CN210915373U

CN210915373U - Reclaimed water reuse lime adding system

Info

Publication number: CN210915373U
Application number: CN201921642012.9U
Authority: CN
Inventors: 袁社路; 王图钦; 王成; 张飞飞; 张猛; 高清明; 袁振涛
Original assignee: Shaanxi Changqing Energy & Chemical Co ltd
Current assignee: Shaanxi Changqing Energy & Chemical Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-03
Anticipated expiration: 2029-09-29

Abstract

The utility model belongs to the technical field of water treatment, and discloses a reclaimed water recycling lime feeding system, which comprises a lime bin and a guide plate, wherein vibrators are symmetrically arranged on two side walls of the lime bin, an arch breaking machine is arranged at the bottom end of the lime bin, a variable frequency conveyor is arranged at the bottom end of the arch breaking machine, a lime milk preparation box is arranged at the end part of the variable frequency conveyor through the guide plate, a constant liquid level water tank is connected at the bottom end of the side wall of the lime milk preparation box through a pipeline, a circulating water pump is arranged beside the constant liquid level water tank, a circulating water outlet pipe is connected between the water outlet end of the circulating water pump and the top end of the constant liquid level water tank, after the utility model is transformed, the lime bin can be vibrated through the vibrators at any time, the blocking and arch lapping phenomena caused by internal friction, deliquescence and the like can be effectively eliminated, the cost for overhauling, manually cleaning, replacing the pipeline and the like is reduced.

Description

Reclaimed water reuse lime adding system

Technical Field

The utility model belongs to the technical field of the water treatment, concretely relates to reuse of reclaimed water lime dosing system.

Background

The main tasks of reclaimed water recycling are to take charge of the pretreatment of sewage disposal, desalted water ultrafiltration and the like of the integrated water purifier of the raw water treatment station, remove organic macromolecules, colloids, microorganisms and the like, then carry out reverse osmosis deep desalination to reduce the salt content in water, and send the treated water to a circulating water collecting tank, a desalted water ultrafiltration water tank or a turbine condensate water tank as make-up water of the circulating water station.

However, the existing reclaimed water recycling lime adding system has the defects of unsmooth discharging of a lime bin, blockage of a conveyor and a pipeline and the like for many times since the start of the system, and the conveyor is broken for many times to return to the original manufacturer for repair under serious conditions, so that the normal operation of a subsequent system is influenced, and the field workload and the labor intensity are very large due to frequent cleaning.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reuse of reclaimed water lime dosing system to solve the problem that the lime storehouse unloading that proposes is smooth, conveyer and pipe blockage among the above-mentioned background art, in addition, need frequently clear up, lead to the very big problem of site work volume and intensity of labour.

In order to achieve the above object, the utility model provides a following technical scheme: a reclaimed water recycling lime feeding system comprises a lime bin and a guide plate, wherein vibrators are symmetrically arranged on two side walls of the lime bin, an arch breaking machine is arranged at the bottom end of the lime bin, a variable frequency conveyor is arranged at the bottom end of the arch breaking machine, a lime milk preparation box is arranged at the end part of the variable frequency conveyor through the guide plate, a constant liquid level water tank is connected to the bottom end of the side wall of the lime milk preparation box through a pipeline, a circulating water pump is arranged beside the constant liquid level water tank, a circulating water outlet pipe is connected between the water outlet end of the circulating water pump and the top end of the constant liquid level water tank, a circulating water inlet pipe is connected to the water inlet end of the circulating water pump, the lower end of the side wall, far away from one end of the constant liquid level water tank, of the lime milk preparation box is connected with an open type overflow water tank through a, one end, far away from the conveying pipe, of each of the two connecting pipes is connected with a first lime milk pump and a second lime milk pump respectively, the water outlet end of the first lime milk pump is connected with a first outlet pipe, and the water outlet end of the second lime milk pump is connected with a second outlet pipe.

Preferably, a return pipe is connected between the side wall of the first outlet pipe and the lime milk preparing tank, and a return valve is mounted on the outer surface wall of the return pipe.

Preferably, the back table wall of constant liquid level water tank installs on-the-spot level gauge, liquid level sensor is installed to constant liquid level water tank and the one side that is located on-the-spot level gauge.

Preferably, a transparent observation window is installed on the rear surface wall of the lime milk preparation box, and the transparent observation window is of a rectangular structure.

Preferably, the outer surface wall of the connecting pipe is provided with a one-way valve, and the installation inclination angle of the guide plate is 50-70 degrees.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses through transforming the back, the lime storehouse is accessible vibrator at any time raps, can effectively eliminate because jam, the arch phenomenon of taking that reasons such as internal friction, deliquescence arouse for the unloading is smooth and easy, avoids appearing the putty phenomenon, has removed the operation of quick-witted clearance trouble of tearing open from, has reduced maintenance and manual cleaning, changes multinomial expenses such as pipeline.

(2) The utility model discloses a stop and demolishd quantitative conveyor, directly change the variable frequency conveyor discharge gate to lime breast preparation case feed inlet, the open-type is thrown and is thrown, has effectively prevented that configuration incasement steam from getting into conveyer and lime storehouse, has avoided the deliquescence of lime, is favorable to lime to carry unblocked, and has saved behind the quantitative conveyor, has avoided taking place to block up and the cracked defect of axle.

