CN203222509U - Lime adding device - Google Patents
Lime adding device Download PDFInfo
- Publication number
- CN203222509U CN203222509U CN 201320133136 CN201320133136U CN203222509U CN 203222509 U CN203222509 U CN 203222509U CN 201320133136 CN201320133136 CN 201320133136 CN 201320133136 U CN201320133136 U CN 201320133136U CN 203222509 U CN203222509 U CN 203222509U
- Authority
- CN
- China
- Prior art keywords
- line segments
- lime
- reaction tank
- feeding pipeline
- throwing device
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is suitable for water-treatment devices and provides a lime adding device for solving the problem that the adding quantity of the lime is difficult to control in the prior art. The lime adding device comprises a lime pit, a reaction tank, a centrifugal pump, a suction pipe, a feeding pipeline and backpressure assemblies, wherein the lime pit is used for storing lime, the reaction tank is located below the lime pit and is used for storing to-be-processed water, the centrifugal pump is located between the lime pit and the reaction tank, the suction pipe is arranged between the lime pit and the centrifugal pump, the feeding pipeline is arranged between the centrifugal pump and the reaction tank, and the backpressure assemblies are arranged on the feeding pipeline and are used for providing backpressure to the centrifugal pump. According to the lime adding device provided by the utility model, the backpressure assemblies are arranged between a flow gauge and the reaction tank to provide the backpressure to the centrifugal pump, and the flow of the lime water flowing into the reaction tank is changed along the change of the rotation speed of the centrifugal pump, so that the adding quantity of the lime is effectively controlled.
Description
Technical field
The utility model relates to water treatment device, relates in particular to a kind of lime throwing device.
Background technology
Most of technology of engineering of water treatment is according to former aqueous nature and handles object and throw in various medicaments, remove harmful and hard-degraded substance through physics (machinery), chemical action, make the effluent characteristics of follow-up biochemical treatment can reach relevant national standard or satisfy processing requirement.Therefore, medicine system is composition link the most basic in the engineering of water treatment pretreatment system, tool typical meaning such as pH control during wherein especially with acid-base neutralisation process pH control, flocculation agent flocculation.In the process of regulating water pH value, especially extensive to throw in milk of lime, cheap and easy to get because of it, but water-fast impurity is more in the lime, often stops up volume pump and valve, and the dosage of lime is also wayward.
The structural representation of the lime throwing device that Fig. 1 provides for prior art, this lime throwing device comprises the Calcified pond 10 ' that stores liming, be positioned at Calcified pond 10 ' below and store pending water reaction tank 20 ', be connected in discharge nozzle 12 between Calcified pond 10 ' and the reaction tank 20 ', be located at the impeller pump 30 ' on the discharge nozzle 12 and be provided with on the discharge nozzle 12 and be positioned under meter 40 ' between impeller pump 30 ' and the reaction tank 20 ', the outlet of discharge nozzle 12 is positioned at below the water level of reaction tank 20 '.When clutch pump 30 ' started running, liming flowed in the reaction tank 20 ' to react with pending water, so that the water that flows out from described reaction tank 20 ' meets relevant national standard or satisfies processing requirement along discharge nozzle 12.In use, on the one hand, change because height can take place the liquid level of Calcified pond 10 ', when impeller pump 30 ' turned round under identical rotational frequency, the dosage of lime also can change, and causes the lime dosage wayward; On the other hand, because the outlet of discharge nozzle 12 is positioned at the water level below of reaction tank 20 ', after impeller pump 30 ' is opened, discharge nozzle 12 from Calcified pond 10 ' to reaction tank 20 ' forms a connecting pipe, if the rotating speed of impeller pump 30 ' is very little, then because of action of gravity, the dosage of lime is still very big, and causes the lime dosage wayward.
The utility model content
The purpose of this utility model is to provide a kind of lime throwing device, is intended to solve the uppity problem of lime dosage in the prior art.
The utility model is to realize like this, a kind of lime throwing device, comprise the Calcified pond that stores liming, below the described Calcified pond and be used for storing pending water reaction tank, the impeller pump between described Calcified pond and the described reaction tank, be located at the material sucking pipes between described Calcified pond and the described impeller pump and be located at described impeller pump and described reaction tank between the feeding pipeline, described lime throwing device also comprises is located at the back pressure assembly that back pressure is provided on the described feeding pipeline, for described impeller pump.
