CN223060840U - Crystal film fluidized bed treatment system for high-hardness water treatment - Google Patents
Crystal film fluidized bed treatment system for high-hardness water treatment Download PDFInfo
- Publication number
- CN223060840U CN223060840U CN202422103118.9U CN202422103118U CN223060840U CN 223060840 U CN223060840 U CN 223060840U CN 202422103118 U CN202422103118 U CN 202422103118U CN 223060840 U CN223060840 U CN 223060840U
- Authority
- CN
- China
- Prior art keywords
- water
- fluidized bed
- hardness
- pipe
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Removal Of Specific Substances (AREA)
Abstract
本实用新型公开了一种针对高硬度水处理的晶膜流化床处理系统，系统主要由结晶流化床和多层平膜微滤设备两部分构成，结晶流化床装置为内外两层筒体结构，设有排渣管、进水管、环形加药管、斜管强化分离装置以及出水管；多层平膜微滤设备设有进水管、出水管、缓冲水箱、清洗机构、金属膜以及淤泥池等结构；系统运行时高硬度原水首先进入结晶流化床进行软化处理，处理后再进入多层平膜微滤设备进一步去除硬度和浊度；采用的结晶流化床和平膜微滤设备联用的系统能够有效去除水中硬度和浊度，无需投加絮凝、混凝药剂，在降低系统运行成本的同时，有效避免了混凝药剂对后续膜系统的不良影响，能够有效去除水中的硬度和浊度，同步去除水中的多种离子。
The utility model discloses a crystal film fluidized bed treatment system for high-hardness water treatment. The system mainly consists of a crystallization fluidized bed and a multi-layer flat membrane microfiltration device. The crystallization fluidized bed device is an inner and outer two-layer cylindrical structure, and is provided with a slag discharge pipe, a water inlet pipe, a ring-shaped dosing pipe, an inclined tube enhanced separation device and a water outlet pipe; the multi-layer flat membrane microfiltration device is provided with a water inlet pipe, a water outlet pipe, a buffer water tank, a cleaning mechanism, a metal membrane and a sludge pool and other structures; when the system is running, the high-hardness raw water first enters the crystallization fluidized bed for softening treatment, and then enters the multi-layer flat membrane microfiltration device after treatment to further remove the hardness and turbidity; the system using the crystallization fluidized bed and the flat membrane microfiltration device in combination can effectively remove the hardness and turbidity in the water without adding flocculation and coagulant agents, while reducing the system operation cost, effectively avoiding the adverse effects of the coagulant agent on the subsequent membrane system, and can effectively remove the hardness and turbidity in the water, and simultaneously remove multiple ions in the water.
Description
Technical Field
The utility model relates to the field of water treatment, in particular to a crystal film fluidized bed treatment system for high-hardness water treatment.
Background
In recent years, the induced crystallization water softening technology equipment is widely applied to the municipal and industrial water treatment fields, and compared with the traditional chemical precipitation method, the technology has the advantages of high treatment efficiency, low running cost, simple system operation and the like, in addition, the technology does not generate precipitated sludge in the water softening treatment process, but is a dense crystallization granule containing high-purity calcium carbonate compound, thereby effectively avoiding the generation of intermediate wastewater and waste in treatment, realizing the recycling of the crystallization granule, realizing zero discharge treatment in practical sense, and having good economic and environmental protection benefits.
The prior art discloses an induced crystallization granulation fluidized bed device, which takes an alkaline agent as a softener to be added into equipment, and converts Ca 2+ into CaCO 3 under the condition of high pH to achieve the aim of removing Ca 2+, wherein Mg 2+ in water mainly forms Mg (OH) 2 compounds to be removed from the water. In practical application, the device has good removal effect on high-hardness wastewater containing Ca 2+, and for water quality with higher Mg 2+ content and higher total hardness content in water, the problem of higher turbidity of effluent water caused by poor adhesion of Mg (OH) 2 on the surface of the induced seed crystal and CaCO 3 which cannot be adhered to the surface of the seed crystal can occur during treatment, and further treatment by a subsequent treatment unit is needed. At present, the above problems are solved by adopting a mode of a combination system of a crystallization fluidized bed and a solid-liquid separation fluidized bed, and because a flocculation reagent such as PAM needs to be added into the solid-liquid separation fluidized bed device when the solid-liquid separation fluidized bed device is operated, the effluent directly enters a membrane system to have negative influence on a membrane assembly, so that the combination system has a plurality of limitations in practical application and has problems on the operation stability of the system.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provides a crystal film fluidized bed treatment system for high-hardness water treatment.
