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Device and method for preparing organic macromolecular coagulant

An organic polymer and coagulant technology, applied in the field of water treatment, can solve the problems of low efficiency, slow dissolution and mixing speed, and low degree of coagulant automation, and achieve simple device structure, shorten dissolution time, and good promotion value Effect

Inactive Publication Date: 2013-05-08
SUZHOU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the deficiencies in the prior art, the purpose of the present invention is to provide a device for preparing organic polymer coagulant, so as to solve the problems of low automation and low efficiency in the preparation of coagulant in the prior art
[0006] Another object of the present invention is to propose a method for preparing an organic polymer coagulant to solve the problems of slow dissolution and mixing speed and low efficiency when preparing the coagulant

Method used

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  • Device and method for preparing organic macromolecular coagulant
  • Device and method for preparing organic macromolecular coagulant
  • Device and method for preparing organic macromolecular coagulant

Examples

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Effect test

Embodiment 1

[0028] combined with figure 1 to attach image 3 As shown, a device for preparing an organic polymer coagulant includes a reactor 15, a swirl generator 8 and an agitator 9 are arranged in the pool body, and a motor 5 is arranged outside the upper end of the reaction pool 15, and the swirl generator 8 is connected between the mixer 9 and the motor 5; a dosing plate 7 is installed on the top of the swirl generator 8, and a baffle 6 is arranged around the dosing plate 7; a first jet 4a is provided inside the reactor 15 and the second injector 4b are respectively connected with the first solvent inlet 101 and the second solvent inlet 102 on both sides of the reactor 15; the lower end of the reactor 15 is provided with a drug outlet 103.

[0029] Preferably, the first solvent inlet 101 includes a first water inlet pipe 3a, a first valve 1a, and a first flow meter 2a connected in sequence, and the second solvent inlet 102 includes a second water inlet pipe 3b, a second flow meter c...

Embodiment 2

[0033] Taking the dewatering of silk spinning sludge as an example, the sewage treatment plant of a silk spinning factory in Kunshan has a sewage treatment scale of 2000t / d. The sludge in the concentration tank mainly comes from the primary sedimentation tank, regulating tank, contact oxidation tank and air flotation tank. Sludge dehydration uses organic polymer coagulant-polyacrylamide as the main agent, and the reactor is made of galvanized stainless steel plate structure with a thickness of 1.5mm and an effective volume of 0.6m 3, a week of galvanized stainless steel baffle with a thickness of 0.8mm, a piece of galvanized stainless steel dosing plate with a thickness of 0.8mm, and 2 circles of plastic diversion grooves with heights of 5mm, 3mm and 2mm respectively on the dosing board, 8 gaps are evenly set on each circle; there is one swirl generator in the reactor, one mixer, 20-400 rpm, power 2Kw, the water inlet pipe is made of DN25 galvanized steel pipe, and the drug out...

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Abstract

The invention discloses a device and a method for preparing an organic macromolecular coagulant. The device comprises a reactor, wherein the interior of the reactor is provided with a cyclone generator and a stirrer, the exterior of the upper end of the reactor is provided with a motor, and the cyclone generator is connected between the stirrer and the motor; a dosing plate is arranged on the upper part of the cyclone generator, and four sides of the dosing plate are provided with baffle plates; the interior of the reactor is also provided with a first ejector and a second ejector which are connected with a first solvent inlet and a second solvent inlet on two sides of the reactor respectively; and the bottom of the reactor is provided with a discharge hole. By using the vertical and horizontal mixing stirring actions of the cyclone generator and the stirrer, the dissolution time of the macromolecular coagulant is shortened, the waste of the macromolecular coagulant in the preparationprocess is reduced, and the subsequent sludge treatment cost is reduced; by controlling mass concentration and dosing quantity, excessive macromolecular coagulant residue in the subsequent sludge treatment is prevented, and secondary pollution to the environment is avoided; and the device and the method have good economic and social benefits.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a device and method for preparing an organic polymer coagulant. Background technique [0002] In order to improve the sludge dehydration rate, chemical conditioning is usually carried out before sludge dehydration. Organic polymer coagulant is a widely used sludge dehydration conditioning agent, which has the characteristics of small usage and obvious effect. However, organic polymer coagulants are usually produced and purchased in the form of powder, which is cheap and easy to transport. Since the preparation process of organic polymer coagulant agents in the past mainly relied on manual preparation, the dissolution and mixing speed was slow and the efficiency was low, and it was time-consuming and laborious to achieve a predetermined mass concentration. The phenomenon of sprinkling solid powder organic polymer coagulant in the concentration tank leads to high dosage of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/56B01F13/10B01F3/12B01F1/00
Inventor 李翠梅
Owner SUZHOU UNIV OF SCI & TECH