PAM three-groove medicine supply machine for sewage treatment

By designing a three-tank PAM dispensing machine, the problem of PAM powder clumping during preparation was solved, and automated dissolution and stirring were achieved, ensuring stable drug concentration and improving wastewater treatment efficiency.

CN223846833UActive Publication Date: 2026-01-30JIANGSU YEGEER ENVIRONMENTAL PROTECTION ENG CO LTD
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Patent Information

Application Number
CN202520448407.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-30
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

In existing technologies, PAM powder tends to clump together during preparation, making it difficult to automate dissolution and dosing, which in turn makes it challenging to automatically prepare coagulant solutions.

Method used

A three-tank PAM (Polymethyl methacrylate) dosing machine for wastewater treatment was designed, including a dissolving tank, a maturation tank, and a storage tank. It is equipped with an independent mixer and a level gauge, and combined with a dry powder dosing machine, a metering pump, and a water replenishment system to achieve automated control of the concentration and quantitative addition of the solution.

Benefits of technology

The automated dissolution and stirring of PAM solution was achieved, preventing clumping, ensuring stable solution concentration, and improving automation and preparation efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223846833U_ABST
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Abstract

The utility model discloses a PAM three-groove medicine supply machine for sewage treatment, which comprises a medicine box, a dry powder adding machine and a medicine outlet pipe, the inside of the medicine box is divided into a medicine dissolving groove, a medicine curing groove and a medicine storage groove, and the medicine box is provided with stirrers corresponding to the medicine dissolving groove, the medicine curing groove and the medicine storage groove. A liquid level meter located above the agent storage tank is installed on the agent box, the dry powder adding machine is installed on the upper surface of the agent box, the dry powder adding machine is communicated with the agent dissolving tank, the dry powder adding machine is provided with a material level meter, and the agent outlet pipe is communicated with the agent dissolving tank, the agent curing tank and the agent storage tank; the liquid level meter detects the liquid medicine level in the medicine box, when the liquid medicine level is lower than a threshold value, the spiral feeder automatically feeds PAM powder into the medicine box, the metering pump feeds water into the medicine box, the stirring machine stirs the water and the PAM powder, the medicine dissolving tank, the medicine curing tank and the medicine storage tank are provided with three stirring machines for independent stirring, and PAM powder caking is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PAM solution preparation technical field, specifically to a sewage treatment's PAM three tank medicine supply machine. BACKGROUND

[0002] PAM solution has an important role in sewage treatment. Through reasonable preparation, storage and use method, and the combined strategy with other medicaments, the flocculation effect of PAM solution can be fully played, and the efficiency and quality of sewage treatment can be improved.

[0003] In the related art, the most commonly used preparation method of PAM solution is to weigh a certain amount of PAM powder, add an appropriate amount of water into the dissolving tank, and start the stirrer. Such PAM solution preparation is prone to PAM powder agglomeration problem and is difficult to fully dissolve. The preparation of PAM solution relies on manual participation, and it is difficult to realize the functions of automatic addition of powdery coagulant, automatic preparation of coagulant solution, and automatic dosing. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a sewage treatment's PAM three tank medicine supply machine to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a sewage treatment's PAM three tank medicine supply machine, including a medicine box, the medicine box is divided into a medicament dissolving tank, a medicament curing tank and a medicament storage tank, which helps PAM medicine concentration gradually reach a constant concentration standard, the medicine box is provided with a corresponding stirrer for the medicament dissolving tank, the medicament curing tank and the medicament storage tank, and the PAM medicine powder is prevented from agglomeration by separate stirring.

[0006] The dry powder feeding machine is installed on the upper surface of the medicine box and is in communication with the medicament dissolving tank, and the dry powder feeding machine is provided with a material level meter, which can timely find the lack of PAM medicine powder and notify the staff to supplement the PAM medicine powder, thereby having the function of automatic alarm.

[0007] The medicine outlet pipe is in communication with the medicament dissolving tank, the medicament curing tank and the medicament storage tank, and is connected with three double ball valves, and is connected with a tubular filter and two metering pumps.