The utility model discloses a crystal film fluidized bed treatment system for high-hardness water treatment, which comprises a supporting device, a slag discharging pipe, a first water inlet pipe, a dosing pipe, an inner cylinder, an outer cylinder, a first water outlet pipe, an inclined pipe strengthening and separating device and a water collecting tank, wherein the supporting device is arranged at the bottom of the outer cylinder, the inner cylinder is arranged in the outer cylinder, the first water inlet pipe and the dosing pipe are arranged on the side wall of the outer cylinder and communicated with the inner cylinder, the cylinder opening of the inner cylinder faces the top of the outer cylinder, the inclined pipe strengthening and separating device is arranged at the top of the outer cylinder, the water collecting tank is connected with the inclined pipe strengthening and separating device, the first water outlet pipe is connected with the water collecting tank, and the slag discharging pipe is arranged at the bottom of the outer cylinder.
Furthermore, the inclined tube reinforced separation device can adopt an inclined tube/inclined plate sedimentation device.
Further, the dosing tube is an annular dosing tube, and a plurality of dosing openings are uniformly formed in the annular dosing tube.
Further, the water collecting tank is an annular water collecting tank.
The outer cylinder comprises a bottom cylinder body, a middle cylinder body and a top cylinder body, wherein the diameter of the top cylinder body is larger than that of the middle cylinder body, the diameter of the middle cylinder body is larger than that of the bottom cylinder body, the bottom cylinder body is connected with the middle cylinder body through a first variable-diameter rib plate, and the middle cylinder body is connected with the top cylinder body through a second variable-diameter rib plate.
The filter device comprises a first water inlet pipe, a first water outlet pipe, a second water outlet pipe and a water outlet pipe.
Further, the filtering device comprises a buffer water tank and a filtering structure, wherein the second water inlet pipe is connected with the buffer water tank, and the buffer water tank is connected with the second water outlet pipe through the filtering structure.
Further, the filtering structure comprises a plurality of layers of extending parts arranged on the buffer water tank, and the extending parts of each layer are connected with the second water outlet pipe through metal films.
Further, the metal film is obliquely arranged, and one side close to the buffer water tank is higher than one side close to the second water outlet pipe.
Further, each layer of metal film is provided with a cleaning mechanism, and a silt pool is arranged below the metal film.
The utility model has the beneficial effects that:
(I) According to the system for combining the crystallization fluidized bed and the flat membrane microfiltration equipment, the good Ca 2+ removal effect is obtained, meanwhile, the Mg 2+ content in water is effectively removed, and meanwhile, the turbidity of the effluent of the system is controlled below 5NTU, so that the system has good softening effect and stable effluent quality;
Compared with a combined system of a crystallization fluidized bed and a solid-liquid separation fluidized bed, the utility model does not need to add flocculation and coagulation medicaments, reduces the running cost of the system, effectively avoids the adverse effect of the coagulation medicaments on a subsequent membrane system, and has good adaptability;
And (III) the crystallization fluidized bed part generates calcium carbonate crystal particles when water softening treatment is carried out, the multilayer flat membrane microfiltration equipment is a physical process when turbidity removal treatment is carried out on softened water, so that a large amount of sludge generated by adding flocculating agent and coagulant is effectively reduced, and the ecological benefit is good.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a filter apparatus mechanism according to the present utility model;
