Automatic flocculant preparation device based on liquid level monitoring

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an automatic flocculant preparation device based on liquid level monitoring, which comprises a frame body, a PLC (programmable logic controller) control box is fixedly mounted at the front end of the top of the frame body, and an alarm is fixedly mounted at the top of the PLC control box. A transfer storage tank and a preparation storage tank are fixedly mounted at the left end and the right end of the top of the frame body respectively, and a transfer remote transmission ultrasonic liquid level meter and a preparation remote transmission ultrasonic liquid level meter are fixedly mounted at the tops of inner cavities of the transfer storage tank and the preparation storage tank respectively; a transfer stirrer and a preparation stirrer are fixedly arranged on the inner sides of the transfer storage tank and the preparation storage tank respectively. Under the action of the transfer storage tank and the transfer pump, the device has the advantages that the concentration of a flocculating agent is accurately configured, the curing time is ensured, the flocculation effect is improved, the consumption of the flocculating agent is reduced, and the interruption of the desliming machine due to the flocculating agent is avoided, and the problems that the flocculating agent is low in preparation precision, extremely frequent in preparation and large in preparation concentration fluctuation are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a flocculating agent automatic configuration device based on liquid level monitoring. BACKGROUND

[0002] Sewage treatment is the process that carries out purification to sewage so that the sewage reaches the water quality requirement of being discharged into a water body or reused. Sewage treatment is widely applied in various fields such as construction, agriculture, transportation, energy, petrochemical industry, environmental protection, urban landscape, medical treatment, catering and the like, and flocculating agent prepared is needed in sewage treatment.

[0003] At present, the preparation of flocculating agent is usually prepared by manual according to the judgment of spiral feeding condition by naked eyes and the water volume adjustment of the appearance of prepared flocculating agent, the preparation cycle is automatically operated according to the high and low liquid level set by the preparation cylinder, the preparation is carried out once every 30-40 minutes on average, the single preparation cycle needs about 10 minutes, and the relative constant flow is added under the normal working condition of the production flocculating agent adding flow.

[0004] However, the existing flocculating agent preparation and use have the following disadvantages:

[0005] 1. The water volume is adjusted according to the float flow meter, the display precision is low, the influence of pipe network water pressure is large, it is not conducive to fine medicament preparation adjustment, the preparation concentration fluctuation is large, and the operation of the desliming machine is affected;

[0006] 2. The preparation is extremely frequent, which is not conducive to the maturation use of flocculating agent, especially in winter, the water temperature is low, the maturation time is seriously insufficient, the flocculation effect is reduced, the use amount of flocculating agent is increased, and the flocculating agent which is not completely dissolved is easy to form a ball and cause the pipe blockage of the adding system;

[0007] 3. The large preparation concentration fluctuation leads to the low sensitivity of the existing floating ball liquid level meter, and the desliming machine is abnormally operated due to the low material level and the non-timely preparation.

[0008] In order to accurately configure the flocculating agent concentration, ensure the maturation time, improve the flocculation effect, reduce the flocculating agent consumption, and prevent the abnormality of the desliming machine due to the interruption of flocculating agent, we provide a flocculating agent automatic configuration device based on liquid level monitoring. UTILITY MODEL CONTENT

[0009] The utility model aims at providing a flocculating agent automatic configuration device based on liquid level monitoring, which has the advantages of accurate configuration of flocculating agent concentration, ensuring maturation time, improving flocculation effect, reducing flocculating agent consumption and preventing the interruption of flocculating agent of the desliming machine, and solves the problems of low flocculating agent preparation precision, extremely frequent preparation and large preparation concentration fluctuation.