[0008] Further, the medicine box is connected with a double-way water supplement pipe group, which realizes automatic and manual water supplement of the medicine box, the double-way water supplement pipe group comprises a water supplement pipe, and the water supplement pipe is provided with an electromagnetic valve, the water supplement pipe is connected with an n-shaped pipe, and the n-shaped pipe is located at the left and right sides of the electromagnetic valve, and the n-shaped pipe is also provided with double-way ball valves, when the electromagnetic valve fails, the double-way ball valves can be used temporarily to supply water for the medicine box, and the use of the medicine supply machine is not affected.

[0009] Further, the water supplement pipe is connected with a rotor flowmeter, which can calculate the water supplement amount in the medicine box, so that the PAM liquid concentration is automatically controlled.

[0010] Further, the right end of the medicine outlet pipe is communicated with a T-shaped vent pipe, the T-shaped vent pipe is connected with the medicine outlet pipe and the medicine dissolving tank through two double-way ball valves, and when it is needed to clean the medicine box, sewage can be discharged through the T-shaped vent pipe.

[0011] Further, the medicine box is provided with maintenance cover plates corresponding to the medicine dissolving tank, the medicine curing tank and the medicine storage tank, when it is needed to clean the mixer and the medicine box, the maintenance cover plates can be opened to facilitate cleaning.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The liquid level meter detects the liquid level in the medicine box, when the liquid level is lower than the threshold value, the spiral feeder automatically sends PAM powder into the medicine box, the metering pump sends water into the medicine box, and the mixer agitates water and PAM powder, three mixers are provided in the medicine dissolving tank, the medicine curing tank and the medicine storage tank to agitate separately, so that PAM powder agglomeration is prevented.

[0014] (2) The dry powder feeding machine quantitatively sends PAM powder into the medicine box through the spiral feeder, the metering pump can be used to send the quantitative water into the medicine box through the water supplement pipe, the water consumption and the medicine consumption are controlled, and precise PAM liquid proportioning is realized.

[0015] (3) The material level meter detects the residual amount of PAM powder, signals are sent when the PAM powder is low, and the electromagnetic valve and the metering pump are closed, so that large deviation of the PAM liquid concentration is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the utility model;

[0017] Figure 2 It is a left view of the utility model;

[0018] Figure 3 It is a top view of the utility model.

[0019] In the figure: 1, agitator; 2, medicine box; 3, dry powder feeding machine; 6, double ball valve; 8, pipe support; 9, channel steel base; 13, maintenance cover plate; 20, electromagnetic valve; 24, rotor flowmeter; 29, water supply pipe; 30, n-shaped pipe; 31, spiral feeder; 32, medicine outlet pipe; 33, material level meter; 34, liquid level meter; 35, T-shaped vent pipe. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment:

[0022] Please refer to Figures 1-3 The present application provides a technical solution: a PAM three-tank medicine supply machine for sewage treatment, comprising a medicine box 2, wherein the medicine box 2 is internally partitioned into a medicine dissolving tank, a medicine curing tank and a medicine storage tank, the internal space of the medicine box 2 is divided by an overflow weir plate to ensure the optimal reaction time and constant concentration in each tank, the medicine box 2 is installed with agitators 1 corresponding to the medicine dissolving tank, the medicine curing tank and the medicine storage tank, the agitators 1 work independently to ensure step-by-step mixing of PAM liquid medicine, effectively prevent PAM powder from forming clumps, and help the PAM medicine concentration gradually reach the constant concentration standard, and the medicine box 2 is installed with a liquid level meter 34 located above the medicine storage tank to enable real-time detection of PAM liquid medicine and automatic starting of the medicine supply machine when the liquid level is low;

[0023] A dry powder feeding machine 3 is installed on the upper surface of the medicine box 2 and is in communication with the medicine dissolving tank, the dry powder feeding machine 3 automatically feeds PAM powder into the medicine box 2 to control the amount of medicine, and the dry powder feeding machine 3 is installed with a material level meter 33, which sends a signal to stop the operation of the water feeding metering pump and the electromagnetic valve 20 when the PAM powder is below the preset position during the feeding of PAM powder by the dry powder feeding machine 3, so as to supplement the PAM powder and continue to prepare PAM liquid medicine.

