CN211770952U - Quicklime digestion reaction system - Google Patents

Abstract

The utility model discloses a quicklime digestion reaction system, which comprises a dissolving medicine box; a discharge port of the quicklime powder bin is arranged above a feed port of the screw feeder, a discharge port of the screw feeder is arranged above a feed port of the dissolving medicine box, and the bottom of the dissolving medicine box and the top of the adding medicine box are communicated through a diversion trench; the top of the medicine dissolving box is communicated with a water supplementing pipe, a water supplementing electric valve is arranged on the water supplementing pipe, and a radar liquid level meter is arranged in the medicine adding box. The advantages are that: the utility model discloses a liquid level condition in the radar level gauge real-time supervision dosing tank to data with the monitoring are fed back to DCS in real time, contrast with the setting value, open and stop and the switching of moisturizing motorised valve with this through DCS control screw feeder, and then realize automatic blending's purpose, guarantee that the lime milk of producing is more even, reduce staff's intensity of labour, improve waste water treatment efficiency, and simultaneously, avoid manual operation error phenomenon's emergence, guarantee production efficiency.

Description

Quicklime digestion reaction system

The technical field is as follows:

the utility model relates to a lime breast configuration system technical field, in particular to quick lime digestion reaction system.

Background art:

in the industrial production process, lime milk is required to be added into the produced wastewater to promote coagulation and sedimentation and remove water hardness and mechanical impurities; the lime milk is prepared by slaking quicklime, i.e. the quicklime is mixed with water to generate slaking reaction, thereby generating the lime milk, and then the prepared lime milk is added into a wastewater collection device for neutralization treatment.

Because the production field waste water treatment capacity is large, the consumption of the corresponding lime milk is very large, the existing quicklime digestion reaction system for preparing the lime milk is manually configured, the automation degree is low, manual operation is needed for feeding and adding water, the manual labor intensity is large, the yield of the prepared lime milk cannot meet the requirement of field waste water treatment easily, manual operation is easy to make mistakes, the feeding amount is difficult to accurately grasp, the lime milk overflow phenomenon often occurs, and the production efficiency is influenced.

The utility model has the following contents:

an object of the utility model is to provide a reduce intensity of labour and improve waste water treatment efficiency's quick lime digestion reaction system.

The utility model discloses by following technical scheme implement: the quicklime digestion reaction system comprises a quicklime powder bin, a screw feeder, a dissolving medicine box, a medicine adding box and a DCS; the top charging port of the quicklime powder bin is communicated with a feeding pipe, the bottom discharging port of the quicklime powder bin is arranged above the feeding port of the screw feeder, the discharging port of the screw feeder is arranged above the charging port of the medicine dissolving box, a first stirrer is arranged in the medicine dissolving box, the bottom of the medicine dissolving box and the top of the medicine adding box are communicated through a flow guide groove, a second stirrer is arranged in the medicine adding box, and the discharging port at the bottom of the medicine adding box is communicated with the inlet of a lime milk medicine adding pump; the top of the dissolving box is communicated with a water replenishing pipe, a water replenishing electric valve is arranged on the water replenishing pipe, and a radar liquid level meter is arranged in the adding box; the radar liquid level meter is electrically connected with the input end of the DCS, and the output end of the DCS is respectively electrically connected with the screw feeder and the water supplementing electric valve.

Further, the vibrator has been installed to quick lime powder storehouse's bottom discharge gate department, DCS's output with the vibrator electricity is connected.

Furthermore, a radar level indicator is arranged in the quicklime powder bin and is electrically connected with the input end of the DCS.

Furthermore, a dust remover is arranged at a feeding port at the top of the quicklime powder bin.

The utility model has the advantages that: the utility model discloses a liquid level condition in radar level gauge real-time supervision dosing tank to data with the monitoring feeds back DCS in real time, contrasts with the setting value, and here opens through DCS control screw feeder and stops and the switching of moisturizing motorised valve, and then realizes automatic blending's purpose, compares in manual configuration lime milk system, the utility model discloses the lime milk of producing is more even, can adjust the lime milk concentration prepared through the frequency conversion operation to screw feeder, can make lime milk concentration remain invariable throughout, and this system realizes the reinforced process of automatic blending moreover, reduces staff's intensity of labour, improves waste water treatment efficiency, simultaneously, avoids the emergence of manual operation mistake phenomenon, guarantees production efficiency.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

The parts in the drawings are numbered as follows: quick lime powder storehouse 1, screw feeder 2, dissolving medicine case 3, dosing tank 4, DCS5, inlet pipe 6, first agitator 7, guiding gutter 8, second agitator 9, lime breast dosing pump 10, moisturizing pipe 11, moisturizing motorised valve 12, radar level gauge 13, radar level gauge 14, vibrator 15, dust remover 16, manual valve 17.