Further, described lime throwing device also comprises under meter and first control valve of being located on the described feeding pipeline, described under meter is between described impeller pump and described first control valve, and described first control valve is between described under meter and described back pressure assembly.
Further, described back pressure assembly comprise be located between described first control valve and the described reaction tank and have the water level below that is positioned at described reaction tank discharge port discharge nozzle and be communicated with conduction pipe with straight-through air with described discharge nozzle.
Further, described discharge nozzle is for flowing to first branch of described reaction tank along described feeding pipeline, and the vertex of described discharge nozzle is positioned at described feeding pipeline top.
Further, described discharge nozzle comprises along described feeding pipeline end branch and first line segments that rises, connects described first line segments and have second line segments of described vertex and connect described second line segments and insert the 3rd line segments in the described reaction tank, described first line segments at described feeding pipeline between terminal and described second line segments and described second line segments between described first line segments and described the 3rd line segments.
Further, described first line segments is parallel to each other along the terminal vertical uplift of described feeding pipeline and with described the 3rd line segments, and described second line segments is vertical mutually with described first line segments.
Further, described conduction pipe extends and its terminal opening wide along the end away from described discharge port of described the 3rd line segments, and is connected with described second line segments perforation.
Further, described conduction pipe communicate with described the 3rd line segments conllinear and with vertical the communicating of described second line segments.
Further, described back pressure assembly also comprises for the liming of the described Calcified pond of emptying or discharges the emptying assembly of impurity, and described emptying assembly is second branch of described feeding pipeline and is communicated with described discharge nozzle.
Further, described emptying assembly comprises along described feeding pipeline end branch and the evacuated tube that is communicated with described discharge nozzle and is located at second control valve on the described evacuated tube.
The lime throwing device that the utility model provides adopts described back pressure assembly for described impeller pump provides back pressure, the liming flow that flows into described reaction tank is changed along with the variation of the velocity of rotation of impeller pump, thereby control the lime injected volume effectively.
Description of drawings
Fig. 1 is the structural representation of the lime throwing device that provides of prior art.
Fig. 2 is the structural representation of the lime throwing device that provides of the utility model.
Fig. 3 is the structural representation of the back pressure assembly of the lime throwing device that provides of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Please refer to Fig. 2, the lime throwing device that the utility model embodiment provides comprise the Calcified pond 10 that stores liming, below the Calcified pond 10 and be used for storing pending water reaction tank 20, the impeller pump 30 between Calcified pond 10 and the reaction tank 20, be located at the material sucking pipes 13 between Calcified pond 10 and the impeller pump 30 and be located at impeller pump 30 and reaction tank 20 between feeding pipeline 34, this lime throwing device also comprises is located at the back pressure assembly 50 that back pressure is provided on the feeding pipeline 34, for impeller pump 30.This reaction tank 20 has the certain altitude difference and is lower than Calcified pond 10 in short transverse with Calcified pond 10, during work, impeller pump 30 is opened and is rotated, liming in the Calcified pond 10 is flowed in the reaction tank 20 along material sucking pipes 13, feeding pipeline 34 and back pressure assembly 50, under the back pressure effect of back pressure assembly 50, the flow of liming changes with the variation of the velocity of rotation of impeller pump 30.The lime throwing device of the utility model provides back pressure by back pressure assembly 50 for impeller pump 30, changes with the variation of the velocity of rotation of impeller pump 30 to guarantee the lime injected volume, thereby effectively controls the lime injected volume.
Please refer to Fig. 2, lime throwing device also comprises under meter 40 and first control valve of being located on the feeding pipeline 34 60, and under meter 40 is between impeller pump 30 and first control valve 60, and first control valve is between under meter 40 and back pressure assembly 50.By under meter 40 being set to measure the flow size of the liming that flows out through feeding pipeline 34, by first control valve 60 being set so that liming is imported in the back pressure assembly 50.
Please refer to Fig. 2, lime throwing device also comprises to be located on the material sucking pipes 13 to control the material sucking valve 15 that liming discharges in the Calcified pond 10 and to be located on the feeding pipeline 34 with the feed valve 35 of control through the liming quantity discharged of impeller pump 30.During work, open material sucking valve 15 and feed valve 35, in impeller pump 30 rotation processes, liming flows in the under meter 40 along material sucking pipes 13 and feeding pipeline 34, records the flow of liming through under meter 40.
