CN215234058U

CN215234058U - Medicine adding system capable of automatically adjusting flow

Info

Publication number: CN215234058U
Application number: CN202120405060.7U
Authority: CN
Inventors: 钱洪泽; 罗凯捷; 赵闯; 王凌文; 郁欣荣; 王辛男
Original assignee: Zhejiang Chenghuan Environmental Pollution Control Technology Research Institute
Current assignee: Zhejiang Chenghuan Environmental Pollution Control Technology Research Institute
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-12-21
Anticipated expiration: 2031-02-24

Abstract

The utility model discloses an automatic adjust charge system of flow, join in marriage including the medicament and throw device and PLC controlling means, the medicament is joined in marriage and is thrown the device and pass through defeated medicine pipeline and reaction tank intercommunication, the reaction tank still is linked together through sewer line and sewage conveyor, PLC controlling means join in marriage with the medicament respectively through the cable and throws device and sewage conveyor electric connection. The utility model discloses a sewage conveyor promotes sewage to the reaction tank in, and the medicament is joined in marriage and is thrown the device and throw the medicament and deliver to the reaction tank in, handles sewage after medicament and sewage contact, controls the flow of medicament and sewage respectively through setting up PLC controlling means, can the addition of remote adjustment medicament, can prevent the quality of water variation, ensures that the quality of water after handling reaches emission standard.

Description

Medicine adding system capable of automatically adjusting flow

Technical Field

The utility model relates to a waste water treatment field, concretely relates to automatic medicine system of flow of adjusting.

Background

In the field of sewage treatment, chemical agents are generally required to be added to react with and remove part of pollutants in a water body. However, at present, most of the dosing in the sewage treatment process adopts a method of manually adjusting a dosing pump, only part of indexes such as pH, ORP, residual chlorine and the like can be automatically controlled and dosed through linkage control with an online instrument, and in the operation process of a sewage treatment station, the manual operation is unstable, the flow changes easily cause fluctuation, the accurate dosing and automatic flow adjustment of the medicament cannot be realized, and the flow changes caused by the blockage of a pump body or a pipeline and the like often occur. Unstable adding of the medicament can directly cause the fluctuation of the effluent quality, and also can cause the waste of the medicament and increase the operation and treatment cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic medicine system of adjusting flow has provided, can effectively solve manually operation's instability in the background art, and flow variation arouses easily undulant, can not realize that the accuracy of medicament is thrown and is thrown the problem of adding and automatic flow adjustment.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides an automatic adjust charge system of flow, includes that the medicament joins in marriage and throws device and PLC controlling means, the medicament joins in marriage and throws the device and pass through defeated medicine pipeline and reaction tank intercommunication, the reaction tank still is linked together through defeated dirty pipeline and sewage conveyor, PLC controlling means joins in marriage with the medicament respectively and throws device and sewage conveyor electric connection through the cable.

Preferably, sewage conveyor includes the sewage collecting pit, be provided with the sewage elevator pump in the sewage collecting pit, the sewage elevator pump is linked together through defeated dirty pipeline and reaction tank, be provided with electromagnetic flowmeter on the defeated dirty pipeline, PLC controlling means passes through cable and sewage elevator pump and electromagnetic flowmeter electric connection.

Preferably, the medicament dispensing and feeding device comprises a medicament dispensing barrel, the bottom of the medicament dispensing barrel is sequentially communicated with a medicament transfer pump, a medicament dispensing barrel and a medicament dispensing pump through a medicament delivery pipeline, finally the medicament dispensing pump conveys medicaments to the reaction tank through the medicament delivery pipeline, a rotor flow meter is arranged on the medicament delivery pipeline between the medicament dispensing barrel and the reaction tank, and the PLC control device is electrically connected with the medicament transfer pump, the medicament dispensing pump and the rotor flow meter through cables.

Preferably, a Y-filter and a pressure gauge are arranged between the drug dosing pump and the drug dosing barrel.

Preferably, a damper and a back pressure valve are further arranged on a drug delivery pipeline between the drug adding barrel and the reaction tank.

Preferably, a loose joint ball valve is further arranged on the medicine conveying pipeline between the medicine feeding barrel and the reaction tank, an overhaul pipeline is arranged between the medicine feeding barrel and the reaction tank, one end of the overhaul pipeline is communicated with the top of the medicine feeding barrel, the other end of the overhaul pipeline is communicated with the medicine conveying pipeline at the bottom of the medicine preparation barrel, and the loose joint ball valve is arranged between connection points of the overhaul pipeline and the medicine conveying pipeline on the medicine conveying pipeline.

Preferably, the top of the medicament configuration barrel is provided with a water inlet and a medicament inlet, the water inlet is communicated with an external water barrel through a water pipe, and the medicament inlet is communicated with an external medicament barrel through a medicament conveying pipeline.