(3) The utility model discloses a change the centrifugal corrosion resistant wear-resisting mortar pump of screw lime breast pump for great flow, send the flow outward through the increase, make lime breast concentration reduce, the velocity of flow strengthens, reduces lime sediment, and the pipeline of having avoided the lime delivery pump takes place to block up, clearance labour saving and time saving before than, lime dosing system can normal operating.

(4) The utility model discloses a change circulating water blowdown into, can practice thrift fresh water in a large number, reduce the input of cost, increased the income.

(5) The utility model discloses a technology transformation of innovation has reduced the disqualification probability of arranging garden sewage outward, greatly reduced the blowdown expense of enterprise self, to protecting local environment, realize sustainable development and have the significance.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a rear view of the constant liquid level water tank of the present invention;

FIG. 3 is a rear view of the lime milk preparing box of the present invention;

in the figure: 1-lime bin, 2-vibrator, 3-arch breaking machine, 4-variable frequency conveyor, 5-return pipe, 6-first lime milk pump, 7-first outlet pipe, 8-second lime milk pump, 9-connecting pipe, 10-conveying pipe, 11-open overflow water tank, 12-lime milk preparation tank, 13-constant liquid level water tank, 14-circulating water outlet pipe, 15-circulating water pump, 16-circulating water inlet pipe, 17-guide plate, 18-liquid level sensor, 19-field liquid level meter, 20-transparent observation window and 21-second outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a reclaimed water recycling lime feeding system comprises a lime bin 1 and a guide plate 17, wherein two side walls of the lime bin 1 are symmetrically provided with vibrators 2, the vibrators 2 are electrically connected with a control system of a water treatment plant, the two vibrators 2 symmetrically arranged on the two side walls of the lime bin 1 can effectively eliminate blocking and arch lapping phenomena caused by internal friction, deliquescence and the like, so that lime can be smoothly discharged from a bin opening, the vibrators 2 can adopt electromagnetic vibrators, the power is selected to be 60W according to the thickness of 6mm of bin wall steel plates, the bottom end of the lime bin 1 is provided with an arch breaking machine 3, the bottom end of the arch breaking machine 3 is provided with a variable frequency conveyor 4, the arch breaking machine 3 and the variable frequency conveyor 4 are both electrically connected with the control system of the water treatment plant, the discharge port of the variable frequency conveyor 4 is directly changed to the feed port of a lime milk preparation box 12, open feeding is carried out, and water vapor in the preparation box can be effectively prevented from entering the, the lime deliquescence phenomenon is reduced, meanwhile, after a quantitative conveyor is omitted, the phenomena of blockage and shaft breakage are avoided, electricity is saved, a lime milk preparation box 12 is installed at the end part of a variable frequency conveyor 4 through a guide plate 17, the bottom end of the side wall of the lime milk preparation box 12 is connected with a constant liquid level water tank 13 through a pipeline, a circulating water pump 15 is installed beside the constant liquid level water tank 13, the circulating water pump 15 is electrically connected with a control system of the water treatment plant, the model of the circulating water pump 15 is YL711-90, the rated voltage is 220V, the rated rotating speed is 2800rpm, a circulating water outlet pipe 14 is connected between the water outlet end of the circulating water pump 15 and the top end of the constant liquid level water tank 13, a circulating water inlet end of the circulating water pump 15 is connected with a circulating water inlet pipe 16, the fresh water used for preparing the lime milk is increased along with the increase of the lime, therefore, the circulating water discharged from the adjusting tank is led to the lime milk preparation tank 12 to replace fresh water, so that a large amount of fresh water can be savedThe lower end of the side wall of the lime milk preparation box 12, which is far away from one end of the constant liquid level water tank 13, is connected with an open overflow water tank 11 through a pipeline, the open overflow water tank 11 is additionally arranged to facilitate precipitation and cleaning of lime impurities, the bottom end of the side wall of the open overflow water tank 11 is connected with a delivery pipe 10, one end of the delivery pipe 10, which is far away from the open overflow water tank 11, is symmetrically connected with connecting pipes 9 through three-way connectors, one ends of the two connecting pipes 9, which are far away from the delivery pipe 10, are respectively connected with a first lime milk pump 6 and a second lime milk pump 8, the first lime milk pump 6 and the second lime milk pump 8 are both electrically connected with a control system of the water treatment plant, the models of the first lime milk pump 6 and the second lime milk pump 8 are both 65UHB-Z³H, the rated rotating speed is 1450r/min, the first lime milk pump 6 and the second lime milk pump 8 are centrifugal corrosion-resistant and wear-resistant mortar pumps, and the original screw type lime milk pump (the flow is 2.5 m)³H) replaced by a centrifugal corrosion-resistant and wear-resistant mortar pump (12.5 m) with larger flow³And h) the concentration of lime milk is reduced, the flow rate is increased and lime precipitation is reduced by increasing the outward flow, the water outlet end of the first lime milk pump 6 is connected with a first outlet pipe 7, and the water outlet end of the second lime milk pump 8 is connected with a second outlet pipe 21.

Furthermore, a return pipe 5 is connected between the side wall of the first outlet pipe 7 and the lime milk preparation tank 12, a return valve is installed on the outer wall of the return pipe 5, and the return pipe 5 is creatively additionally arranged between the first outlet pipe 7 and the lime milk preparation tank 12, so that part of the lime milk flows back into the lime milk preparation tank 12, and the lime solution in the preparation tank is forcibly stirred.

Further, the back surface wall of the constant liquid level water tank 13 is provided with a field liquid level meter 19, one side of the constant liquid level water tank 13, which is located on the field liquid level meter 19, is provided with a liquid level sensor 18, the liquid level sensor 18 is electrically connected with a control system of the water treatment workshop, the field liquid level meter 19 is convenient for workers to know the liquid level of the constant liquid level water tank 13 on the field, and the liquid level sensor 18 can display the liquid level information in real time through a computer in a DCS control chamber.

Furthermore, a transparent observation window 20 is installed on the rear surface wall of the lime milk preparation box 12, the transparent observation window 20 is of a rectangular structure, and workers can observe the lime milk preparation condition in the lime milk preparation box 12 through the transparent observation window 20, which is beneficial to the process.

Furthermore, the outer surface wall of the connecting pipe 9 is provided with a one-way valve, the installation inclination angle of the guide plate 17 is 50-70 degrees, the one-way valve is convenient for controlling the flow of lime milk, and the guide plate 17 with the inclination angle of 50-70 degrees is convenient for the blanking of lime.

The utility model discloses a theory of operation and use flow: when the utility model is used, lime is firstly put into the lime bin 1, the lime after being treated can be quickly conveyed into the lime milk preparation box 12 through the frequency conversion conveyor 4 connected with the guide plate 17 by the treatment of the arch breaking machine 3 and the cooperation of the vibrator 2, then the circulating water pump 15 can be started, circulating sewage entering the regulating reservoir is extracted through the circulating water inlet pipe 16 and flows into the constant liquid level water tank 13 through the circulating water outlet pipe 14, circulating water in the constant liquid level water tank 13 is then led into the lime milk preparation box 12 to prepare lime milk, the lime milk is well prepared, the first lime milk pump 6 and the second lime milk pump 8 are started, the lime milk in the open type overflow water tank 11 can be extracted to enter the next process step, in addition, the site liquid level of the constant liquid level water tank 13 can be conveniently known by workers through the site DCS liquid level meter 19, the liquid level sensor 18 can display liquid level information in real time through a computer in a DCS control chamber, and the liquid level is prevented from being wrong by matching adaptation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reuse of reclaimed water lime dosing system which characterized in that: the lime milk production device comprises a lime bin (1) and a guide plate (17), vibrators (2) are symmetrically installed on two side walls of the lime bin (1), an arch breaking machine (3) is installed at the bottom end of the lime bin (1), a variable frequency conveyor (4) is installed at the bottom end of the arch breaking machine (3), a lime milk preparation tank (12) is installed at the end portion of the variable frequency conveyor (4) through the guide plate (17), a constant liquid level water tank (13) is connected to the bottom end of the side wall of the lime milk preparation tank (12) through a pipeline, a circulating water pump (15) is installed beside the constant liquid level water tank (13), a circulating water outlet pipe (14) is connected between the water outlet end of the circulating water pump (15) and the top end of the constant liquid level water tank (13), a circulating water inlet end of the circulating water pump (15) is connected with a circulating water inlet pipe (16), and an open overflow water tank (11) is connected to the lower, the lateral wall bottom of open-type overflow water tank (11) is connected with conveyer pipe (10), the one end that open-type overflow water tank (11) were kept away from in conveyer pipe (10) has connecting pipe (9) through tee junction head symmetric connection, two the one end that conveyer pipe (10) were kept away from in connecting pipe (9) is connected with first lime breast pump (6) and second lime breast pump (8) respectively, the play water end of first lime breast pump (6) is connected with first exit tube (7), the play water end of second lime breast pump (8) is connected with second exit tube (21).

2. The reclaimed water reuse lime adding system according to claim 1, characterized in that: a return pipe (5) is connected between the side wall of the first outlet pipe (7) and the lime milk preparation tank (12), and a return valve is installed on the outer surface wall of the return pipe (5).

3. The reclaimed water reuse lime adding system according to claim 1, characterized in that: on-site level gauge (19) is installed to the back table wall of permanent liquid level water tank (13), level sensor (18) are installed to permanent liquid level water tank (13) and the one side that is located on-site level gauge (19).

4. The reclaimed water reuse lime adding system according to claim 1, characterized in that: a transparent observation window (20) is installed on the rear surface wall of the lime milk preparation box (12), and the transparent observation window (20) is of a rectangular structure.

5. The reclaimed water reuse lime adding system according to claim 1, characterized in that: the outer surface wall of the connecting pipe (9) is provided with a one-way valve, and the installation inclination angle of the guide plate (17) is 50-70 degrees.