[0024] A medicine outlet pipe 32 is in communication with the medicine dissolving tank, the medicine curing tank and the medicine storage tank, and is connected with three double ball valves 6, the medicine outlet pipe 32 is connected with a tubular filter, and the tubular filter is connected with two metering pumps, the tubular filter prevents large-particle solid substances from entering the metering pumps to damage them.

[0025] In the embodiment, as Figure 1As shown, the medicine box 2 is connected with double-way water supplement pipe 29 group, realizing automatic and manual water supplement of medicine box 2, and manual water supplement can be used for emergency water supplement, and when automatic water supplement function fails, the use of medicine supply machine will not be affected.

[0026] In the embodiment, as shown in Figure 1 The double-way water supplement pipe 29 group includes water supplement pipe 29, and the water supplement pipe 29 is installed with electromagnetic valve 20, the water supplement pipe 29 is connected with n-shaped pipe 30, and the n-shaped pipe 30 is located at the left and right sides of the electromagnetic valve 20, and the n-shaped pipe 30 is also installed with double-way ball valve 6, and the electromagnetic valve 20 is normally closed, and the electromagnetic valve 20 is opened during water supplement, and if the electromagnetic valve 20 is damaged, the double-way ball valve 6 is opened to manually supplement water.

[0027] In the embodiment, as shown in Figure 1 The water supplement pipe 29 is connected with rotor flowmeter 24, which can calculate the water inflow in the medicine box 2, so that excessive water cannot enter the medicine box 2, and the PAM liquid concentration can be controlled.

[0028] In the embodiment, as shown in Figure 1 The dry powder adding machine 3 is provided with screw feeder 31, and by setting the rotating speed of the screw feeder 31, the PAM powder can be added according to requirements.

[0029] In the embodiment, as shown in Figure 1 And Figure 3 The right end of the medicine outlet pipe 32 is communicated with T-shaped vent pipe 35, the T-shaped vent pipe 35 is connected with the medicine outlet pipe 32 and the medicine dissolving tank through two double-way ball valves 6, when the mixer 1 and the medicine box 2 need to be cleaned, the waste water of cleaning is discharged through the T-shaped vent pipe 35, the T-shaped vent pipe 35 is provided with overflow function, and the overflow of PAM liquid is discharged through the T-shaped vent pipe 35.

[0030] In the embodiment, as shown in Figure 3 The bottom of the medicine box 2 is connected with channel steel base 9, and the channel steel base 9 is provided with receiving disc, so that when the PAM liquid leaks, the PAM liquid can be prevented from dropping to the ground.

[0031] In the embodiment, as shown in Figure 3 A plurality of pipe supports 8 are sleeved on the water supplement pipe 29, and the pipe supports 8 are connected with the channel steel, so that the water supplement pipe 29 will not be bent and deformed, and the service life is long.

[0032] In the embodiment, as shown in Figure 3 The medicine box 2 is installed with maintenance cover plate 13 corresponding to the medicine dissolving tank, the medicine curing tank and the medicine storage tank, and when the maintenance cover plate 13 is opened, the medicine dissolving tank, the medicine curing tank and the medicine storage tank can be cleaned.

[0033] Specifically, in use, N1 is the water inlet, N2 is the vent, N3 is the overflow of the medicament dissolving tank, N4 is the medicament outlet of the medicament dissolving tank, N5 is the medicament outlet of the medicament ripening tank, N6 is the medicament outlet of the medicament storage tank, and N7 is the medicament outlet.

