CN112456642B

CN112456642B - MBR integration sewage treatment device

Info

Publication number: CN112456642B
Application number: CN202011169865.2A
Authority: CN
Inventors: 夏天华; 廖秀煌; 王添火
Original assignee: Yichen Environmental Protection Technology Xiamen Co ltd
Current assignee: Yichen Environmental Protection Technology Xiamen Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2022-09-23
Anticipated expiration: 2040-10-28
Also published as: CN112456642A

Abstract

The invention discloses MBR integrated sewage treatment equipment, which belongs to the technical field of sewage treatment and comprises a box body, wherein a grid tank, an anoxic tank, an aerobic tank, an MBR membrane tank and a disinfection tank are sequentially arranged in the box body along the water inlet direction, and the water storage tank, the grid pond, the oxygen deficiency pond, good oxygen pond, be linked together through locating the through-hole on the pool wall between the MBR membrane cisterna, it has the exhaust-gas treatment subassembly to fix the intercommunication on the box of MBR membrane cisterna top, the bottom is fixed with the mud backwash pump in the MBR membrane cisterna, it has the mud back flow to fix the intercommunication on the mud backwash pump, the play mud end of mud back flow extends to inside the oxygen deficiency pond, the inside in disinfection pond is fixed with the disinfection subassembly, through producing the water pipe intercommunication between the end of intaking of disinfection subassembly and the product water end in MBR membrane cisterna, be equipped with pressure water pump on the product water pipe, the play water end of disinfection subassembly passes through outlet pipe and water storage tank intercommunication. The MBR integrated sewage treatment equipment disclosed by the invention has small floor area and has double treatment functions of wastewater and waste gas.

Description

MBR integration sewage treatment device

Technical Field

The invention belongs to the technical field of sewage treatment, and particularly relates to MBR (membrane bioreactor) integrated sewage treatment equipment.

Background

The water problem becomes an important factor for restricting the sustainable development of national economy, the realization of sewage recycling has obvious environmental benefit, economic benefit and social benefit, and the method is an effective way for protecting water resources and increasing the value of the water resources and can also greatly relieve the shortage of the water resources.

Each pool in the existing domestic sewage treatment technology is cast in place, so that the construction time is long, the occupied area is large, and the pools cannot move after the construction is finished. And the waste gas generated in the treatment process is not treated, and the effect of disinfecting the produced water is poor.

Disclosure of Invention

The invention aims to provide MBR (membrane bioreactor) integrated sewage treatment equipment, wherein each tank is integrated in a box body, and the MBR integrated sewage treatment equipment is movable, small in occupied area, has the double treatment functions of wastewater and waste gas and has a good treatment effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides MBR (membrane bioreactor) integrated sewage treatment equipment which comprises a box body, wherein a grid pool, an anoxic pool, an aerobic pool, an MBR (membrane bioreactor) membrane pool, a disinfection pool and a water storage pool are sequentially arranged in the box body along the water inlet direction, the grid pool, the anoxic pool, the aerobic pool and the MBR membrane pool are communicated through holes arranged on the pool walls, a waste gas treatment assembly is fixedly communicated on the box body above the MBR membrane pool, a sludge reflux pump is fixedly arranged at the bottom in the MBR membrane pool, a sludge reflux pipe is fixedly communicated with the sludge reflux pump, the sludge outlet end of the sludge reflux pipe extends into the anoxic pool, a disinfection assembly is fixedly arranged in the disinfection pool, the water inlet end of the disinfection assembly is communicated with the water outlet end of the MBR membrane pool through a water production pipe, a pressurizing water pump is arranged on the water production pipe, and the water outlet end of the disinfection assembly is communicated with the water storage pool through a water outlet pipe.

Preferably, the sterilizing component comprises a sterilizing barrel, a barrel cover, an ultraviolet sterilizing part, a medicine adding device, an atomizing nozzle, an air pump, an air pipe, a rotating shaft and blades, the barrel cover is screwed at the top of the sterilizing barrel, the ultraviolet sterilizing part is arranged in the barrel cover, the water outlet end of the water producing pipe penetrates through the left side wall of the sterilizing barrel and extends to the upper part of the inside of the sterilizing barrel, the atomizing nozzle is fixedly communicated with the atomizing nozzle and is positioned below the ultraviolet sterilizing part, the rotating shaft is rotatably connected in the sterilizing barrel, the blades are fixed on the rotating shaft and are positioned below the atomizing nozzle, the air pump is fixed above the right side wall of the sterilizing barrel, the air outlet end of the air pump is fixedly communicated with the air pipe, the air outlet end of the air pipe penetrates through the right side wall of the sterilizing barrel and extends to the bottom of the sterilizing barrel and is obliquely arranged towards the left lower part, the medicine adding device is fixed above the front side wall of the sterilizing barrel, the medicine sending end of the medicine adding device penetrates through the front side wall of the sterilizing barrel and extends to the inside of the sterilizing barrel, and is positioned above the atomizing nozzle.

Preferably, the ultraviolet ray disinfection spare is including installation piece, tube socket, fixture block, ultraviolet tube, fixes a plurality of installation pieces on the inside roof of bung, and the draw-in groove has all been seted up to the bottom of every installation piece, and ultraviolet tube installs in the tube socket, and the top of tube socket is fixed with the fixture block, fixture block and draw-in groove joint cooperation.

Preferably, the center of the barrel cover is provided with a circular hole, the number of the ultraviolet lamp tubes is six, and the six ultraviolet lamp tubes are distributed in a circular array by taking the center of the circular hole as the center of a circle.

Preferably, an arc-shaped plate is fixed inside the disinfection barrel at the lower left of the blades.

Preferably, the atomizing spray head is inclined upwards by an angle of 15-35 degrees.

Preferably, the exhaust-gas treatment subassembly includes lower floor's tower body, middle level tower body, upper tower body, moisture absorption layer, lime stone layer and activated carbon layer, and lower floor's tower body and middle level tower body thread sealing connect, and middle level tower body and upper tower body thread sealing connect, and lower floor's tower body intussuseption is filled with the moisture absorption layer, and middle level tower body intussuseption is filled with lime stone layer, and upper tower body intussuseption is filled with the activated carbon layer.

Preferably, the slow-release filler is arranged in the anoxic tank.

Preferably, the aerobic tank is internally provided with an elastic filler, and an aeration device is arranged below the elastic filler.

Preferably, the aeration equipment comprises a submerged blower and an aeration disc, the submerged blower is fixed at the bottom in the aerobic tank, the air inlet end of the submerged blower is positioned outside the box body, the air outlet end of the submerged blower is fixedly communicated with the aeration disc, and the aeration disc is positioned below the elastic filler.

The invention has the beneficial effects that:

1. each pond integration is in the box, and is portable, and area is little, and construction cycle is short, has waste water and waste gas dual processing function, and the treatment effect is good.

2. Carry out ultraviolet ray disinfection through ultraviolet ray disinfection spare, through the pressurized product water through atomizer atomizing blowout, form the atomizing water droplet, not only improve the ultraviolet ray disinfection effect, improve moreover with the mixing efficiency of disinfectant.

3. The air flow generated by the air pump is blown to the blades, so that the blades are rotated to stir the produced water and the disinfectant, the disinfection efficiency is improved, and the produced water and the disinfectant can be mixed more uniformly by the blown air flow.

4. The clamping block is in clamping fit with the clamping groove, so that the lamp tube seat can be detached, the ultraviolet lamp tube is convenient to replace, and the problems of incomplete disinfection or the need of replacing the whole barrel cover caused by damage of the ultraviolet lamp tube are solved; the lower layer tower body is in threaded sealing connection with the middle layer tower body, and the middle layer tower body is in threaded sealing connection with the upper layer tower body, so that the disassembly and replacement are facilitated.

5. The arc-shaped plates are more favorable for forming water flow disturbance, so that the blades rotate more smoothly and are mixed more uniformly and thoroughly.

6. The submerged blower and the aeration disc are arranged, so that the energy consumption is reduced, the noise is low, a machine room is not required to be additionally arranged, and the occupied space is saved.

Drawings

Fig. 1 is a schematic front view of the present invention.

Figure 2 is a front view of the sterilization assembly of the present invention.

Fig. 3 is a schematic view of the bottom view of the barrel cover of the present invention.

Fig. 4 is a schematic view of a fitting structure of the latch and the latch groove of the present invention.

FIG. 5 is a schematic front view of an exhaust treatment assembly according to the present invention.

FIG. 6 is a schematic front view of an aeration apparatus according to the present invention.

The symbols in the drawings are: 1-box body, 2-grid pool, 3-anoxic pool, 4-aerobic pool, 5-MBR membrane pool, 6-disinfection pool, 7-water storage pool, 8-waste gas treatment component, 81-lower tower body, 82-middle tower body, 83-upper tower body, 84-moisture absorption layer, 85-limestone layer, 86-activated carbon layer, 9-sludge reflux pump, 10-sludge reflux pipe, 11-disinfection component, 111-disinfection barrel, 112-barrel cover, 113-ultraviolet disinfection component, 1131-installation block, 1132-lamp holder, 1133-fixture block, 1134-ultraviolet lamp tube, 1135-clamping groove, 114-medicine adding device, 115-atomization nozzle, 116-air pump, 117-air pipe, 118-rotating shaft, 119-blade, 12-water production pipe, 13-pressure water pump, 14-water outlet pipe, 15-circular hole, 16-arc plate, 17-slow release filler, 18-elastic filler, 19-aeration equipment, 191-submerged blower and 192-aeration disk.

Detailed Description

The invention will now be further described with reference to the drawings and the detailed description.

Those not described in detail in this specification are within the skill of the art. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 6, the MBR-integrated sewage treatment apparatus provided in this embodiment includes a tank 1, a grating tank 2, an anoxic tank 3, an aerobic tank 4, a MBR membrane tank 5, a disinfection tank 6, and a water storage tank 7 are sequentially disposed in the tank 1 along a water inlet direction, the grating tank 2, the anoxic tank 3, the aerobic tank 4, and the MBR membrane tank 5 are communicated with each other through a through hole (not shown) disposed on a tank wall, a waste gas treatment component 8 is fixedly communicated with the tank 1 above the MBR membrane tank 5, a sludge reflux pump 9 is fixed at a bottom of the MBR membrane tank 5, a sludge reflux pipe 10 is fixedly communicated with the sludge reflux pump 9, a sludge outlet end of the sludge reflux pipe 10 extends into the anoxic tank 3, a disinfection component 11 is fixed inside the disinfection tank 6, a water inlet end of the disinfection component 11 is communicated with a water production end of the MBR membrane tank 5 through a water production pipe 12, a pressure water pump 13 is disposed on the water production pipe 12, the water outlet end of the disinfecting assembly 11 is communicated with the water storage tank 7 through a water outlet pipe 14. Sewage enters a grating tank 2, is filtered by a grating and then enters an anoxic tank 3 for denitrification and dephosphorization treatment, then enters an aerobic tank 4 for denitrification treatment, enters an MBR membrane tank 5 for sludge-water separation, a sludge-water mixture flows back to the anoxic tank 3 through a sludge reflux pump 9 and a sludge reflux pipe 10, produced water is discharged through a water production pipe 12, is pressurized by a pressurizing water pump 13 and then is sent into a sterilizing component 11 for sterilization treatment, and is sent into a water storage tank 7 through a water outlet pipe 14 after the sterilization treatment is finished; the generated waste gas enters the waste gas treatment component 8 for treatment and then is discharged after reaching the standard. The invention integrates all the pools in the box body 1, is movable, occupies small area and has short construction period. Effectively handle waste water and waste gas through setting up of disinfection subassembly 11 and exhaust-gas treatment subassembly 8, the treatment effect is good.

Further, the sterilizing component 11 comprises a sterilizing barrel 111, a barrel cover 112, an ultraviolet sterilizing part 113, a medicine adding device 114, an atomizing spray head 115, an air pump 116, an air pipe 117, a rotating shaft 118 and blades 119, the barrel cover 112 is screwed on the top of the sterilizing barrel 111, the ultraviolet sterilizing part 113 is arranged inside the barrel cover 112, the water outlet end of the water producing pipe 12 passes through the left side wall of the sterilizing barrel 111 and extends to the upper part of the inside of the sterilizing barrel 111, the atomizing spray head 115 is fixedly communicated with the atomizing spray head 115, the atomizing spray head 115 is positioned below the ultraviolet sterilizing part 113, the rotating shaft 118 is rotatably connected inside the sterilizing barrel 111, the blades 119 are fixed on the rotating shaft 118, the blades 119 are positioned below the atomizing spray head 115, the air pump 116 is fixed above the right side wall of the sterilizing barrel 111, the air outlet end of the air pump 116 is fixedly communicated with the air pipe 117, the air outlet end of the air pipe 117 passes through the right side wall of the sterilizing barrel 111 and extends to the bottom of the sterilizing barrel 111 and inclines to the left, the blade 119 is more favorably pushed by airflow, the doser 114 is fixed above the front side wall of the disinfection barrel 111, and the medicine feeding end of the doser 114 penetrates through the front side wall of the disinfection barrel 111 to extend into the disinfection barrel 111 and is positioned above the atomizing nozzle 115. Carry out ultraviolet ray disinfection through ultraviolet ray disinfection piece 113, pass through the atomizer 115 atomizing blowout through pressor product water, form the atomizing water droplet, not only improve the ultraviolet ray disinfection effect, and improve the mixing efficiency with disinfectant, disinfectant adds in disinfection bucket 111 through doser 114 ration, the air current that produces through air pump 116 blows to blade 119, make blade 119 rotatory stirring produce water and disinfectant, improve disinfection efficiency, and the air current self that blows out also can make product water and disinfectant mix more evenly. So through ultraviolet ray disinfection and disinfectant combination carry out dual disinfection, the disinfection effect is good.

Further, ultraviolet ray disinfection spare 113 is including installation piece 1131, tube socket 1132, fixture block 1133, ultraviolet tube 1134, a plurality of installation pieces 1131 of fixed on the inside roof of bung 112, draw-in groove 1135 has all been seted up to the bottom of every installation piece 1131, ultraviolet tube 1134 is installed in tube socket 1132, the top of tube socket 1132 is fixed with fixture block 1133, fixture block 1133 and draw-in groove 1135 joint cooperation, make tube socket 1132 can dismantle, be convenient for change ultraviolet tube 1134, solve the disinfection that ultraviolet tube damaged to cause and incompletely or need be with the problem that whole bung 112 was changed.

Further, circular port 15 has been seted up at the positive center of bung 112, and ultraviolet tube 1134 is six altogether, and six ultraviolet tube 1134 use the center of circular port 15 as the centre of a circle, are circular array distribution, so set up to satisfy the ultraviolet sterilization disinfection effect in the setting of a small amount of ultraviolet tube 1134, the setting of circular port not only is convenient for the wire of tube socket 1132 to draw forth, also can be convenient for simultaneously the discharge of air.

Further, the inside of the disinfection bucket below the blade 119 left side is fixed with arc 16, and the setting of arc 16 more is favorable to forming the rivers disturbance for the blade 119 is rotatory more smoothly, mixes more evenly thoroughly.

Furthermore, the atomizing nozzle 115 is inclined upwards, the inclination angle is 15-35 degrees, and a good spraying and diffusing area can be achieved in the interval, so that the disinfection and sterilization are facilitated.

Further, exhaust-gas treatment subassembly 8 includes lower floor's tower body 81, middle level tower body 82, upper tower body 83, hygroscopic layer 84, limestone layer 85 and activated carbon layer 86, lower floor's tower body 81 and middle floor's tower body 82 screw thread sealing connection, middle level tower body 82 and upper tower body 83 screw thread sealing connection are favorable to dismantling the change, and lower floor's tower body 81 intussuseption is filled with hygroscopic layer 84, and middle level tower body 82 intussuseption is filled with lime stone layer 85, and upper tower body 83 intussuseption is filled with activated carbon layer 86. The moisture absorption layer 84 is used for dehumidifying the waste gas generated by electrolysis, so that the limestone layer 85 and the activated carbon layer 86 are prevented from being wet, the adhesiveness is ensured, the purification performance is kept, and the waste gas purification degree is improved; acid removal treatment is performed through the limestone layer 85; the activated carbon layer 86 is used for deodorization, adsorption and purification.

Furthermore, a slow release filler 17 is arranged in the anoxic tank 3. The aerobic tank 4 is internally provided with an elastic filler 18, and an aeration device 19 is arranged below the elastic filler 18.

Furthermore, the aeration device 19 comprises a submerged blower 191 and an aeration disc 192, the submerged blower 191 is fixed at the bottom in the aerobic tank 4, the air inlet end of the submerged blower 191 is positioned outside the box body 1, the air outlet end of the submerged blower 191 is fixedly communicated with the aeration disc 192, and the aeration disc 192 is positioned below the elastic filler 18. The submerged blower 191 is adopted, so that the energy consumption is reduced, the noise is low, an additional machine room is not needed, and the occupied space is saved.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a MBR integration sewage treatment device which characterized in that:

comprises a box body;

a grating tank, an anoxic tank, an aerobic tank, an MBR membrane tank, a disinfection tank and a water storage tank are sequentially arranged in the box body along the water inlet direction;

the grating tank, the anoxic tank, the aerobic tank and the MBR membrane tank are communicated through holes arranged on the tank wall;

a waste gas treatment assembly is fixedly communicated with the tank body above the MBR membrane tank;

a sludge return pump is fixed at the bottom in the MBR membrane tank, a sludge return pipe is fixedly communicated with the sludge return pump, and the sludge outlet end of the sludge return pipe extends into the anoxic tank;

a disinfection component is fixed inside the disinfection tank, the water inlet end of the disinfection component is communicated with the water production end of the MBR membrane tank through a water production pipe, a pressure water pump is arranged on the water production pipe, and the water outlet end of the disinfection component is communicated with the water storage tank through a water outlet pipe;

the disinfection component comprises a disinfection barrel, a barrel cover, an ultraviolet disinfection piece, a medicine adding device, an atomizing nozzle, an air pump, an air pipe, a rotating shaft and blades;

the top of the sterilizing barrel is in screwed connection with a barrel cover, and an ultraviolet sterilizing part is arranged inside the barrel cover;

the water outlet end of the water production pipe penetrates through the left side wall of the disinfection barrel and extends to the upper part of the interior of the disinfection barrel, and an atomization nozzle is fixedly communicated with the water production pipe and is positioned below the ultraviolet disinfection piece;

a rotating shaft is rotatably connected inside the sterilizing barrel, a plurality of blades are fixed on the rotating shaft, and the blades are positioned below the atomizing nozzle;

an air pump is fixed above the right side wall of the disinfection barrel, an air outlet end of the air pump is fixedly communicated with an air pipe, and the air outlet end of the air pipe penetrates through the right side wall of the disinfection barrel, extends to the bottom in the disinfection barrel and is obliquely arranged towards the left lower side;

a doser is fixed above the front side wall of the disinfection barrel, and a medicine feeding end of the doser penetrates through the front side wall of the disinfection barrel to extend into the disinfection barrel and is positioned above the atomizing nozzle;

the ultraviolet disinfection piece comprises an installation block, a lamp tube seat, a clamping block and an ultraviolet lamp tube;

a plurality of mounting blocks are fixed on the top wall in the barrel cover, and a clamping groove is formed in the bottom of each mounting block;

the ultraviolet lamp tube is arranged on the lamp tube seat, a clamping block is fixed at the top of the lamp tube seat, and the clamping block is clamped and matched with the clamping groove;

a circular hole is formed in the center of the barrel cover;

the number of the ultraviolet lamp tubes is six, and the six ultraviolet lamp tubes are distributed in a circular array by taking the center of the circular hole as the center of a circle;

an arc-shaped plate is fixed inside the disinfection barrel at the left lower part of the blade;

the atomizing spray head is arranged in an upward inclined mode, and the inclined angle is 15-35 degrees.

2. The MBR-integrated sewage treatment device of claim 1, wherein:

the waste gas treatment component comprises a lower-layer tower body, a middle-layer tower body, an upper-layer tower body, a moisture absorption layer, a limestone layer and an activated carbon layer;

the lower-layer tower body is in threaded sealing connection with the middle-layer tower body, and the middle-layer tower body is in threaded sealing connection with the upper-layer tower body;

the lower-layer tower body is internally filled with a moisture absorption layer, the middle-layer tower body is internally filled with a limestone layer, and the upper-layer tower body is internally filled with an activated carbon layer.

3. The MBR-integrated sewage treatment device of claim 1, wherein:

the anoxic pond is internally provided with a slow-release filler.

4. The MBR-integrated sewage treatment device of claim 1, wherein:

the aerobic tank is internally provided with an elastic filler, and an aeration device is arranged below the elastic filler.

5. The MBR-integrated sewage treatment device of claim 4, wherein:

the aeration equipment comprises a submerged blower and an aeration disc;

the submerged air blower is fixed at the bottom of the aerobic tank, the air inlet end of the submerged air blower is positioned outside the box body, the air outlet end of the submerged air blower is fixedly communicated with an aeration disc, and the aeration disc is positioned below the elastic filler.