CN211828164U

CN211828164U - Device for rapidly treating low-concentration radioactive medical sewage

Info

Publication number: CN211828164U
Application number: CN202020255016.8U
Authority: CN
Inventors: 李圣; 胡景奎; 董立华
Original assignee: Guangdong Chuangxin Environmental Protection Engineering Co ltd
Current assignee: Guangdong Chuangxin Environmental Protection Engineering Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-10-30
Anticipated expiration: 2030-03-04

Abstract

The utility model relates to a device for rapidly treating low-concentration radioactive medical sewage, which comprises a shell, wherein the upper surface of the shell is connected with a liquid inlet pipe, a primary filtering chamber, a flocculation chamber and a fermentation chamber are sequentially arranged in the shell from top to bottom, vent chamber and deposit room, the bottom of prefilter chamber is equipped with row cinder notch, be equipped with the circulation passageway between prefilter chamber and the flocculation room, be equipped with filter screen and first valve in the circulation passageway, one side of flocculation room is connected with reinforced medicine fill, be connected with the second valve between flocculation room and the fermentation room, one side of fermentation room is equipped with the venthole, the check valve is equipped with in the venthole, be connected with the third valve between fermentation room and the venthole, be connected with the ozone conveyer pipe on the venthole, be connected with the fourth valve between venthole and the deposit room, one side of casing is equipped with the decay pond, the decay pond is linked together with the deposit room, the prefilter chamber, the flocculation room, respectively be equipped with a stirring rake in fermentation room and the venthole. The device for rapidly treating the low-concentration radioactive medical sewage has a simple structure and small occupied space.

Description

Device for rapidly treating low-concentration radioactive medical sewage

Technical Field

The utility model relates to a medical wastewater treatment field especially relates to a device of rapid processing low concentration radioactive medical treatment sewage.

Background

Medical treatment process often produces some medical waste water, contain some poisonous pollutant or medical nutritional agent in the medical waste water usually, some medical waste water contains radioactive pollutant even, can cause the pollution to the surrounding environment if directly discharging, consequently generally need carry out innocent treatment to medical waste water, can not discharge until the medical treatment reaches discharge standard, and traditional medical waste water treatment device all need dig several treatment ponds in addition, let in medical waste water each pond segmentation processing in proper order, the space that whole device occupy is very big, and the device is difficult to maintain, the cost is also very high.

Disclosure of Invention

An object of the utility model is to provide a device of rapid processing low concentration radioactive medical sewage to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a device of rapid processing low concentration radioactive medical treatment sewage, its includes the shell, the shell upper surface is connected with the feed liquor pipe, top-down is equipped with just straining chamber, flocculation chamber, fermentation chamber, air vent and deposit room in proper order in the shell, the bottom of just straining chamber is equipped with the row cinder notch, just straining chamber with be equipped with the circulation passageway between the flocculation chamber, be equipped with filter screen and first valve in the circulation passageway, the filter screen is located first valve is close to one side of just straining chamber, one side of flocculation chamber is connected with reinforced medicine fill, flocculation chamber with be connected with the second valve between the fermentation chamber, one side of fermentation chamber is equipped with the venthole, the check valve is equipped with in the venthole, be connected with the third valve between fermentation chamber and the air vent, be connected with the ozone conveyer pipe on the air vent, be connected with the fourth valve between air vent and the deposit room, one side of the shell is provided with a decay tank which is communicated with the deposition chamber, and the primary filtering chamber, the flocculation chamber, the fermentation chamber and the ventilation chamber are respectively provided with a stirring paddle.

Further, still include rabbling mechanism, rabbling mechanism includes motor and a plurality of drive gear, and a drive gear is fixed on the top of every stirring rake, motor drive gear rotates.

Further, rabbling mechanism still includes driving belt, a plurality of driven gear, a plurality of reversing gear, drive gear with reversing gear all is conical gear, every drive gear meshes with a reversing gear mutually, drive gear with reversing gear is located the shell, driven gear is located outside the shell, driven gear with reversing gear one-to-one and coaxial rotation, the driving belt cover is outside a plurality of driven gear, the motor drives driven gear rotates.

