CN211016565U

CN211016565U - Integration radioactive waste liquid separation tank

Info

Publication number: CN211016565U
Application number: CN201920472637.9U
Authority: CN
Inventors: 杨嗣红
Original assignee: Guangzhou Kenlinwo Environmental Protection Technology Co ltd
Current assignee: Guangzhou Kenlinwo Environmental Protection Technology Co ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-07-14
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses an integration radioactive liquid waste separating tank, including integration waste liquid separating tank, low radioactive liquid waste treatment pond, preprocessing unit, decay pond, integration waste liquid separating tank has set gradually sewage treatment pond, low radioactive liquid waste treatment pond and decay pond from top to bottom, and one side of decay pond is provided with mixed pond, the sewage treatment pond is provided with medical effluent water sump and rainwater effluent water sump respectively, medical effluent water sump's top is provided with medical sewage entry, the top of rainwater effluent water sump is provided with the rainwater entry, be provided with the baffle between medical effluent water sump and the rainwater effluent water sump, and the below of baffle is provided with the through-hole, the inside right side in low radioactive liquid waste treatment pond is provided with low radioactive liquid waste pretreatment pond. The utility model discloses can carry out the integrated treatment to the different waste water in the hospital to carry out reutilization with handling back sewage, distinguish low radioactivity and high radioactivity waste liquid and handle.

Description

Integration radioactive waste liquid separation tank

Technical Field

The utility model relates to a waste liquid treatment technical field specifically is an integration radioactive waste liquid separation tank.

Background

The sources of radioactive isotope waste water in hospitals are mainly laboratory waste water for medical use using radioactive substances, washing water for protective clothing and medical instruments containing radioactivity, and the like. Radioisotopes are mostly used in many hospitals for the diagnosis and treatment of cancer. Most of these radioactive isotopes are radioactive-containing waste water which is excreted after administration to a patient. If Au is colloidal, Au will not participate in metabolism after being injected into human body, so it is not easy to be discharged out of body.

The radioisotopes used by medical units in diagnosis and therapy produce α, β and gamma radioactivity during their decay, and their accumulation in the body can be detrimental to human health.

The main sources of medical radioactive isotope sewage include excrement generated after patients take radioactive isotope medicines; medical devices in contact with a radioisotope material; the medical marking compound is formulated and the excess dose of radioisotope is poured.

The water quality and the water quantity of the medical radioactive isotope sewage can be divided into two parts, and one part of the sewage which is not polluted by radioactive isotopes can be treated and discharged according to the common domestic sewage; the other part is sewage polluted by radioactive isotopes, and the sewage must be treated to ensure that the radioactive concentration of the sewage is reduced to a certain standard before the sewage can be discharged. However, in the prior hospital, different waste liquids are mixed for treatment in the waste liquid treatment, so that the treatment pressure of radioactive liquid is increased, and the problems that the monitoring of the radioactive liquid waste is difficult and the like are solved.