Please referring again to Fig. 2, feeding pipeline 34 comprises first duct portion 340 that is connected between impeller pump 30 and the under meter 40, be connected in second duct portion 342 between under meter 40 and first control valve 60 and be connected in the 3rd duct portion 345 between first control valve 60 and the back pressure assembly 50.Feed valve 35 is located on first duct portion 340 and between impeller pump 30 and under meter 40, this first control valve 60 is between second duct portion 522 and the 3rd duct portion 345.During work, when opening this feed valve 35 and first control valve 60, running along with impeller pump 30, liming imports in second duct portion 522 and the 3rd duct portion 345 and flows in the discharge nozzle 54 through material sucking pipes 13 and first duct portion 520, enter in the reaction tank 20 through discharge port 545, by the liming in first control valve, 60 these back pressure assemblies 50 of control inflow.
Please be simultaneously with reference to Fig. 2 and Fig. 3, back pressure assembly 50 comprise be located between first control valve 60 and the described reaction tank 20 and have the water level below that is positioned at reaction tank 20 discharge port 545 discharge nozzle 54 and be communicated with to lead directly to the conduction pipe 56 of air with discharge nozzle 54.Particularly, first control valve 60 between under meter 40 and discharge nozzle 54 liming is imported in the discharge nozzle 54, the water level below that this discharge port 545 is arranged in the terminal of this discharge nozzle 54 and stretches to reaction tank 20 will be flowing into reaction tank 20 through the liming that discharge nozzle 54 is derived, this conduction pipe 56 is communicated with this discharge nozzle 54 and straight-through air forms siphonage to avoid discharge nozzle 54, this back pressure assembly 50 provides constant backpressure for impeller pump 30, so that the flow of liming variation synchronously with impeller pump 30 change in rotational speed, and then the dosage of control lime.
Please referring again to Fig. 3, discharge nozzle 54 is for flowing to first branch of reaction tank 20 along feeding pipeline 34, and the vertex of this discharge nozzle 54 is positioned at feeding pipeline 34 tops.Particularly, this discharge nozzle 54 is a branch of feeding pipeline 34, is defined as first branch herein, is used for importing reaction tank 20 through the liming of clutch pump 30.This discharge nozzle 54 along the bifurcation 348 of feeding pipeline 34 at the short transverse certain altitude that raises up, so that this back pressure assembly 50 provides back pressure for impeller pump 30, thereby the flow of liming is changed synchronously, with the dosage of control lime with impeller pump 30 change in rotational speed.
Please referring again to Fig. 3, discharge nozzle 54 comprise feeding pipeline 34 end branches and first line segments 540 that rises, connect first line segments 540 and have second line segments 542 of vertex and connect the 3rd line segments 544, the first line segments 540 in second line segments 542 and the insertion reaction pond 20 at feeding pipeline 34 between terminal and second line segments 542 and second line segments 542 between first line segments 540 and the 3rd line segments 544.First line segments 540, second line segments 542 and the 3rd line segments 544 are interconnected to discharge liming to reaction tank 20, this first line segments 540 along the bifurcation 348 of the 3rd duct portion 345 in short transverse rising certain altitude so that the liming that flows in the discharge nozzle 54 upwards flow in short transverse, first line segments 540 and second line segments 542 are positioned at the top on plane, Calcified pond 10 place, the 3rd line segments 544 is the water level below that descends and extend to reaction tank 20 along second line segments 542, and this discharge port 545 is positioned at the end of the 3rd line segments 544 importing reaction tank 20 through the liming of this discharge nozzle 54.In the present embodiment, this discharge nozzle 54 is inverted U, reverse V-shaped or other shapes.During work, liming upwards flows along first line segments 540 through first control valve 60, and flow in the 3rd line segments 544 through second line segments 542, because of the self gravitation effect, flow in the reaction tank 20 downwards along the 3rd line segments 544, think that by the height rising of liming is mobile impeller pump 30 provides back pressure, helps to control the flow of liming.
Please referring again to Fig. 3, first line segments 540 is parallel to each other along bifurcation 348 vertical uplift of the 3rd duct portion 345 and with the 3rd line segments 544, and second line segments 542 is vertical mutually with first line segments 540.Particularly, first line segments 540 is extended vertically upward along the bifurcation 348 of the 3rd duct portion 345, second line segments 542 is parallel to each other along first line segments, 540 extend perpendicular and with the 3rd duct portion 345, and the 3rd line segments 544 is extended vertically downward and made discharge port 545 be positioned at the water level below of reaction tank 20 along second line segments 542.Liming flows in the reaction tanks 20 through first line segments 540, second line segments 542 and the 3rd line segments 544, and the height change by first line segments 540 to be providing impeller pump 30 certain back pressures, thereby controls the flow of liming.
