CN220999425U

CN220999425U - Circulating water intelligent dosing device

Info

Publication number: CN220999425U
Application number: CN202322293155.6U
Authority: CN
Inventors: 吴鲤龙; 范涛
Original assignee: Chd Zhangping Energy Co ltd
Current assignee: Chd Zhangping Energy Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-05-24
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses an intelligent circulating water dosing device which comprises a first medicine box, a second medicine box, a third medicine box and a PLC control cabinet, wherein the inner and outer structural shapes of the three medicine boxes are completely the same, a stirring motor is arranged at the top of the first medicine box, the stirring motor is in transmission connection with a stirring impeller, a feeding port is formed beside the stirring motor, a liquid level sensor is arranged at the bottom of the first medicine box, a liquid level indication is arranged on the outer side wall of the first medicine box, a discharging port is formed at the bottom of the first medicine box, the discharging port is respectively connected with a first branch pipe, a second branch pipe and a third branch pipe and is respectively connected with inlets of a first metering pump, the second metering pump and the third metering pump through hoses, the outlets of the first metering pump, the second metering pump and the third metering pump are respectively connected with a fourth branch pipe, a fifth branch pipe and a sixth branch pipe through hoses, the fourth branch pipe and the sixth branch pipe are respectively connected with a first medicine adding main pipe and a second medicine adding main pipe, the first medicine adding main pipe is communicated with the second medicine adding main pipe, and the circulating water can be automatically carried out.

Description

Circulating water intelligent dosing device

Technical Field

The utility model relates to the technical field of industrial circulating water, in particular to an intelligent circulating water dosing device.

Background

The circulating water is widely applied in the industrial field, and the industrial circulating water is mainly used in a cooling water system, so the circulating cooling water is also called circulating cooling water, calcium carbonate or other dirt is easy to generate in the circulating utilization process due to the increase of water quality concentration and hardness, so that the efficiency and the service life of a condenser are reduced, and therefore, the prevention of the scale formation of the circulating water is particularly important.

Disclosure of utility model

The utility model provides an intelligent circulating water dosing device for solving the problems.

The utility model adopts the following technical scheme:

The utility model provides a circulating water intelligence dosing device, includes first, second, third, dosing mouth second and PLC switch board, first, second, third, the external structure shape of dosing case is the same completely, first top of dosing case is provided with agitator motor, agitator motor transmission shaft pierces into first the inside of dosing case and is connected with the drive of stirring impeller, the feed inlet has been seted up to the agitator motor next door, first bottom of dosing case is pierced into the inside and is provided with level sensor, and first lateral wall of dosing case is provided with the liquid level indication, and the discharge gate has been seted up to first bottom of dosing case, the discharge gate respectively with branch pipe first, branch pipe second, branch pipe third be connected and respectively with measuring pump, branch pipe second, three respective inlet connection of measuring pump through the hose, measuring pump second, branch pipe third respectively export is connected with branch pipe fourth, branch pipe five, branch pipe six respectively with dosing main pipe first and dosing main pipe second be connected correspondingly, dosing first and dosing mouth intercommunication, dosing mouth second dosing main pipe intercommunication.

As a preferable technical scheme of the utility model, the first branch pipe, the second branch pipe and the third branch pipe are sequentially provided with check valves and filters.

As a preferable technical scheme of the utility model, the branch pipes four, five and six are respectively provided with a pulse buffer, a back pressure valve, a check valve and a stop valve in sequence, and the top of the pulse buffer is connected with a pressure gauge.

As a preferable technical scheme of the utility model, a sewage pump is further arranged at the discharge hole.

As a preferable technical scheme of the utility model, the first metering pump, the second metering pump and the third metering pump are respectively connected with a motor of the metering pump.

As a preferable technical scheme of the utility model, the PLC control cabinet is electrically connected with the stirring motor, the liquid level sensor, the pump metering I, the metering pump II, the metering pump III, the metering pump motor, the sewage pump, the stop valve, the back pressure valve, the check valve, the pulse buffer, the pressure gauge and the liquid level indication respectively.

As a preferable technical scheme of the utility model, the PLC control cabinet monitors the chloride ion content and the pH value in the circulating water in real time.

As a preferable technical scheme of the utility model, a stripping agent is added into the first medicine box, a bactericide is added into the second medicine box, and a scale inhibitor is added into the third medicine box.

The beneficial effects of the utility model are as follows:

According to the utility model, the PLC control cabinet monitors the chloride ion content and the pH value in the circulating water in real time, monitors the liquid level of the medicine amount in each medicine box in real time, and monitors the pipeline pressure on the corresponding pipeline of each medicine box, when the chloride ion content and the pH value in the circulating water exceed the preset values of the PLC control cabinet, the PLC control cabinet starts the stirring motor, the pump metering first, the metering pump second, the metering pump third, the metering pump motor, the stop valve, the back pressure valve, the check valve and the pulse buffer to automatically charge the circulating water, and when the chloride ion content and the pH value are recovered below the normal value, the PLC control cabinet alarms and reminds to charge the circulating water when the liquid level value of the medicine box is too low, and when the pipeline pressure value is too low, the PLC control cabinet increases the starting number of the metering pump, so that the medicine amount of the circulating water is increased, otherwise, the starting number of the metering pump is reduced, and more economical and intelligent medicine charging are achieved.