The specific implementation mode is as follows:

as shown in fig. 1, the quicklime digestion reaction system comprises a quicklime powder bin 1, a screw feeder 2, a dissolving medicine box 3, a dosing box 4 and DCS 5; the top feeding port of the quicklime powder bin 1 is communicated with the feeding pipe 6, quicklime is fed into the quicklime powder bin 1 from the feeding pipe 6 through a quicklime feeding device, the top feeding port of the quicklime powder bin 1 is provided with a dust remover 16, and powder overflowing from the feeding port of the quicklime powder bin 1 is absorbed and treated by the dust remover 16 in the feeding process, so that the environment pollution is avoided; a bottom discharge port of the quicklime powder bin 1 is arranged above a feed port of the screw feeder 2, powder at the discharge port of the quicklime powder bin 1 is accumulated at the feed port of the screw feeder 2, and when the screw feeder 2 is started, the screw feeder 2 conveys the powder and the powder in the quicklime powder bin 1 falls into the screw feeder 2; a vibrator 15 is arranged at a discharge outlet at the bottom of the quicklime powder bin 1, and powder in the quicklime powder bin 1 can flow into the screw feeder 2 more smoothly through the vibrator 15; the discharge opening of the screw feeder 2 is arranged above the feed opening of the dissolving medicine box 3, a first stirrer 7 is arranged in the dissolving medicine box 3, the motor of the screw feeder 2 is a variable frequency motor, the variable frequency speed regulation is remotely arranged through DCS5, the adjustment of the adding amount of quicklime can be realized, the top of the dissolving medicine box 3 is communicated with a water supplementing pipe 11, the water supplementing electric valve 12 and a manual valve 17 are arranged on the water supplementing pipe 11, the manual valve 17 is used for facilitating the on-site manual operation of the switch for supplementing water, and the quicklime and the water added in the dissolving medicine box 3 are mixed for digestion reaction under the stirring action of the first stirrer 7; the bottom of the dissolving medicine box 3 is communicated with the top of the dosing box 4 through the diversion trench 8, so that the lime milk at the bottom of the dissolving medicine box 3 is more uniform, and rises through the diversion trench 8 and overflows into the dosing box 4, so that the concentration of the lime milk for treating wastewater in the dosing box 4 is uniform, and the situation that the materials with incomplete dissolution and nonuniform concentration at the top of the liquid surface in the dissolving medicine box 3 flow into the dosing box 4 is avoided; lime milk generated through digestion reaction in the dissolving medicine box 3 flows into the adding medicine box 4 along the diversion trench 8 through the lime milk which is uniformly stirred under the action of liquid level difference, a second stirrer 9 is arranged in the adding medicine box 4, and the lime milk is continuously stirred through the second stirrer 9, so that the lime milk is always in a uniform suspension state, and precipitation is avoided; a discharge hole at the bottom of the dosing tank 4 is communicated with an inlet of a lime milk dosing pump 10, an outlet of the lime milk dosing pump 10 is communicated with a wastewater treatment device, lime milk is pumped into wastewater through the lime milk dosing pump 10 for neutralization treatment, the lime milk dosing pump 10 adopts frequency conversion control, and remote frequency conversion speed regulation is carried out on the lime milk dosing pump 10 through DCS5 according to the PH value fed back by the wastewater treatment device; the lime milk dosing pump 10 used on site is one-use one-standby; the method is characterized in that a radar liquid level meter 13 is arranged in a dosing tank 4, the radar liquid level meter 13 is electrically connected with an input end of DCS5, an output end of DCS5 is respectively electrically connected with a screw feeder 2, a vibrator 15 and a water supplementing electric valve 12, the liquid level height in the dosing tank 4 is monitored in real time through the radar liquid level meter 13, monitored data are fed back to DCS5 in real time and are compared with a set high value and a set low value, when the monitored liquid level is higher than the high value, the screw feeder 2 and the vibrator 15 are controlled to stop through DCS5, the water supplementing electric valve 12 is controlled to be closed, when the monitored liquid level is lower than the low value, the screw feeder 2 and the vibrator 15 are controlled to be opened through DCS5, the water supplementing electric valve 12 is controlled to be opened, the purpose of automatic batching is achieved through monitoring the liquid level in the dosing tank 4 in real time, the concentration of prepared lime milk can be kept constant, and, and pass through the utility model discloses reduce staff's intensity of labour, improve waste water treatment efficiency, simultaneously, avoid manual operation phenomenon of makeing mistakes's emergence, guarantee production efficiency.