[0010] In order to achieve the above object, the utility model provides the following technical scheme: A flocculants automatic configuration device based on liquid level monitoring, including frame body, the front end fixed mounting of frame body top has PLC control box, the top fixed mounting of PLC control box has alarm, the left and right two ends of frame body top respectively fixed mounting has transfer storage tank and preparation storage tank, the top of transfer storage tank and preparation storage tank inner chamber respectively fixed mounting has transfer remote ultrasonic liquid level meter and preparation remote ultrasonic liquid level meter, the inner side of transfer storage tank and preparation storage tank respectively fixedly is provided with transfer agitator and preparation agitator, the rear end fixed mounting of frame body has transfer pump, the right end of preparation storage tank top is communicated with one end and is provided with electric valve body's water pipe, the left end fixed mounting of frame body top has hopper, the left end of preparation storage tank top and the lower end of hopper right side are communicated with guide chute.

[0011] Preferably, the liquid inlet end of the transfer pump is communicated with the bottom of the preparation storage tank through a pipeline, and the liquid outlet end of the transfer pump is communicated with the upper end of the transfer storage tank through a pipeline.

[0012] Preferably, the bottom of the transfer storage tank is communicated with an output pipe having an electric valve body at one end.

[0013] Preferably, the lower end of the inner cavity of the hopper is fixedly connected with a guide partition plate, the middle end of the guide partition plate is provided with a material guide pipe, and one end of the material guide pipe is provided with an electric control valve.

[0014] Preferably, the top of the inner cavity of the hopper is fixedly provided with a weigher, the top of the weigher is provided with a receiving hopper corresponding to the material guide pipe, and the bottom of the inner cavity of the receiving hopper is inclined.

[0015] Preferably, the lower end of the right side of the inner cavity of the hopper is fixedly connected with a fixed plate, the left end of the top of the fixed plate is fixedly provided with an electric telescopic rod, the extending end of the electric telescopic rod is fixedly connected with a connecting plate, and the left side of the connecting plate is fixedly connected with a sealing plate matched with the right end of the inner cavity of the receiving hopper.

[0016] Preferably, the right end of the top of the connecting plate is fixedly connected with a guide rod sliding on the inner surface of the fixed plate.

[0017] Compared with the prior art, the utility model has the beneficial effects as follows:

[0018] 1.The utility model discloses a hopper and the setting of guide chute confirm the discharging amount, and after the manual input work procedure of PLC control box, the program is according to the set configuration concentration, and the electric valve body of one end of water pipe is opened, and under the assistance of preparation remote ultrasonic level meter, the required water body can be injected into preparation storage tank, after the water body liquid level in preparation storage tank reaches the required high position, the electric valve body of one end of water pipe is closed in PLC control box, at this time, the maturation starts timing, and the preparation stirrer is started in PLC control box, and after reaching the set maturation time, the preparation stirrer is stopped in PLC control box, then, the transfer pump is started in PLC control box, and then the transfer pump can send the flocculating agent after maturation into transfer storage tank, when the liquid level in transfer storage tank reaches the set high liquid level in the monitoring of preparation remote ultrasonic level meter, the transfer pump is stopped in PLC control box, and when the liquid level in preparation storage tank is lower than the set value in the monitoring of preparation remote ultrasonic level meter, the alarm is started and automatically starts preparation, and after the liquid level in preparation storage tank reaches the set value in the monitoring of preparation remote ultrasonic level meter, the preparation is automatically stopped, the preparation stirrer is started in PLC control box, and the flocculating agent after maturation in transfer storage tank can be discharged to the outside for use after the electric valve body of one end of water pipe is started in PLC control box, and the flocculating agent after maturation can be discharged to the outside for use at the same time of preparation, which provides enough time for the maturation of flocculating agent in preparation storage tank and guarantees the maturation degree of flocculating agent.