Preferably, the medicament feeding barrel is made of transparent materials, and the outer wall of the medicament feeding barrel is provided with a scale.

The utility model provides an automatic adjust medicine system of flow possesses following beneficial effect: promote sewage to the reaction tank in through sewage conveyor, the medicament is joined in marriage and is thrown the device and throw the medicament and deliver to the reaction tank in, and the medicament is handled sewage after contacting with sewage, controls the flow of medicament and sewage respectively through setting up PLC controlling means, can the addition of remote adjustment medicament, can prevent the quality of water variation, ensures that the quality of water after handling reaches emission standard.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. a PLC control device; 2. a sewage conveying device; 201. a sewage collection tank; 202. a sewage lift pump; 203. an electromagnetic flow meter; 3. a medicament dispensing device; 301. a medicament dispensing cartridge; 302. a drug transfer pump; 303. a medicament dosing barrel; 304. a drug dosing pump; 4. a cable; 5. a rotameter; 6. a Y-type filter; 7. a pressure gauge; 8. a damper; 9. a back pressure valve; 10. a loose joint ball valve; 11. overhauling the pipeline; 12. a connection point; 13. a water inlet; 14. a medicine inlet; 15. a graduated scale; 16. a drug delivery conduit; 17. a sewage conveying pipeline; 18. and (4) a stirring device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined to clearly and completely describe the technical solutions in the embodiments of the present invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the first embodiment, as shown in fig. 1, a dosing system capable of automatically adjusting flow rate includes a chemical dosing device 3 and a PLC control device 1, the chemical dosing device 3 is communicated with a reaction tank through a chemical delivery pipeline 16, the reaction tank is further communicated with a sewage conveying device 2 through a sewage delivery pipeline 17, and the PLC control device 1 is electrically connected with the chemical dosing device 3 and the sewage conveying device 2 through cables 4.

The working principle is as follows: promote sewage to the reaction tank in through sewage conveyor 2, the medicament is joined in marriage and is thrown device 3 and deliver to the reaction tank with the medicament, handles sewage after medicament and sewage contact, controls the flow of medicament and sewage respectively through setting up PLC controlling means 1, can the addition of remote adjustment medicament, can prevent the quality of water variation, ensures that the quality of water after handling reaches emission standard.

In a second embodiment, the present embodiment is taken as a preferred technical solution of the first embodiment, the sewage conveying device 2 includes a sewage collecting tank 201, a sewage lift pump 202 is disposed in the sewage collecting tank 201, the sewage lift pump 202 is communicated with the reaction tank through a sewage conveying pipeline 17, an electromagnetic flowmeter 203 is disposed on the sewage conveying pipeline, and the PLC control device 1 is electrically connected with the sewage lift pump 202 and the electromagnetic flowmeter 203 through a cable 4. Sewage is collected in sewage collecting tank 201 to carry to the reaction tank in through sewage elevator pump 202, the electromagnetic flowmeter 203 and the 1 electric connection of PLC controlling means that set up on the defeated dirty pipeline, electromagnetic flowmeter 203 can transmit real-time flow to PLC controlling means 1, so that PLC controlling means 1 carries out automatic control to this device. The electromagnetic flowmeter 203 needs to be accurately installed, can accurately measure the sewage flow, has 4-20 mA output signals and timely transmits the signals to the PLC control device 1.

In a third embodiment, as a preferred technical solution of the first embodiment, the drug dispensing device 3 includes a drug dispensing barrel 301, the bottom of the drug dispensing barrel 301 is sequentially communicated with the drug transfer pump 302, the drug dispensing barrel 303 and the drug dispensing pump 304 through a drug delivery pipe 16, finally the drug dispensing pump 304 delivers the drug to the reaction tank through the drug delivery pipe 16, a rotameter 5 is disposed on the drug delivery pipe 16 between the drug dispensing barrel 303 and the reaction tank, and the PLC control device 1 is electrically connected to the drug transfer pump 302, the drug dispensing pump 304 and the rotameter 5 through cables 4.

In the present embodiment, a Y-filter 6 and a pressure gauge 7 are provided between the drug administration pump 304 and the drug administration barrel 303. Y type filter 6 can intercept large granule impurity, prevents that the pipeline from blockking up, can reflect the pipeline internal pressure size through setting up manometer 7, when blockking up, the pressure in the pipeline can increase, manometer 7's numerical value increase to monitor the pipeline jam condition.

A damper 8 and a back pressure valve 9 are also arranged on a drug delivery pipeline 16 between the drug adding barrel 303 and the reaction tank. The damper 8 and the backpressure valve 9 can make the output flow of the medicament dosing pump 304 relatively stable, reduce the damage of a water hammer to the device, reduce the peak value of flow velocity fluctuation, and protect pipelines and joint devices from being impacted by pressure fluctuation.