Further, an ultraviolet lamp is installed on the inner side wall of the deposition chamber.

Furthermore, one side of the deposition chamber is provided with a drainage tube, the drainage tube is respectively communicated with the deposition chamber and the decay tank, and a water suction pump is arranged on the drainage tube.

Furthermore, a sludge discharge pipe is arranged at the bottom of the deposition chamber, and the connection part of the drainage pipe and the deposition chamber is positioned above the sludge discharge pipe.

Furtherly be equipped with mud pushing mechanism in the deposit chamber, mud pushing mechanism includes a pair of chain and two gear trains, the gear train includes three rotating gear, and three rotating gear is triangular distribution, and wherein two rotating gear are located same horizontal position, the chain cover is outside the gear train, the interval is fixed with the scraper blade on the chain, the mud pipe is located on the advancing direction of scraper blade.

The utility model has the advantages that: the device for rapidly treating the low-concentration radioactive medical sewage is simple in structure, the primary filtering chamber, the flocculation chamber, the fermentation chamber, the ventilation chamber and the deposition chamber are sequentially distributed from top to bottom, the occupied space is small, the stirring paddle can fully stir the sewage, and the reaction efficiency is improved.

Drawings

The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.

Fig. 1 is a schematic structural diagram according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing;

fig. 3 is a schematic structural view of the stirring mechanism.

Detailed Description

As shown in fig. 1-2, an embodiment of the present invention provides an apparatus for rapidly treating low-concentration radioactive medical wastewater, which includes a housing 1, wherein the housing 1 is made of a corrosion-resistant material, and a radiation-proof layer, such as a radiation-proof lead plate, is laid on an outer surface of the housing. The utility model discloses a sewage treatment device, including shell 1, feed liquor pipe 2, top-down in the shell, feed liquor pipe 2 is used for letting in pending medical sewage, top-down is equipped with just straining chamber 3, flocculation chamber 4, fermentation chamber 5, air vent 6 and deposit room 7 in proper order in the shell 1, just straining chamber 3 flocculation chamber 4 fermentation chamber 5 with respectively be equipped with a stirring rake 8 in the air vent 6, stirring rake 8 is used for promoting sewage and medicament fully reaction.

As shown in fig. 1-2, a slag discharge groove 9 is arranged at the bottom of the primary filtering chamber 3, and a slag discharge port 10 is arranged in the slag discharge groove 9. Just filter chamber 3 with be equipped with circulation passageway 11 between the flocculation chamber 4, be equipped with filter screen 12 and first valve 13 in the circulation passageway 11, filter screen 12 is located first valve 13 is close to one side of just filter chamber 3, filter screen 12 can filter the great impurity of some granules, works as when filter screen 12 accumulates too much impurity, stirring rake 8 is through stirring sewage and sweep impurity into arrange sediment groove 9, arrange 10 rethread external equipment of cinder notch and take impurity away additional treatment. After the sewage passes through the primary filtering of the primary filtering chamber 3, a worker can open the first valve 13 to allow the sewage to flow to the flocculation chamber 4 through the flow channel 11. One side of flocculation chamber 4 is connected with reinforced medicine fill 14, flows in when sewage the flocculation chamber 4 is time, can through reinforced medicine fill 14 to add the flocculating agent in the flocculation chamber 4, stirring rake 8 in the flocculation chamber 4 stirs again, ensures that flocculating agent and sewage fully react, flocculates through the flocculating agent to the part microorganism in the sewage, reduces microorganism concentration in the sewage. A second valve 15 is connected between the flocculation chamber 4 and the fermentation chamber 5, flocculated sewage flows from the flocculation chamber 4 to the fermentation chamber 5 through the second valve 15, an air outlet 16 is arranged on one side of the fermentation chamber 5, a one-way valve 17 is arranged in the air outlet 16, bacterial colonies for fermentation are cultured in the fermentation chamber 5, a stirring paddle 8 in the fermentation chamber 5 firstly stirs the sewage, then the sewage is allowed to stand for a period of time, methane generated by the sewage through fermentation can be discharged outwards through the one-way valve 17, and in actual use, the one-way valve 17 is externally connected with a methane collecting device, so that the methane can be recycled.

As shown in fig. 1-2, a third valve 18 is connected between the fermentation chamber 5 and the aeration chamber 6, an ozone delivery pipe 19 is connected to the aeration chamber 6, the fermented wastewater flows from the fermentation chamber 5 to the aeration chamber 6, ozone is input into the aeration chamber 6 from the ozone delivery pipe 19, and then the stirring paddle 8 in the aeration chamber 6 starts stirring to make the ozone and the wastewater fully react, and the microorganisms in the aeration chamber 6 are killed by the ozone. A fourth valve 20 is connected between the aeration chamber 6 and the deposition chamber 7, after ozone is introduced for a period of time, the fourth valve 20 is opened, sewage is introduced into the deposition chamber 7, and the sewage is settled to the bottom surface after the deposition chamber 7 is allowed to stand for a period of time. A decay tank 21 is arranged on one side of the shell 1, the decay tank 21 is communicated with the deposition chamber 7, the precipitated sewage is introduced into the decay tank 21, and the sewage is discharged after the radioactive concentration of the sewage is reduced to a qualified level. An ultraviolet lamp 22 is installed on the inner side wall of the deposition chamber 7, and the ultraviolet lamp 22 can kill microorganisms in the deposition chamber 7. A drainage pipe 23 is arranged on one side of the deposition chamber 7, the drainage pipe 23 is respectively communicated with the deposition chamber 7 and the decay tank 21, a sludge discharge pipe 24 is arranged at the bottom of the deposition chamber 7, and the sludge discharge pipe 24 discharges the sediment in the deposition chamber 7 and guides the sediment to external equipment for further treatment. The drainage tube 23 with the junction of deposit room 7 is located the mud pipe 24 top, be equipped with the suction pump 32 on the drainage tube 23, the suction pump 32 is used for with the supernatant of the sewage in the deposit room 7 is taken out in the decay pond 21. The device for rapidly treating the low-concentration radioactive medical sewage is simple in structure, the primary filtering chamber 3, the flocculation chamber 4, the fermentation chamber 5, the aeration chamber 6 and the deposition chamber 7 are sequentially distributed from top to bottom, the occupied space is small, the stirring paddle 8 can fully stir the sewage, and the reaction efficiency is improved.

As shown in fig. 1 to 3, the device for rapidly treating low-concentration radioactive medical sewage comprises a stirring mechanism, the stirring mechanism comprises a motor 25, a transmission belt, a plurality of driving gears 26, a plurality of driven gears 27 and a plurality of reversing gears 28, the stirring paddle 8 comprises a stirring shaft and a plurality of stirring blades, the stirring blades are fixed on the outer surface of the stirring shaft at intervals, one driving gear 26 is fixed at the top end of each stirring shaft, the driving gear 26 and the reversing gear 28 are both conical gears, the end face of the driving gear 26 is perpendicular to the end face of the reversing gear 28, and each driving gear 26 is meshed with one reversing gear 28. The driving gear 26 and the reversing gear 28 are located in the housing 1, and the driving gear 26 and the reversing gear 28 are protected by a layer of square shell in the housing 1. The driven gear 27 is located outside the shell 1, the driven gear 27 corresponds to the reversing gear 28 one by one, the driven gear 27 and the reversing gear 28 are on the same shaft, and the driven gear 27 rotates along with the reversing gear 28. The driving belt is sleeved outside the plurality of driven gears 27, and the motor 25 drives the driven gears 27 to rotate.

