CN209352615U - A kind of continous way selenomethionine wastewater treatment equipment - Google Patents

Abstract

The utility model discloses a kind of continous way selenomethionine wastewater treatment equipments, including fixed bed reactors, dioxygen water pump, waste water pump, oxidant mixer and injection reactor, the oxidant mixer is equipped with hydrogen peroxide feed inlet, ozone feed mouth and oxidant discharge port, the injection reactor is equipped with wastewater feed mouth, oxidant feed mouth and injection reaction discharge port, the dioxygen water pump is connect by connecting tube with the hydrogen peroxide feed inlet of oxidant mixer, the oxidant feed mouth of injection reactor is delivered to from oxidant discharge port by connecting tube, the waste water pump is connected by the wastewater feed mouth of injection reactor, fixed bed reactors are delivered to from injection reaction discharge port by connecting tube.Compared with prior art, the utility model, which solves conventional waste water processing method, can not handle the high concentration wastewater problem of stench containing selenium generated in selenomethionine production process, have many advantages, such as continuous, efficient, cleaning, high degree of automation.

Description

A kind of continous way selenomethionine wastewater treatment equipment

Technical field

The utility model relates to a kind of selenomethionine Wastewater Treatment more particularly to a kind of continous way seleno eggs Propylhomoserin wastewater treatment equipment.

Background technique

During selenomethionine produces, the waste liquid of generation predominantly contains selenium organic matter, has volatilizable stench characteristic, And COD is up to hundreds of thousands.Traditional organic wastewater with high concentration processing method: it is thoroughly harmless that Fenton process can not will contain the progress of selenium organic matter Change degradation, and generates the new iron hydroxide waste residue containing selenium；Biochemical method microorganism to the susceptibility height of the substance containing selenium in waste water and Anaerobic organism low reproduction rate, and foul odour can not solve；Ultrasonic oxidation method and supercritical water oxidation method are that processing high concentration has The effective new technology of machine waste water, although the problem of can solve foul odour, organic matter containing selenium is converted into noxious material selenium Oxide, and rest on theoretical research stage.Therefore, a kind of continous way selenomethionine wastewater treatment equipment is designed, efficiently Innoxious, recycling treatment selenomethionine waste water is particularly important selenomethionine production.

Utility model content

The purpose of this utility model is that providing one kind solves the above problem, realize selenomethionine waste water high-efficiency without The continous way selenomethionine wastewater treatment equipment of evilization, recycling treatment.

To achieve the goals above, the technical solution adopted in the utility model is: a kind of continous way selenomethionine waste water Processing unit, including fixed bed reactors, dioxygen water pump, waste water pump, oxidant mixer and injection reactor, the oxidant Mixer be equipped with hydrogen peroxide feed inlet, ozone feed mouth and oxidant discharge port, the injection reactor be equipped with waste water into Material mouth, oxidant feed mouth and injection reaction discharge port, the dioxygen water pump pass through the dioxygen of connecting tube and oxidant mixer Water feed inlet connects, and is delivered to the oxidant feed mouth of injection reactor from oxidant discharge port by connecting tube, described useless Water pump is connected by the wastewater feed mouth of connecting tube and injection reactor, and is delivered to by connecting tube from injection reaction discharge port Fixed bed reactors.

Preferably, the fixed bed reactors bottom is equipped with fixed bed reaction feed inlet, top is equipped with fixed bed reaction Discharge port, the fixed bed reactors are interior to be equipped with catalyst screen, and immobilized catalyst filler is housed on the catalyst screen.

Preferably, two groups or more vertical parallel arrangement of the fixed bed reactors.

Preferably, the injection reaction discharge port pass through respectively the fixed bed reactions of connecting tube and fixed bed reactors into Material mouth connects, and is equipped with fixed bed reaction inlet valve in the connecting tube between the injection reactor and fixed bed reactors.

Preferably, further include the drainage pipeline of clean water containing selenium, the drainage pipeline of clean water containing selenium respectively with fixed bed React discharge port connection.

Preferably, the ozone feed mouth of the oxidant mixer is equipped with ozone air inlet pipe, the ozone air inlet pipe It is equipped with ozone automatic regulating valve and ozone concentration sensor, the ozone automatic regulating valve and ozone concentration interlocking, it is described smelly Oxygen concentration sensor carries out ozone concentration acquisition to the connecting tube of the oxidant discharge outlet of oxidant mixer.

Preferably, the connecting tube between the oxidant mixer and injection reactor is automatically adjusted equipped with oxidant Valve and electromagnetic flowmeter, the oxidant automatic regulating valve and electromagnetic flowmeter interlocking, the electromagnetic flowmeter react injection Connecting tube between device and waste water pump carries out flow collection.

Preferably, the oxidant mixer and injection reactor are all made of Venturi tube mixer.

Compared with the prior art, the advantages of the utility model are: selenium can not be handled by solving conventional waste water processing technique For the high concentration wastewater problem of stench containing selenium generated in methionine production process, there is continuous, efficient, cleaning, the degree of automation The advantages that high.

Detailed description of the invention

Fig. 1 is Tthe utility model system structural schematic diagram.

In figure: 1-dioxygen water pump, 2-oxidant mixers, 3-waste water pumps, 4-injection reactors, 5-fixed beds are anti- Device, 6-ozone automatic regulating valves, 7-oxidant automatic regulating valves, 8-fixed bed reaction inlet valves, 9-ozone concentrations are answered to pass Sensor, 10-electromagnetic flowmeters, 11-connecting tubes, 2-1-hydrogen peroxide feed inlet, 2-2-ozone feed mouth, 2-3-oxidant Discharge port, 5-1-fixed bed reaction are reacted in discharge port, 4-1-wastewater feed mouth, 4-2-oxidant feed mouth, 4-3-injection Feed inlet, 5-2-fixed bed reaction discharge port, 5-3-catalyst screen, 5-4-immobilized catalyst filler.

Specific embodiment

The utility model is described in further detail below.

Embodiment 1: referring to Fig. 1, a kind of continous way selenomethionine wastewater treatment equipment, including it is fixed bed reactors 5, double Oxygen water pump 1, waste water pump 3, oxidant mixer 2 and injection reactor 4, the oxidant mixer 2 are fed equipped with hydrogen peroxide Mouth 2-1, ozone feed mouth 2-2 and oxidant discharge port 2-3, the injection reactor 4 are equipped with wastewater feed mouth 4-1, oxidation Agent feed inlet 4-2 and injection reaction discharge port 4-3, the dioxygen water pump 1 pass through the dioxygen of connecting tube 11 and oxidant mixer 2 The 2-1 connection of water feed inlet, it is defeated from oxidant discharge port 2-3 by connecting tube 11 after being mixed in oxidant mixer 2 with ozone Send to the oxidant feed mouth 4-2 of injection reactor 4, the waste water pump 3 by the waste water of connecting tube 11 and injection reactor 4 into Material mouth 4-1 connection after mixing in injection reactor 4 with oxidant, is conveyed by connecting tube 11 from injection reaction discharge port 4-3 To fixed bed reactors 5.

The ozone feed mouth 2-2 of the oxidant mixer 2 is equipped with ozone air inlet pipe, and the ozone air inlet pipe is equipped with Ozone automatic regulating valve 6 and ozone concentration sensor 9, the ozone concentration sensor 9 use U.S. QCONTUMS company Q45H64 ozone concentration sensor, the ozone automatic regulating valve 6 and ozone concentration interlocking, the ozone concentration sensor 9 are right Connecting tube 11 at the oxidant discharge port 2-3 of oxidant mixer 2 carries out ozone concentration acquisition, is passed by setting ozone concentration The ozone concentration value of sensor 9 sends control instruction to ozone automatic regulating valve 6, realizes dioxygen Measuring Ozone Concentration in Water automatic control, can Adjustment immediately is needed according to waste water, ozone concentration in oxidant improves subsequent oxidation effect.

Connecting tube 11 between the oxidant mixer 2 and injection reactor 4 be equipped with oxidant automatic regulating valve 7 and Electromagnetic flowmeter 10, the electromagnetic flowmeter 10 use grace Si Haosi flow instrument technology (China) Co., Ltd 50P15- EA0A1SA0ABAA, the oxidant automatic regulating valve 7 and electromagnetic flowmeter 10 interlock, and 10 pairs of injections of the electromagnetic flowmeter are anti- It answers the connecting tube 11 between device 4 and waste water pump 3 to carry out flow collection, is arranged by flow value to oxidant automatic regulating valve 7 and is sent out Control instruction is sent, ozone-hydrogen peroxide oxidant is realized and waste water proportion automatically controls, can be needed according to waste water immediately automatic Fully oxidized, raising treatment effect is realized in adjustment.

5 bottom of fixed bed reactors is equipped with fixed bed reaction feed inlet 5-1, and top is equipped with fixed bed reaction discharge port 5-2, the fixed bed reactors 5 are interior to be equipped with catalyst screen 5-3, and immobilized catalyst is housed on the catalyst screen 5-3 Filler 5-4.

Two groups or more vertical parallel arrangement of the fixed bed reactors 5.The injection reaction discharge port 4-3 difference It is connect by connecting tube 11 with the fixed bed reaction feed inlet 5-1 of fixed bed reactors 5, the injection reactor 4 and fixed bed It is equipped with fixed bed reaction inlet valve 8 in connecting tube 11 between reactor 5, by adjusting 8 size of fixed bed reaction inlet valve 5 inlet amount of fixed bed reactors is controlled, by switching over to different groups of fixed bed reaction inlet valve 8, realizes fixed bed The switching of reactor 5 carries out parallel or continuous processing.

Further include the drainage pipeline of clean water containing selenium, the drainage pipeline of clean water containing selenium respectively with fixed bed reaction discharge port 5-2 connection, carries out at the discharge of the clean water containing selenium.

The oxidant mixer 2 is all made of Venturi tube mixer with injection reactor 4, utilizes the pressure of hydrogen peroxide itself Power forms negative pressure by superonic flow nozzzle high speed ejection in induction chamber, injection into input ozone, and in Venturi tube It is exported after carrying out gas-liquid mixed, there is good mixed effect.

When running work, selenomethionine waste water through waste water pump 3 be delivered to the wastewater feed mouth 4-1 of injection reactor 4 with Ozone-hydrogen peroxide oxidant from oxidant feed mouth 4-2 is mixed, and primary oxidation is carried out, and is then reflected through injection Material mouth 4-3 is delivered to fixed bed reaction feed inlet 5-1, and waste water and ozone-hydrogen peroxide oxidant are urged in fixed bed with being fixed on Immobilized catalyst filler 5-4 on agent screen 5-3 comes into full contact with oxidation, carries out secondary oxidation, the organic matter quilt in waste water It is oxidized to carbonate and water, organic selenium is oxidized to inorganic selenium, waste liquid exhaustive oxidation is decomposed, last self-retaining bed reaction discharging Mouth 5-2 discharger.

Present apparatus solution conventional waste water processing method can not handle the high concentration generated in selenomethionine production process and contain Selenium stench waste water has many advantages, such as continuous, efficient, cleaning, high degree of automation.

Detailed Jie has been carried out to a kind of continous way selenomethionine wastewater treatment equipment provided by the utility model above It continues, specific case used herein is expounded the principles of the present invention and embodiment, and above embodiments are said The bright method and its core concept for being merely used to help understand the utility model；At the same time, for those skilled in the art, Based on the idea of the present invention, there will be changes in the specific implementation manner and application range, to the utility model Change and improvement will be possible, the conception and scopes without exceeding accessory claim defined, in conclusion this explanation Book content should not be construed as a limitation of the present invention.

Claims (8)

1. a kind of continous way selenomethionine wastewater treatment equipment, it is characterised in that: including fixed bed reactors, dioxygen water pump, Waste water pump, oxidant mixer and injection reactor, the oxidant mixer are equipped with hydrogen peroxide feed inlet, ozone feed mouth With oxidant discharge port, the injection reactor is equipped with wastewater feed mouth, oxidant feed mouth and injection reaction discharge port, institute It states dioxygen water pump to connect by connecting tube with the hydrogen peroxide feed inlet of oxidant mixer, and is discharged by connecting tube from oxidant Mouth is delivered to the oxidant feed mouth of injection reactor, and the waste water pump passes through the wastewater feed mouth of connecting tube and injection reactor Connection, and fixed bed reactors are delivered to from injection reaction discharge port by connecting tube.

2. a kind of continous way selenomethionine wastewater treatment equipment according to claim 1, it is characterised in that: the fixation Bed reactor bottom is equipped with fixed bed reaction feed inlet, and top is equipped with fixed bed reaction discharge port, in the fixed bed reactors Equipped with catalyst screen, immobilized catalyst filler is housed on the catalyst screen.

3. a kind of continous way selenomethionine wastewater treatment equipment according to claim 2, it is characterised in that: the fixation Two groups or more the vertical parallel arrangement of bed reactor.

4. a kind of continous way selenomethionine wastewater treatment equipment according to claim 3, it is characterised in that: the injection The fixed bed reaction feed inlet that reaction discharge port passes through connecting tube and fixed bed reactors respectively connects, the injection reactor with Fixed bed reaction inlet valve is equipped in connecting tube between fixed bed reactors.

5. a kind of continous way selenomethionine wastewater treatment equipment according to claim 3, it is characterised in that: further include containing Selenium clean water drainage pipeline, the drainage pipeline of clean water containing selenium are connected to fixed bed reaction discharge port respectively.

6. a kind of continous way selenomethionine wastewater treatment equipment according to claim 1, it is characterised in that: the oxidation The ozone feed mouth of agent mixer is equipped with ozone air inlet pipe, and the ozone air inlet pipe is equipped with ozone automatic regulating valve and ozone Concentration sensor, the ozone automatic regulating valve and ozone concentration interlocking, the ozone concentration sensor is to oxidant mixer Oxidant discharge outlet connecting tube carry out ozone concentration acquisition.

7. a kind of continous way selenomethionine wastewater treatment equipment according to claim 1, it is characterised in that: the oxidation Connecting tube between agent mixer and injection reactor is equipped with oxidant automatic regulating valve and electromagnetic flowmeter, the oxidant Automatic regulating valve and electromagnetic flowmeter interlocking, the electromagnetic flowmeter carry out the connecting tube between injection reactor and waste water pump Flow collection.

8. a kind of continous way selenomethionine wastewater treatment equipment according to claim 1, it is characterised in that: the oxidation Agent mixer and injection reactor are all made of Venturi tube mixer.