CN115872573B - Medical waste water is with circulation nitrogen removal device that has deoxidization function - Google Patents
Medical waste water is with circulation nitrogen removal device that has deoxidization function Download PDFInfo
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- CN115872573B CN115872573B CN202310116028.0A CN202310116028A CN115872573B CN 115872573 B CN115872573 B CN 115872573B CN 202310116028 A CN202310116028 A CN 202310116028A CN 115872573 B CN115872573 B CN 115872573B
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 31
- 239000002906 medical waste Substances 0.000 title claims abstract description 14
- 239000002351 wastewater Substances 0.000 claims abstract description 96
- 238000010438 heat treatment Methods 0.000 claims abstract description 68
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000001301 oxygen Substances 0.000 claims abstract description 35
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 35
- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims description 34
- 230000007246 mechanism Effects 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 33
- 238000003756 stirring Methods 0.000 claims description 31
- 239000010802 sludge Substances 0.000 claims description 22
- 238000005273 aeration Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000003116 impacting effect Effects 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 23
- 238000006243 chemical reaction Methods 0.000 abstract description 18
- 241000237942 Conidae Species 0.000 abstract description 6
- 241000894006 Bacteria Species 0.000 abstract description 4
- 239000000110 cooling liquid Substances 0.000 description 15
- 239000003814 drug Substances 0.000 description 10
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000001546 nitrifying effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241001148470 aerobic bacillus Species 0.000 description 2
- 229910017464 nitrogen compound Inorganic materials 0.000 description 2
- 150000002830 nitrogen compounds Chemical class 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Physical Water Treatments (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses a circulating nitrogen removal device with a deoxidizing function for medical wastewater. The technical problems to be solved are as follows: in the prior A/O biological denitrification treatment, the denitrification liquid generated by the nitrification reaction is not deoxidized, so that the reaction rate is reduced after denitrifying bacteria are contacted with oxygen, and the overall denitrification speed of the medical wastewater is slow. The utility model provides a medical waste water is with circulation nitrogen removal device that has deoxidization function, including deoxidization tower, deoxidization tower's inner wall rigid coupling has the heating frid of being connected with the control panel electricity, and the inside wall of heating frid is less than the lateral wall, and deoxidization tower's inner wall rigid coupling has the cone shell, and the cone shell is located the lower part of heating frid, and the middle part of cone shell runs through the rigid coupling and has the pipe, and the lower extreme of pipe is provided with the filter screen. According to the invention, the heating trough plate is utilized to heat part of the medical wastewater, so that gas in the medical wastewater overflows, the phenomenon that the gas in the bottom layer with larger volume of the medical wastewater overflows slowly is avoided, and the deoxidization efficiency of the medical wastewater is improved.
Description
Technical Field
The invention relates to the technical field of medical wastewater nitrogen removal, in particular to a circulating nitrogen removal device with a deoxidizing function for medical wastewater.
Background
Nitrogen pollution refers to environmental pollution caused by nitrogen compounds, and as the national requirements for wastewater discharge are continuously increased, the nitrogen content in medical wastewater is very high, so that denitrification treatment is required during medical wastewater discharge.
The conventional method for denitrification is that the A/O biological denitrification treatment comprises nitrification reaction and denitrification reaction, nitrogen compounds are converted into nitrogen through the A/O biological denitrification treatment, nitrogen elements in medical wastewater are treated, but the nitrification reaction is carried out under an oxygen-enriched condition, so that nitrifying liquid generated by the nitrification reaction contains a large amount of oxygen, the denitrification reaction is carried out under an anaerobic condition, the nitrifying liquid generated by the nitrification reaction is directly contacted with denitrifying bacteria, so that a large amount of oxygen in the nitrifying liquid influences proliferation and growth of denitrifying bacteria in an anaerobic environment, the efficiency of the denitrification reaction is reduced, the denitrification liquid generated by the nitrification reaction is not deoxidized in the middle of the conventional A/O biological denitrification treatment, the reaction rate is reduced after the denitrifying bacteria are contacted with the oxygen, and the integral denitrification speed of the medical wastewater is slow.
Disclosure of Invention
In order to overcome the technical problems in the existing A/O biological denitrification treatment, the invention provides a circulating nitrogen removal device with a deoxidization function for medical wastewater.
The technical implementation scheme of the invention is as follows: the utility model provides a medical waste water is with circulation nitrogen removal device with deoxidization function, including good oxygen tower, one side of good oxygen tower is provided with the deoxidization tower, one side that the deoxidization tower kept away from good oxygen tower is provided with the anaerobism tower, good oxygen tower and the top of anaerobism tower all are provided with the separator, one side of good oxygen tower is provided with aeration equipment, aeration equipment and good oxygen tower pass through the connecting pipe intercommunication, aeration equipment is used for importing oxygen in the good oxygen tower, one side of good oxygen tower is provided with the supporting seat, the supporting seat rigid coupling has control panel, the inner wall rigid coupling of deoxidization tower has the heating frid with the control panel electricity, the inside wall of heating frid is less than the lateral wall, the inner wall rigid coupling of deoxidization tower has the cone shell, the cone shell is located the lower part of heating frid, the middle part through rigid coupling of cone shell has the pipe, the lower extreme of pipe is provided with the filter screen, the liquid of deoxidization tower lower part evenly flows to the heating frid under the effect of pressure, the pipe is provided with the stirring mechanism that is used for stirring the liquid in the heating frid, the top of deoxidization tower is provided with the exhaust mechanism with good oxygen tower intercommunication, the bottom of deoxidization tower is provided with the sediment mechanism that is used for getting rid of mud, the supporting seat rigid coupling, the inner wall rigid coupling has the cooling mechanism to be used for cooling down to the circulating tower through the cooling mechanism.
