groups of loop-back pipelines; after the mixed liquid enters a plurality of groups of return ring pipelines on the pipeline mixer, the mixed liquid is further fully mixed by using the turbulence effect of the liquid flow in the return ring pipelines, thereby improving the practicability of the equipment.

Compared with the prior art, the utility model has the beneficial effects that: clear water is input through a water inlet pipeline, clear water flows through a lime mixer in the pipeline, the lime mixer utilizes the Venturi principle to realize automatic suction of lime powder in a lime storage tank by water flow, the lime powder is mixed with the clear water, the mixed liquid enters a pipeline mixer and is further fully mixed in the pipeline mixer, then the mixed liquid enters the liquid storage tank to be stored, the concentration of the mixed liquid is detected, the mixed liquid in the liquid storage tank is discharged through a discharging device after the concentration of the mixed liquid reaches the standard, the mixed liquid in the liquid storage tank is discharged into the lime mixer through the discharging device when the concentration of the mixed liquid is not reached, the mixed liquid is mixed with more lime powder, meanwhile, the water inlet pipeline stops feeding water, the labor amount of workers is reduced, the waste of labor cost is reduced, the practicability of equipment and the stability of sewage treatment are improved, and reduces the pollution of dust to the surrounding environment.

Drawings

FIG. 1 is a schematic diagram of an axial structure of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

in the drawings, the reference numbers: 1. a water inlet pipeline; 2. an electromagnetic flow meter; 3. a check valve; 4. a lime storage tank; 5. a lime mixer; 6. a circulation line; 7. a line mixer; 8. a liquid storage tank; 9. a centrifugal pump; 10. a first electrically controlled butterfly valve; 11. a second electrically controlled butterfly valve; 12. and a liquid outlet pipeline.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1 and 2, the discharging device is installed at the right end of the mixing device, clear water and lime are mixed by the mixing device, and the mixed sewage is circulated or discharged by discharging;

the left end of the check valve 3 is installed at the right end of the water inlet pipeline 1, the electromagnetic flow meter 2 is installed between the water inlet pipeline 1 and the check valve 3, the right end of the check valve 3 is installed at the left end of the lime mixer 5, the top end of the lime mixer 5 is installed at the bottom end of the lime storage tank 4, a metering scale is arranged at the bottom inside the lime storage tank 4, the right end of the lime mixer 5 is installed at the left end of the pipeline mixer 7, the right end of the pipeline mixer 7 is communicated with the inside of the liquid storage tank 8, and the pipeline mixer 7 is composed of a plurality of groups of loop-back pipelines;

the centrifugal pump 9 is arranged at the right end of the liquid storage tank 8, a water inlet of the centrifugal pump 9 is communicated with the inside of the liquid storage tank 8, a water outlet of the centrifugal pump 9 is connected with a circulating pipeline 6 and a liquid outlet pipeline 12, one end of the circulating pipeline 6 is communicated with the inside of the lime mixer 5, the circulating pipeline 6 is provided with a first electric control butterfly valve 10, and the liquid outlet pipeline 12 is provided with a second electric control butterfly valve 11;

clear water is input through a water inlet pipeline 1, the flow of the water input through the water inlet pipeline 1 is monitored through an electromagnetic flow meter 2, then the clear water flows through a lime mixer 5 in the pipeline, the lime mixer 5 utilizes the Venturi principle to realize the automatic suction of lime powder in a lime storage tank 4 by water flow, the lime powder is mixed with the clear water, the mixed liquid enters a plurality of groups of loop pipelines on a pipeline mixer 7, the mixed liquid is further fully mixed by utilizing the turbulence effect of the liquid flow in the loop pipelines, then the mixed liquid enters the liquid storage tank 8 to be stored, the concentration of the mixed liquid is detected, when the concentration of the mixed liquid in the liquid storage tank 8 is not up to standard, a second electric control butterfly valve 11 is closed, a first electric control butterfly valve 10 is opened, meanwhile, a centrifugal pump 9 discharges the mixed liquid in the liquid storage tank 8 into the circulating pipeline 6, and the circulating pipeline 6 discharges the mixed liquid back to the lime mixer 5, mix with more lime powder, and make water intake pipe 1 stop intaking, mixed liquid concentration in liquid reserve tank 8 reaches standard, close first automatically controlled butterfly valve 10 and open second automatically controlled butterfly valve 11 again, centrifugal pump 9 is discharged the mixed liquid in the liquid reserve tank 8 to liquid outlet pipe 12 in simultaneously, make liquid outlet pipe 12 discharge mixed liquid, thereby reduce staff's the amount of labour, reduce the waste of human cost, improve equipment's practicality and sewage treatment's stability, and reduce the pollution of dust to the surrounding environment.

The main functions realized by the utility model are as follows: the system integrates the degree height, it is efficient to thoughtlessly join in marriage, the mixing concentration is even, utilize the automatic lime powder that pumps of suction force that rivers produced, do not need extra power pack to carry out the transport of lime powder, utilize pipeline mixer online mixing, do not need extra power pack to stir, the switching is realized through automatically controlled butterfly valve to circulation pipeline and play liquid pipeline, use manpower sparingly and reduce the maloperation risk, and circulation pipeline can realize that mixed liquid continues to pump lime powder in order to reach the lime breast concentration that needs, the lime breast concentration that online mixing goes out is even, and the concentration is gauged and controllable, the equipment that online mixing system was equipped with is simple easy-to-use easy maintenance equipment, low cost.

According to the lime milk online mixing system, the installation mode, the connection mode or the arrangement mode are all common mechanical modes, and the lime milk online mixing system can be implemented as long as the beneficial effects of the lime milk online mixing system can be achieved.

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 invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (5)

1. An on-line lime milk blending system is characterized by comprising a mixing device and a discharging device, wherein the discharging device is arranged at the right end of the mixing device;

mixing arrangement includes water intake pipe (1), check valve (3), lime holding vessel (4), lime mixes orchestration (5), pipeline mixer (7) and liquid reserve tank (8), the right-hand member in water intake pipe (1) is installed to the left end of check valve (3), the left end in lime mixes orchestration (5) is installed to the right-hand member of check valve (3), the bottom in lime holding vessel (4) is installed on the top of lime mixes orchestration (5), the left end in pipeline mixer (7) is installed to the right-hand member of lime mixes orchestration (5), the right-hand member of pipeline mixer (7) communicates with each other with the inside of liquid reserve tank (8).

2. The on-line lime milk mixing system according to claim 1, wherein the discharging device comprises a circulation pipeline (6), a centrifugal pump (9), a first electric control butterfly valve (10), a second electric control butterfly valve (11) and a liquid outlet pipeline (12), the centrifugal pump (9) is installed at the right end of the liquid storage tank (8), a water inlet of the centrifugal pump (9) is communicated with the inside of the liquid storage tank (8), a water outlet of the centrifugal pump (9) is connected with the circulation pipeline (6) and the liquid outlet pipeline (12), one end of the circulation pipeline (6) is communicated with the inside of the lime mixing device (5), the circulation pipeline (6) is provided with the first electric control butterfly valve (10), and the liquid outlet pipeline (12) is provided with the second electric control butterfly valve (11).

3. The lime milk online mixing system according to claim 1, further comprising an electromagnetic flow meter (2), wherein the electromagnetic flow meter (2) is installed between the water inlet pipeline (1) and the check valve (3).

4. The lime milk on-line mixing system according to claim 1, wherein a metering scale is arranged at the bottom inside the lime storage tank (4).

5. A lime milk on-line compounding system according to claim 1, wherein the line mixer (7) is composed of multiple sets of loop-back lines.

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