CN221310260U - Pretreatment device for chromium wastewater - Google Patents
Pretreatment device for chromium wastewater Download PDFInfo
- Publication number
- CN221310260U CN221310260U CN202322773849.XU CN202322773849U CN221310260U CN 221310260 U CN221310260 U CN 221310260U CN 202322773849 U CN202322773849 U CN 202322773849U CN 221310260 U CN221310260 U CN 221310260U
- Authority
- CN
- China
- Prior art keywords
- tank
- face
- pretreatment
- electromagnetic valve
- box
- 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
- 239000002351 wastewater Substances 0.000 title claims abstract description 23
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 21
- 239000011651 chromium Substances 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000009467 reduction Effects 0.000 claims abstract description 50
- 238000005303 weighing Methods 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000011010 flushing procedure Methods 0.000 claims abstract description 20
- 238000003860 storage Methods 0.000 claims description 36
- 239000007921 spray Substances 0.000 claims description 30
- 239000007787 solid Substances 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 abstract description 64
- 238000000034 method Methods 0.000 abstract description 24
- 230000008569 process Effects 0.000 abstract description 17
- 239000000843 powder Substances 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 7
- 208000036647 Medication errors Diseases 0.000 abstract description 6
- 238000006722 reduction reaction Methods 0.000 description 32
- 239000003814 drug Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 229910001430 chromium ion Inorganic materials 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 208000007502 anemia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000004289 sodium hydrogen sulphite Substances 0.000 description 1
- 229940001584 sodium metabisulfite Drugs 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model relates to the technical field, in particular to a pretreatment device for chromium wastewater, which carries and stirs a reducing agent through a stirring device, weighs powder and granular reducing agent through a weighing device, quantitatively discharges the powder and granular reducing agent into the stirring device, quantitatively adds liquid reducing agent into the stirring device through a quantifying device, reduces the cost of labor in the proportioning and adding processes of the reducing agent, and reduces the resource waste caused by medication errors in the proportioning process through automatic quantitative adding of the reducing agent; the height of the flushing device is changed through the lifting device, and the interior of the stirring device is cleaned through the flushing device, so that the practicability of the device is improved; the device comprises a reduction box and a water valve, wherein a liquid outlet is formed in the lower part of the left end face of the reduction box, a liquid inlet is formed in the upper part of the right end face of the reduction box, and the water valve is arranged on the liquid inlet and the liquid outlet of the reduction box; the device also comprises a stirring device, a weighing device, a quantifying device, a lifting device and a flushing device.
Description
Technical Field
The utility model relates to the technical field of chromium wastewater pretreatment device.
Background
At present, the industry in China rapidly develops, but serious environmental pollution such as industrial waste gas and wastewater pollution is caused at the same time of industrial modernization, so that the method is very important for industrial wastewater treatment; however, industrial wastewater, particularly electroplating wastewater, has complex water quality and difficult control of components; hexavalent chromium in electroplating wastewater can cause lung cancer, gastrointestinal tract diseases and anemia, and can accumulate in bones, spleen and liver; the existing treatment device for chromium-containing electroplating wastewater has low treatment efficiency and is easy to produce secondary pollution; the chromium-containing sewage treatment method mainly comprises a medicament reduction precipitation method, an SO2 reduction method, a scrap iron and iron powder treatment method and the like; typical reducing agents are: sodium metabisulfite, sodium sulfite, sodium bisulphite, sodium dithionite, sodium thiosulfate, ferrous sulfate, sulfur dioxide, hydrazine hydrate, iron dust and the like.
In the process of treating the chromium-containing wastewater by the medicament reduction precipitation method, firstly, collecting the chromium-containing wastewater, then adding an acidic substance into a pH adjusting tank to adjust the pH of the chromium-containing wastewater to be below 4, wherein chromium in the wastewater mainly exists in the form of Cr2O 72-ions, then adding a reducing agent into a reduction reaction tank, pretreating the reducing agent in a dosing device, and simultaneously, mixing and stirring medicaments in the dosing device by a stirring device to ensure that the reaction is more complete, promote the reduction to be more complete, and improve the sewage treatment effect; the added reducing agent can reduce the extremely toxic hexavalent chromium ions into trivalent chromium ions with weaker toxicity, then an alkaline precipitant is added into a precipitation reaction tank to enable the trivalent chromium ions to exist in a precipitate form, and the precipitate is filtered out by a filter tank, so that the treatment of the chromium-containing wastewater is completed.