[0019] 2.The utility model discloses the setting of guide baffle, after the electric control valve in guide pipe is started in PLC control box, the ingredients in hopper can be sent into holding hopper, and under the assistance of sealing plate, the weighing apparatus can complete the weighing of ingredients, when the weight of ingredients reaches the requirement, the electric control valve in guide pipe is closed in PLC control box, then, under the assistance of guide rod, the electric telescopic link drives the connecting plate to retract, and when the connecting plate moves, the sealing plate can move upwards in holding hopper, and then the weighed ingredients can enter preparation storage tank through guide chute, when the weight of weighing apparatus returns to the normal value, the electric telescopic link drives the connecting plate to extend again, and then the sealing plate can seal the right end of holding hopper again, which facilitates the weighing of next time, and realizes the automatic and accurate feeding capacity of ingredients, which facilitates the use of staff. ACCURACY

[0020] Figure 1 It is the first visual angle structure schematic diagram of the utility model;

[0021] Figure 2 It is the second visual angle structure schematic diagram of the utility model;

[0022] Figure 3 It is the explosion structure schematic diagram of the utility model;

[0023] Figure 4 It is the sectional structure schematic diagram of the hopper of the utility model.

[0024] In the figure: 1, frame body; 2, PLC control box; 3, alarm; 4, transfer tank; 5, preparation tank; 6, hopper; 7, transfer mixer; 8, preparation mixer; 9, water conveying pipe; 10, transfer pump; 11, transfer remote ultrasonic liquid level meter; 12, preparation remote ultrasonic liquid level meter; 13, output pipe; 14, holding hopper; 15, weigher; 16, material guide groove; 17, guide partition plate; 18, material guide pipe; 19, electric control valve; 20, electric telescopic rod; 21, fixed plate; 22, guide rod; 23, connecting plate; 24, sealing plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The frame body 1, the PLC control box 2, the alarm 3, the transfer tank 4, the preparation tank 5, the hopper 6, the transfer agitator 7, the preparation agitator 8, the water delivery pipe 9, the transfer pump 10, the transfer remote ultrasonic liquid level meter 11, the preparation remote ultrasonic liquid level meter 12, the output pipe 13, the holding hopper 14, the weighing device 15, the material guide groove 16, the guide partition plate 17, the material guide pipe 18, the electric control valve 19, the electric telescopic rod 20, the fixed plate 21, the guide rod 22, the connecting plate 23 and the sealing plate 24 parts are general standard parts or parts known to those skilled in the art, and the structure and principle thereof can be known by technical personnel through a technical manual or through a conventional experimental method.

[0029] Example one

[0030] Please refer to Figures 1-4 As shown in the figure, the utility model provides a technical scheme: a flocculant automatic preparation device based on liquid level monitoring, including frame body 1, the front end fixed mounting of frame body 1 top has PLC control box 2, the top fixed mounting of PLC control box 2 has alarm 3, the left and right ends of frame body 1 top are fixedly installed with transfer tank 4 and preparation tank 5 respectively, the bottom of transfer tank 4 is communicated with the output pipe 13 of one end setting electric valve body, the top of the inner chamber of transfer tank 4 and preparation tank 5 is fixedly installed with transfer remote ultrasonic liquid level meter 11 and preparation remote ultrasonic liquid level meter 12 respectively, the inner side of transfer tank 4 and preparation tank 5 is fixedly provided with transfer agitator 7 and preparation agitator 8 respectively, the rear end of frame body 1 is fixedly installed with transfer pump 10, the liquid inlet end of transfer pump 10 is communicated with the bottom of preparation tank 5 through pipeline, the liquid outlet end of transfer pump 10 is communicated with the upper end of transfer tank 4 through pipeline, the right end of preparation tank 5 top is communicated with the water delivery pipe 9 of one end setting electric valve body, the left end of frame body 1 top is fixedly installed with hopper 6, the lower end of hopper 6 right side and the left end of preparation tank 5 top are communicated with material guide groove 16.

