CN212198638U

CN212198638U - Dosing device in ammonium phosphate coolant liquid recovery treatment system

Info

Publication number: CN212198638U
Application number: CN201922136759.3U
Authority: CN
Inventors: 周华; 毛雪明; 张宝杰; 罗汉东; 凌华存; 王明龙
Original assignee: Jiangsu Huahui Environmental Protection Technology Co ltd
Current assignee: Jiangsu Huahui Environmental Protection Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-12-22
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a charge device among treatment system is retrieved to phosphorus ammonium coolant liquid, including reation kettle and dosing tank, reation kettle's top is connected with the feeder hopper, the dosing tank is connected through adding the medicine pipeline at the top of feeder hopper, a plurality of drainage plates form the drainage groove between the adjacent drainage plate in the reation kettle, be connected with first fixed plate, second fixed plate, third fixed plate on the feeder hopper inner wall, the quantity of second fixed plate is the twice of second fixed plate and sets up in first fixed plate below, the quantity of third fixed plate is the twice of second fixed plate and sets up in second fixed plate below, first fixed plate, second fixed plate and third fixed plate cross section are triangle-shaped, the bottom that adds the medicine pipeline is equipped with the switch valve shale shaker, the beneficial effects of the utility model are that: can realize the even addition and the automatic medicine that add of throwing the material.

Description

Dosing device in ammonium phosphate coolant liquid recovery treatment system

Technical Field

The utility model belongs to the technical field of waste water treatment, especially, relate to a charge device among ammonium phosphate coolant liquid recovery treatment system.

Background

In the production process of some fertilizer production enterprises, ammonium phosphate cooling liquid wastewater is generated, which is pH9.0-10.0, fluoride 50-110mg/L, ammonia nitrogen 200-400mg/L, total phosphorus 15-70mg/L, sulfate 450 mg/L, and water temperature 80-90 ℃. The chemical components of the wastewater are complex, the ammonium phosphate cooling liquid wastewater is generally purified by adopting a membrane concentration technology, pretreatment and physical filtration treatment are required before electrodialysis membrane concentration, wherein the pretreatment comprises a pretreatment system comprising a regulating water tank, a reaction kettle, a high-efficiency sedimentation tank, a pipeline mixer, an intermediate water tank and a cooler which are connected in sequence, adding calcium hydroxide into the wastewater for reaction, pumping the wastewater into a sedimentation tank for sedimentation treatment, adding flocculating agent, coagulant aid and other medicaments into the sedimentation tank to remove fluoride ions and phosphate ions, reacting with calcium ions to generate sediments, wherein, for the flocculating agent, the coagulant aid and other medicaments, the dosing device in the prior art has low integration degree, and manual dosing is mostly adopted, and the manual dosing needs to be put in many times, which is troublesome, and the dosing is uneven, which affects the use effect of the flocculating agent.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough, the utility model provides a charge device among ammonium phosphate coolant liquid recovery treatment system can realize throwing the even joining and the automatic medicine that adds of material.

The utility model discloses a realize through following technical scheme: a dosing device in an ammonium phosphate cooling liquid recycling treatment system comprises a reaction kettle and a dosing tank, wherein the top of the reaction kettle is connected with a feeding hopper, the top of the feeding hopper is connected with the dosing tank through a dosing pipeline, a plurality of drainage plates in the reaction kettle form drainage grooves between adjacent drainage plates, a first fixed plate, a second fixed plate and a third fixed plate are connected onto the inner wall of the feeding hopper, the number of the second fixed plates is twice that of the second fixed plates and are arranged below the first fixed plate, the number of the third fixed plates is twice that of the second fixed plates and are arranged below the second fixed plates, the cross sections of the first fixed plates, the second fixed plates and the third fixed plates are triangular, the left side of the dosing tank is connected with a dehumidifier through an exhaust pipeline, a first driving motor is arranged on the right side of the dosing tank, and a first stirring shaft connected with an output shaft of the first driving motor is arranged in the dosing tank, the first stirring shaft is provided with spiral stirring blades, and the bottom end of the dosing pipeline is provided with a switch valve vibrating screen.

As the utility model discloses a preferred technical scheme, the reation kettle bottom is equipped with second driving motor, the reation kettle inner chamber is equipped with the second (mixing) shaft of taking the stirring thick liquid, the bottom of second (mixing) shaft is connected with the output shaft of second motor.

As a preferred technical scheme of the utility model, reation kettle left side upper portion is connected with charge-in pipeline, reation kettle right side sub-unit connection has ejection of compact pipeline, the last control valve that is equipped with of ejection of compact pipeline.

As an optimal technical scheme of the utility model, be equipped with the non-stick coating on the drainage plate.

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

(1) the utility model has the advantages that the arranged first fixing plate, the second fixing plate and the third fixing plate play the role of distributing the flocculating agent as much as possible and relatively dispersing the flocculating agent uniformly, and the flocculating agent which is distributed uniformly is drained and limited by the drainage plate and the drainage groove, so that the raw material can fall into the reaction kettle in a uniformly dispersed manner to a great extent;

(2) the spiral stirring blades are arranged in the dosing box, so that fed materials in the dosing box are fully stirred and mixed, and the dehumidifier can keep the inside of the dosing box dry and prevent the flocculating agent from being wetted and adhered to the dosing box.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