An acousto-optic alarm corresponding to the screw feeder 2, the water supplementing electric valve 12, the first stirrer 7, the second stirrer 9 and the lime milk dosing pump 10 is arranged in the DCS 5; when the liquid level monitored by the radar liquid level meter 13 is higher than a set high-level value and the screw feeder 2 or the water replenishing electric valve 12 does not execute a closing action, the DCS5 displays a corresponding acousto-optic alarm, when the liquid level monitored by the radar liquid level meter 13 is lower than a set low-level value, the DCS5 displays an acousto-optic alarm corresponding to the lime milk dosing pump 10, and the lime milk dosing pump 10 is interlocked to jump, so that a worker can conveniently process the liquid level in time; in the production process, when the first stirrer 7 or the second stirrer 9 has a phenomenon of vehicle jumping, a sound-light alarm is given out, so that the workers can timely carry out maintenance treatment.

Quick lime powder storehouse 1 is built-in to be equipped with radar charge level indicator 14, and radar charge level indicator 14 is connected with DCS 5's input electricity, shows the high low material level through DCS5 and reports to the police on line, when the material level of radar charge level indicator 14 monitoring is higher than the high value of settlement, in time stops reinforced in the quick lime powder storehouse 1, when the material level of radar charge level indicator 14 monitoring is less than the low value of settlement, in time to replenishing quick lime powder in quick lime powder storehouse 1.

Instructions for use: in the operation process of the system, quicklime powder is added into a quicklime powder bin 1 from a feeding pipe 6 through a quicklime feeding device, the powder in the quicklime powder bin 1 falls into a screw feeder 2 from a discharging port under the action of a vibrator 15, the screw feeder 2 conveys the quicklime powder into a dissolving box 3 at a set operation speed, reaction water is supplemented into the dissolving box 3 through a water supplementing pipe 11, quicklime and water are mixed for digestion reaction under the stirring action of a first stirrer 7 to generate lime milk, the lime milk flows into a feeding box 4 along a diversion trench 8 under the action of liquid level difference, the lime milk is always in a uniform suspension state under the continuous stirring action of a second stirrer 9, and the lime milk is pumped into waste water through a lime milk feeding pump 10 for neutralization treatment; in the production process, the liquid level height in the dosing tank 4 is monitored in real time through the radar liquid level meter 13, monitored data are fed back to the DCS5 in real time and are compared with a set high value and a set low value, when the monitored liquid level is higher than the high value, the screw feeder 2 and the vibrator 15 are controlled to stop through the DCS5, the water supplementing electric valve 12 is controlled to be closed, when the monitored liquid level is lower than the low value, the screw feeder 2 and the vibrator 15 are controlled to be opened through the DCS5, the water supplementing electric valve 12 is controlled to be opened, and the purpose of automatic feeding and dosing is achieved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The quicklime digestion reaction system is characterized by comprising a quicklime powder bin, a screw feeder, a dissolving medicine box, a medicine adding box and a DCS; the top charging port of the quicklime powder bin is communicated with a feeding pipe, the bottom discharging port of the quicklime powder bin is arranged above the feeding port of the screw feeder, the discharging port of the screw feeder is arranged above the charging port of the medicine dissolving box, a first stirrer is arranged in the medicine dissolving box, the bottom of the medicine dissolving box and the top of the medicine adding box are communicated through a flow guide groove, a second stirrer is arranged in the medicine adding box, and the discharging port at the bottom of the medicine adding box is communicated with the inlet of a lime milk medicine adding pump; the top of the dissolving box is communicated with a water replenishing pipe, a water replenishing electric valve is arranged on the water replenishing pipe, and a radar liquid level meter is arranged in the adding box; the radar liquid level meter is electrically connected with the input end of the DCS, and the output end of the DCS is respectively electrically connected with the screw feeder and the water supplementing electric valve.

2. The quicklime digestion reaction system according to claim 1, wherein a vibrator is installed at a discharge outlet at the bottom of the quicklime powder bin, and an output end of the DCS is electrically connected with the vibrator.

3. The quicklime digestion reaction system according to claim 1 or 2, wherein a radar level gauge is arranged in the quicklime powder bin, and the radar level gauge is electrically connected with the input end of the DCS.

4. The quicklime digestion reaction system according to claim 3, wherein a dust collector is installed at a top feed port of the quicklime silo.

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