In the actual treatment process, an operator is required to quantitatively add the reducing agent according to the sewage amount in the reducing tank, and in the process, the operator is required to weigh the reducing agent so as to reduce the waste of resources, but the time required by the manual operation for weighing and adding is long, so that the treatment efficiency of equipment is reduced; secondly, the reducing agent is quantitatively proportioned manually, so that a great deal of energy of operators can be consumed in the continuous production process, and the labor cost is increased.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a method for carrying and stirring a reducing agent through a stirring device, weighing powder and granular reducing agent through a weighing device, quantitatively discharging the powder and granular reducing agent into the stirring device, quantitatively adding liquid reducing agent into the stirring device through a quantifying device, reducing the ratio of the reducing agent and the consumption of labor cost in the adding process, and reducing the resource waste caused by the medication error in the ratio process through automatic quantitative adding of the reducing agent; the height of the flushing device is changed through the lifting device, the inside of the stirring device is cleaned through the flushing device, and the practicality of the device is improved.
The utility model relates to a pretreatment device for chromium wastewater, which comprises a reduction box and a water valve, wherein a liquid outlet is formed in the lower part of the left end face of the reduction box, a liquid inlet is formed in the upper part of the right end face of the reduction box, and the water valve is arranged on the liquid inlet and the liquid outlet of the reduction box; the device also comprises a stirring device, a weighing device, a quantifying device, a lifting device and a flushing device, wherein the stirring device is arranged on the reduction box, and the weighing device is arranged on the reduction box; the quantitative device is arranged on the reduction box, the lifting device is arranged on the reduction box 1, and the flushing device is arranged on the lifting device and connected with the stirring device; carrying and stirring the reducing agent through a stirring device, weighing the powder and the granular reducing agent through a weighing device, quantitatively discharging the powder and the granular reducing agent into the stirring device, quantitatively adding the liquid reducing agent into the stirring device through a quantifying device, reducing the ratio of the reducing agent and the consumption of labor cost in the adding process, and reducing the resource waste caused by the medication error in the ratio process through automatic quantitative addition of the reducing agent; the height of the flushing device is changed through the lifting device, and the stirring device is cleaned through the flushing device, so that the practicability of the device is improved.
Preferably, the stirring device comprises a pretreatment box, a first electromagnetic valve, a first gear motor, a rotating shaft, a stirring rod, a fixed lantern ring and a connecting lantern ring, wherein a reagent adding port is arranged on the upper end surface of the reduction box; the first gear motor is started to drive the rotating shafts to drive the plurality of groups of stirring rods to rotate, so that the reducing agents in the pretreatment tank are stirred and mixed, the reducing agents are uniformly distributed, the prepared reducing agents are added into the reduction tank after the material proportioning and stirring of the reducing agents are finished, the stirring rods are enabled to droop under the condition that the first gear motor stops working through the fixed sleeve ring and the connecting sleeve ring, the cleaning device is prevented from being influenced, the stirring rods are in an unfolding state along with the rotation of the rotating shafts connected with the first gear motor under the working condition of the first gear motor, and the stirring capacity and the space utilization capacity of equipment are improved.