Further, the upper end of pipe fixedly connected with divides the water board, and the middle part of dividing the water board is provided with circular recess, and the upper end of pipe sets up in the recess of dividing the water board, divides the water board to set up to frustum shape and circumference equidistant to be provided with square recess, divides the water board to be used for making liquid follow the heating frid downwardly flowing and evenly be heated.
Further, the stirring mechanism comprises a rotating sleeve, the rotating sleeve is rotationally connected with the guide pipe, the guide pipe is divided into an upper part and a lower part by the rotating sleeve, a turbofan is fixedly connected to the inner wall of the rotating sleeve, stirring plates are fixedly connected to the circumferential direction of the outer ring surface of the rotating sleeve at equal intervals, and the outer ends of the stirring plates are arranged in the heating groove plates.
Further, exhaust mechanism is including the equidistant fixed column that sets up of circumference, the fixed column rigid coupling is in the interior top of deoxidization tower, equidistant fixed column sliding connection who sets up has the sliding plate, sliding plate and deoxidization tower's inner wall sliding connection and sealed cooperation, the middle part of sliding plate is provided with the through-hole, equidistant fixed column sliding connection has the closing plate that is used for sealed sliding plate through-hole, the closing plate is located the upside of sliding plate, equidistant rigid coupling of circumference has the spring between deoxidization tower's interior top and the closing plate, deoxidization tower's top circumference equidistant through-type sliding connection has the slide bar, the one end and the sliding plate rigid coupling of slide bar, the other end rigid coupling of slide bar has the annular plate, deoxidization tower's top rigid coupling has the electric putter who is connected with the control panel electricity, electric putter's flexible end and annular plate rigid coupling, deoxidization tower's top has inlayed and has been collected the shell, it has the air duct to collect the shell intercommunication, the one end and the good oxygen tower intercommunication of air duct.
Further, the sealing plate is provided with an annular sealing ring for increasing the sealability between the sealing plate and the sliding plate.
Further, the inside of the collecting shell is provided with solid particles for absorbing nitrogen gas, and the solid particles are used for preventing the nitrogen gas from entering the inside of the aerobic tower.
Further, slag discharging mechanism is including square piece, square piece rigid coupling in the bottom of deoxidization tower, and the bottom of square piece is provided with rectangular through-hole, and square piece internal rotation is connected with circular shell, circular shell and square piece sealing fit, and one side rigid coupling of square piece has the first driving motor who is connected with the control panel electricity, and the output shaft of first driving motor passes square piece and rotates rather than being connected, and the output shaft and the circular shell rigid coupling of first driving motor.
Further, circulation cooling mechanism is including the support frame of symmetric distribution, the support frame rigid coupling is connected with the rotation shell in the supporting seat, the both ends that rotate the shell all rotate and be connected with the circular plate, rotate shell and two circular plate cooperation and form sealed cavity, the circular plate passes through mounting panel and supporting seat rigid coupling, the circular plate that is close to the annular plate inlays first fixed pipe, the circular plate that keeps away from the annular plate inlays the second fixed pipe, adjacent first fixed pipe and second fixed pipe circumference equidistant intercommunication have the cooling tube, the second fixed pipe intercommunication that is close to the aerobe has first honeycomb duct, the one end and the separator intercommunication of aerobe of first honeycomb duct, the first honeycomb duct is provided with the water pump that is connected with the control panel electricity, the first fixed pipe intercommunication that is close to the aerobe has the second honeycomb duct, the one end and the deoxidization tower intercommunication of second honeycomb duct, the conical shell intercommunication has the third honeycomb duct, the third honeycomb duct passes the deoxidization tower, and with the second fixed pipe intercommunication that is close to the deoxidization tower, the circular plate is provided with the water pump that is connected with the control panel electricity, one side of supporting seat is provided with the heat sink that is connected with the control panel electricity, the heat sink that is provided with the temperature sensor, the one end that is close to the first honeycomb duct and the first honeycomb duct is connected with the first honeycomb duct and the right side of the cooling tube, the first honeycomb duct is used for the rotation cooling device, the first honeycomb duct is connected with the right side cooling device, the first honeycomb duct and the right side is connected with the cooling device, the first honeycomb duct and the cooling device is connected with the right side, wherein.
Further, the stirring assembly comprises symmetrically distributed driving wheels, the driving wheels are fixedly connected to the outer side face of the rotating shell, square plates are fixedly connected to the inner wall of the rotating shell at equal intervals in the circumferential direction, a second driving motor electrically connected with the control panel is fixedly connected to the supporting seat through a mounting plate, a belt wheel is fixedly connected to an output shaft of the second driving motor, and a belt is wound between the belt wheel and the driving wheels.