The utility model with the application number of CN201720183198.0 discloses an automatic control medical radioactive wastewater attenuation discharging equipment and system, including a catch basin and at least one attenuation pond and the waste water outlet intercommunication of catch basin, the attenuation pond includes that a septic tank and at least two U type units are established ties in proper order, septic tank water inlet intercommunication inlet channel, its top overflow mouth communicates the water inlet of U type unit, U type unit includes left pond, right pond and the division wall that keeps apart left and right ponds, the division wall bottom is equipped with the circulation mouth of UNICOM left and right ponds, left pond is equipped with the water inlet of U type unit on the last lateral wall of non-division wall, right pond is equipped with the top overflow mouth of U type unit on the last lateral wall of non-division wall; and the switching valve control loops of the U-shaped units are controlled in a centralized manner. The utility model discloses an adopt the independent unit format of modularization, the half life of nuclide is collected according to the principle of hydrodynamics U type pipe to each independent unit, makes a septic tank unit and two to three U type units in addition, reaches independent storage, discharges, clear purpose. The utility model provides a hierarchical cooperation and the control of medical radioactive wastewater discharge, but it is easy with radioactive wastewater and current sanitary wastewater combination discharge not to solve in this patent to be unfavorable for the separation of different treatment standard waste waters.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integration radioactive liquid waste separating tank has solved current liquid waste treatment and has mostly been with different waste liquid mixed treatment, has increased radioactive liquid treatment pressure to it is difficult to the control of radioactive liquid waste.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an integrated radioactive waste liquid separation tank comprises an integrated waste liquid separation tank, a low-radiation waste water treatment tank, a pretreatment unit and a decay tank, wherein the integrated waste liquid separation tank is sequentially provided with a sewage treatment tank, a low-radiation waste water treatment tank and a decay tank from top to bottom, one side of the decay tank is provided with a mixing tank, the sewage treatment tank is respectively provided with a medical sewage tank and a rainwater sewage tank, a medical sewage inlet is arranged above the medical sewage tank, a rainwater inlet is arranged above the rainwater sewage tank, a partition plate is arranged between the medical sewage tank and the rainwater sewage tank, a through hole is arranged below the partition plate, the right side of the interior of the low-radiation waste water treatment tank is provided with the low-radiation waste water pretreatment tank, the left side of the interior of the low-radiation waste water pretreatment tank is provided with the low-radiation waste water inlet, and the pretreatment unit is arranged below the low-radiation waste water inlet, the medical sewage pool and the storage pool are connected with the mixing pool through pipelines, flow metering valves are respectively arranged on the pipelines, and a water outlet is arranged below the left side of the mixing pool.

Further, a sewage purifier is arranged below the medical sewage inlet, and a rainwater purifier is arranged below the rainwater inlet.

Furthermore, a floater filtering net is arranged above the rainwater inlet.

Further, the pretreatment unit is one or more of an adsorption processor, a chemical precipitation processor and an ion exchange processor.

Further, the inner chamber of decay pond is provided with for multilayer structure, and adjacent two-layer interlayer department is provided with the through-hole, and the through-hole position sets up in the crisscross way, is provided with the separation baffle on the interlayer, and the separation baffle highly be less than the distance between the adjacent interlayer.

Furthermore, a lifting pump is arranged at the water outlet.

Furthermore, a fixed radiation monitoring system is arranged in the low-emission wastewater treatment tank, the mixing tank and the decay tank.

Furthermore, the sewage treatment tank is of an integral structure.

Furthermore, a separation plate is arranged between the decay tank and the mixing tank.

Furthermore, a protective isolation layer is arranged below the integrated waste liquid separation tank.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can carry out the integrated processing to the different waste water in the hospital, and carry out reutilization with handling back sewage, distinguish low radioactivity and high radioactivity waste liquid and handle, and utilize the production quantity of different waste liquids to select the treatment pond of suitable size, improve the utilization efficiency of treatment pond, can select the preliminary treatment unit that corresponds according to the waste liquid that corresponds in the hospital waste water, the radioactivity waste liquid after will handling improves water resource utilization with sewage mixed discharge, and avoid discharging the secondary pollution of waste water to the environment.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention.