Drawings

FIG. 1 is a diagram of an intelligent dosing system of the present utility model;

fig. 2 is an electrical connection diagram of the PLC control cabinet of the present utility model.

The symbols in the drawings illustrate:

1: medicine chest one, 2: medicine chest two, 3: third medicine chest, 4: dosing port one, 5: dosing port two, 6: dosing manifold one, 7: dosing manifold two, 8: discharge gate, 9: stirring motor, 10: PLC switch board, 11: metering pump one, 12: metering pump two, 13: metering pumps three, 14: branch pipe one, 15: branch pipe two, 16: branch pipes three, 17: branch pipes four, 18: branch pipes five, 19: branch pipes six, 20: sewage pump, 21: shut-off valve, 22: filter, 23: back pressure valve, 24: check valve, 25: pulse buffer, 26: pressure gauge, 27: hose, 28: metering pump motor, 29: level sensor, 30: liquid level indication, 31: feed inlet, 32: an impeller.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings.

In the embodiments, it should be understood that the orientation or positional relationship indicated by the terms "middle," "upper," "lower," "top," "bottom," "right," "left," "above," "below," "back," "front," "middle," "outside," "inside," etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present embodiments, and are not intended to indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present embodiments.

As shown in figures 1 to 2, the circulating water intelligent dosing device comprises a first dosing tank 1, a second dosing tank 2, a third dosing tank 3, a first dosing port 4, a second dosing port 5 and a PLC control cabinet 10, wherein the first dosing tank 1, the second dosing tank 2 and the third dosing tank 3 are different in other inner and outer structures except for the added liquid medicine, the shapes of the other inner and outer structures are completely identical, the top of the first dosing tank 1 is provided with a stirring motor 9, a transmission shaft of the stirring motor 9 penetrates into the first dosing tank 1 and is in transmission connection with a stirring impeller 32, a feeding port 31 is formed beside the stirring motor 9, the bottom of the first dosing tank 1 penetrates into the first dosing tank, a liquid level sensor 29 is arranged in the outer side wall of the first dosing tank 1, a liquid level indication 30 is arranged on the bottom of the first dosing tank 1, a metering pump 8 is respectively connected with a first metering pump 14, a second metering pump 15 and a third metering pump 16 through hoses 27, and respectively connected with inlets of the first 11, the second 12 and the third 13 through hoses 27, respectively, the first 11, the third 12 and the third 13 are respectively connected with a first dosing pump 18, the third 13 through four branch pipes 17, the fourth branch pipes 17, the sixth dosing pump 17 and the third 13 are respectively connected with the first dosing pump 6, the first dosing pump and the second dosing pump 6 and the first dosing pump 6 and the third dosing pump 6 and the first dosing pump 6 and the second dosing pump 6 and the first dosing pump 6 and the third dosing pump 6 are correspondingly connected with the first dosing pump 18 and the first dosing pump and the first dosing tank and the second dosing tank 6 and the first dosing tank and the 18.

Further, the first branch pipe 14, the second branch pipe 15 and the third branch pipe 16 are sequentially provided with a check valve 24 and a filter 22, the check valve 24 ensures that the liquid medicine can only flow in one direction, the backflow phenomenon is prevented, and the filter 22 can filter liquid medicine impurities.

Further, the fourth branch pipe 17, the fifth branch pipe 18 and the sixth branch pipe 19 are respectively and sequentially provided with a pulse buffer 25, a back pressure valve 23, a check valve 24 and a stop valve 21, the top of the pulse buffer 25 is connected with a pressure gauge 26, the pulse buffer 25 can eliminate liquid pressure pulsation or flow pulsation in a pipeline, and can play roles in stabilizing the pressure and flow of the fluid, eliminating vibration of the pipeline, protecting downstream instruments and equipment, increasing the volumetric efficiency of the pump and the like, and the pressure gauge 26 connected with the pulse buffer can display the change of the liquid pressure in the pipeline in real time and feed back the change to the upper surface of a PLC control cabinet.

Further, a sewage pump 20 is further arranged at the discharging hole 8.

Further, the first metering pump 11, the second metering pump 12 and the third metering pump 13 are respectively connected with the metering pump motor 28, and any two metering pumps are normally used as working pumps together with the metering pump motor, and the rest one metering pump is used as a standby pump together with the metering pump motor.

Further, the PLC control cabinet 10 is electrically connected with the stirring motor 9, the liquid level sensor 29, the first metering pump 11, the second metering pump 12, the third metering pump 13, the metering pump motor 28, the sewage pump 20, the stop valve 21, the back pressure valve 23, the check valve 24, the pulse buffer 25, the pressure gauge 26 and the liquid level indicator 30, respectively.

Further, the PLC control cabinet 10 monitors the chloride ion content and the pH value in the circulating water in real time.

Further, the stripping agent is added into the first medicine box 1, the bactericide is added into the second medicine box 2, the scale inhibitor is added into the third medicine box 3, and as the medicines of each medicine box enter the medicine boxes from the feeding hole 31 and then come out from the discharging hole 8, and finally reach the first medicine adding hole 4 and the second medicine adding hole 5 through three metering pumps, the pipeline is completely the same, so that the stripping agent, the bactericide and the scale inhibitor are arbitrarily placed in each medicine box, and only two or three of the medicines are not placed in one medicine box.

The utility model uses the principle that:

the PLC control cabinet 10 monitors the chloride ion content and the pH value in the circulating water in real time, the PLC control cabinet 10 also monitors the liquid level of the medicine amount in each medicine box in real time, and the pipeline pressure on the corresponding pipeline of each medicine box, when the chloride ion content and the pH value in the circulating water exceed the preset values of the PLC control cabinet, the stirring motor 9, the pump metering one 11, the metering pump two 12, the metering pump three 13, the metering pump motor 28, the stop valve 21, the back pressure valve 23, the check valve 24 and the pulse buffer 25 are started through the PLC control cabinet, the circulating water is automatically dosed, and when the chloride ion content and the pH value are lower than the normal value, the PLC control cabinet alarms and reminds to dose when the liquid level value of the medicine box is too low, and when the pipeline pressure value is too low, the PLC control cabinet increases the starting quantity of the metering pump, improves the dosing amount of the circulating water, otherwise reduces the starting quantity of the metering pump, and achieves more economical dosing operation effect and more intelligent dosing.

Finally, it should be noted that: these embodiments are merely for illustrating the present utility model and do not limit the scope of the present utility model. Further, various other changes and modifications will be apparent to those skilled in the art from the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides a circulating water intelligence dosing device, includes first (1) of medical kit, second (2) of medical kit, third (3) of medical kit, adds medicine mouth first (4), adds medicine mouth second (5) and PLC switch board (10), its characterized in that: the shape of the internal and external structures of the first medicine box (1), the second medicine box (2) and the third medicine box (3) are completely the same, the top of the first medicine box (1) is provided with a stirring motor (9), a transmission shaft of the stirring motor (9) penetrates into the first medicine box (1) to be in transmission connection with a stirring impeller (32), a feeding hole (31) is formed beside the stirring motor (9), a liquid level sensor (29) is arranged in the bottom of the first medicine box (1), the outer side wall of the first medicine box (1) is provided with a liquid level indicator (30), the bottom of the first medicine box (1) is provided with a discharging hole (8), the discharging hole (8) is respectively connected with a first branch pipe (14), a second branch pipe (15) and a third branch pipe (16) and is respectively connected with a first metering pump (11), a second metering pump (12) and a third metering pump (13) through hoses (27), the first metering pump (11), the second metering pump (12) and the third metering pump are respectively connected with a fourth branch pipe (17), a fifth branch pipe (19) and a sixth branch pipe (19) through hoses (27) respectively in a corresponding connection, the fourth branch pipe (17), the fifth branch pipe (17), the sixth branch pipe (19) and the third metering pump (19) are respectively connected with a main pipe (6), the first dosing main pipe (6) is communicated with the first dosing port (4), and the second dosing main pipe (7) is communicated with the second dosing port (5).

2. The circulating water intelligent dosing device according to claim 1, wherein: the branch pipe I (14), the branch pipe II (15) and the branch pipe III (16) are sequentially provided with a check valve (24) and a filter (22).

3. The circulating water intelligent dosing device according to claim 1, wherein: the pulse buffer device is characterized in that a pulse buffer (25), a back pressure valve (23), a check valve (24) and a stop valve (21) are sequentially arranged on the fourth branch pipe (17), the fifth branch pipe (18) and the sixth branch pipe (19) respectively, and the top of the pulse buffer (25) is connected with a pressure gauge (26).

4. The circulating water intelligent dosing device according to claim 1, wherein: and a sewage pump (20) is further arranged at the discharge hole (8).

5. The circulating water intelligent dosing device according to claim 1, wherein: the metering pump I (11), the metering pump II (12) and the metering pump III (13) are respectively connected with a metering pump motor (28).

6. The circulating water intelligent dosing device according to claim 1, wherein: the PLC control cabinet (10) is electrically connected with the stirring motor (9), the liquid level sensor (29), the first metering pump (11), the second metering pump (12), the third metering pump (13), the metering pump motor (28), the sewage pump (20), the stop valve (21), the back pressure valve (23), the check valve (24), the pulse buffer (25), the pressure gauge (26) and the liquid level indicator (30) respectively.

7. The intelligent circulating water dosing device according to claim 6, wherein: the PLC control cabinet (10) monitors the chloride ion content and the pH value in the circulating water in real time.

8. The circulating water intelligent dosing device according to claim 1, wherein: the stripping agent is added into the first medicine box (1), the sterilizing agent is added into the second medicine box (2), and the scale inhibitor is added into the third medicine box (3).