Preferably, the weighing device comprises a solid storage box, a first plate-type electromagnetic valve, a tension sensor, a weighing hopper and a second plate-type electromagnetic valve, wherein the right part of the upper end surface of the reduction box is provided with the solid storage box through a supporting leg, the first plate-type electromagnetic valve is arranged on the lower end surface of the solid storage box, the plurality of groups of tension sensors are arranged on the edge of the lower end surface of the solid storage box through a plurality of groups of connecting rods, the weighing hopper is positioned on the lower side of the first plate-type electromagnetic valve, the upper end surface of the weighing hopper is respectively connected with the plurality of groups of tension sensors through a plurality of groups of steel wire ropes, the lower end surface of the weighing hopper is provided with the second plate-type electromagnetic valve, the output end of the second plate-type electromagnetic valve is communicated with the upper part in the pretreatment box through a pipeline, and the reduction box is provided with a PLC; solid particles and powder reducing agent are stored through a solid storage box, a first plate type electromagnetic valve is opened to add the solid reducing agent in the solid storage box into a weighing hopper, mass change in the weighing hopper is measured through a plurality of groups of tension sensors, data are transmitted to a PLC (programmable logic controller), when the weight in the weighing hopper reaches a preset value, the PLC controls the first plate type electromagnetic valve to close to stop feeding the material into the weighing hopper, and then a second plate type electromagnetic valve is opened to input the solid reducing agent in the weighing hopper into a pretreatment box through a pipeline, so that the automation degree of the device is improved, the labor cost is reduced, and the error of the material adding amount in the batching process is reduced.
Preferably, the device further comprises a vibration motor, and the vibration motor is arranged on a pipeline connected with the output end of the second plate type electromagnetic valve; and the vibration motor is started to transmit power to the pipeline, so that the output of the solid reducing agent in the pipeline is accelerated, the residual quantity of materials in the pipeline is reduced, and the practicability of the device is improved.
Preferably, the quantifying device comprises a liquid storage box, a second electromagnetic valve, a quantifying box, an electric cylinder and a third electromagnetic valve, wherein the liquid storage box is arranged at the upper left part of the upper end surface of the reducing box through a supporting leg, a liquid outlet is formed in the lower end surface of the liquid storage box, the second electromagnetic valve is arranged on the liquid outlet, the output end of the second electromagnetic valve is communicated with the inside of the quantifying box, the electric cylinder is arranged on the left end surface of the quantifying box, the moving end of the electric cylinder penetrates through the left end surface of the quantifying box to enter the inside of the quantifying box, a piston is arranged on the moving end of the electric cylinder, the right part of the quantifying box is communicated with the upper part in the pretreatment box through a pipeline, and the third electromagnetic valve is arranged on the pipeline of the quantifying box; according to the production demand, the extension of the electric cylinder is controlled, so that the effective storage space in the metering box is controlled, then the second electromagnetic valve is opened to release the liquid reducing agent in the liquid storage box into the effective storage space in the metering box, then the third electromagnetic valve is closed, the extension of the electric cylinder is controlled, the piston on the moving end of the electric cylinder pushes the agent in the metering box into the pretreatment box, the automation degree of the device is improved, the configuration precision of the reducing agent is improved, and the labor intensity of operators is reduced.
Preferably, the lifting device comprises a door frame, a second gear motor, a screw rod and a lifting platform, wherein the door frame is arranged on the upper end face of the reduction box, the top of the door frame is positioned on the upper side of the pretreatment box, a group of second gear motors are respectively arranged in front of and behind the upper end face of the door frame, a group of rectangular holes are respectively formed in the front end face and the rear end face of the door frame, the screw rod is vertically arranged in the rectangular holes, the lifting platform is positioned on the lower side of the door frame, and the front part and the rear part of the lifting platform are respectively connected with the front group of screw rod and the rear group of screw rod through nuts; and starting the two groups of second gear motors to transmit power to the two groups of screw rods to drive the two groups of screw rods to rotate, and connecting the screw rods with the lifting platform through nuts to drive the lifting platform to lift and move, so that the height of the flushing device on the lifting platform is changed.