In the figure: 1. an integrated waste liquid separation tank; 2. a sewage treatment tank; 21. a medical effluent water sump; 22. a rainwater sewage tank; 23. a partition plate; 3. a medical sewage inlet; 4. a sewage purifier; 5. a rainwater purifier; 6. a rainwater inlet; 7. a low-emission wastewater treatment tank; 71. a storage pool; 72. a low-radioactivity wastewater pretreatment tank; 8. a flow metering valve; 9. a water outlet; 10. a mixing tank; 11. a stationary radiation monitoring system; 12. a separator plate; 13. a low-emissivity wastewater inlet; 14. a pre-processing unit; 15. an inlet of the decay tank; 16. Separating the partition plate; 17. a decay tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an integrated radioactive waste liquid separation tank comprises an integrated waste liquid separation tank 1, a low-radiation waste water treatment tank 7, a pretreatment unit 14 and a decay tank 17, wherein the integrated waste liquid separation tank 1 is sequentially provided with a sewage treatment tank 2, a low-radiation waste water treatment tank 7 and a decay tank 17 from top to bottom, one side of the decay tank 17 is provided with a mixing tank 10, the sewage treatment tank 2 is respectively provided with a medical sewage tank 21 and a rainwater sewage tank 22, a medical sewage inlet 3 is arranged above the medical sewage tank 21, a rainwater inlet 6 is arranged above the rainwater sewage tank 22, a partition plate 23 is arranged between the medical sewage tank 21 and the rainwater sewage tank 22, a through hole is arranged below the partition plate 23, the right side in the low-radiation waste water treatment tank 7 is provided with a low-radiation waste water pretreatment tank 72, and the left side in the low-radiation waste water treatment tank is provided with a storage tank 71, the low-radioactivity wastewater pretreatment tank 72 is characterized in that a low-radioactivity wastewater inlet 13 is arranged on the upper right side of the low-radioactivity wastewater pretreatment tank 72, a pretreatment unit 14 is arranged below the low-radioactivity wastewater inlet 13, a decay tank inlet 15 is arranged on the upper right side of a decay tank 17, the medical sewage tank 21 and the storage tank 71 are connected with the mixing tank 10 through pipelines, flow metering valves 8 are arranged on the pipelines respectively, and a water outlet 9 is arranged below the left side of the mixing tank 10.

In this embodiment, a sewage purifier 4 is disposed below the medical sewage inlet 3, and a rainwater purifier 5 is disposed below the rainwater inlet 6.

In this embodiment, a floater filtering net is arranged above the rainwater inlet 6 to filter large floaters and other impurities in the rainwater.

In this embodiment, the pretreatment unit 14 selects one or a combination of an adsorption processor, a chemical precipitation processor and an ion exchange processor, and selects an appropriate processor for different radioactive waste liquids in hospitals to treat low-level radioactive waste water.

In this embodiment, the inner chamber of decay pond 17 is provided with to multilayer structure, and is provided with the through-hole for plywood department between two adjacent layers, and the crisscross setting in through-hole position, is provided with separation baffle 16 on the plywood, and separation baffle 16 highly be less than the distance between the adjacent plywood, utilizes separation baffle 16 and the plywood cooperation that corresponds to guarantee first-in first-out to improve the decay time of liquid in inside.

In this embodiment, a lift pump is disposed at the water outlet 9, so that the liquid in the mixing tank 10 can be discharged in time.

In this embodiment, the low-level wastewater treatment tank 7, the mixing tank 10, and the decay tank 17 are all provided with a fixed radiation monitoring system 11 for monitoring the radiation amount in the corresponding tanks to select the treatment process.

In this embodiment, sewage treatment pond 2 is monolithic structure, can the exclusive use also can install on the separation tank, comprehensive utilization water resource.

In this embodiment, a partition plate 12 is disposed between the decay tank 17 and the mixing tank 10, and the partition plate is made of a material and a structure that can block radiation, so as to reduce the influence of radioactive substances in the right decay tank 17 on the liquid in the mixing tank 10.

In this embodiment, the below of integration waste liquid separation tank 1 is provided with the protection isolation layer, avoids radioactive substance to influence quality of water and soil around with radioactive waste liquid isolation protection through the protection isolation layer.