As shown in fig. 1-2, a mud pushing mechanism is disposed in the deposition chamber 7, the mud pushing mechanism includes two chains 29 and two gear sets, each gear set includes three rotating gears 30, the three rotating gears 30 are distributed in a triangular shape, two rotating gears 30 are located at the same horizontal position, another rotating gear 30 is located above, each gear set is externally sleeved with one chain 29, scrapers 31 are fixed on the chains 29 at intervals, each scraper 31 is respectively connected with two chains 29, each gear set is located at two opposite sides of the deposition chamber 7, the scrapers 31 extend along the width direction of the deposition chamber 7, the mud pipe 24 is located in the advancing direction of the scraper 31, a motor is disposed outside the deposition chamber 7, a rotor of the motor is fixed with one rotating gear 30, and the motor drives the rotating gear 30 to rotate, the chain is driven by the rotation of the rotating gear 30, the scraper 31 is driven by the chain, when a certain amount of sediment accumulates in the sedimentation chamber 7, the motor is started, the scraper 31 scrapes the sediment at the bottom of the sedimentation chamber 7 to the sludge discharge pipe 24, and the sediment discharged from the sludge discharge pipe 24 is pumped away by using external equipment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a device of quick processing low concentration radioactive medical treatment sewage, includes the shell, its characterized in that: the upper surface of the shell is connected with a liquid inlet pipe, a primary filter chamber, a flocculation chamber, a fermentation chamber, an aeration chamber and a deposition chamber are sequentially arranged in the shell from top to bottom, a slag discharge port is formed in the bottom of the primary filter chamber, a circulation channel is formed between the primary filter chamber and the flocculation chamber, a filter screen and a first valve are arranged in the circulation channel, the filter screen is located on one side, close to the primary filter chamber, of the first valve, a charging hopper is connected to one side of the flocculation chamber, a second valve is connected between the flocculation chamber and the fermentation chamber, an air outlet hole is formed in one side of the fermentation chamber, a one-way valve is arranged in the air outlet hole, a third valve is connected between the fermentation chamber and the aeration chamber, an ozone conveying pipe is connected to the aeration chamber, a fourth valve is connected between the aeration chamber and the deposition chamber, a decay tank is arranged on one side of the shell and communicated with the deposition chamber, and the primary filtering chamber, the flocculation chamber, the fermentation chamber and the ventilation chamber are respectively internally provided with a stirring paddle.

2. The apparatus for rapidly treating low concentration radioactive medical wastewater according to claim 1, wherein: still include rabbling mechanism, rabbling mechanism includes motor and a plurality of drive gear, and a drive gear is fixed on the top of every stirring rake, motor drive gear rotates.

3. The apparatus for rapidly treating low concentration radioactive medical wastewater according to claim 2, wherein: the rabbling mechanism still includes driving belt, a plurality of driven gear, a plurality of reversing gear, drive gear with reversing gear all is conical gear, every drive gear meshes with a reversing gear mutually, drive gear with reversing gear is located the shell, driven gear is located outside the shell, driven gear with reversing gear one-to-one and coaxial rotation, the driving belt cover is outside a plurality of driven gear, the motor drives driven gear rotates.

4. The apparatus for rapidly treating low concentration radioactive medical wastewater according to claim 1, wherein: and an ultraviolet lamp is arranged on the inner side wall of the deposition chamber.

5. The apparatus for rapidly treating low concentration radioactive medical wastewater according to claim 1, wherein: and a drainage tube is arranged on one side of the deposition chamber, the drainage tube is respectively communicated with the deposition chamber and the decay tank, and a water suction pump is arranged on the drainage tube.

6. The apparatus for rapidly treating low concentration radioactive medical wastewater according to claim 5, wherein: the bottom of the deposition chamber is provided with a sludge discharge pipe, and the joint of the drainage pipe and the deposition chamber is positioned above the sludge discharge pipe.

7. The apparatus for rapidly treating low concentration radioactive medical wastewater according to claim 6, wherein: the indoor mud pushing mechanism that is equipped with of deposit, mud pushing mechanism includes a pair of chain and two gear trains, the gear train includes three rotating gear, and three rotating gear is triangular distribution, and wherein two rotating gear are located same horizontal position, the chain cover is outside the gear train, the interval is fixed with the scraper blade on the chain, the mud pipe is located on the advancing direction of scraper blade.