Reference numerals:
1-supporting device, 2-deslagging pipe, 3-first water inlet pipe, 4-dosing pipe, 5-inner cylinder, 6-outer cylinder, 6-1-bottom cylinder, 6-2-middle cylinder, 6-3-top cylinder, 7-first water outlet pipe, 8-inclined pipe strengthening and separating device, 9-water collecting tank, 10-1-first variable diameter rib plate, 10-2-second variable diameter rib plate, 11-second water inlet pipe, 12-second water outlet pipe, 13-buffer water tank, 14-cleaning mechanism, 15-metal film, 16-silt basin and 17-extension part.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
Examples
As shown in fig. 1, the embodiment provides a crystal film fluidized bed treatment system for high-hardness wastewater treatment, which consists of a crystallization fluidized bed and filtering equipment, wherein the crystallization fluidized bed comprises a supporting device 1, a slag discharging pipe 2, a first water inlet pipe 3, a dosing pipe 4, an inner cylinder 5, an outer cylinder 6, a first water outlet pipe 7, an inclined pipe strengthening and separating device 8 and a water collecting tank 9, the supporting device 1 is arranged at the bottom of the outer cylinder 6, the inner cylinder 5 is arranged in the outer cylinder 6, the first water inlet pipe 3 and the dosing pipe 4 are arranged on the side wall of the outer cylinder 6 and communicated with the inner cylinder 5, a cylinder opening of the inner cylinder 5 faces to the top of the outer cylinder 6, the inclined pipe strengthening and separating device 8 is arranged at the top of the outer cylinder 6, the water collecting tank 9 is connected with the inclined pipe strengthening and separating device 8, the first water outlet pipe 7 is connected with the water collecting tank 9, and the slag discharging pipe 2 is arranged at the bottom of the outer cylinder 6. The dosing tube 4 is preferably an annular dosing tube, and a plurality of dosing openings are uniformly formed in the annular dosing tube. The water collecting tank 9 is an annular water collecting tank. The outer cylinder 6 comprises a bottom cylinder 6-1, a middle cylinder 6-2 and a top cylinder 6-3, the diameter of the top cylinder 6-3 is larger than that of the middle cylinder 6-2, the diameter of the middle cylinder 6-2 is larger than that of the bottom cylinder 6-1, the bottom cylinder 6-1 is connected with the middle cylinder 6-2 through a first variable-diameter rib plate 10-1, the middle cylinder 6-2 is connected with the top cylinder 6-3 through a second variable-diameter rib plate 10-2, and the whole outer cylinder 6 is of a spiral structure, so that solid-liquid separation is facilitated.
Examples
The filtering device comprises a second water inlet pipe 11, a second water outlet pipe 12, a buffer water tank 13, a cleaning mechanism 14, metal films 15 and a silt pool 16, wherein one end of the second water inlet pipe 11 is connected with the first water outlet pipe 7, the other end of the second water inlet pipe is connected with the buffer water tank 13, the buffer water tank 13 is positioned on the upper side of the device, an opening is formed in the side face of the buffer water tank 13, an extending part 17 is arranged at the position where the opening extends outwards, the openings are arranged in one-to-one correspondence with the metal films 15, the number of layers of the metal films 15 is at least two, the metal films 15 are distributed at intervals in the vertical direction, the cleaning mechanism 14 moves in the direction parallel to the metal films 15 and sprays and cleans at all positions of the metal films when running, the metal films 15 are obliquely arranged and are positioned on the upper side close to the buffer water tank 13, and the silt pool 16 is arranged on the lower side.
The operation method of the crystal film fluidized bed treatment system for treating the high-hardness wastewater in the embodiment is as follows:
The crystallization fluidized bed part is mainly used for removing a large amount of Ca 2+ and a small amount of Mg 2+ in water, and the filtering equipment is mainly used for removing a large amount of Mg 2+, residual Ca 2+ and suspended matters in water.