Preferably, the flushing device comprises a water pump, a water tank, a spray plate and a high-pressure water pipe, wherein the water pump and the water tank are arranged on the upper end face of the portal, the input end of the water pump is communicated with the inner bottom of the water tank, a plurality of groups of spray plates are connected on the lower end face of the lifting platform, the lower parts of the spray plates penetrate through the upper end face of the pretreatment box to enter the pretreatment box and can move up and down in the pretreatment box, a plurality of groups of spray heads are arranged on the inner side face and the outer side face of the spray plates, and the output end of the water pump is connected with the plurality of groups of spray heads on the spray plate through the high-pressure water pipe; the water pump is started to pump out the liquid in the water tank, the liquid is pressurized and is transmitted to a plurality of groups of spray heads on the spray plate through the high-pressure water pipe to be sprayed out, the height of spraying in the pretreatment tank is changed by matching with the lifting device, so that the interior of the pretreatment tank is cleaned, and the practicability and the cleaning capacity of the device are improved
Compared with the prior art, the utility model has the beneficial effects that: carrying and stirring the reducing agent through a stirring device, weighing the powder and the granular reducing agent through a weighing device, quantitatively discharging the powder and the granular reducing agent into the stirring device, quantitatively adding the liquid reducing agent into the stirring device through a quantifying device, reducing the ratio of the reducing agent and the consumption of labor cost in the adding process, and reducing the resource waste caused by the medication error in the ratio process through automatic quantitative addition of the reducing agent; the height of the flushing device is changed through the lifting device, and the stirring device is cleaned through the flushing device, so that the practicability of the device is improved.
Drawings
FIG. 1 is a schematic diagram of the axial structure of the present utility model;
FIG. 2 is a schematic view of a first cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of a second cross-sectional structure of the present utility model;
FIG. 4 is a schematic view of a partially enlarged structure of the stirring device;
FIG. 5 is a schematic view of the axial structure of the dosing device;
The reference numerals in the drawings: 1. a reduction box; 2. a water valve; 3. a pretreatment box; 4. a first electromagnetic valve; 5. a first gear motor; 6. a rotating shaft; 7. a stirring rod; 8. a fixed collar; 9. a connecting collar; 10. a solids storage bin; 11. a first plate type electromagnetic valve; 12. a tension sensor; 13. a weighing hopper; 14. a second plate type electromagnetic valve; 15. a vibration motor; 16. a liquid storage tank; 17. a second electromagnetic valve; 18. a quantitative box; 19. an electric cylinder; 20. a third electromagnetic valve; 21. a door frame; 22. a second gear motor; 23. a screw rod; 24. a lifting platform; 25. a water pump; 26. a water tank; 27. a spray plate; 28. high pressure water pipe.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
As shown in fig. 1, 2, 3, 4 and 5, the stirring device is mounted on the reduction box 1, the weighing device is mounted on the reduction box 1, the lifting device is mounted on the reduction box 1, and the flushing device is mounted on the lifting device;
Firstly, according to production requirements, a first plate type electromagnetic valve 11 is opened to add a solid reducing agent in a solid storage box 10 into a weighing hopper 13, mass change in the weighing hopper 13 is measured through a plurality of groups of tension sensors 12, data are transmitted to a PLC controller, when the weight in the weighing hopper 13 reaches a preset value, the PLC controller controls the first plate type electromagnetic valve 11 to close and stop feeding the material into the weighing hopper 13, then a second plate type electromagnetic valve 14 is opened to input the solid reducing agent in the weighing hopper 13 into a pretreatment box 3 through a pipeline, then a first speed reducing motor 5 is opened to transmit power to a rotating shaft 6 to drive a plurality of groups of stirring rods 7 to rotate, so that the reducing agent in the pretreatment box 3 is stirred and mixed uniformly, then a first electromagnetic valve 4 is opened to release the reducing agent into the interior of the reduction box 1, then two groups of second speed reducing motors 22 are opened to transmit power to two groups of lead screws 23 to drive the two groups of lead screws 23 to rotate, the lead screws 23 are connected with a lifting platform 24 through nuts to drive the lifting platform 24 to move down so that a plurality of groups of spray plates 27 enter the pretreatment box 3, then a water pump 25 is opened to drive a plurality of groups of stirring rods 7 to drive a plurality of stirring rods 7 to rotate, and then a water pump 25 to rotate to drive a plurality of groups of stirring rods 7 to rotate, so that the reducing agent in the pretreatment box 3 can be sprayed into the pretreatment box 3 through a high-pressure water tank 28 through a high-pressure water pipe to be sprayed into the pretreatment box 3, and the high-level spray device, and the high-pressure water tank can be sprayed and cleaned up and sprayed on the pretreatment box 3;
