CN-117735686-B - Chemical crystallization particle fluidized bed water treatment equipment

CN117735686BCN 117735686 BCN117735686 BCN 117735686BCN-117735686-B

Abstract

The invention provides chemical crystallization particle fluidized bed water treatment equipment, which relates to the technical field of fluidized bed water treatment equipment and comprises a fluidization cylinder which is vertically arranged at the central position inside a tank body, wherein the water outlet end of a seeding pipe is communicated with the inside of the fluidization cylinder, two vertical supporting sewage pipes are symmetrically and penetratingly welded on the bottom plate of the tank body, water distribution ring grooves are welded at the top ends of the two vertical supporting sewage pipes, the bottoms of the two vertical supporting sewage pipes are fixedly welded with a sewage inlet component, a circle of water spraying pipes which are circumferentially arranged are penetratingly welded on the water distribution ring grooves, and the upper half sections of the water spraying pipes are obliquely arranged. A circulating channel of sewage is formed between the fluidization area and the sedimentation area, so that a part of sewage can be continuously recycled to the fluidization cylinder for multiple times through the circulating channel, the contact times of the part of sewage with the softening agent are effectively increased in the process of repeated recycling for multiple times, the contact reaction time of the part of sewage with the softening agent is prolonged, and the full softening treatment of the sewage is facilitated.

Inventors

ZHANG CHUANBING
ZHU PINGHUI
GAO DEZHOU
XIN JUN
LI YONGJIE
XU YAHUI
ZHAO SHUGUANG
SUN TENGFEI
ZHU GUANGYU
LI SHAOLI
YANG CHENG
ZHENG XIANGDONG

Assignees

华夏碧水环保科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20231229

Claims (8)

1. The chemical crystallization particle fluidized bed water treatment equipment comprises a tank body (1), a dosing pipe (2), a sewage inlet component and a seed adding pipe (4), wherein the dosing pipe (2) is hung at the center of the inside of the tank body (1), the sewage inlet component is hung at the bottom of the tank body (1), and the seed adding pipe (4) is welded on the circumferential outer wall of the tank body (1) in a penetrating manner; The device is characterized in that a fluidization cylinder (5) which is vertically arranged is welded at the central position inside the tank body (1), the fluidization cylinder (5) is in sleeve fit with a dosing pipe (2), the water outlet end of a seed adding pipe (4) is communicated with the inside of the fluidization cylinder (5), two vertical supporting sewage pipes (106) are symmetrically welded on the bottom plate of the tank body (1) in a penetrating way, water distribution ring grooves (6) are welded at the top ends of the two vertical supporting sewage pipes (106), and the bottoms of the two vertical supporting sewage pipes (106) are welded and fixed with a sewage inlet component; A circle of water spraying pipes (601) which are arranged in a surrounding way are welded on the water distribution ring groove (6), the upper half sections of the water spraying pipes (601) are obliquely arranged, water outlet nozzles at the top ends of the water spraying pipes (601) are positioned in the tangential direction of the inner wall of the fluidization cylinder (5), and the lower half sections of the water spraying pipes (601) are vertically supported; a circle of blades (502) capable of encircling and rotating are arranged in the space of the bottom of the fluidization cylinder (5), a water blocking annular plate (504) horizontally arranged is hung at the bottom of the circle of blades (502), the water blocking annular plate (504) is rotationally attached to the bottom nozzle of the circle of water spraying pipe (601), and a water through groove (505) is formed in the water blocking annular plate (504) in a penetrating mode; the top nozzles of one circle of spray pipes (601) spray towards one circle of blades (502) and form upward circulating rotational flow in the fluidization barrel (5), a sedimentation zone (8) with an annular structure is formed between the fluidization barrel (5) and the tank body (1), a fluidization zone (9) is formed in the fluidization barrel (5), a part of sewage forms a circulating channel between the fluidization zone (9) and the sedimentation zone (8), the seed crystal body after growing is settled in the bottom side space of the tank body (1), and the bottom nozzles of one circle of spray pipes (601) spray towards the settled seed crystal.
2. A chemical crystallization granule fluidized bed water treatment apparatus according to claim 1, wherein, The bottom side part of the tank body (1) is of a conical guide structure, a particle discharging pipe (104) is welded at the conical part of the bottom side of the tank body (1), a divergent cover (101) and a clear water barrel (102) are sequentially welded at the top end of the tank body (1), and a clear water outlet pipe (105) is welded on the circumferential outer wall of the clear water barrel (102); The clear water outlet pipe (105) is connected with and fixed with the hydrochloric acid mixing cylinder (103), and an external alkali liquor supply system is connected with the hydrochloric acid mixing cylinder (103); a separation area (10) is formed in the divergent cover (101), and a clear water area (11) is formed in the clear water barrel (102).
3. A chemical crystallization granule fluidized bed water treatment apparatus according to claim 1, wherein, A hollow water guide cone (107) is welded and hung at the center position of the bottom of the top plate of the tank body (1), and the circumferential conical surface of the water guide cone (107) is concavely bent towards the central axis.
4. A chemical crystallization particle fluidized bed water treatment device according to claim 3, wherein the dosing pipe (2) is vertically arranged, a circle of spraying holes are formed on the circumferential outer wall of the dosing pipe (2) in a surrounding mode, a medicament inlet pipe (201) is welded at the top end of the dosing pipe (2), and the medicament inlet pipe (201) is in penetrating sliding fit with the top plate of the tank body (1) and the water guide cone (107) and is fastened to the central position of the top plate of the tank body (1) through screw locking.
5. The chemical crystallization granule fluidized bed water treatment equipment according to claim 1, wherein the seeding pipe (4) is of a T-shaped structure, a row of short spray pipes (401) are welded on the vertical pipe section of the seeding pipe (4) at equal intervals, and the row of short spray pipes (401) are welded with the circumferential side wall of the fluidization cylinder (5) in a penetrating way.
6. A chemical crystallization granule fluidized bed water treatment apparatus according to claim 1, wherein, A water distribution area (7) is formed in the bottom space of the fluidization cylinder (5) at a position close to a circle of water spraying pipes (601).
7. The chemical crystallization particle fluidized bed water treatment device according to claim 6, wherein a rotating ring (501) is rotatably arranged on the circumferential inner wall of the bottom space of the fluidization cylinder (5), one ring of blades (502) is welded on the rotating ring (501) in a surrounding manner, two vertical transmission rods (503) are symmetrically welded between two symmetrical blades (502) and a water retaining ring plate (504), and the two vertical transmission rods (503) are rotatably arranged in a ring space between the water distribution ring groove (6) and the inner wall of the fluidization cylinder (5).
8. A chemical crystallization particle fluidized bed water treatment device according to claim 1, characterized in that the sewage inlet component is a water inlet ring groove (3), and a sewage inlet pipe is welded on the circumferential outer wall of the water inlet ring groove (3).

