Medicine pharmacy effluent treatment plant
Technical Field
The invention relates to the technical field of pharmaceutical wastewater treatment, in particular to a pharmaceutical wastewater treatment device.
Background
More industrial waste water can often be produced in modern pharmacy field, including unnecessary sample impurity, standard curve and sample analysis raffinate, the storage liquid and the lotion of inefficacy, a large amount of washing water etc. at present, generally add waste water treatment agent and then mix the processing through the mode of mixing the stirring in the waste water to pharmaceutical industry waste water treatment in-process, but its stirring mode of waste water treatment device among the tradition is single, it is poor to mix the homogeneity, seriously influence waste water treatment effect and treatment effeciency, though there is stirring structure to stir chemical, but the scope of stirring is limited, can not guarantee with the degree of consistency of chemical stirring, reduce waste water treatment's efficiency.
And because the pharmaceutical wastewater also contains heavy metals such as chromium, arsenic and the like, if the treatment is improper, the environment can be seriously influenced after the discharge, and the processes of iron-carbon micro-electrolysis, chemical precipitation and filtration combined with carbon stone fiber adsorption removal adopted in the prior treatment all have the defects, so that the COD after the treatment is easily increased, the discharge requirement cannot be met, and the further treatment is still needed.
Therefore, it is important to design a pharmaceutical wastewater treatment device to overcome the above technical defects and improve the overall practicability.
Disclosure of Invention
The invention aims to provide a pharmaceutical and pharmaceutical wastewater treatment device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a medicine pharmacy effluent treatment plant, including the waste water treatment jar, waste water treatment jar one side has the nanometer iron to generate the device through the inlet liquid pipe connection, the opposite side of waste water treatment jar passes through atomizing device and connects the holding vessel, the top of waste water treatment jar is provided with double slide, the top sliding connection of double slide has the sliding plate, install the motor on the sliding plate, one side of double slide is provided with the book type support that inboard installation promoted the cylinder, the drive end and the motor fixed connection that promote the cylinder, the drive end of motor is connected with the pivot, multiunit stirring fan blade has been cup jointed to the one end in the waste water treatment jar to the pivot, the interior bottom surface of waste water treatment jar is installed pH and is detected the sensor, the side bottom of waste water treatment jar is equipped with the discharge port.
Furthermore, a sliding groove for the rotating shaft to pass through is arranged at the top of the wastewater treatment tank and at the position corresponding to the rotating shaft.
The spout can supply the pivot to pass through when horizontal activity, guarantees that the pivot rotates the function realization of carrying out the stirring in to the waste water treatment jar.
Further, the nano-iron generates the reaction tank that the inlet was seted up to the device including the open and bottom in top, be fixed with insulating barrier at the open department in top between the front of reaction tank and the back, insulating barrier bottom sealing connection has the fixed bolster that is located between front and the back and the cross-section is the shape of falling U in the reaction tank, form the open mixed zone in bottom between the front of fixed bolster and reaction tank and the back, the liquid outlet with mixed zone intercommunication is seted up to the front wall of reaction tank or back wall, the liquid outlet is connected with the feed liquor pipe, the inherent fixed bolster of reaction tank's below is fixed with the sieve the same with reaction tank cross sectional area, form the reaction zone between the bottom in mixed zone and the sieve, circular telegram electrode is installed to two lateral walls of reaction tank above the sieve.
The nano iron particles have good electrochemistry, coordination chemistry and redox characteristics, the nano iron is in contact reaction with heavy metal in the wastewater through three actions of adsorption, reduction and precipitation/coprecipitation and removes heavy metal ions, the nano iron enters a reaction zone at the bottom of the fixed partition plate through self gravity action after the metal iron particles are added into the reaction tank, is in mixed reaction with liquid of a liquid inlet below the reaction zone and generates nano metal particles in the mixed zone, automatic supplement of raw materials can be realized through gravitational potential energy, automatic blanking is realized, and therefore the nano iron is guaranteed to be always in the best working condition.
Furthermore, a blanking channel is formed between each of two sides of the fixed partition plate and the corresponding side wall of the reaction chamber, and material guide plates which are vertically staggered and used for guiding materials downwards are respectively fixed on the inner walls of the fixed partition plate and the reaction chamber of the blanking channel.
The feeding plate for feeding materials downwards is arranged in the feeding channel, so that metal particles can be guided to flow downwards under the action of gravity to enter the reaction area, the feeding efficiency is improved, and the situation that the feeding channel is blocked by raw materials is reduced.
Furthermore, the bottom of the wastewater treatment tank is provided with a sludge discharge port, the sludge discharge port is connected with a filter press through a pipeline, and a filtrate outlet of the filter press is connected with a liquid inlet pipeline through a return pipe.
And the heavy metal ions contained in the sludge are removed by utilizing the circular treatment, so that the pollution of the sludge to the environment is reduced.
Further, atomizing device is including setting up the atomizer outside waste water treatment jar, transversely fixing outlet duct and the air compressor machine in waste water treatment jar bottom, and the outlet duct tip is connected with the connecting pipe through the check valve in waste water treatment jar's outside, and the connecting pipe is connected with the air compressor machine, and the exit end and the connecting pipe intercommunication of atomizer, the entrance point of atomizer are connected to the holding vessel through flow pump, the inlet end and the air compressor machine intercommunication of atomizer.
Through atomizer and air compressor machine combination, send into in the waste water treatment jar through the outlet duct after atomizing hydrogen peroxide in the holding vessel for throwing of hydrogen peroxide solution is thrown and is thrown more evenly, and has realized the flash mixed of hydrogen peroxide solution and waste water, can effectively improve the utilization ratio of hydrogen peroxide solution.
Furthermore, the front of the wastewater treatment tank is provided with a control panel, and the control panel is respectively electrically connected with the motor, the pushing cylinder, the pH detection sensor, the check valve and the air compressor through leads.
The front of the wastewater treatment tank is provided with the control panel, and each electric device of the whole treatment equipment can be controlled by the control panel, so that the operation and the use are convenient.
Further, the vertical cavity that is provided with in the pivot, the pivot surface set up between stirring fan blade with the opening of cavity intercommunication, the pivot is connected with through rotary joint above the waste water treatment jar with cavity intercommunication and tip telescopic dosing pipe.
Set up the cavity in the pivot, can be used to the liquid medicine to pass through, add the pencil and pass through the swivelling joint and be connected the back with the cavity, can send the liquid medicine in the pencil into the cavity, discharge through the epaxial opening of commentaries on classics and waste water mix, can promote the mixing efficiency of liquid medicine and waste water.
Further, the rotary joint establishes the fixed cover in the pivot including the cover, all be formed with annular first seal groove and second seal groove on the both ends inner wall of fixed cover and the pivot outer wall that corresponds, through the ball roll connection that sets up in the second seal groove between fixed cover and the pivot, install O type sealing washer in first seal groove department between fixed cover and the pivot, fixed set up on set up with add medicine pipe end portion sealing connection's play medicine mouth, the pivot is seted up between two second seal grooves with the medicine mouth that advances of inner chamber intercommunication.
The rotary joint can be rotatably arranged on the outer wall of the rotating shaft through the fixed sleeve, the two sides of the rotary joint are connected in a rolling manner through balls, the sealing rings on the two sides are matched for sealing, and the chemical feeding pipe is communicated with the rotating shaft in a rotating manner.
Furthermore, the stirring fan blades are designed to be S-shaped structures, and through holes are formed in the front faces of the stirring fan blades.
Compared with the prior art, the invention has the beneficial effects that:
carry out the hydrogen peroxide atomizing and mix with compressed air, throw in waste water treatment tank through the outlet duct, not only make throwing of hydrogen peroxide throw with more even, and realized the flash mixed of hydrogen peroxide and waste water, can effectively improve the utilization ratio of hydrogen peroxide, also combine together electrolytic flocculation and fenton reaction in the treatment tank simultaneously, this characteristic of high reactivity of the nascent state ferrous ion that utilizes the electrolysis principle to produce, react with hydrogen peroxide solution, can effectively improve the production volume of OH, can effectively improve reaction rate simultaneously, the treatment effect is good. Automatic blanking can be realized in the nano-iron generating device, and the optimal working condition is ensured.
The motor can be driven to move left and right on the double-row slideway by the pushing cylinder, so that the rotating shaft and the stirring fan blades are stirred uniformly left and right in the wastewater treatment tank, the fusion of wastewater and chemical substances is accelerated, the reaction time is saved, and the treatment efficiency is improved. The cavity is established in the pivot and is passed through rotary joint and dosing pipe intercommunication, can send into the retort with the liquid medicine and carry out the intensive mixing when the stirring, has promoted the mixed effect of liquid medicine, improves reaction rate.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a view showing the internal structure of a wastewater treatment tank according to the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a top sectional view of fig. 3.
Fig. 5 is a schematic structural view of the nano-iron generating apparatus according to the present invention.
In the figure: 1. a wastewater treatment tank; 2. a nano-iron generating device; 3. a storage tank; 4. a liquid inlet; 5. a fold-type stent; 6. a push cylinder; 7. a motor; 8. a rotating joint; 9. a medicine feeding pipe; 10. double rows of slideways; 11. a liquid inlet pipeline; 12. a control panel; 13. a check valve; 14. a flow pump 15, an atomizer; 16. an air compressor; 17. a connecting pipe; 18. a sludge discharge port; 19. a cavity 20, a rotating shaft; 21. an acid-base detection sensor; 22. a stirring fan blade; 23. fixing a sleeve; 24. a seal ring; 25. a ball bearing; 26. a sliding plate; 27. a liquid inlet buffer area; 28. a sieve plate; 29. an electrode; 30. a nano-metal particle reaction zone; 31. a spacing clapboard; 32. a material guide plate; 33. a liquid outlet; 34. a nano-metal particle mixing zone; 35. metal particles; 36. an insulating spacer; 37. a blanking channel 38, a reaction tank 39, a fixed clapboard 40, an air outlet pipe 41 and a medicine inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a pharmaceutical and pharmaceutical wastewater treatment device comprises a wastewater treatment tank 1, one side of the wastewater treatment tank 1 is connected with a nano-iron generation device 2 through a liquid inlet pipeline 11, the other side of the wastewater treatment tank 1 is fixed with a storage tank 3, hydrogen peroxide solution is stored in the storage tank 3, the storage tank 3 is connected with the wastewater treatment tank 1 through an atomization device, the top of the wastewater treatment tank 1 is provided with a double-row slideway 10, the top of the double-row slideway 10 is connected with a sliding plate 26 in a sliding way, the sliding plate 26 is provided with a motor 7, one side of the double-row slideway 10 is provided with a folding bracket 5 of which the inner side is provided with a pushing cylinder 6, the driving end of the pushing cylinder 6 is fixedly connected with the motor 7, the driving end of the motor 7 is connected with a rotating shaft 20, one end of the rotating shaft 20 extending into the wastewater treatment tank 1 is sleeved with a plurality of stirring fan blades 22, and the inner bottom surface of the wastewater treatment tank 1 is provided with an acid-base detection sensor 21, the bottom of the side surface of the wastewater treatment tank 1 is provided with a discharge port and a discharge valve. The bottom of the wastewater treatment tank 1 is provided with a sludge discharge port 18, the sludge discharge port 18 is connected with a filter press through a pipeline, and a filtrate outlet of the filter press is connected with the liquid inlet pipeline 11 through a return pipe.
The top of the wastewater treatment tank 1 and the position corresponding to the rotating shaft 20 are provided with a chute for the rotating shaft 20 to pass through.
In this embodiment: as shown in fig. 3, the nano-iron generating apparatus 2 includes a reaction tank 38 with an open top and a liquid inlet 4 formed at the bottom, an insulating partition 36 is fixed at the open top between the front and the back of the reaction tank 38, a fixed partition 39 with an inverted U-shaped cross section is hermetically connected at the bottom of the insulating partition 36 in the reaction tank 38, a mixing zone 34 with an open bottom is formed between the fixed partition 39 and the front and the back of the reaction tank 38, a liquid outlet 33 communicated with the mixing zone 34 is formed on the front wall or the back wall of the reaction tank 38, the liquid outlet 33 is connected with the liquid inlet pipe 11, a sieve plate 28 with the same cross-sectional area as that of the reaction tank 38 is fixed below the fixed partition 39 in the reaction tank 38, a reaction zone 30 is formed between the bottom of the mixing zone 34 and the sieve plate 28, and a conducting electrode 29 is installed above the sieve plate 28 on two side walls of the reaction tank 38.
A feeding channel 37 is formed between each of two sides of the fixed partition 39 and the corresponding sidewall of the reaction tank 38, and the feeding plates 32, which are vertically staggered and used for feeding materials downwards, are fixed on the inner walls of the fixed partition 39 and the reaction tank 38 of the feeding channel 37. The cross section of the electrode 29 is a right triangle, and two right-angled sides of the right triangle are respectively positioned on the side wall of the reaction tank 38 and the sieve plate 28. The wall plate of the reaction tank 38 on one side of the mixing zone 34 is made of transparent material, so that the height of the material level of the reactor and the height of the metal particles in the reaction area of the reactor can be observed at any time, and the feeding process and the working state of the reactor can be monitored conveniently in real time.
As shown in fig. 1, the atomization device comprises an atomizer 15 arranged outside the wastewater treatment tank 1, an air outlet pipe 40 transversely fixed at the bottom in the wastewater treatment tank 1 and an air compressor 16, the end of the air outlet pipe 40 is connected with a connecting pipe 17 outside the wastewater treatment tank 1 through a check valve 13, the connecting pipe 17 is connected with the air compressor 16, the outlet end of the atomizer 15 is communicated with the connecting pipe 17, the inlet end of the atomizer 15 is connected to the storage tank 3 through a flow pump 14, and the air inlet end of the atomizer 15 is communicated with the air compressor 16.
OH generated in the reaction process of the nano iron ions and the hydrogen peroxide has strong oxidability, and organic matters in the wastewater are effectively oxidated and explained.
For the convenience of operation, the front surface of the wastewater treatment tank 1 is provided with a control panel 12, and the control panel 12 is electrically connected with the motor 7, the pushing cylinder 6, the pH value detection sensor 21, the check valve 13 and the air compressor 16 through leads.
The vertical cavity 19 that is provided with in the pivot 20, the pivot 20 surface is seted up the opening with cavity 19 intercommunication between stirring fan blade 22, and pivot 20 is connected with through rotary joint and is linked together and tip telescopic dosing pipe 9 with cavity 19 above waste water treatment tank 1. Add the tip design of pencil 9 and be scalable structure, conveniently follow pivot 20 at horizontal reciprocating motion, according to the reaction needs, select the medicament in pencil 9 for carry out different processing to the waste water of reaction, can use the flocculating agent, after fenton's reaction, carry out the flocculation and precipitation to waste water through adding the flocculating agent.
The rotary joint comprises a fixed sleeve 23 which is sleeved on the rotating shaft 20, annular first sealing grooves and second sealing grooves are formed in the inner walls of the two ends of the fixed sleeve 23 and the outer wall of the corresponding rotating shaft 20, the fixed sleeve 23 is in rolling connection with the rotating shaft 20 through balls 25 which are arranged in the second sealing grooves, an O-shaped sealing ring 24 is arranged between the fixed sleeve 23 and the rotating shaft 20 at the first sealing groove, a medicine outlet which is connected with the end part of the medicine feeding pipe 9 in a sealing manner is formed in the fixed sleeve 23, and a medicine feeding port 41 which is communicated with the inner cavity 19 is formed in the rotating shaft 20 between the two second sealing grooves.
The working process of the invention is as follows:
when in use, firstly, the upper part of the nano-iron generating device 2 is opened and filled with the small metallic iron particle balls, the two side electrified electrodes 29 are switched on, when the wastewater passes through the liquid inlet 4 of the nano-iron generating device 2 from bottom to top under the action of the pump, nano-iron ions generated in the device act with the wastewater and enter the wastewater reaction tank 1 from the liquid outlet 33,
the air compressor 16 is started through the control panel 12, the check valve 13 is opened, the atomizer 15 atomizes hydrogen peroxide and mixes the hydrogen peroxide with compressed air discharged from the air compressor 16, the hydrogen peroxide enters the air outlet pipe 40 through the connecting pipe 17, the atomized hydrogen peroxide is discharged into wastewater from an air hole on the air outlet pipe 40, the rapid mixing of hydrogen peroxide and the wastewater is realized, the utilization rate of hydrogen peroxide is effectively improved, the motor 7 and the pushing cylinder 6 are started at the same time, the motor 7 drives the rotating shaft 20 and the stirring fan blades 22 to stir the wastewater, the pushing cylinder 6 drives the motor 7 to move left and right on the double-row slideway 10, so that the stirring fan blades 22 uniformly stir left and right in the wastewater treatment tank 1, the Fenton reaction between the wastewater and nano iron ions and hydrogen peroxide is accelerated, the reaction time is saved, the treatment efficiency is improved, after the reaction time is over, the chemicals can be added into the wastewater treatment tank 1 through the chemical adding pipe 9, the medicament enters the cavity 19 of the rotating shaft 20 from the rotating joint through the medicament inlet, the fixed sleeve 23 and the medicament outlet through the medicament adding pipe 9, is sprayed out from the opening on the rotating shaft 20 and is further in contact mixed reaction with the wastewater, when the pH meter of the wastewater detected by the pH detection sensor 21 displays a value between 7.5, a discharge valve of a discharge port at the bottom of the side surface of the wastewater treatment tank 1 can be opened, the wastewater after the neutralization reaction is safely discharged through a liquid outlet pipeline, and the sludge is centrally treated after being discharged through a sludge discharge port.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.