Further, the device also comprises a baffle fixedly connected to the inner lower part of the deoxidizing tower, the baffle is positioned at the lower side of the second flow guide pipe, grooves are formed in the circumference of the baffle at equal intervals, and the baffle is used for preventing liquid from impacting sludge deposited at the bottom of the deoxidizing tower.
The invention has the following advantages:
1. the medical wastewater uniformly flows downwards along the heating trough plate by utilizing the water diversion plate, so that the heating efficiency of the heating trough plate on the medical wastewater is improved, and the oxygen-enriched medical wastewater is deoxidized; the heating trough plate is utilized to heat part of the medical wastewater, so that gas in the medical wastewater overflows, the phenomenon that the gas in the bottom layer with larger medical wastewater volume overflows slowly is avoided, and the deoxidization efficiency of the medical wastewater is improved.
2. The stirring plate stirs the medicine waste water in the heating frid, makes the medicine waste water of different positions homoenergetic be heated with the heating frid contact, improves medicine waste water's deoxidization efficiency, stirs the board simultaneously and stirs medicine waste water constantly, makes the gas in the medicine waste water spill over fast.
3. The nitrogen in the overflowed gas in the medical wastewater reacts with the nitrogen absorption particles in the collecting shell, and the reacted gas completely enters the aerobic tower through the gas guide pipe, so that the oxygen content of the medical wastewater in the aerobic tower is improved.
4. The output shaft of the first driving motor drives the circular shell to rotate 180 degrees, sludge in the circular shell is discharged from the strip through holes of the square blocks completely, the sludge is prevented from entering the heating trough plates to form accumulation, and the heating efficiency of the heating trough plates to medicine water is reduced.
5. Medical wastewater discharged from the aerobic tower enters into the right radiating pipe and exchanges heat with cooling liquid with higher temperature in the right rotating shell, the medical wastewater discharged from the aerobic tower is preheated, the energy consumed by heating of a heating trough plate is reduced, and meanwhile, medical wastewater discharged from the deoxidizing tower enters into the left radiating pipe and exchanges heat with cooling liquid with lower temperature in the left rotating shell, so that the medical wastewater discharged from the deoxidizing tower is pre-cooled, the energy consumed by the cooling device to the medical wastewater is reduced, and the energy utilization rate of the nitrogen removal device is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a right-side perspective view of the support base of the present invention.
FIG. 3 is a schematic cross-sectional perspective view of the deoxidizing tower of the present invention.
FIG. 4 is a schematic cross-sectional perspective view of the water distribution plate of the present invention.
FIG. 5 is a schematic view of a partially enlarged sectional perspective view of the deoxidizing tower of the present invention.
Fig. 6 is a schematic cross-sectional perspective view of the agitation mechanism of the present invention.
Fig. 7 is a schematic perspective view of an exhaust mechanism according to the present invention.
FIG. 8 is a schematic perspective view of the slag discharging mechanism of the present invention.
Fig. 9 is a schematic rear-view perspective structure of the circulation cooling mechanism of the present invention.
Fig. 10 is a schematic perspective view of a sectional view of a rotary shell according to the present invention.
Meaning of reference numerals in the drawings: 1: aerobic tower, 2: deoxidizing tower, 3: anaerobic column, 4: aeration device, 401: supporting seat, 5: heating the grooved plate, 6: conical shell, 7: catheter, 8: water diversion plate, 9: rotating sleeve, 10: turbofan, 11: stirring plate, 12: fixing column, 13: slide plate, 14: sealing plate, 15: spring, 16: slide bar, 17: annular plate, 18: electric putter, 19: collecting shell, 1901: airway, 20: square block, 21: circular shell, 22: first driving motor, 23: support frame, 24: rotating shell, 25: circular plate, 26: first fixed tube, 27: second stationary tube, 28: radiating pipe, 29: first draft tube, 30: second draft tube, 31: third draft tube, 32: cooling device, 33: fourth draft tube, 34: water guide pipe, 35: driving wheel, 36: second driving motor, 37: and a baffle.
Detailed Description
Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Example 1
The utility model provides a medical waste water is with circulation nitrogen removal device with deoxidization function, as shown in figure 1-10, including aerobic tower 1, the left side of aerobic tower 1 is provided with deoxidization tower 2, the left side of deoxidization tower 2 is provided with anaerobic tower 3, the top of aerobic tower 1 and anaerobic tower 3 all is provided with the separator, the right side of aerobic tower 1 is provided with aeration equipment 4, aeration equipment 4 and aerobic tower 1 pass through the connecting pipe intercommunication, aeration equipment 4 is used for importing oxygen into aerobic tower 1, the front side of aerobic tower 1 is provided with supporting seat 401, supporting seat 401 bolted connection has control panel, deoxidization tower 2's inner wall bolted connection has the heating frid 5 with control panel electricity, heating frid 5's inside wall is less than the lateral wall, deoxidization tower 2's inner wall welding has cone-shaped shell 6, cone-shaped shell 6 is located the lower part of heating frid 5, the middle part through fixedly connected with pipe 7, the lower end of the conduit 7 is provided with a filter screen, the filter screen of the conduit 7 is used for filtering sludge in the medical wastewater, the sludge is prevented from entering the heating trough plate 5, liquid at the lower part of the deoxidizing tower 2 uniformly flows to the heating trough plate 5 along the conduit 7 for heating and deoxidizing under the action of pressure, the conduit 7 is provided with a stirring mechanism for stirring the liquid in the heating trough plate 5, the stirring mechanism stirs the medical wastewater in heating to improve the overflowing speed of gas in the medical wastewater, the top of the deoxidizing tower 2 is provided with an exhaust mechanism communicated with the aerobic tower 1, the exhaust mechanism discharges the overflowed gas in the medical wastewater and leads the discharged gas into the aerobic tower 1, the bottom of the deoxidizing tower 2 is provided with a deslagging mechanism for removing the sludge, the deslagging mechanism discharges the sludge entering the deoxidizing tower 2, the sludge in the deoxidizing tower 2 is prevented from entering the heating trough plate 5 to be accumulated, the support 401 is provided with a circulation cooling mechanism for cooling the liquid, and the aerobic tower 1, the deoxidizing tower 2 and the anaerobic tower 3 are communicated through the circulation cooling mechanism.