Description

Chemical crystallization particle fluidized bed water treatment equipment Technical Field The invention relates to the technical field of fluidized bed water treatment equipment, in particular to chemical crystallization particle fluidized bed water treatment equipment. Background The hardness exceeding of the life drinking water can cause gastrointestinal dysfunction, abdominal distension, excessive exhaust, diarrhea and other abnormal digestion phenomena of human bodies, and even kidney stones and other diseases. Industrial water hardness is too high, scaling phenomena can occur on the pipeline wall and the equipment wall in the cyclic utilization or recovery process, and the cross-sectional area of the pipeline and the equipment is reduced, so that circulating water flow is reduced, even the pipeline and the equipment are blocked, and the heat exchange efficiency of the equipment is reduced, even safety accidents are burst. And the water with the hardness exceeding the standard contains calcium and magnesium ions, and calcium stearate and magnesium stearate are generated with the compound, so that the efficiency of the detergent is reduced. Therefore, softening treatment of water quality is necessary in both industrial water and drinking water. According to the chemical crystallization granulation fluidized bed process, a proper amount of mineral particles are filled in a crystallization reactor to serve as seed crystals, then a specific chemical agent is added into water, insoluble salt crystals are formed with ions to be removed in wastewater and deposited on the surface of the seed crystals, crystal particles with certain granularity and strength are finally formed along with continuous growth and development of the seed crystals, and the crystal particles with larger size are discharged periodically, so that removal and recovery of target pollutants in water are realized. The process has the characteristics of low consumption, high efficiency, no secondary pollution and the like, and is widely focused in the field of water treatment. Firstly, the sewage in the existing fluidized bed water treatment equipment is mostly direct-current from bottom to top, cannot or is difficult to circulate in the equipment, and the direct-current path is relatively short, so that the contact reaction time of the sewage and a softening agent is short, the reaction is insufficient, and the softening treatment effect of the sewage is further affected; Secondly, once the seed crystal is settled, the seed crystal is limited in the bottom space of the equipment, and the flow path of the sewage is difficult to enter again for repeated recycling, so that the seed crystal is insufficiently utilized, more seed crystals are required to be continuously added, the consumption of the seed crystal is increased, and the benefit of enterprises is not facilitated. Disclosure of Invention In view of the above, the present invention provides a chemical crystallization particle fluidized bed water treatment device, so as to solve the problems of short contact reaction time between sewage and softening agent, insufficient reaction and influence on sewage softening treatment effect caused by that the direct flow path of the sewage is relatively short from bottom to top. The technical scheme includes that the chemical crystallization particle fluidized bed water treatment equipment specifically comprises a tank body, a dosing pipe, a sewage inlet component and a seed adding pipe, wherein the dosing pipe is hoisted at the center of the interior of the tank body, the sewage inlet component is hoisted at the bottom of the tank body, and the seed adding pipe penetrates through and is welded on the circumferential outer wall of the tank body; the bottom plate of the tank body is symmetrically penetrated and welded with two vertical supporting sewage pipes, the top ends of the two vertical supporting sewage pipes are welded with water distribution ring grooves, and the bottoms of the two vertical supporting sewage pipes are welded and fixed with the sewage inlet component; A circle of water spraying pipes which are arranged in a surrounding way are penetrated and welded on the water distribution ring groove, the upper half sections of the water spraying pipes are obliquely arranged, water outlet nozzles at the top ends of the water spraying pipes are positioned in the tangential direction of the inner wall of the fluidization cylinder, and the lower half sections of the water spraying pipes are vertically supported; A circle of blades capable of encircling and rotating are arranged in the space of the bottom of the fluidization cylinder, a water blocking ring plate horizontally arranged is hung at the bottom of the circle of blades, the water blocking ring plate is rotationally attached to the bottom nozzle of the circle of water spraying pipe, and a water through groove is formed in the water blocking ring plate in a penetrating manner; The top no