Preferably, the caliber of feeding pipeline 34, first line segments 540 and second line segments 542 is equal substantially, and the caliber of the 3rd line segments 544 equates substantially with the caliber of conduction pipe 56, and the caliber of first line segments 540 is less than the caliber of the 3rd line segments 544.
Please referring again to Fig. 3, conduction pipe 56 extends and its terminal opening wide along the end away from discharge port 545 of the 3rd line segments 544, and is connected with 542 perforations of second line segments.Particularly, conduction pipe 556 is a branch that is located at the intersection of second line segments 542 and the 3rd line segments 544.Conduction pipe 56 extends upward and its end is in opening-wide state with straight-through air along the 3rd line segments 544.Because this conduction pipe 56 is the conducting air upwards, make the intersection of second line segments 542 and the 3rd line segments 544 lead directly to air, avoided in each discharge nozzle, forming siphonage, thereby for the impeller pump 30 under the working order provides constant backpressure, change with the variation of assurance liming flow with impeller pump 30 rotational frequencies, and then the dosage of control lime.
Please referring again to Fig. 3, preferably, conduction pipe 56 communicate with the 3rd line segments 544 conllinear and with second line segments, 542 vertical communicating.This conduction pipe 56 is that the 3rd line segments 544 is extended vertically upward along the intersection of the 3rd line segments 544 and second line segments 542, and communicate with this second line segments 542, this is simple in structure, can avoid the generation of siphonage on the one hand, on the other hand can be for impeller pump 30 provide constant backpressure, thus the dosage of control lime.
Please referring again to Fig. 3, back pressure assembly 50 comprises that also this emptying assembly 58 is communicated with for second branch of feeding pipeline 34 and with discharge nozzle 54 for the emptying assembly 58 of the liming of emptying Calcified pond 10 or discharge impurity.Particularly, this emptying assembly 58 is another branch of feeding pipeline 34, is defined as second branch herein, and the bifurcation 348 that is arranged at feeding pipeline 34 is jammed in impurity in each pipeline with the liming in the emptying Calcified pond 10 or discharging.
Please referring again to Fig. 3, emptying assembly 58 comprises along feeding pipeline 34 end branches and the evacuated tube 580 that is communicated with discharge nozzle 54 and is located at second control valve 582 on the evacuated tube 580.Evacuated tube 580 connects extension with discharge liming to be discharged along the bifurcation 348 of the 3rd duct portion 345.When stopping to add or during line clogging, open second control valve 582 the liming emptying in the Calcified pond 10 or discharging are jammed in the impurity in the pipeline.Preferably, evacuated tube 580 communicate with the 3rd duct portion 345 conllinear and with first line segments, 540 vertical communicating.
Please be simultaneously with reference to Fig. 2 and Fig. 3, during work, close second control valve 582, open first control valve 60, material sucking valve 15 and feed valve 35, and unlatching impeller pump 30, liming from Calcified pond 10 through material sucking pipes 13, first duct portion 340 of feeding pipeline 34, the formed first flow direction A1 in second duct portion 342 and the 3rd duct portion 345, the upwards flow direction A2 that forms in first line segments 540, the direction A4 that flows downward that forms in the second flow direction A3 that forms in second line segments 542 and the 3rd line segments 544, flow in the reaction tank 20, with the purpose that realizes that lime adds, and this liming flow that adds process can be controlled according to the rotational frequency of impeller pump 30.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. lime throwing device, comprise the Calcified pond that stores liming, below the described Calcified pond and be used for storing pending water reaction tank, the impeller pump between described Calcified pond and the described reaction tank, be located at the material sucking pipes between described Calcified pond and the described impeller pump and be located at described impeller pump and described reaction tank between the feeding pipeline, it is characterized in that, also comprise and be located at the back pressure assembly that back pressure is provided on the described feeding pipeline, for described impeller pump.
2. lime throwing device as claimed in claim 1, it is characterized in that, also comprise under meter and first control valve be located on the described feeding pipeline, described under meter is between described impeller pump and described first control valve, and described first control valve is between described under meter and described back pressure assembly.
3. lime throwing device as claimed in claim 2, it is characterized in that, described back pressure assembly comprise be located between described first control valve and the described reaction tank and have the water level below that is positioned at described reaction tank discharge port discharge nozzle and be communicated with conduction pipe with straight-through air with described discharge nozzle.