As shown in fig. 5, the upper end of the conduit 7 is welded with a water diversion plate 8, the middle part of the water diversion plate 8 is provided with a circular groove, the upper end of the conduit 7 is arranged in the groove of the water diversion plate 8, the water diversion plate 8 is arranged into a frustum shape, square grooves are circumferentially and equidistantly arranged, medical wastewater overflows from the circular groove of the water diversion plate 8 and uniformly flows downwards along the inclined surface of the water diversion plate 8, so that the medical wastewater uniformly disperses to flow downwards along the outer wall of the heating groove plate 5, the heating efficiency of the heating groove plate 5 on the medical wastewater is improved, and the water diversion plate 8 is used for enabling liquid to flow downwards along the heating groove plate 5 and be uniformly heated.
As shown in fig. 6, the stirring mechanism comprises a rotating sleeve 9, the rotating sleeve 9 is rotationally connected to the guide pipe 7, the rotating sleeve 9 divides the guide pipe 7 into an upper part and a lower part, a turbofan 10 is welded on the inner wall of the rotating sleeve 9, stirring plates 11 are welded on the outer annular surface of the rotating sleeve 9 at equal intervals in circumferential direction, the outer ends of the stirring plates 11 are arranged in the heating groove plates 5, the stirring plates 11 stir medical wastewater in the heating groove plates 5, so that the medical wastewater in different positions can be heated by being contacted with the heating groove plates 5, and the deoxidization efficiency of the medical wastewater is improved.
As shown in fig. 7, the exhaust mechanism comprises three fixed columns 12, the fixed columns 12 are welded at the inner top of the deoxidizing tower 2, the three fixed columns 12 are slidably connected with a sliding plate 13, the sliding plate 13 is slidably connected with the inner wall of the deoxidizing tower 2 and is in sealing fit, a through hole is arranged in the middle of the sliding plate 13, the three fixed columns 12 are slidably connected with a sealing plate 14 for sealing the through hole of the sliding plate 13, the sealing plate 14 is provided with an annular sealing ring for increasing the tightness between the sealing plate 14 and the sliding plate 13, the sealing plate 14 is positioned at the upper side of the sliding plate 13, a spring 15 is fixedly connected between the inner top of the deoxidizing tower 2 and the sealing plate 14 at equal intervals in the circumferential direction, under the elastic force of the spring 15, the sealing plate 14 and the sliding plate 13 are tightly extruded, the incomplete sealing between the sealing plate 14 and the sliding plate 13 is avoided, the top circumference equidistant through sliding connection of deoxidization tower 2 has slide bar 16, the lower extreme and the 13 rigid coupling of slide bar 16, the upper end rigid coupling of slide bar 16 has annular slab 17, the top bolted connection of deoxidization tower 2 has the electric putter 18 who is connected with the control panel electricity, electric putter 18's flexible end and annular slab 17 welding, the top of deoxidization tower 2 has inlayed and has been collected shell 19, the inside of collecting shell 19 is provided with the solid particle that is used for absorbing nitrogen gas, be used for preventing that nitrogen gas from entering into aerobe 1 inside, nitrogen gas in the medicine waste water overflow gas reacts with the nitrogen gas absorption particle in the collection shell 19, the gas after the reaction all enters into aerobe 1 through air duct 1901, improve the oxygen content of medicine waste water in the aerobe 1, the collection shell 19 intercommunication has air duct 1901, the one end and the aerobe good oxygen tower 1 intercommunication.
As shown in fig. 8, the slag discharging mechanism comprises a square block 20, the square block 20 is welded at the bottom of the deoxidizing tower 2, a strip through hole is formed in the bottom of the square block 20, a round shell 21 is connected in a rotating manner to the square block 20, the round shell 21 is in sealing fit with the square block 20, sludge in the round shell 21 is discharged from the strip through hole of the square block 20 completely, the sludge is prevented from entering the heating trough plate 5 to form accumulation, the heating efficiency of the heating trough plate 5 on medicine water is reduced, a first driving motor 22 electrically connected with a control panel is connected to the rear side surface of the square block 20 through bolts, and an output shaft of the first driving motor 22 penetrates through the square block 20 and is connected with the square block in a rotating manner, and an output shaft of the first driving motor 22 is welded with the round shell 21.