The raw water is high-hardness water quality, the content of Ca 2+ and the content of Mg 2+ in the water are close, naOH is selected as a softening agent for a crystallization fluidized bed, and garnet granules with a certain particle size range are selected as induction seed crystals;
The high-hardness raw water enters an inner cylinder 5 from a first water inlet pipe 3, is fully mixed with pre-added induced seed crystals under the action of hydraulic stirring, naOH enters the inner cylinder 5 from a dosing pipe 4 and is mixed with the raw water to form alkaline conditions so as to enable Ca 2+ and CO 3 2- in the water to react to generate CaCO 3 crystals, mg 2+ and OH - in the water form Mg (OH) 2, the mixed solution in the inner cylinder 5 enters an outer cylinder 6 in an upflow mode, the formed CaCO 3 is attached to the surface of the induced seed crystals to carry out solid-liquid separation in the outer cylinder 6, crystalline particles are subjected to circulation crystallization by the bottom of the inner cylinder 5, caCO 3 crystals which are not effectively attached to the surface of the induced seed crystals and Mg (OH) 2 are subjected to solid-liquid separation by a pipe chute reinforced separation device 8, softened water is discharged from a fluidized bed by a first water outlet pipe 7 after being collected by a water collecting tank 9, and along with continuous stable operation of the fluidized bed, the crystal attached to the surface of the induced seed crystals are continuously increased in particle size, and the larger particles are continuously accumulated at the bottom of the outer cylinder 6 and finally discharged by a slag discharging pipe 2;
The crystallization fluidized bed effluent enters the buffer water tank 13 from the second water inlet pipe 11, the metal films 15 are penetrated through the corresponding extending parts 17 of each layer of metal film 15, filtered water flows out of the device through the second water outlet pipe 12, caCO 3 crystals, mg (OH) 2 and other suspended substances which cannot be effectively removed in the crystallization fluidized bed are trapped on the surface of the metal film 15, and the trapped substances are cleaned and enter the silt basin 16 to be discharged and disposed in a high-frequency rapid cleaning mode through the cleaning mechanism 14.
The system has clear integral structure, compact connection of all functional units, convenient operation, effective removal of hardness and turbidity in water and synchronous removal of various ions in water.
From the above, the water treatment system disclosed by the utility model overcomes the defect that the turbidity and the removal effect of Mg 2+ compounds are poor by a single device in the prior art, and simultaneously avoids the influence of the agents on a subsequent membrane treatment system while effectively removing the turbidity by a pure physical method of adding flocculation agents and coagulation agents.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. And in the drawings of the present utility model, the filling patterns are only for distinguishing the layers, and are not limited in any way.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The crystal film fluidized bed treatment system for high-hardness water treatment is characterized by comprising a supporting device (1), a slag discharging pipe (2), a first water inlet pipe (3), a dosing pipe (4), an inner cylinder (5), an outer cylinder (6), a first water outlet pipe (7), an inclined pipe reinforced separation device (8) and a water collecting tank (9);
The supporting device (1) is arranged at the bottom of the outer cylinder (6);
the inner cylinder (5) is arranged in the outer cylinder (6);
The first water inlet pipe (3) and the dosing pipe (4) are arranged on the side wall of the outer cylinder (6) and are communicated with the inside of the inner cylinder (5);
the nozzle of the inner cylinder (5) faces the top of the outer cylinder (6);
The inclined tube reinforced separation device (8) is arranged at the top of the outer cylinder (6), the water collecting tank (9) is connected with the inclined tube reinforced separation device (8), and the first water outlet pipe (7) is connected with the water collecting tank (9);
the slag discharging pipe (2) is arranged at the bottom of the outer cylinder (6).
2. The crystal film fluidized bed treatment system for high-hardness water treatment according to claim 1, wherein the inclined tube reinforced separation device (8) adopts an inclined tube or an inclined plate sedimentation device.
3. The crystal film fluidized bed treatment system for high-hardness water treatment according to claim 1, wherein the dosing tube (4) is an annular dosing tube, and a plurality of dosing ports are uniformly arranged on the annular dosing tube.
4. Wafer film fluidized bed treatment system for high hardness water treatment according to claim 1, characterized in that the water collection sump (9) is an annular water collection sump.
5. The crystal film fluidized bed treatment system for high hardness water treatment according to claim 1, characterized in that the outer cylinder (6) comprises a bottom cylinder (6-1), a middle cylinder (6-2) and a top cylinder (6-3);
The diameter of the top cylinder (6-3) is larger than that of the middle cylinder (6-2);
the diameter of the middle cylinder body (6-2) is larger than that of the bottom cylinder body (6-1), the bottom cylinder body (6-1) is connected with the middle cylinder body (6-2) through a first variable-diameter rib plate (10-1), and the middle cylinder body (6-2) is connected with the top cylinder body (6-3) through a second variable-diameter rib plate (10-2).
6. The crystal film fluidized bed treatment system for high-hardness water treatment according to claim 1, further comprising a second water inlet pipe (11), a filtering device and a second water outlet pipe (12), wherein one end of the second water inlet pipe (11) is connected with the first water outlet pipe (7), the other end of the second water inlet pipe is connected with an input port of the filtering device, and the second water outlet pipe (12) is connected with an output port of the filtering device.
7. The crystal film fluidized bed treatment system for high-hardness water treatment according to claim 6, wherein the filtering device comprises a buffer water tank (13) and a filtering structure, the second water inlet pipe (11) is connected with the buffer water tank (13), and the buffer water tank (13) is connected with the second water outlet pipe (12) through the filtering structure.
8. The crystal film fluidized bed treatment system for high-hardness water treatment according to claim 7, wherein the filtering structure comprises a plurality of layers of extension parts (17) arranged on the buffer water tank (13), and the extension parts (17) of each layer are connected with the second water outlet pipe (12) through the metal film (15).
9. The crystal film fluidized bed treatment system for high hardness water treatment according to claim 8, wherein the metal film (15) is provided obliquely, and a side close to the buffer water tank (13) is higher than a side close to the second water outlet pipe (12).
10. The crystal film fluidized bed treatment system for high-hardness water treatment according to claim 9, wherein each layer of metal film (15) is provided with a cleaning mechanism (14), and a sludge tank (16) is provided below the metal film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422103118.9U CN223060840U (en) | 2024-08-29 | 2024-08-29 | Crystal film fluidized bed treatment system for high-hardness water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422103118.9U CN223060840U (en) | 2024-08-29 | 2024-08-29 | Crystal film fluidized bed treatment system for high-hardness water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223060840U true CN223060840U (en) | 2025-07-04 |
Family
ID=96204757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422103118.9U Active CN223060840U (en) | 2024-08-29 | 2024-08-29 | Crystal film fluidized bed treatment system for high-hardness water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223060840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120736698A (en) * | 2025-09-01 | 2025-10-03 | 西安建筑科技大学 | Inorganic ion induced crystallization system |
-
2024
- 2024-08-29 CN CN202422103118.9U patent/CN223060840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120736698A (en) * | 2025-09-01 | 2025-10-03 | 西安建筑科技大学 | Inorganic ion induced crystallization system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103739124B (en) | A kind of efficient water treatment device and water treatment method | |
| CN103787552A (en) | Zero discharge treatment system and method for industrial wastewater with high chemical oxygen demand (COD) | |
| CN223060840U (en) | Crystal film fluidized bed treatment system for high-hardness water treatment | |
| CN216236413U (en) | Crystallization fluidized bed processing apparatus to high rigidity waste water | |
| CN205442869U (en) | It produces brackish water desalination system of water recovery rate to improve bitter | |
| CN102515383A (en) | Water-saving clarification and purification system and process thereof | |
| CN112694182A (en) | Anti-sedimentation mine water purification treatment system | |
| CN110330140B (en) | System and method for treating, regenerating and recycling water pollution in saline-alkali area | |
| CN209259867U (en) | Water treatment system with high salt | |
| CN223225937U (en) | An integrated perchlorate wastewater treatment device | |
| CN115448522A (en) | System and method for purifying high-salinity wastewater | |
| CN210795944U (en) | Wastewater softening processor | |
| CN205076946U (en) | Water body remediation composite set based on magnetic separation and constructed wetland | |
| CN223292392U (en) | A backwash-free crystallization and granulation filter bed combination system for high calcium and high magnesium water treatment | |
| CN2900510Y (en) | Combined aeration biological filter pool | |
| CN214327457U (en) | Supermagnetic separation water dosing system and supermagnetic separation black and odorous water purification system | |
| CN218910103U (en) | Chemical precipitation adsorption device for treating high fluoride wastewater | |
| CN218893487U (en) | Desulfurization high-salt wastewater treatment device | |
| CN201896105U (en) | Recycling device for industrial cleaning wastewater | |
| CN215559437U (en) | a waste water treatment system | |
| CN213141681U (en) | Sedimentation tank for siphon sludge discharge | |
| CN213680165U (en) | Sewage treatment system for independently treating backwashing wastewater | |
| CN116947240A (en) | Pretreatment method suitable for high-salinity wastewater treatment process | |
| CN210974184U (en) | Recovery unit of phosphorus in sewage plant second grade play water | |
| CN115893740A (en) | A zero-discharge system for high-salt and high-hard wastewater treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |