CN215828615U

CN215828615U - Automatic dosing device for sludge dewatering

Info

Publication number: CN215828615U
Application number: CN202122453592.0U
Authority: CN
Inventors: 邱晓青; 曹达成; 熊黎; 何沛秋
Original assignee: Yuefeng Covey Environmental Investment Guangdong Co ltd
Current assignee: Yuefeng Covey Environmental Investment Guangdong Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-02-15
Anticipated expiration: 2031-10-12

Abstract

The utility model relates to an automatic dosing device for sludge dewatering, which comprises a box body, a liquid dosing system, a dry powder dosing system, a solution stirring system and an electric cabinet, wherein the box body comprises a mixing cavity, a mixing cavity and a storage cavity, a liquid level meter is arranged in the storage cavity, the dry powder dosing system comprises a premixer, a spiral feeder, a dry powder bin and a feeding motor, the premixer is arranged at the top of the box body and connected with the dry powder bin through the spiral feeder, the feeding motor is in transmission connection with the input end of the spiral feeder, the premixer and the box body are all connected with the liquid dosing system, and the feeding motor, the liquid dosing system and the solution stirring system are all electrically connected with the electric cabinet. The automatic chemical feeding device is beneficial to reducing the workload of manpower during sludge dewatering, has high automatic chemical feeding efficiency, and simultaneously ensures that the sludge dewatering can play a good role.

Description

Automatic dosing device for sludge dewatering

Technical Field

The utility model relates to the technical field of sludge dewatering treatment, in particular to an automatic dosing device for sludge dewatering.

Background

The PAM preparation device for sludge dewatering at present is used for manual in-situ dosage, the automation degree is low, special persons are needed to add medicaments regularly, the labor force is wasted, the manual medicament addition cannot be accurately carried out, the treatment effect is unstable, and the medicament waste amount is large; because the medicines are dispensed more frequently and the consumed time is longer, the medicines are easy to agglomerate after being stored for a long time, the medicine adding pipeline or the pump is blocked, and the sludge dewatering effect is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an automatic dosing device for sludge dewatering.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a sludge dewatering automatic reagent feeding device, the power distribution box comprises a box body, liquid dosing system, dry powder dosing system, solution mixing system and electric cabinet, the box includes the hybrid chamber, mix the chamber and store the chamber, it is provided with the level gauge to store the intracavity, dry powder dosing system is including setting up in the premixer at box top, the screw feeder, dry powder storehouse and feeding motor, be connected through the screw feeder between premixer and the dry powder storehouse, feeding motor is connected with the input transmission of screw feeder, premixer and box all are connected with liquid dosing system, feeding motor, liquid dosing system, solution mixing system all with electric cabinet electric connection.

Preferably, the bin wall of the dry powder bin is of a double-layer structure, and the heating wires are arranged in the inner interlayer and the outer interlayer.

Preferably, the liquid adding system comprises a main water inlet pipe, a first flowmeter is arranged on the main water inlet pipe, the outlet end of the first flowmeter is connected with a first water inlet branch pipe and a second water inlet branch pipe in parallel, the outlet end of the first water inlet branch pipe is communicated with the box body, the outlet end of the second water inlet branch pipe is communicated with the premixer, and water inlet control valves are arranged on the first water inlet branch pipe and the second water inlet branch pipe.

Preferably, the upper part of the outer side wall of the storage cavity is communicated with an overflow pipe, the bottom of the outer side wall of the storage cavity is communicated with a water outlet pipe, and a water outlet control valve and a second flowmeter are sequentially arranged on the water outlet pipe.

Preferably, the solution stirring system comprises three stirring motors, the three stirring motors are respectively arranged above the mixing cavity, the mixing cavity and the storage cavity, and the output end of each stirring motor is connected with a stirring shaft.

Compared with the prior art, the utility model has the beneficial effects that: the box body of the automatic liquid medicine dosing box adopts a three-cavity structure, the liquid level meter is arranged in the storage cavity, the metering of liquid medicine in the whole dosing box is monitored, the automatic start and stop of the electric cabinet are realized, the automatic liquid medicine dosing box continuously operates, the automation is realized, and the operation difficulty and the labor cost are reduced.

Drawings

The utility model is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the utility model, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.

FIG. 1 is a schematic structural view of an automatic chemical feeding device for sludge dewatering according to an embodiment of the present invention.

FIG. 2 is a schematic structural view of a tank and a solution stirring system in the automatic dosing device for sludge dewatering according to the embodiment of the utility model.

The reference numbers shown in the figures denote: 1. a box body; 2. a water outlet pipe; 3. a main water inlet pipe; 4. a water outlet control valve; 5. a second flow meter; 6. a first flow meter; 7. a first water inlet branch pipe; 8. a water inlet control valve; 9. a second water inlet branch pipe; 10. a premixer; 11. a screw feeder; 12. a dry powder bin; 13. a feeding motor; 14. a stirring motor; 15. an electric cabinet; 16. an overflow pipe; 17. a stirring shaft; 18. a mixing chamber; 19. a mixing cavity; 20. a storage chamber; 21. a liquid level meter.

Detailed Description

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 2, the structure of the present invention is: an automatic dosing device for sludge dehydration comprises a box body 1, a liquid dosing system, a dry powder dosing system, a solution stirring system and an electric cabinet 15, wherein the box body 1 comprises a mixing cavity 18, a mixing cavity 19 and a storage cavity 20, a liquid level meter 21 is arranged in the storage cavity 20, the dry powder dosing system comprises a premixer 10 arranged at the top of the box body 1, a spiral feeder 11, a dry powder bin 12 and a feeding motor 13, the premixer 10 is connected with the dry powder bin 12 through the spiral feeder 11, the feeding motor 13 is in transmission connection with the input end of the spiral feeder 11, the premixer 10 and the box body 1 are both connected with the liquid dosing system, the feeding motor 13, the liquid dosing system and the solution stirring system are all electrically connected with the electric cabinet 15, the box body 1 adopts a three-cavity structure, the liquid level meter 21 is arranged in the storage cavity 20 at the same time, the metering of liquid medicine in the whole dosing box body 1 is monitored, and the automatic start and stop of the electric cabinet are realized, the device is enabled to continuously operate, when a medicine dissolving tank needs to be added with medicines, the gate of the dry powder bin 12 is opened, the dry powder medicines can be continuously sent into the premixer 10 to be mixed with water under the driving of the spiral feeder 11, finally, the solution in the premixer 10 is sent into the box body 1 to be stirred, and the solution is used in a matching mode through the box body 1, the liquid adding system, the dry powder adding system, the solution stirring system and the electric cabinet 15, so that the medicines are rapidly and uniformly dissolved in the whole working process, the concentration of the prepared solution is unchanged, automation is realized, and the operation difficulty and labor cost are reduced.

Further, the bulkhead of dry powder feed bin 12 is bilayer structure, and is provided with the heating wire in the interior outer intermediate layer, and the during operation resistance wire generates heat, heats the dry powder medicament in dry powder feed bin 12 to guarantee that the dry powder medicament is dry all the time, prevent that the dry powder medicament from absorbing damp and blockking up the export.

Further, the liquid adding system comprises a main water inlet pipe 3, a first flow meter 6 is arranged on the main water inlet pipe 3, the outlet end of the first flow meter 6 is connected with a first water inlet branch pipe 7 and a second water inlet branch pipe 9 in parallel, the outlet end of the first water inlet branch pipe 7 is communicated with the box body 1, the outlet end of the second water inlet branch pipe 9 is communicated with a pre-mixer 10, water inlet control valves 8 are arranged on the first water inlet branch pipe 7 and the second water inlet branch pipe 9, continuously supplying water through the main water inlet pipe 3, controlling and metering the water inflow through the first flow meter 6, and the water supply switches of the tank body 1 and the premixer 10 are respectively controlled by two water inlet control valves 8, when the liquid level in the box body 1 is too low, the water inlet control valve 8 is automatically opened to supply water, when the water level in the box body 1 reaches the highest liquid level, the two water inlet control valves 8 stop the water supply to the first and second water

inlet branch pipes

7 and 9.

Furthermore, the upper part of the outer side wall of the storage cavity 20 is communicated with an overflow pipe 16, the bottom of the outer side wall is communicated with a water outlet pipe 2, a water outlet control valve 4 and a second flow meter 5 are sequentially arranged on the water outlet pipe 2, liquid medicine is discharged through the water outlet pipe 2, and the amount of the discharged liquid medicine is accurately controlled through the matching of the water outlet control valve 4 and the second flow meter 5.

Further, solution mixing system includes three agitator motor 14, and three agitator motor 14 set up respectively in mixing chamber 18, the top of mixing chamber 19 and storage chamber 20, and the output of every agitator motor 14 all is connected with (mixing) shaft 17, stirs the liquid medicine through agitator motor 14, ensures that the medicament fully dissolves and liquid medicine concentration is even.

When the dry powder flocculant dosing device is used in sludge dewatering, a dry powder flocculant enters a premixer 10 from a spiral feeder 11 at the lower part of a dry powder bin 12 and is premixed with clear water, a moistened dry powder agent enters a mixing cavity 18, a homogenizing cavity 19 and a storage cavity 20 of a box body 1 to be diluted and mixed, and is prepared according to required concentration.

The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.

Claims

1. The utility model provides a sludge dewatering automatic reagent feeding device which characterized in that: comprises a box body (1), a liquid adding system, a dry powder adding system, a solution stirring system and an electric cabinet (15), the box body (1) comprises a mixing cavity (18), a mixing cavity (19) and a storage cavity (20), a liquid level meter (21) is arranged in the storage cavity (20), the dry powder feeding system comprises a premixer (10), a spiral feeder (11), a dry powder bin (12) and a feeding motor (13) which are arranged at the top of the box body (1), the premixer (10) is connected with the dry powder bin (12) through a screw feeder (11), the feeding motor (13) is in transmission connection with the input end of the spiral feeder (11), the premixer (10) and the box body (1) are both connected with a liquid adding system, the feeding motor (13), the liquid feeding system and the solution stirring system are all electrically connected with the electric cabinet (15).

2. The automatic dosing device for sludge dewatering according to claim 1, characterized in that: the wall of the dry powder bin (12) is of a double-layer structure, and heating wires are arranged in the inner interlayer and the outer interlayer.

3. The automatic dosing device for sludge dewatering according to claim 1, characterized in that: the liquid feeding system comprises a main water inlet pipe (3), a first flowmeter (6) is arranged on the main water inlet pipe (3), the outlet end of the first flowmeter (6) is connected with a first water inlet branch pipe (7) and a second water inlet branch pipe (9) in parallel, the outlet end of the first water inlet branch pipe (7) is communicated with the box body (1), the outlet end of the second water inlet branch pipe (9) is communicated with the pre-mixer (10), and water inlet control valves (8) are arranged on the first water inlet branch pipe (7) and the second water inlet branch pipe (9).

4. The automatic dosing device for sludge dewatering according to claim 1, characterized in that: the upper portion of the outer side wall of the storage cavity (20) is communicated with an overflow pipe (16), the bottom of the outer side wall of the storage cavity is communicated with a water outlet pipe (2), and a water outlet control valve (4) and a second flowmeter (5) are sequentially arranged on the water outlet pipe (2).

5. The automatic dosing device for sludge dewatering according to claim 1, characterized in that: solution mixing system includes three agitator motor (14), three agitator motor (14) set up respectively in mixing chamber (18), the top of mixing chamber (19) and storage chamber (20), every agitator motor's (14) output all is connected with (mixing) shaft (17).