[0034] The PAM powder is put into the dry powder feeding machine 3, the liquid level meter 34 detects the liquid level in the medicament storage tank, when the liquid level is not up to the standard, the electromagnetic valve 20 is opened, the water feeding metering pump works, the screw feeder 31 works, and the mixer 1 works, the rotor flow meter 24 calculates the water inlet quantity of the medicament tank 2, the screw feeder 31 quantitatively feeds the PAM powder, the mixer 1 mixes in the medicament dissolving tank to form PAM liquid, the PAM liquid then flows into the medicament ripening tank to be stirred, and finally the liquid flows into the medicament storage tank to be stirred, so that the PAM liquid is fully mixed and uniform, and the problem of agglomeration is not prone to occur, the liquid level meter 34 detects that the liquid level in the medicament storage tank reaches the standard, and the medicament feeding machine stops working, so that the automatic operation of the medicament feeding machine is realized.

[0035] When the screw feeder 31 feeds the powder, the material level meter 33 detects the remaining amount of the PAM powder, if the PAM powder is insufficient, the medicament feeding machine stops working, so that the concentration of the PAM liquid is not up to the standard, the PAM powder is added into the dry powder feeding machine 3, and then the medicament feeding machine continues to work, and then the PAM liquid is produced.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A PAM three-tank dosing machine for sewage treatment, characterized in that, It includes: Medicine box (2), the medicine box (2) is divided into medicine dissolving groove, medicine curing groove, medicine storage groove, and the medicine box (2) is installed with the corresponding mixer (1) of medicine dissolving groove, medicine curing groove, medicine storage groove, the liquid level meter (34) is installed above the medicine storage groove on the medicine box (2); Dry powder adding machine (3), the dry powder adding machine (3) is installed to the upper surface of medicine box (2), and the dry powder adding machine (3) is communicated with medicine dissolving groove, the dry powder adding machine (3) is installed with material level meter (33); Medicine outlet pipe (32), the medicine outlet pipe (32) is communicated with medicine dissolving groove, medicine curing groove, medicine storage groove, and the medicine outlet pipe (32) is connected with three double ball valves (6), the medicine outlet pipe (32) is connected with pipe filter, and the pipe filter is connected with two metering pumps.

2. The PAM three-tank dosing machine for sewage treatment according to claim 1, characterized in that: The medicine box (2) is connected with double-way water supplement pipe (29) group, realizes the automatic and manual water supplement of medicine box (2).

3. The PAM three-tank dosing machine for sewage treatment according to claim 2, characterized in that: The double-way water supplement pipe (29) group includes water supplement pipe (29), and the water supplement pipe (29) is installed with electromagnetic valve (20), the water supplement pipe (29) is connected with n-shaped pipe (30), and the both ends of n-shaped pipe (30) are located on the left and right sides of electromagnetic valve (20), and the n-shaped pipe (30) is also installed with double ball valve (6).

4. The PAM three-tank dosing machine for sewage treatment according to claim 3, characterized in that: The water supplement pipe (29) is connected with rotor flowmeter (24).

5. The PAM three-tank dosing machine for sewage treatment according to claim 1, characterized in that: The dry powder adding machine (3) is provided with screw feeder (31).

6. The PAM three-tank dosing machine for sewage treatment according to claim 1, characterized in that: The right end of the medicine outlet pipe (32) is communicated with T-shaped vent pipe (35), the T-shaped vent pipe (35) is connected with medicine outlet pipe (32) and medicine dissolving groove through two double ball valves (6).

7. The PAM three-tank dosing machine for sewage treatment according to claim 3, characterized in that: The medicine box (2) is connected with channel steel base (9) below, the channel steel base (9) is provided with receiving disc.

8. The PAM three-tank dosing machine for sewage treatment according to claim 7, characterized in that: The water supplement pipe (29) is sleeved with several pipe supports (8), and the pipe support (8) is connected with channel steel.

9. The PAM three-tank dosing machine for sewage treatment according to claim 1, characterized in that: The medicine box (2) is installed with the corresponding maintenance cover plate (13) of medicine dissolving groove, medicine curing groove, medicine storage groove.