4. lime throwing device as claimed in claim 3 is characterized in that, described discharge nozzle is for flowing to first branch of described reaction tank along described feeding pipeline, and the vertex of described discharge nozzle is positioned at described feeding pipeline top.
5. lime throwing device as claimed in claim 4, it is characterized in that, described discharge nozzle comprises along described feeding pipeline end branch and first line segments that rises, connects described first line segments and have second line segments of described vertex and connect described second line segments and insert the 3rd line segments in the described reaction tank, described first line segments at described feeding pipeline between terminal and described second line segments and described second line segments between described first line segments and described the 3rd line segments.
6. lime throwing device as claimed in claim 5 is characterized in that, described first line segments is parallel to each other along the terminal vertical uplift of described feeding pipeline and with described the 3rd line segments, and described second line segments is vertical mutually with described first line segments.
7. lime throwing device as claimed in claim 5 is characterized in that, described conduction pipe extends and its terminal opening wide along the end away from described discharge port of described the 3rd line segments, and is connected with described second line segments perforation.
8. lime throwing device as claimed in claim 7 is characterized in that, described conduction pipe communicate with described the 3rd line segments conllinear and with vertical the communicating of described second line segments.
9. as any described lime throwing device of claim 4 to 8, it is characterized in that, described back pressure assembly also comprises for the liming of the described Calcified pond of emptying or discharges the emptying assembly of impurity, and described emptying assembly is second branch of described feeding pipeline and is communicated with described discharge nozzle.
10. lime throwing device as claimed in claim 9 is characterized in that, described emptying assembly comprises along described feeding pipeline end branch and the evacuated tube that is communicated with described discharge nozzle and is located at second control valve on the described evacuated tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133136 CN203222509U (en) | 2013-03-21 | 2013-03-21 | Lime adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133136 CN203222509U (en) | 2013-03-21 | 2013-03-21 | Lime adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203222509U true CN203222509U (en) | 2013-10-02 |
Family
ID=49249520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320133136 Expired - Fee Related CN203222509U (en) | 2013-03-21 | 2013-03-21 | Lime adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203222509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963315A (en) * | 2015-05-19 | 2015-10-07 | 温州大学 | Combined treatment method for reclaiming land from sea |
-
2013
- 2013-03-21 CN CN 201320133136 patent/CN203222509U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963315A (en) * | 2015-05-19 | 2015-10-07 | 温州大学 | Combined treatment method for reclaiming land from sea |
| CN104963315B (en) * | 2015-05-19 | 2017-07-14 | 温州大学 | Reclaim fields from the sea combination treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204197705U (en) | A kind of aluminum paste feedway | |
| CN203033784U (en) | Dosing device | |
| CN203668113U (en) | Uniform water distributor | |
| CN203222509U (en) | Lime adding device | |
| CN202570220U (en) | Experimental cooling device | |
| CN202545376U (en) | Anti-blocking device for water suction faucet of mine water pump and mine drainage system | |
| CN203833632U (en) | Sodium sulfite delivering and stirring device | |
| CN101429941A (en) | Self-circulation vacuum auxiliary self-suction apparatus of centrifugal pump | |
| CN205532526U (en) | Automatic dispensing system of agent is arranged to bubble with ultrasonic detection device | |
| CN204660174U (en) | The anti-settler of liquid fertilizer bottle placer | |
| CN107352600A (en) | Automatic feeding device | |
| CN201306300Y (en) | Centrifugal pump self-circulating vacuum-assisted self-priming system | |
| CN102794127A (en) | Circular agitating and dispensing device for double-port hand pump | |
| CN205109552U (en) | Batching blending tank | |
| CN208115673U (en) | A kind of novel bubble medicine machine | |
| CN205472719U (en) | A novel hydrocone type charge device for water supply and drainage pipeline | |
| CN202682853U (en) | Chemical liquid debubbling device | |
| CN206508599U (en) | One kind demulsification tank water cutting device | |
| CN204138401U (en) | A kind of precipitation agent automatic feeder | |
| CN201671840U (en) | Device for extracting underground liquid | |
| CN204625221U (en) | A kind of filling preparation facilities with sewage discharge emergency handling function | |
| CN204028566U (en) | Silicon chip developing fixing device | |
| CN207454283U (en) | A kind of auxiliary pumping device | |
| CN103204573A (en) | Coagulating sedimentation device | |
| CN204093328U (en) | Mixing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20170321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |