CN209143906U - Waste water treatment system in paranitroanisole production - Google Patents

Abstract

The utility model proposes paranitroanisole production in waste water treatment system, including the first former pond, second former pond, first pressure filter, buffer pool, accurate pressure filter, adsorption tower, sedimentation basin, first former pond, second former pond not only can be each other as stand-by equipment, and the equipment that can be used as storage raw water sunning aeration, acid-base accommodation can also be carried out from process start, to be suitble to absorption tower absorption, first pressure filter is filtered away large granular impurity precipitating, the filtered water of buffer pool carries out buffering turbulent removal of impurities, the density of accurate filter is greater than the first pressure filter, further it is filtered to remove little particle contamination precipitation, resin material is set inside absorption tower, it is adsorbed and removed for neutral substance remaining in water, sedimentation basin further adjusts acid-base property, aeration, contamination precipitation is precipitated away again.

Description

Waste water treatment system in paranitroanisole production

Technical field

The utility model relates in chemical production wastewater processing technology field more particularly to a kind of production of paranitroanisole Waste water treatment system.

Background technique

In paranitroanisole production process, p-nitrophenyl is prepared using paranitrochlorobenzene, methanol, caustic soda reaction Methyl ether, containing a large amount of methanol, methyl ether, Sodium p-nitrophenoxide, salinity etc. in the waste water generated in reaction process, in original technology In, these waste water are discharged, by simple filtering precipitating wherein untreated clean impurity is to surrounding enviroment and water resource It causes seriously to pollute.

Summary of the invention

It is necessary to propose waste water treatment system in a kind of paranitroanisole production of fine processing.

Waste water treatment system in a kind of production of paranitroanisole, including the first former pond, the second former pond, the first filters pressing Device, buffer pool, accurate pressure filter, adsorption tower, sedimentation basin, the first former pond is the pond body of open top, is covered at the top of pond body It is stamped removable top cover, means for feeding acid is set above the water inlet at the top of pond body, acidic materials are added to the first former pond It is interior, pH value adjusting is carried out, outlet, the outlet of one end of a pipeline and the first former pond are opened up on the side wall of the first former pond Connection, the other end are connect with the first pressure filter, and second former pond has identical structure, the first pressure filter with the first former pond Including several press filtration units, liquid discharge tube road is set in the bottom of pressure filter, to connect with buffer pool, buffer pool is one hollow Discharge line is arranged in the top of buffer pool for liquid temporary buffer current stabilization in pond body, accurate to connect with accurate filter Filter is the closed container of internal filling filler, and discharge line is arranged in the bottom of accurate filter, to be connect with adsorption tower, Filler is filled inside adsorption tower, discharge line is arranged in the bottom of adsorption tower, and to connect with sedimentation basin, sedimentation basin is open-topped First partition, second partition, third partition, a side wall of the first partition close to sedimentation basin is arranged in pond body inside sedimentation basin Pond body is divided into sediment space and processing space by setting, and the volume of sediment space is greater than the volume of processing space, and described the Two partitions and third partition are set to inside processing space, and processing space segmentation is independent a Room, two Room, three Room, institute State a Room, two Room, three Room are successively disposed adjacent, the discharge line for adsorbing tower bottom is connected to a Room, a Room, two Room and three Room Bottom is the bottom of taper, and the conical lower portion of two Room is enclosed construction, and the conical lower portion of a Room opens up communication port, the cone of three Room Shape bottom also opens up communication port, and communicating passage is arranged in the communication port of a Room bottom and between the communication port of three Room bottoms, with One Room is connected to three Room, opens up first through hole on the third partition also between three Room and two Room, three Room and two Room are connected It is logical, the second through-hole also is opened up on first between two Room and sediment space partition, two Room are connected to sediment space, institute The height for stating first through hole is lower than the height of the second through-hole, opens up outlet on the side wall of the sediment space, will handle The water finished is sent out.

Preferably, the buffer pool is hollow cylinder, and the bottom of buffer pool is intermediate spill pond body low, edge is low, In the center of spill pond body, discharge line, one end of connection and the discharge line between the first pressure filter and buffer pool are set Tangent line along the side wall of hollow cylinder enters inside pond body, so that the water flow entered forms vortex, accelerates sediment in The sedimentation of heart position.

Preferably, the filler inside the adsorption tower includes upper layer filler and lower layer's filler, the granularity of upper layer filler and Compactness is less than the granularity and compactness of lower layer's filler, and the thickness of upper layer filler is greater than the thickness of lower layer's filler, and upper layer is filled out Material is absorption resin, and lower layer's filler is quartz sand.

Preferably, setting drains pipeline below the taper of two Room bottoms of sedimentation basin, for sediment to be discharged, drains pipe Valve is set on road, and the bottom of the communicating passage between a Room and three Room is bending bottom, bends the minimum point of bottom close to three Room setting, setting drains pipeline below the minimum point of bending bottom, for sediment to be discharged.

Preferably, the processing system further includes the second pressure filter, also sedimentation basin bottom be arranged discharge line, with The connection of second pressure filter, and then filter again.

The utility model is provided with the first former pond, the second former pond, the first pressure filter, buffer pool, accurate pressure filter, inhales Attached tower, sedimentation basin, the first former pond, the second former pond not only can be each other as stand-by equipments, but also it is former to can be used as storage The equipment of water sunning aeration can also carry out acid-base accommodation from process start, and to be suitble to adsorption tower absorption, the first pressure filter is to big Granule foreign precipitating is filtered away, and the filtered water of buffer pool carries out buffering turbulent removal of impurities, and the density of accurate filter is big In the first pressure filter, it is further filtered to remove little particle contamination precipitation, resin material is set inside adsorption tower, for being remained in water Neutral substance be adsorbed and removed, sedimentation basin further adjusts acid-base property, aeration, then contamination precipitation is precipitated away.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of waste water treatment system in paranitroanisole production.

Fig. 2 is the top view of the sedimentation basin.

Fig. 3 is the cross-sectional view in Fig. 2 along A-A.

Fig. 4 is the schematic diagram of the another embodiment of Fig. 3.

Fig. 5 is the top view of buffer pool.

In figure: the first former pond 10, means for feeding acid 11, the second former pond 20, the first pressure filter 30, buffer pool 40, precision Pressure filter 50, adsorption tower 60, upper layer filler 61, lower layer's filler 62, sedimentation basin 70, first partition 71, the second through-hole 711, second Partition 72, first through hole 731, a Room 74, two Room 75, three Room 76, communicating passage 761, bending bottom 762, sinks at third partition 73 Shallow lake space 77, the second pressure filter 80.

Specific embodiment

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for this For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others Attached drawing.

Referring to Fig. 1 to Fig. 5, the utility model embodiment provides wastewater treatment system in a kind of production of paranitroanisole System, including the first former pond 10, the second former pond 20, the first pressure filter 30, buffer pool 40, accurate pressure filter 50, adsorption tower 60, Sedimentation basin 70, the first former pond 10 are the pond body of open top, removable top cover are covered at the top of pond body, at the top of pond body Means for feeding acid 11 is set above water inlet, acidic materials are added to the first former pond 10, carries out pH value adjusting, the Outlet is opened up on the side wall of one former pond 10, one end of a pipeline is connect with the outlet of the first former pond 10, the other end and first Pressure filter 30 connects, and second former pond 20 has identical structure with the first former pond 10, and the first pressure filter 30 includes several Liquid discharge tube road is arranged in the bottom of pressure filter in press filtration unit, and to connect with buffer pool 40, buffer pool 40 is a hollow pond Discharge line is arranged in the top of buffer pool 40 for liquid temporary buffer current stabilization in body, accurate to connect with accurate filter Filter is the closed container of internal filling filler, and discharge line is arranged in the bottom of accurate filter, to be connect with adsorption tower, Filler is filled inside adsorption tower, discharge line is arranged in the bottom of adsorption tower, and to connect with sedimentation basin 70, sedimentation basin 70 is opened for top First partition 71, second partition 72, third partition 73 is arranged in the pond body of mouth inside sedimentation basin 70, and first partition 71 is close to heavy One side wall in shallow lake pond 70 is arranged, and pond body is divided into sediment space 77 and processing space, the volume of sediment space 77 is greater than The volume of processing space, the second partition 72 and third partition 73 are set to inside processing space, processing space are divided A Room 74, two Room 75, three Room 76 are independent, a Room 74, two Room 75, three Room 76 are successively disposed adjacent, and adsorb tower bottom Discharge line be connected to a Room 74, the bottom of a Room 74, two Room 75 and three Room 76 is the bottom of taper, the taper of two Room 75 Bottom is enclosed construction, and the conical lower portion of a Room 74 opens up communication port, and the conical lower portion of three Room 76 also opens up communication port, in a Room The communication port of 74 bottoms and the setting communicating passage 761 between the communication port of three Room, 76 bottom, a Room 74 and three Room 76 are connected It is logical, first through hole 731 is opened up on the third partition 73 also between three Room 76 and two Room 75, three Room 76 and two Room 75 are connected It is logical, the second through-hole 711 is opened up on first partition also between two Room 75 and sediment space 77, two Room 75 and precipitating are empty Between 77 connections, the height of the first through hole 731 is lower than the height of the second through-hole 711, on the side wall of the sediment space 77 Outlet is opened up, the water being disposed is sent out.

Sedimentation basin 70 is divided into sediment space 77 and processing space, and processing space is divided into three rooms again, and a Room 74 is used It is adjusted according to the pH value of water quality, so that water quality meets the requirement of postorder desalination process, aerator is set inside three Room 76, Water is further aerated, and the setting of communicating passage 761, keeps the acid-base accommodation material mixing that a Room 74 is added more uniform, One Room 74, two Room 75 and three Room 76 are connected to the channel for forming tortuous detour, so that the acid-base accommodation material mixing in water is more equal It is even, and two Room 75 are connect eventually as cushion space with sediment space 77, and the water for flowing into sediment space 77 is uniformly mixed, Consistency is good.

Further, the buffer pool 40 is hollow cylinder, and the bottom of buffer pool 40 is intermediate spill pond low, edge is low Discharge line, connection and the discharge pipe between the first pressure filter 30 and buffer pool 40 is arranged in the center of spill pond body in body The one end in road enters inside pond body along the tangent line of the side wall of hollow cylinder, so that the water flow entered forms vortex, it is heavy to accelerate Starch is settled to center.

Further, the filler inside the adsorption tower includes upper layer filler 61 and lower layer's filler 62, of upper layer filler 61 Granularity and compactness are less than the granularity and compactness of lower layer's filler 62, and the thickness of upper layer filler 61 is greater than lower layer's filler 62 Thickness, upper layer filler 62 are absorption resin, it is preferred that are storng-acid cation exchange resin, lower layer's filler 62 is quartz sand.

Further, setting drains pipeline below the taper of two Room, 75 bottom of sedimentation basin 70, for sediment to be discharged, puts Although valve is arranged on road, the bottom of the communicating passage 761 between a Room 74 and three Room 76 is bending bottom 762, bends bottom 762 minimum point is arranged close to three Room 76, and setting drains pipeline below the minimum point of bending bottom 762, for precipitating to be discharged Object.Bending bottom 762 can elongate the length of flow that liquid flows to three Room 76 from a Room 74, using precipitate, and with The direction of water flow, forms impact nest close to 762 minimum point of bending bottom of three Room 76 setting, forms choked flow limitation to sediment, And then be conducive to precipitating here sedimentation collect, from drain pipeline discharge.

Further, the processing system further includes the second pressure filter 80, and discharge line also is arranged in the bottom of sedimentation basin 70, To connect 80 with the second pressure filter, and then filter again.

Module or unit in the utility model embodiment device can be merged according to actual needs, divide and be deleted Subtract.

Above disclosures are merely preferred embodiments of the utility model, the utility model cannot be limited with this certainly Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality The equivalent variations made by novel claim, still falls within the scope of the utility model.

Claims (5)

1. waste water treatment system in a kind of paranitroanisole production, it is characterised in that: including the first former pond, the second raw water Pond, the first pressure filter, buffer pool, accurate pressure filter, adsorption tower, sedimentation basin, the first former pond is the pond body of open top, in pond Be covered with removable top cover at the top of body, means for feeding acid be set above the water inlet at the top of pond body, by acidic materials be added to In first former pond, pH value adjusting is carried out, outlet is opened up on the side wall of the first former pond, one end of a pipeline is former with first The outlet in pond connects, and the other end is connect with the first pressure filter, and second former pond has identical structure with the first former pond, First pressure filter includes several press filtration units, and liquid discharge tube road is arranged in the bottom of pressure filter, to be connect with buffer pool, buffering Pond is a hollow pond body, and for liquid temporary buffer current stabilization, discharge line is arranged in the top of buffer pool, with accurate filter Connection, accurate filter are the closed container of internal filling filler, and discharge line is arranged in the bottom of accurate filter, with suction Filler is filled in attached tower connection, adsorption tower inside, and discharge line is arranged in the bottom of adsorption tower, and to connect with sedimentation basin, sedimentation basin is First partition, second partition, third partition is arranged in open-topped pond body inside sedimentation basin, and first partition is close to sedimentation basin The setting of a side wall, pond body is divided into sediment space and processing space, the volume of sediment space is greater than processing space Volume, the second partition and third partition are set to inside processing space, and processing space segmentation is independent a Room, two Room, three Room, a Room, two Room, three Room are successively disposed adjacent, and the discharge line for adsorbing tower bottom is connected to a Room, a Room, two The bottom of room and three Room is the bottom of taper, and the conical lower portion of two Room is enclosed construction, and the conical lower portion of a Room opens up connection Mouthful, the conical lower portion of three Room also opens up communication port, is arranged in the communication port of a Room bottom and between the communication port of three Room bottoms One Room is connected to by communicating passage with three Room, first through hole is opened up on the third partition also between three Room and two Room, by three Room is connected to two Room, also opens up the second through-hole on first between two Room and sediment space partition, by two Room and precipitating Space connection, the height of the first through hole are lower than the height of the second through-hole, discharge are opened up on the side wall of the sediment space Mouthful, the water being disposed is sent out.

2. waste water treatment system in paranitroanisole as described in claim 1 production, it is characterised in that: the buffer pool is Hollow cylinder, the bottom of buffer pool are intermediate spill pond body low, edge is low, and discharge is arranged in the center of spill pond body Pipeline, connection and the discharge line between the first pressure filter and buffer pool one end along hollow cylinder side wall tangent line into Enter inside pond body, so that the water flow entered forms vortex, sediment is accelerated to settle to center.

3. waste water treatment system in paranitroanisole production as described in claim 1, it is characterised in that: in the adsorption tower The filler in portion includes upper layer filler and lower layer's filler, the granularity and compactness of upper layer filler be less than lower layer's filler granularity and Compactness, and the thickness of upper layer filler is greater than the thickness of lower layer's filler, upper layer filler is absorption resin, and lower layer's filler is quartz Sand.

4. waste water treatment system in paranitroanisole production as described in claim 1, it is characterised in that: the two of sedimentation basin Setting drains pipeline below the taper of room bottom, for sediment to be discharged, drains and valve is arranged on pipeline, between a Room and three Room The bottom of communicating passage be bending bottom, the minimum point for bending bottom be arranged close to three Room, under the minimum point for bending bottom Side's setting drains pipeline, for sediment to be discharged.

5. waste water treatment system in paranitroanisole production as described in claim 1, it is characterised in that: the processing system Further include the second pressure filter, discharge line also is set in the bottom of sedimentation basin, to be connect with the second pressure filter, and then mistake again Filter.