[0031] The technical scheme: through the setting of the hopper 6 and the guide chute 16, the discharging amount is confirmed, after the PLC control box 2 manually inputs the working program, the program configures the concentration according to the setting, through the opening of the electric valve body at one end of the water conveying pipe 9, and with the assistance of the remote ultrasonic liquid level meter 12, the required water body can be injected into the preparation storage tank 5, after the water body liquid surface in the preparation storage tank 5 reaches the required high position, the PLC control box 2 closes the electric valve body at one end of the water conveying pipe 9, at this time, the maturation starts timing, the PLC control box 2 opens the preparation stirrer 8 to run, after reaching the set maturation time, the PLC control box 2 closes the preparation stirrer 8 to run, then, the PLC control box 2 opens the transfer pump 10, and then the transfer pump 10 can send the matured flocculating agent into the transfer storage tank 4 through the pipeline, when the transfer remote ultrasonic liquid level meter 11 monitors that the liquid level in the transfer storage tank 4 reaches the set high liquid level, the PLC control box 2 closes the transfer pump 10, and when the preparation remote ultrasonic liquid level meter 12 monitors that the liquid level in the preparation storage tank 5 is lower than the set value, the alarm 3 is opened and the preparation is automatically started, and when the preparation remote ultrasonic liquid level meter 12 monitors that the liquid level in the preparation storage tank 5 reaches the set value, the preparation is automatically stopped, the preparation stirrer 8 is opened to run for maturation by the PLC control box 2, and the matured flocculating agent in the transfer storage tank 4 can be discharged outward for use after the electric valve body at one end of the water conveying pipe 9 is opened by the PLC control box 2, so that the flocculating agent in the preparation storage tank 5 is given sufficient time for maturation, and the maturation degree of the flocculating agent is ensured, when the liquid level in the transfer storage tank 4 reaches the high liquid level or the liquid level in the preparation storage tank 5 reaches the low liquid level, the transfer pump 10 is automatically stopped, if the liquid level in the transfer storage tank 4 appears low liquid level alarm, but the maturation time of the flocculating agent in the preparation storage tank 5 has not arrived, the transfer pump 10 is still automatically operated to transfer the flocculating agent into the transfer storage tank 4, at this time, the transfer stirrer 7 is automatically operated, the maturation time is stopped after a delay of thirty minutes, if the liquid level in the transfer storage tank 4 and the liquid level in the preparation storage tank 5 are both low, the transfer pump 10 cannot be automatically started, after the low liquid level alarm of the preparation storage tank 5 is eliminated for thirty minutes, the transfer pump 10 is allowed to be automatically started.

[0032] The alarm 3 alarms when the liquid levels in the preparation storage tank 5 and the transfer storage tank 4 are high or low, alarms when the transfer pump 10 starts or stops or fails, alarms when the maturation time of the flocculating agent is completed, alarms when the water quantity in the water conveying pipe 9 cannot reach the required water quantity when the opening degree of the electric valve body is 100%, alarms when the intelligent preparation system is put into use or cut out, and alarms when the water quantity is too low.

[0033] Example two

[0034] On the basis of example one, the utility model discloses Figures 1-4As shown, the lower end of the inner cavity of the hopper 6 is fixedly connected with a guide partition plate 17, the middle end of the guide partition plate 17 is provided with a material guide pipe 18, one end of the material guide pipe 18 is provided with an electric control valve 19, the top of the inner cavity of the hopper 6 is fixedly installed with a weigher 15, the top of the weigher 15 is provided with a containing hopper 14 corresponding to the material guide pipe 18, the bottom of the inner cavity of the containing hopper 14 is inclined, the lower end of the right side of the inner cavity of the hopper 6 is fixedly connected with a fixed plate 21, the left end of the top of the fixed plate 21 is fixedly installed with an electric telescopic rod 20, the extending end of the electric telescopic rod 20 is fixedly connected with a connecting plate 23, the left side of the connecting plate 23 is fixedly connected with a sealing plate 24 matched with the right end of the inner cavity of the containing hopper 14, and the right end of the top of the connecting plate 23 is fixedly connected with a guide rod 22 sliding on the inner surface of the fixed plate 21.

[0035] The present technical solution: through the setting of the guide partition plate 17, after the PLC control box 2 opens the electric control valve 19 in the material guide pipe 18, the ingredients in the hopper 6 can be sent into the containing hopper 14, and under the assistance of the sealing plate 24, the weigher 15 can complete the weighing of the ingredients, when the weight of the ingredients reaches the requirement, the PLC control box 2 closes the electric control valve 19 in the material guide pipe 18, then under the assistance of the guide rod 22, the electric telescopic rod 20 drives the connecting plate 23 to retract, and when the connecting plate 23 moves, it can drive the sealing plate 24 to move upward in the containing hopper 14, and then the weighed ingredients can enter the preparation storage tank 5 through the material guide groove 16, when the weight of the weigher 15 returns to the normal value, the electric telescopic rod 20 drives the connecting plate 23 to extend again, and then the sealing plate 24 can seal the right end of the containing hopper 14 again, facilitating the weighing of the next time, and then realizing the automatic and precise feeding capacity of the ingredients, facilitating the use of the staff.

[0036] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application, and are not limited to the scope of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A flocculant automatic configuration device based on liquid level monitoring, comprising a frame body (1), characterized in that: The front end of the top of the frame body (1) is fixedly installed with a PLC control box (2), the top of the PLC control box (2) is fixedly installed with an alarm (3), the left and right ends of the top of the frame body (1) are respectively fixedly installed with a transfer storage tank (4) and a preparation storage tank (5), the top of the inner cavity of the transfer storage tank (4) and the preparation storage tank (5) is respectively fixedly installed with a transfer remote ultrasonic liquid level meter (11) and a preparation remote ultrasonic liquid level meter (12), the inner side of the transfer storage tank (4) and the preparation storage tank (5) is respectively fixedly provided with a transfer agitator (7) and a preparation agitator (8), the rear end of the frame body (1) is fixedly installed with a transfer pump (10), the right end of the top of the preparation storage tank (5) is communicated with a water delivery pipe (9) with an electric valve body arranged at one end, the left end of the top of the frame body (1) is fixedly installed with a hopper (6), the lower end of the right side of the hopper (6) and the left end of the top of the preparation storage tank (5) are communicated with a material guide groove (16).

2. The flocculant automatic configuration device based on liquid level monitoring according to claim 1, characterized in that: The liquid inlet end of the transfer pump (10) is communicated with the bottom of the preparation storage tank (5) through a pipeline, and the liquid outlet end of the transfer pump (10) is communicated with the upper end of the transfer storage tank (4) through a pipeline.

3. The flocculant automatic configuration device based on liquid level monitoring according to claim 1, characterized in that: The bottom of the transfer storage tank (4) is communicated with an output pipe (13) with an electric valve body arranged at one end.

4. The flocculant automatic configuration device based on liquid level monitoring according to claim 1, characterized in that: The lower end of the inner cavity of the hopper (6) is fixedly connected with a guide partition plate (17), the middle end of the guide partition plate (17) is provided with a material guide pipe (18), and one end of the material guide pipe (18) is provided with an electric control valve (19).

5. The flocculant automatic configuration device based on liquid level monitoring according to claim 4, characterized in that: The top of the inner cavity of the hopper (6) is fixedly installed with a weigher (15), the top of the weigher (15) is provided with a containing hopper (14) corresponding to the material guide pipe (18), and the bottom of the inner cavity of the containing hopper (14) is inclined.

6. The flocculant automatic configuration device based on liquid level monitoring according to claim 5, characterized in that: The lower end of the right side of the inner cavity of the hopper (6) is fixedly connected with a fixed plate (21), the left end of the top of the fixed plate (21) is fixedly installed with an electric telescopic rod (20), the extending end of the electric telescopic rod (20) is fixedly connected with a connecting plate (23), and the left side of the connecting plate (23) is fixedly connected with a sealing plate (24) matched with the right end of the inner cavity of the containing hopper (14).

7. The flocculant automatic configuration device based on liquid level monitoring according to claim 6, characterized in that: The right end of the top of the connecting plate (23) is fixedly connected with a guide rod (22) sliding on the inner surface of the fixed plate (21).

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