The stirring device comprises a pretreatment tank 3, a first electromagnetic valve 4, a first gear motor 5, a rotating shaft 6, a stirring rod 7, a fixed sleeve ring 8 and a connecting sleeve ring 9, wherein a medicament adding port is formed in the upper end face of the reduction tank 1, the pretreatment tank 3 is arranged on the upper end face of the reduction tank 1 through supporting legs, the lower part of the pretreatment tank 3 is communicated with the medicament adding port of the reduction tank 1, the first electromagnetic valve 4 is arranged at the lower part of the pretreatment tank 3, the first gear motor 5 is arranged on the upper end face of the pretreatment tank 3, the output end of the first gear motor 5 penetrates through the upper end face of the pretreatment tank 3 to extend into the pretreatment tank 3 to be connected with the rotating shaft 6, a plurality of groups of fixed sleeve rings 8 are arranged in the middle of the side face of the rotating shaft 6, and the plurality of groups of stirring rods 7 are connected with the plurality of groups of fixed sleeve rings 8 one by one through the connecting sleeve ring 9;
The weighing device comprises a solid storage box 10, a first plate type electromagnetic valve 11, a tension sensor 12, a weighing hopper 13 and a second plate type electromagnetic valve 14, wherein the right part of the upper end surface of the reduction box 1 is provided with the solid storage box 10 through a supporting leg, the first plate type electromagnetic valve 11 is arranged on the lower end surface of the solid storage box 10, the edges of the lower end surface of the solid storage box 10 are provided with a plurality of groups of tension sensors 12 through a plurality of groups of connecting rods, the weighing hopper 13 is positioned at the lower side of the first plate type electromagnetic valve 11, the upper end surface of the weighing hopper 13 is respectively connected with the plurality of groups of tension sensors 12 through a plurality of groups of steel wire ropes, the lower end surface of the weighing hopper 13 is provided with the second plate type electromagnetic valve 14, the output end of the second plate type electromagnetic valve 14 is communicated with the inner upper part of the pretreatment box 3 through a pipeline, and the reduction box 1 is provided with a PLC;
The device also comprises a vibration motor 15, and the vibration motor 15 is arranged on a pipeline connected with the output end of the second plate type electromagnetic valve 14;
The lifting device comprises a portal 21, a second gear motor 22, a lead screw 23 and a lifting platform 24, wherein the portal 21 is arranged on the upper end face of the reduction box 1, the top of the portal 21 is positioned on the upper side of the pretreatment box 3, a group of second gear motors 22 are respectively arranged in front of and behind the upper end face of the portal 21, a group of rectangular holes are respectively formed in the front end face and the rear end face of the portal 21, the lead screw 23 is vertically arranged in the rectangular holes, the lifting platform 24 is positioned on the lower side of the portal 21, and the front part and the rear part of the lifting platform 24 are respectively connected with the front lead screw 23 and the rear lead screw 23 through nuts;
The flushing device comprises a water pump 25, a water tank 26, a spray plate 27 and a high-pressure water pipe 28, wherein the water pump 25 and the water tank 26 are arranged on the upper end face of the portal 21, the input end of the water pump 25 is communicated with the inner bottom of the water tank 26, a plurality of groups of spray plates 27 are connected on the lower end face of the lifting platform 24, the lower part of the spray plate 27 penetrates through the upper end face of the pretreatment box 3 to enter the pretreatment box 3 and can move up and down in the pretreatment box 3, a plurality of groups of spray heads are arranged on the inner side face and the outer side face of the spray plate 27, and the output end of the water pump 25 is connected with the plurality of groups of spray heads on the spray plate 27 through the high-pressure water pipe 28;
Carrying and stirring the reducing agent through a stirring device, weighing the powder and the granular reducing agent through a weighing device, quantitatively discharging the powder and the granular reducing agent into the stirring device, reducing the cost of labor in the proportioning and adding processes of the reducing agent, and reducing the resource waste caused by medication errors in the proportioning process through automatic quantitative adding of the reducing agent; the height of the flushing device is changed through the lifting device, and the stirring device is cleaned through the flushing device, so that the practicability of the device is improved.
Example 2
The improvement on the first embodiment comprises a quantifying device which is arranged on the reduction box 1;
The liquid reducing agent is quantitatively added into the stirring device through the quantitative device, so that the ratio of the reducing agent and the consumption of labor cost in the adding process are reduced, and the resource waste caused by the medication error in the ratio process is reduced through automatic quantitative addition of the reducing agent;
The extension of the electric cylinder 19 is controlled according to production requirements so as to control the effective storage space in the metering box 18, then the second electromagnetic valve 17 is opened to release the liquid reducing agent in the liquid storage box 16 into the effective storage space in the metering box 18, then the third electromagnetic valve 20 is closed to open the second electromagnetic valve 17 and control the extension of the electric cylinder 19 to enable a piston on the moving end of the electric cylinder 19 to push the medicament in the metering box 18 into the pretreatment box 3, so that the automation degree of the device is improved, the configuration precision of the reducing agent is improved, and the labor intensity of operators is reduced;
The quantitative device comprises a liquid storage tank 16, a second electromagnetic valve 17, a quantitative tank 18, an electric cylinder 19 and a third electromagnetic valve 20, wherein the liquid storage tank 16 is installed on the upper left part of the upper end surface of the reduction tank 1 through a supporting leg, a liquid outlet is formed in the lower end surface of the liquid storage tank 16, the second electromagnetic valve 17 is installed on the liquid outlet, the output end of the second electromagnetic valve 17 is communicated with the inside of the quantitative tank 18, the electric cylinder 19 is installed on the left end surface of the quantitative tank 18, the moving end of the electric cylinder 19 penetrates through the left end surface of the quantitative tank 18 to enter the inside of the quantitative tank 18, a piston is arranged on the moving end of the electric cylinder 19, the right part of the quantitative tank 18 is communicated with the inner upper part of the pretreatment tank 3 through a pipeline, and the third electromagnetic valve 20 is installed on the pipeline of the quantitative tank 18.
As shown in fig. 1 to 5, the pretreatment device for chromium wastewater according to the present utility model, when in operation, firstly selects the amounts of solid reducing agent and liquid reducing agent to be used according to production requirements, opens the first plate type electromagnetic valve 11 to add the solid reducing agent in the solid storage tank 10 into the weighing hopper 13, measures the mass change in the weighing hopper 13 through the plurality of groups of tension sensors 12, and transmits data to the PLC controller, when the weight in the weighing hopper 13 reaches a preset value, the PLC controller controls the first plate type electromagnetic valve 11 to close to stop feeding the material into the weighing hopper 13, and then opens the second plate type electromagnetic valve 14 to input the solid reducing agent in the weighing hopper 13 into the pretreatment tank 3 through a pipeline; the extension of the electric cylinder 19 is controlled so as to control the effective storage space in the metering box 18, then the second electromagnetic valve 17 is opened to release the liquid reducing agent in the liquid storage box 16 into the effective storage space in the metering box 18, then the second electromagnetic valve 17 is closed to open the third electromagnetic valve 20 and control the extension of the electric cylinder 19 to enable a piston on the moving end of the electric cylinder 19 to push the medicament in the metering box 18 into the pretreatment box 3, then the first reducing motor 5 is opened to transmit power to the rotating shaft 6 to drive the plurality of groups of stirring rods 7 to rotate, so that the reducing agent in the pretreatment box 3 is stirred and mixed, the reducing agent is uniformly distributed, then the first electromagnetic valve 4 is opened to release the reducing agent into the interior of the reduction box 1, then the two groups of second reducing motor 22 is opened to transmit power to the two groups of lead screws 23 to drive the two groups of lead screws 23 to rotate, the lead screws 23 are connected with the lifting platform 24 through nuts to drive the lifting platform 24 to move down so that the plurality of groups of spray plates 27 enter the interior of the pretreatment box 3, then the water pump 25 is opened to pump the liquid in the water tank 26 and pressurize the liquid in the water tank 27 to be transmitted to the plurality of groups of spray plates 27 through the high-pressure water pipes 28 to the lifting spray heads on the lifting devices on the spray plates 27, and the pretreatment box 3 can be cleaned up in the pretreatment box 3.
The water pump 25, the second gear motor 22, the first plate type electromagnetic valve 11, the tension sensor 12, the second plate type electromagnetic valve 14, the vibration motor 15, the electric cylinder 19, the first electromagnetic valve 4, the third electromagnetic valve 20, the first gear motor 5 and the second electromagnetic valve 17 of the chromium wastewater pretreatment device are purchased in the market, and the person skilled in the art only needs to install and operate according to the attached using instruction, and does not need to carry out creative labor by the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The chromium wastewater pretreatment device comprises a reduction box (1) and a water valve (2), wherein a liquid outlet is formed in the lower part of the left end face of the reduction box (1), a liquid inlet is formed in the upper part of the right end face of the reduction box (1), and the water valve (2) is arranged on the liquid inlet and the liquid outlet of the reduction box (1); the device is characterized by further comprising a stirring device, a weighing device, a quantifying device, a lifting device and a flushing device, wherein the stirring device is arranged on the reduction box (1), and the weighing device is arranged on the reduction box (1); the quantitative device is arranged on the reduction box (1), the lifting device is arranged on the reduction box (1), and the flushing device is arranged on the lifting device and connected with the stirring device.
2. The pretreatment device for chromium wastewater according to claim 1, wherein the stirring device comprises a pretreatment tank (3), a first electromagnetic valve (4), a first gear motor (5), a rotating shaft (6), stirring rods (7), fixing collars (8) and connecting collars (9), a reagent adding port is formed in the upper end face of the reduction tank (1), the pretreatment tank (3) is mounted on the upper end face of the reduction tank (1) through supporting legs, the lower portion of the pretreatment tank (3) is communicated with the reagent adding port of the reduction tank (1), the first electromagnetic valve (4) is mounted on the lower portion of the pretreatment tank (3), the first gear motor (5) is mounted on the upper end face of the pretreatment tank (3), the output end of the first gear motor (5) penetrates through the upper end face of the pretreatment tank (3) to extend to the inside of the pretreatment tank (3) to be connected with the rotating shaft (6), multiple groups of fixing collars (8) are mounted in the middle of the side face of the rotating shaft (6), and multiple groups of stirring rods (7) are connected with the multiple groups of fixing collars (8) one by one through the connecting collars (9).
3. The pretreatment device for chromium wastewater according to claim 1, wherein the weighing device comprises a solid storage box (10), a first plate type electromagnetic valve (11), a tension sensor (12), a weighing hopper (13) and a second plate type electromagnetic valve (14), wherein the solid storage box (10) is installed on the right part of the upper end face of the reduction box (1) through a supporting leg, the first plate type electromagnetic valve (11) is installed on the lower end face of the solid storage box (10), a plurality of groups of tension sensors (12) are installed on the edge of the lower end face of the solid storage box (10) through a plurality of groups of connecting rods, the weighing hopper (13) is located on the lower side of the first plate type electromagnetic valve (11), the upper end face of the weighing hopper (13) is connected with the plurality of groups of tension sensors (12) through a plurality of groups of steel wires respectively, the second plate type electromagnetic valve (14) is installed on the lower end face of the weighing hopper (13), the output end of the second plate type electromagnetic valve (14) is communicated with the inner upper part of the pretreatment box (3) through a pipeline, and a PLC controller is arranged on the reduction box (1).
4. A chromium wastewater pretreatment apparatus according to claim 3, further comprising a vibration motor (15), wherein the vibration motor (15) is mounted on a pipe connected to the output end of the second plate type electromagnetic valve (14).
5. The pretreatment device for chromium wastewater according to claim 1, characterized in that the quantitative device comprises a liquid storage tank (16), a second electromagnetic valve (17), a quantitative tank (18), an electric cylinder (19) and a third electromagnetic valve (20), wherein the liquid storage tank (16) is installed on the upper left part of the upper end surface of the reduction tank (1) through a supporting leg, a liquid outlet is formed in the lower end surface of the liquid storage tank (16), the second electromagnetic valve (17) is installed on the liquid outlet, the output end of the second electromagnetic valve (17) is communicated with the interior of the quantitative tank (18), the electric cylinder (19) is installed on the left end surface of the quantitative tank (18), the moving end of the electric cylinder (19) penetrates through the left end surface of the quantitative tank (18) to enter the interior of the quantitative tank (18), a piston is arranged on the moving end of the electric cylinder (19), the right part of the quantitative tank (18) is communicated with the inner upper part of the pretreatment tank (3) through a pipeline, and the third electromagnetic valve (20) is installed on the pipeline of the quantitative tank (18).