As shown in fig. 9 and 10, the circulating cooling mechanism comprises a supporting frame 23 which is symmetrically distributed, the supporting frame 23 is connected with a supporting seat 401 by bolts, the supporting frame 23 is rotationally connected with a rotating shell 24, both ends of the rotating shell 24 are rotationally connected with a circular plate 25, the rotating shell 24 and the two circular plates 25 are matched to form a sealed cavity, the circular plate 25 is connected with the supporting seat 401 by bolts through a mounting plate, the circular plate 25 at the upper side is embedded with a first fixed pipe 26, the circular plate 25 at the lower side is embedded with a second fixed pipe 27, adjacent first fixed pipes 26 and second fixed pipes 27 are communicated with cooling pipes 28 at equal intervals in the circumferential direction, a second fixed pipe 27 close to an aerobic tower 1 is communicated with a first guide pipe 29, one end of the first guide pipe 29 is communicated with a separator of the aerobic tower 1, the first guide pipe 29 is provided with a water pump electrically connected with a control panel, the first fixed pipe 26 close to the aerobic tower 1 is communicated with a second guide pipe 30, one end of the second guide pipe 30 is communicated with the deoxidizing tower 2, the conical shell 6 is communicated with a third guide pipe 31, the third guide pipe 31 passes through the deoxidizing tower 2 and is communicated with a second fixed pipe 27 close to the deoxidizing tower 2, the third guide pipe 31 is provided with a water pump electrically connected with a control panel, one side of the supporting seat 401 is provided with a cooling device 32 electrically connected with the control panel, the cooling device 32 is provided with a temperature sensor, a temperature detector of the cooling device 32 detects the temperature of medical wastewater after deoxidizing in real time, the deoxidized wastewater is kept between 20 ℃ and 30 ℃, the proper temperature of the medical wastewater reaches the proper temperature of the temperature denitrification reaction, a first fixed pipe 26 close to the deoxidizing tower 2 is communicated with the cooling device 32, the cooling device 32 is communicated with a fourth guide pipe 33, one end of the fourth guide pipe 33 is communicated with the anaerobic tower 3, a water guide pipe 34 is communicated between the left and right adjacent circular plates 25, and one of the water guide pipes 34 is provided with a water pump electrically connected with the control panel, the cavity formed by the circular plate 25 and the rotary shell 24 is internally provided with cooling liquid for cooling, and the supporting seat 401 is provided with an agitating assembly for improving heat exchange efficiency.
As shown in fig. 9, the stirring assembly includes symmetrically distributed driving wheels 35, the driving wheels 35 are welded on the outer side surface of the rotating shell 24, square plates are welded on the inner wall of the rotating shell 24 at equal intervals in the circumferential direction, a support seat 401 is connected with a second driving motor 36 electrically connected with the control panel through a mounting plate bolt, an output shaft key of the second driving motor 36 is connected with a belt wheel, a belt is wound between the belt wheel and the driving wheels 35, and the square plates inside the rotating shell 24 stir the cooling liquid therein, so that the liquid is fully contacted with the radiating pipes 28, and the heat exchange efficiency of medical waste water and the cooling liquid is improved.
When the nitrogen removal device is used, a worker fills medical wastewater into the aerobic tower 1, nitrifies the medical wastewater through aerobic bacteria in the aerobic tower 1, starts a start button of a control panel, then starts an aeration device 4, the aeration device 4 injects oxygen into the aerobic tower 1 to provide oxygen-enriched environment for the aerobic bacteria, thereby improving the nitrifying reaction in the aerobic tower 1, improving the nitrogen removal efficiency of the medical wastewater, the medical wastewater which completes the reaction in the aerobic tower 1 flows into the deoxidization tower 2 through an upper separator thereof along a first guide pipe 29, a right side second fixed pipe 27, a right side radiating pipe 28, a first fixed pipe 26 and a second guide pipe 30, the medical wastewater discharged from the aerobic tower 1 enters the right side radiating pipe 28, exchanges heat with cooling liquid with higher temperature in a right side rotating shell 24, preheats the medical wastewater discharged from the aerobic tower 1, the energy consumed by heating the heating trough plate 5 is reduced, the control panel starts the water pump of the first guide pipe 29, the pressure of the medical wastewater in the first guide pipe 29 is improved, as the medical wastewater continuously enters the deoxidizing tower 2, the internal pressure of the deoxidizing tower 2 is continuously increased, the liquid in the bottom of the deoxidizing tower 2 continuously flows upwards along the guide pipe 7, the control panel starts the heating trough plate 5, the medical wastewater flows out of the upper end of the guide pipe 7 and fills the circular groove of the water distribution plate 8, the medical wastewater overflows from the circular groove of the water distribution plate 8 and uniformly flows downwards along the inclined surface of the water distribution plate 8, the medical wastewater uniformly disperses downwards along the outer wall of the heating trough plate 5, the heating trough plate 5 heats the medical wastewater to overflow the gas therein in the process of the medical wastewater downwards, the medical wastewater uniformly flows downwards along the heating trough plate 5 by utilizing the water distribution plate 8, the heating efficiency of the heating trough plate 5 to the medical waste water is improved, so that the oxygen-enriched medical waste water is deoxidized, along with the continuous flow of the medical waste water, the medical waste water overflows along the inner wall of the heating trough plate 5, and the heating trough plate 5 is utilized to heat partial medical waste water, so that the gas in the medical waste water overflows, the phenomenon that the medicine waste water is larger in volume and the gas overflows slowly from the bottom layer is avoided, and the deoxidizing efficiency of the medical waste water is improved.
In the process that the medical wastewater flows upwards along the guide pipe 7, the filter screen at the lower end of the guide pipe 7 filters sludge in the medical wastewater, the medical wastewater impacts the turbofan 10, the turbofan 10 drives the rotating sleeve 9 and the stirring plate 11 on the rotating sleeve to circumferentially rotate, the stirring plate 11 stirs the medical wastewater in the heating trough plate 5, so that the medical wastewater at different positions can be heated by being contacted with the heating trough plate 5, the deoxidization efficiency of the medical wastewater is improved, and gas in the medical wastewater overflows rapidly.
The process of heating the medical wastewater can generate nitrogen, carbon dioxide and other gases, the overflowed gases flow upwards through the through holes of the sliding plate 13, the control panel intermittently starts the electric push rod 18, the telescopic end of the electric push rod 18 drives the sliding plate 13 to move upwards through the sliding rod 16 and the annular plate 17, after the sliding plate 13 moves upwards and contacts the sealing plate 14, the sealing plate 14 seals the through holes of the sliding plate 13, the sealing plate 14 and the sliding plate 13 move upwards along the fixed column 12, the spring 15 is compressed, the gases at the upper part of the deoxidizing tower 2 are extruded upwards by the sliding plate 13 and are discharged into the collecting shell 19, under the action of the elasticity of the spring 15, the sealing plate 14 and the sliding plate 13 are tightly extruded, incomplete air leakage between the sealing plate 14 and the sliding plate 13 is avoided, nitrogen in the overflowed gases in the medical wastewater reacts with nitrogen absorption particles in the collecting shell 19, the gases after the reaction with the nitrogen absorption particles enter the aerobic tower 1 through the air guide pipe 1901, the oxygen content of the medical wastewater in the aerobic tower 1 is improved, after the gases in the aerobic tower 1 are discharged, the control panel controls the telescopic rod of the electric push rod 18 to reset, the sliding plate 13 and the spring 15 are reset under the action of the spring 15 again, and the sealing plate 13 is separated under the action of the spring 15.
In the process, the medical wastewater in the aerobic tower 1 is continuously conveyed into the deoxidizing tower 2, a small part of sludge is carried by the medical wastewater in the aerobic tower 1 and enters the deoxidizing tower 2, the sludge is deposited to the lower part and enters the circular shell 21 under the action of gravity, after a certain time, the control panel starts the first driving motor 22, the output shaft of the first driving motor 22 drives the circular shell 21 to rotate 180 degrees, the sludge in the circular shell 21 is completely discharged from the long through holes of the square block 20, the sludge is prevented from entering the heating trough plate 5 to form accumulation, the heating efficiency of the heating trough plate 5 on the medical fee water is reduced, and the output shaft of the first driving motor 22 drives the circular shell 21 to reset.
In the process, the medical wastewater after deoxidation flows into the conical shell 6, the control panel starts the water suction pump of the third guide pipe 31, the medical wastewater after deoxidation enters the radiating pipe 28 along the third guide pipe 31 and the left second fixed pipe 27, the medical wastewater discharged from the deoxidation tower 2 enters the left radiating pipe 28 and exchanges heat with the cooling liquid with lower temperature in the left rotating shell 24, the medical wastewater discharged from the deoxidation tower 2 is pre-cooled, the energy consumed by the cooling device 32 for the medical wastewater is reduced, the utilization rate of the energy by the nitrogen removal device is improved, the medical wastewater after deoxidation in the radiating pipe 28 flows into the cooling device 32, the temperature detector of the cooling device 32 detects the temperature of the medical wastewater after deoxidation in real time, the temperature of the medical wastewater after deoxidation is kept between 20 ℃ and 30 ℃ until the temperature of the medical wastewater reaches the proper temperature of denitrification reaction, the medical wastewater after cooling flows into the anaerobic tower 3 along the fourth guide pipe 33 for medical fee water and denitrification reaction, nitrate is converted into nitrogen gas to be discharged, the medical wastewater after the medical wastewater is utilized by the cooling device 32 for the medical wastewater, the anaerobic tower 3 is cooled, the nitrogen removal rate is improved, and the denitrification rate of the medical wastewater is improved.
In the flowing process of the medical wastewater, the control panel starts the second driving motor 36, the output shaft of the second driving motor 36 is transmitted by the belt and the transmission wheel 35, the rotating shells 24 on the two sides are enabled to rotate circumferentially, the square plates inside the rotating shells 24 stir cooling liquid in the square plates, the cooling liquid is enabled to be fully contacted with the radiating pipe 28, the heat exchange efficiency of the medical wastewater and the cooling liquid is improved, the water suction pump of the water guide pipe 34 is started at intervals with the control panel, the cooling liquid on the two sides is enabled to exchange, the cooling liquid with higher temperature of the rotating shells 24 on the left side enters the right side, the cooling liquid with lower temperature of the rotating shells 24 on the right side enters the left side, the cooling liquid in the rotating shells 24 on the two sides is enabled to exchange, the cooling liquid is fully utilized to pre-heat and pre-cool the medical wastewater, and the energy utilization rate is improved.
Example 2
On the basis of embodiment 1, as shown in fig. 4, the device further comprises a baffle 37, the baffle 37 is welded at the inner lower part of the deoxidizing tower 2, the baffle 37 is positioned at the lower side of the second flow guide pipe 30, grooves are formed in the circumferential direction of the baffle 37 at equal intervals, the baffle 37 is used for preventing liquid from impacting the sludge deposited at the bottom of the deoxidizing tower 2, the second flow guide pipe 30 flows on the upper side of the baffle 37 in the process of draining water into the deoxidizing tower 2, meanwhile, the deposited sludge moves downwards along the inclined surface of the baffle 37, and the deposited sludge moves downwards through the square groove of the baffle 37 and enters the circular shell 21, so that the diffusion of the deposited sludge in the circular shell 21 due to the impact of the medical sewage is avoided, the deposition caused by the entrance of the sludge into the heating trough plate 5 is avoided, and the heating efficiency of the medical sewage is reduced.
While the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the invention as defined in the following claims. Accordingly, the detailed description of the disclosed embodiments is to be taken only by way of illustration and not by way of limitation, and the scope of protection is defined by the content of the claims.
Claims (5)
1. The utility model provides a medical waste water is with circulation nitrogen removal device with deoxidization function, including good oxygen tower (1), one side of good oxygen tower (1) is provided with deoxidization tower (2), one side that good oxygen tower (1) was kept away from to deoxidization tower (2) is provided with anaerobic tower (3), the top of good oxygen tower (1) and anaerobic tower (3) all is provided with the separator, one side of good oxygen tower (1) is provided with aeration equipment (4), aeration equipment (4) and good oxygen tower (1) are through the connecting pipe intercommunication, aeration equipment (4) are used for to the oxygen of importing in good oxygen tower (1), one side of good oxygen tower (1) is provided with supporting seat (401), supporting seat (401) rigid coupling has control panel, characterized by: the device comprises a control panel, a heating trough plate (5) electrically connected with the control panel, wherein the heating trough plate (5) is fixedly connected to the inner wall of the deoxidizing tower (2), the inner wall of the heating trough plate (5) is lower than the outer wall, a conical shell (6) is fixedly connected to the inner wall of the deoxidizing tower (2), the conical shell (6) is positioned at the lower part of the heating trough plate (5), a guide pipe (7) is fixedly connected to the middle part of the conical shell (6), a filter screen is arranged at the lower end of the guide pipe (7), liquid at the lower part of the deoxidizing tower (2) uniformly flows to the heating trough plate (5) along the guide pipe (7) under the action of pressure to heat and deoxidize, the guide pipe (7) is provided with an agitating mechanism for agitating the liquid in the heating trough plate (5), the top of the deoxidizing tower (2) is provided with an exhaust mechanism communicated with the aerobic tower (1), the bottom of the deoxidizing tower (2) is provided with a slag removing mechanism for removing sludge, a supporting seat (401) is provided with a circulating cooling mechanism for cooling the liquid, and the aerobic tower (1), the deoxidizing tower (2) and the anaerobic tower (3) are communicated through the circulating cooling mechanism;
the upper end of the conduit (7) is fixedly connected with a water diversion plate (8), the middle part of the water diversion plate (8) is provided with a circular groove, the upper end of the conduit (7) is arranged in the groove of the water diversion plate (8), the water diversion plate (8) is arranged into a frustum shape, square grooves are circumferentially and equidistantly arranged, and the water diversion plate (8) is used for enabling liquid to flow downwards along the heating groove plate (5) and be heated uniformly;
the stirring mechanism comprises a rotating sleeve (9), the rotating sleeve (9) is rotationally connected to the guide pipe (7), the guide pipe (7) is divided into an upper part and a lower part by the rotating sleeve (9), a turbofan (10) is fixedly connected to the inner wall of the rotating sleeve (9), stirring plates (11) are fixedly connected to the circumferential direction of the outer ring surface of the rotating sleeve (9) at equal intervals, and the outer ends of the stirring plates (11) are arranged in the heating groove plates (5);
the circulating cooling mechanism comprises a supporting frame (23) which is symmetrically distributed, the supporting frame (23) is fixedly connected to a supporting seat (401), the supporting frame (23) is rotationally connected with a rotating shell (24), both ends of the rotating shell (24) are rotationally connected with circular plates (25), the rotating shell (24) and the two circular plates (25) are matched to form a sealing cavity, the circular plates (25) are fixedly connected with the supporting seat (401) through mounting plates, the circular plates (25) close to the annular plates (17) are embedded with first fixed pipes (26), the circular plates (25) far away from the annular plates (17) are embedded with second fixed pipes (27), adjacent first fixed pipes (26) and second fixed pipes (27) are communicated with radiating pipes (28) at equal intervals in circumference, the second fixed pipes (27) close to the aerobic towers (1) are communicated with first guide pipes (29), one ends of the first guide pipes (29) are communicated with separators of the aerobic towers (1), the first guide pipes (29) are provided with water pumps which are electrically connected with control panels, the first fixed pipes (26) close to the aerobic towers (1) are communicated with second guide pipes (30), the second guide pipes (30) are communicated with the first guide pipes (31) which are communicated with the third conical towers (31), and communicate with second fixed tube (27) close to deoxidizing tower (2), third honeycomb duct (31) is provided with the water pump that is connected with control panel electricity, one side of supporting seat (401) is provided with heat sink (32) that is connected with control panel electricity, heat sink (32) are provided with temperature sensor, first fixed tube (26) close to deoxidizing tower (2) communicate with heat sink (32), heat sink (32) communicate has fourth honeycomb duct (33), one end of fourth honeycomb duct (33) communicates with anaerobic tower (3), communicate between the adjacent circular plate (25) of controlling has water guide pipe (34), and one of them water guide pipe (34) is provided with the water pump that is connected with control panel electricity, the cavity inside that circular plate (25) and rotation shell (24) formed is provided with the coolant liquid that is used for the cooling, supporting seat (401) are provided with the stirring subassembly that is used for improving heat exchange efficiency;
the stirring assembly comprises symmetrically distributed driving wheels (35), the driving wheels (35) are fixedly connected to the outer side face of the rotating shell (24), square plates are fixedly connected to the inner wall of the rotating shell (24) at equal intervals in the circumferential direction, a second driving motor (36) electrically connected with the control panel is fixedly connected to the supporting seat (401) through a mounting plate, a belt wheel is fixedly connected to an output shaft of the second driving motor (36), and a belt is wound between the belt wheel and the driving wheels (35);
the device further comprises a baffle plate (37), wherein the baffle plate (37) is fixedly connected to the inner lower part of the deoxidizing tower (2), the baffle plate (37) is positioned at the lower side of the second flow guide pipe (30), grooves are formed in the circumferential direction of the baffle plate (37) at equal intervals, and the baffle plate (37) is used for preventing liquid from impacting sludge deposited at the bottom of the deoxidizing tower (2).
2. The circulating nitrogen removal device with deoxidizing function for medical wastewater according to claim 1, which is characterized in that: the exhaust mechanism comprises fixed columns (12) which are arranged at equal intervals in the circumferential direction, the fixed columns (12) are fixedly connected to the inner top of the deoxidizing tower (2), the fixed columns (12) which are arranged at equal intervals are connected with sliding plates (13) in a sliding manner, the sliding plates (13) are connected with the inner wall of the deoxidizing tower (2) in a sliding manner and are in sealing fit, through holes are formed in the middle of the sliding plates (13), sealing plates (14) which are used for sealing the through holes of the sliding plates (13) are connected in a sliding manner, the sealing plates (14) are located on the upper side of the sliding plates (13), springs (15) are fixedly connected between the inner top of the deoxidizing tower (2) and the sealing plates (14) at equal intervals in the circumferential direction, sliding rods (16) are connected with one end of each sliding rod (16) in a penetrating manner at equal intervals in the circumferential direction, annular plates (17) are fixedly connected with one end of each sliding rod (16) with the inner wall of the sliding plate, electric push rods (18) which are fixedly connected with the top of the deoxidizing tower (2) in a connecting mode, the telescopic ends of the electric push rods (18) are fixedly connected with the annular plates (17) which are fixedly connected with the control panel, the tops of the oxygen guide shells (19) are fixedly connected with the top of the deoxidizing tower (2) and are fixedly connected with the air guide shells (1901), and the air guide shells (1901) are communicated with one ends of the air guide shells (1901).
3. The circulating nitrogen removal device with deoxidizing function for medical wastewater according to claim 2, which is characterized in that: the sealing plate (14) is provided with an annular sealing ring for increasing the tightness between the sealing plate (14) and the sliding plate (13).
4. The circulating nitrogen removal device with deoxidizing function for medical wastewater according to claim 2, which is characterized in that: the inside of the collecting shell (19) is provided with solid particles for absorbing nitrogen, and the solid particles are used for preventing the nitrogen from entering the inside of the aerobic tower (1).
5. The circulating nitrogen removal device with deoxidizing function for medical wastewater according to claim 2, which is characterized in that: the slag discharging mechanism comprises a square block (20), wherein the square block (20) is fixedly connected to the bottom of the deoxidizing tower (2), a strip through hole is formed in the bottom of the square block (20), a round shell (21) is connected to the square block (20) in a rotating mode, the round shell (21) is in sealing fit with the square block (20), a first driving motor (22) electrically connected with a control panel is fixedly connected to one side of the square block (20), and an output shaft of the first driving motor (22) penetrates through the square block (20) and is connected with the square block in a rotating mode.
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| CN1931753A (en) * | 2006-09-27 | 2007-03-21 | 北京中科通用能源环保有限责任公司 | Sludge drying and incinerating treatment process |
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Effective date of registration: 20240626 Address after: No. 101, Unit 3, Building 17, No. 7366 Second Ring East Road, Lixia District, Jinan City, Shandong Province, 250000 Patentee after: Sun Fengjun Country or region after: China Address before: Room 402, Building 18, Zhongrun Century Plaza, Lixia District, Jinan, Shandong 250000 Patentee before: SHANDONG PUXU FUZHONG ENERGY SAVING AND ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Country or region before: China |