Still be provided with loose joint ball valve 10 on the medicine conveying pipeline 16 between bucket 303 and the reaction tank is thrown to the medicament, is provided with between bucket 303 and the reaction tank and overhauls pipeline 11 to medicament, and the one end intercommunication of overhauing pipeline 11 is at the top of bucket 303 is thrown to the medicament, and the other end intercommunication of overhauing pipeline 11 is on the medicine conveying pipeline 16 of medicament configuration bucket 301 bottom, and loose joint ball valve 10 sets up between the tie point 12 of overhauing pipeline 11 and medicine conveying pipeline 16. The loose joint ball valve 10 is arranged on the medicine conveying pipeline 16, and when the loose joint ball valve 10 is overhauled, the position of the loose joint ball valve 10 is adjusted, so that different sections of the medicine conveying pipeline 16 can be overhauled.

The top of the medicament configuration barrel 301 is provided with a water inlet 13 and a medicament inlet 14, the water inlet 13 is communicated with an external water barrel through a water pipe, and the medicament inlet 14 is communicated with an external medicament barrel through a medicament conveying pipeline 16. The medicament preparation barrel is internally provided with a stirring device 18, and the water entering from the water inlet 13 and the medicament entering from the medicament inlet 14 are mixed by the stirring device 18 to fully dissolve the medicament.

The medicine is thrown and is added bucket 303 and be transparent material, the medicine is thrown and is added bucket 303 outer wall and be provided with scale 15, the scale 15 that the bucket surface set up is thrown to the medicine, transparent medicine is thrown and is added bucket 303 and can react the actual quantity of medicine, and simultaneously, the medicine is thrown and is provided with quantity feedback device in the bucket 303, quantity feedback device and PLC controlling means 1 electric connection, when the quantity is less than the threshold value, transmission signal to PLC controlling means 1, it is further, PLC controlling means 1 sends control signal to the interior electric control unit of whole device, adjust medicine quantity and sewage volume, guarantee that sewage volume and medicine volume are in under the condition that sets up, the medicine is thrown and is added pump 304 again to open, prevent that the medicine quantity from appearing the mistake, and then can promote device's stability.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; the pattern filling in the drawings of the utility model does not represent the material of the structure, and only distinguishes the structure; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an automatic medicine system of adjusting flow which characterized in that: the device comprises a medicament dispensing device and a PLC control device, wherein the medicament dispensing device is communicated with a reaction tank through a medicament conveying pipeline, the reaction tank is communicated with a sewage conveying device through a sewage conveying pipeline, and the PLC control device is respectively electrically connected with the medicament dispensing device and the sewage conveying device through cables.

2. The self-regulating dosing system of claim 1, wherein: the sewage conveying device comprises a sewage collecting tank, a sewage lifting pump is arranged in the sewage collecting tank, the sewage lifting pump is communicated with the reaction tank through a sewage conveying pipeline, an electromagnetic flow meter is arranged on the sewage conveying pipeline, and the PLC control device is electrically connected with the sewage lifting pump and the electromagnetic flow meter through cables.

3. The self-regulating dosing system of claim 1, wherein: the device is thrown to medicament preparation includes the medicament configuration bucket, medicament configuration barrel head portion is through the medicine pipeline in proper order with medicament transfer pump, medicament throw with the bucket and medicament throw with the pump and be linked together, at last the medicament throw with the pump through the medicine pipeline with carry the medicament to the reaction tank, be provided with the rotameter on the medicine pipeline between medicament throw bucket and the reaction tank, PLC controlling means throws with medicament transfer pump, medicament respectively and adds pump and rotameter electric connection through the cable.

4. The self-regulating dosing system of claim 3, wherein: and a Y-shaped filter and a pressure gauge are arranged between the medicament feeding pump and the medicament feeding barrel.

5. The self-regulating dosing system of claim 3, wherein: and a damper and a back pressure valve are also arranged on a drug delivery pipeline between the drug adding barrel and the reaction tank.

6. The self-regulating dosing system of claim 3, wherein: still be provided with the loose joint ball valve on the medicine conveying pipeline between medicine throw barrel and the reaction tank, medicine is thrown and is provided with the maintenance pipeline between barrel and the reaction tank, the one end intercommunication of maintenance pipeline is thrown the top of barrel at the medicine, the other end intercommunication of maintenance pipeline is on the medicine conveying pipeline of medicine configuration barrel head portion, the loose joint ball valve sets up on the medicine conveying pipeline between the tie point of maintenance pipeline and medicine conveying pipeline.

7. The self-regulating dosing system of claim 3, wherein: the top of the medicament preparation barrel is provided with a water inlet and a medicament inlet, the water inlet is communicated with an external water barrel through a water pipe, and the medicament inlet is communicated with an external medicament barrel through a medicament conveying pipeline.

8. The self-regulating dosing system of claim 3, wherein: the medicament feeding barrel is made of transparent materials, and a scale is arranged on the outer wall of the medicament feeding barrel.