List of reference numerals: 1. a reaction kettle; 2. a dosing box; 3. a feed hopper; 4. a dosing pipeline; 5. a drainage plate; 6. a drainage groove; 7. a first fixing plate; 8. a second fixing plate; 9. a third fixing plate; 10. an exhaust duct; 11. a dehumidifier; 12. a first drive motor; 13. a first stirring shaft; 14. a stirring blade; 15. vibrating screen; 16. a second drive motor; 17. stirring the slurry; 18. a second stirring shaft; 19. a feed conduit; 20. a discharge pipeline; 21. and (4) controlling the valve.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in figure 1, the dosing device in the ammonium phosphate cooling liquid recycling and treating system comprises a reaction kettle 1 and a dosing tank 2, wherein the top of the reaction kettle 1 is connected with a feeding hopper 3, the top of the feeding hopper 3 is connected with the dosing tank 2 through a dosing pipeline 4, a plurality of drainage plates 5 are arranged in the reaction kettle 1, a drainage groove 6 is formed between every two adjacent drainage plates 5, the inner wall of the feeding hopper 3 is connected with a first fixing plate 7, a second fixing plate 8 and a third fixing plate 9, the number of the second fixing plates 8 is twice that of the first fixing plate 7 and is arranged below the first fixing plate 7, the number of the third fixing plates 9 is twice that of the second fixing plates 8 and is arranged below the second fixing plate 8, the cross sections of the first fixing plate 7, the second fixing plate 8 and the third fixing plate 9 are triangular, the left side of the dosing tank 2 is connected with a dehumidifier 11 through an exhaust pipeline 10, the right side of dosing tank 2 is equipped with first driving motor 12, be equipped with the first (mixing) shaft 13 that is connected with first driving motor 12's output shaft in the dosing tank 2, be equipped with spiral helicine stirring vane 14 on the first (mixing) shaft 13, the bottom of dosing pipeline 4 is equipped with ooff valve and shale shaker 15.

As an embodiment of the utility model, 1 bottom of reation kettle is equipped with second driving motor 16, 1 inner chamber of reation kettle is equipped with the second (mixing) shaft 18 of taking agitator paddle 17, the bottom of second (mixing) shaft 18 and second motor 16's output shaft mix phosphorus ammonium coolant liquid and flocculating agent.

As an embodiment of the utility model, 1 left side upper portion of reation kettle is connected with charge-in pipeline 19, 1 right side sub-unit connection of reation kettle has ejection of compact pipeline 20, be equipped with control valve 21 on the ejection of compact pipeline 20.

As an embodiment of the present invention, the drainage plate 5 is provided with a non-stick coating to prevent the flocculating agent from sticking to the inside of the drainage plate 5.

When the utility model works, after the ammonium phosphate cooling liquid is treated, the ammonium phosphate cooling liquid enters the reaction kettle 1 from the feed pipeline 19, the switch valve in the chemical adding pipeline 19 is opened, the flocculating agent in the chemical adding box 2 can quickly fall into the feed hopper 3 under the action of the vibrating screen, the flocculating agent is shunted as much as possible through the arranged first fixing plate 7, the second fixing plate 8 and the third fixing plate 9, the effect of uniform relative dispersion is achieved, the flocculating agent with uniform shunting is drained and limited through the drainage plate 17 and the drainage groove 18, the flocculating agent is uniformly dispersed to the greatest extent and falls into the reaction kettle 1, under the action of the second driving motor 16, the second stirring shaft 18 drives the stirring slurry 17 to mix the ammonium phosphate cooling liquid and the flocculating agent, the precipitate generated by the reaction of the fluorine ions and the phosphate ions of the ammonium phosphate cooling liquid and the calcium ions is removed, and then the control valve 21 on the discharge pipeline 20 is opened, and discharging the ammonium phosphate cooling liquid, and after the flocculating agent in the dosing tank 2 is used up, keeping the inside of the dosing tank 2 dry by the dehumidifier 11 to prevent the flocculating agent which is subsequently added from being wetted and adhered to the dosing tank 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a charge device among phosphorus ammonium coolant liquid recovery treatment system which characterized in that: the reaction kettle comprises a reaction kettle and a dosing tank, wherein the top of the reaction kettle is connected with a feed hopper, the top of the feed hopper is connected with the dosing tank through a dosing pipeline, a plurality of drainage plates form drainage grooves between adjacent drainage plates in the reaction kettle, the inner wall of the feed hopper is connected with a first fixed plate, a second fixed plate and a third fixed plate, the number of the second fixed plate is twice that of the first fixed plate and is arranged below the first fixed plate, the number of the third fixed plate is twice that of the second fixed plate and is arranged below the second fixed plate, the cross sections of the first fixed plate, the second fixed plate and the third fixed plate are all triangular, the left side of the dosing tank is connected with a dehumidifier through an exhaust pipeline, the right side of the dosing tank is provided with a first driving motor, a first stirring shaft connected with an output shaft of the first driving motor is arranged in the dosing tank, and a spiral stirring blade is arranged on the, and a switch valve vibrating screen is arranged at the bottom end of the dosing pipeline.

2. The chemical adding device in the ammonium phosphate cooling liquid recovery and treatment system according to claim 1, which is characterized in that: the bottom of the reaction kettle is provided with a second driving motor, the inner cavity of the reaction kettle is provided with a second stirring shaft with stirring paddles, and the bottom end of the second stirring shaft is connected with an output shaft of the second motor.

3. The chemical adding device in the ammonium phosphate cooling liquid recovery and treatment system according to claim 1, which is characterized in that: the upper portion of the left side of the reaction kettle is connected with a feeding pipeline, the lower portion of the right side of the reaction kettle is connected with a discharging pipeline, and a control valve is arranged on the discharging pipeline.

4. The chemical adding device in the ammonium phosphate cooling liquid recovery and treatment system according to claim 1, which is characterized in that: the drainage plate is provided with a non-stick coating.