The working principle is as follows: when the integrated radioactive waste liquid separation tank is used, different pipeline waste water is respectively connected with corresponding interfaces, medical waste water is sent into a medical waste water tank 21 through a pipeline, the waste water is purified by an internal sewage purifier 4, the purified waste water is stored in the medical waste water tank 21, rainwater is purified by a rainwater purifier 5 and is stored in a corresponding rainwater waste water tank 2 and can enter the medical waste water tank 21 through a through hole below a partition plate 23, low-radioactive liquid generated in medical treatment enters a low-radioactive waste water treatment tank 7 through a low-radioactive waste water inlet 13, the low-radioactive waste liquid is pretreated by a pretreatment unit in a low-radioactive waste water pretreatment tank 72, the treated liquid enters a storage tank 71, the purified waste water in the waste water treatment tank 2 and the radioactive liquid which can reach the discharge standard after the pretreatment in the storage tank 71 are sent into a mixing tank 10, and the proportion that corresponds is adjusted more to liquid, utilize flow metering valve can control the mixture proportion, place the subassembly of fixed radiation monitoring system 11 inside mixing tank 10, the liquid that reaches emission standard in time discharges through the cooperation of outlet 9 and water pump, the radioactive waste liquid that will need decay for a long time sends into decay pond 17, through layering decay pond 17, and set up the radioactive liquid that the separation baffle 16 that goes into different periods between the identity layer separates, improve the decay time of liquid inside.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an integration radioactive liquid waste separating tank, includes integration waste liquid separating tank (1), low radioactive liquid waste treatment pond (7), pretreatment unit (14), decay pond (17), its characterized in that: the integrated waste liquid separation tank (1) is sequentially provided with a sewage treatment tank (2), a low-radiation waste water treatment tank (7) and a decay tank (17) from top to bottom, one side of the decay tank (17) is provided with a mixing tank (10), the sewage treatment tank (2) is respectively provided with a medical sewage tank (21) and a rainwater sewage tank (22), a medical sewage inlet (3) is arranged above the medical sewage tank (21), a rainwater inlet (6) is arranged above the rainwater sewage tank (22), a partition plate (23) is arranged between the medical sewage tank (21) and the rainwater sewage tank (22), a through hole is arranged below the partition plate (23), the right side inside the low-radiation waste water treatment tank (7) is provided with a low-radiation waste water pretreatment tank (72), the left side inside the low-radiation waste water treatment tank (72) is provided with a storage tank (71), the right upper side of the low-radiation waste water pretreatment tank (72) is provided with a low-, and a pretreatment unit (14) is arranged below the low-emission wastewater inlet (13), a decay tank inlet (15) is arranged above the right side of the decay tank (17), the medical sewage tank (21) and the storage tank (71) are connected with the mixing tank (10) through pipelines, flow metering valves (8) are respectively arranged on the pipelines, and a water outlet (9) is arranged below the left side of the mixing tank (10).

2. An integrated radioactive spent liquid separation tank according to claim 1, wherein a wastewater purifier (4) is arranged below the medical wastewater inlet (3), and a rainwater purifier (5) is arranged below the rainwater inlet (6).

3. An integrated radioactive liquid waste separating tank according to claim 2, wherein a floater filtering net is arranged above the rainwater inlet (6).

4. The integrated radioactive waste separation tank according to claim 1, wherein the pretreatment unit (14) is selected from one or more of an adsorption type processor, a chemical precipitation processor and an ion exchange processor.

5. The integrated radioactive waste liquid separation tank according to claim 1, wherein the inner cavity of the decay tank (17) is provided with a multi-layer structure, through holes are formed in the layer plates between two adjacent layers, the positions of the through holes are staggered, separation partition plates (16) are arranged on the layer plates, and the height of each separation partition plate (16) is smaller than the distance between the adjacent layer plates.

6. An integrated radioactive waste liquid separation tank according to claim 1, wherein a lift pump is provided at the water outlet (9).

7. An integrated radioactive liquid waste separation tank according to claim 1, wherein a fixed radiation monitoring system (11) is arranged in each of the low-level radioactive liquid waste treatment tank (7), the mixing tank (10) and the decay tank (17).

8. An integrated radioactive waste liquid separation tank according to claim 1, wherein the sewage treatment tank (2) is of a monolithic structure.

9. An integrated radioactive waste liquid separation tank according to claim 1, wherein a partition plate (12) is provided between the decay tank (17) and the mixing tank (10).

10. The integrated radioactive waste liquid separation tank according to claim 1, wherein a protective isolation layer is arranged below the integrated waste liquid separation tank (1).