6. The pretreatment device for chromium wastewater according to claim 1, wherein the lifting device comprises a portal (21), a second gear motor (22), a screw rod (23) and a lifting platform (24), wherein the portal (21) is installed on the upper end face of the reduction box (1), the top of the portal (21) is positioned on the upper side of the pretreatment box (3), a group of second gear motors (22) are respectively installed before and after the upper end face of the portal (21), a group of rectangular holes are respectively formed in the front end face and the rear end face of the portal (21), screw rods (23) are vertically installed in the rectangular holes, the lifting platform (24) is positioned on the lower side of the portal (21), and the front part and the rear part of the lifting platform (24) are respectively connected with the front screw rod and the rear screw rod (23) through nuts.
7. The pretreatment device for chromium wastewater according to claim 6, wherein the flushing device comprises a water pump (25), a water tank (26), a spray plate (27) and a high-pressure water pipe (28), wherein the water pump (25) and the water tank (26) are installed on the upper end face of the gantry (21), the input end of the water pump (25) is communicated with the inner bottom of the water tank (26), a plurality of groups of spray plates (27) are connected on the lower end face of the lifting platform (24), the lower part of the spray plate (27) penetrates through the upper end face of the pretreatment box (3) to enter the pretreatment box (3) and can move up and down in the pretreatment box (3), a plurality of groups of spray heads are installed on the inner side face and the outer side face of the spray plate (27), and the output end of the water pump (25) is connected with the plurality of groups of spray heads on the spray plate (27) through the high-pressure water pipe (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322773849.XU CN221310260U (en) | 2023-10-17 | 2023-10-17 | Pretreatment device for chromium wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322773849.XU CN221310260U (en) | 2023-10-17 | 2023-10-17 | Pretreatment device for chromium wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221310260U true CN221310260U (en) | 2024-07-12 |
Family
ID=91800172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322773849.XU Active CN221310260U (en) | 2023-10-17 | 2023-10-17 | Pretreatment device for chromium wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221310260U (en) |
-
2023
- 2023-10-17 CN CN202322773849.XU patent/CN221310260U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102601870B (en) | Dust-free concrete production device and production process of dust-free concrete | |
| CN101497218A (en) | Concrete continuous stirring and conveying system device | |
| CN107772520B (en) | Premix feed ingredient mixing equipment and feed production system | |
| CN112643890A (en) | Concrete production is with dividing sieve dosing unit | |
| CN206184375U (en) | Coating mixing stirring device | |
| CN221310260U (en) | Pretreatment device for chromium wastewater | |
| CN210453255U (en) | Intelligent automatic pulping station | |
| CN105413527A (en) | Efficient cooling storage agent stirring device | |
| CN205238303U (en) | Mixing conveyer of brick maker | |
| CN219882898U (en) | Batching system for preparing concrete from industrial waste residues | |
| CN202112275U (en) | Fat partner adding system | |
| CN207872012U (en) | Full-automatic agent-feeding device | |
| CN214716401U (en) | Material ration compounding device for building | |
| CN202428556U (en) | Colorized ultrafine powder uniform mixing production line | |
| CN214925821U (en) | Construction equipment for curing building slurry | |
| CN203990356U (en) | The dustless automatic control powder stirring of a kind of continous way device | |
| CN210699708U (en) | Raw material mixing equipment for chemical production | |
| CN103128858A (en) | Aluminum powder mixing and metering device | |
| CN112792984A (en) | Construction process and equipment for curing building slurry | |
| CN202556575U (en) | Dust-free concrete production device | |
| CN111283876A (en) | Concrete batching and stirring system for laboratory | |
| CN212017484U (en) | Weighing tank with pretreatment function | |
| CN218088997U (en) | Utilize sled piece formula charge device of vacuum material loading technique | |
| CN220700023U (en) | Concrete stirring device for test | |
| CN218700061U (en) | Automatic weighing and stirring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |