CN215627472U - Vehicle-mounted medical institution sludge treatment device - Google Patents
Vehicle-mounted medical institution sludge treatment device Download PDFInfo
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- CN215627472U CN215627472U CN202121702454.5U CN202121702454U CN215627472U CN 215627472 U CN215627472 U CN 215627472U CN 202121702454 U CN202121702454 U CN 202121702454U CN 215627472 U CN215627472 U CN 215627472U
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Abstract
The utility model relates to a vehicle-mounted medical institution sludge treatment device, which is characterized in that: the whole device consists of a transport vehicle, a container, a hydrocyclone, a disinfection tank, a bleaching powder bin, an 84 disinfection liquid tank, an ultrasonic oscillation tank, a conditioning tank, a PAC dosing tank, a PAM dosing tank, a diaphragm type plate-and-frame filter press, a filtrate buffer tank, a mud discharging hopper, a screw conveyer, a hydraulic station, a squeezing water tank, an air compressor, a PLC (programmable logic controller) control cabinet, a vehicle-mounted generator, a waste gas purifier, an active carbon adsorption tank and a draught fan. According to the concepts of intensive construction and shared pollution control, the in-situ depth reduction target of the sludge of the medical institution is realized in a flowing operation mode, pathogenic microorganisms in solid, liquid and gas phases are deeply disinfected and purified, and the secondary pollution risk in the operation process is comprehensively eliminated.
Description
Technical Field
The utility model belongs to the technical field of ecological environment protection, and relates to treatment of sludge of medical institutions.
Background
The medical institution sludge refers to sludge generated in the process of treating sewage by a medical institution sewage treatment system, and comprises septic tank sludge, excess sludge, digestion tank sludge and the like. The source and composition of medical facility wastewater is complex, containing large amounts of waste agents and pathogenic microorganisms, and it is estimated that over 80% of the pathogenic bacteria, parasitic eggs, and waste agents in a wastewater treatment system are concentrated into sludge. Thus, medical facility sludge has significant toxicity and infectivity, is a potential source of disease transmission, poses potential hazards to the ecological environment and human health, and must be properly disposed of.
According to the regulations of the discharge Standard of Water pollutants for medical institutions (GB 18466-. However, most of the sludge produced by the small and medium-sized medical institutions in China is not effectively and normatively treated and disposed for a long time. On the one hand, the relevant collection, transportation, storage and disposal units lack the operating qualification for hazardous wastes, and the relevant pollution prevention measures may not meet the standard specifications; on the other hand, the medical institution sludge with high water content has strong fluidity, and toxic and infectious pollutants are easy to diffuse and migrate in the processes of collection, transportation, storage and disposal. Therefore, the current treatment and disposal methods have obvious environmental risks and need to be improved and improved. In view of both the reduction of pollutant diffusion and migration and the reduction of outsourcing disposal costs, the sludge of medical institutions is subjected to on-site standard disinfection and dehydration pretreatment for harmlessness and minimization. However, most medical institutions generate a small amount of sludge every year, the construction of special sludge dewatering and storage facilities leads to the problem of low facility utilization rate, unnecessary maintenance cost of idle equipment is generated, the operation cost of the medical institutions is increased, special operation and management personnel are required to be equipped, the management cost of the medical institutions is further increased, and the professional level of the operation personnel hardly meets the standard requirement of hazardous waste environment management.
Therefore, under the new background that China vigorously advances the construction of 'waste-free cities' and 'waste-free societies', a new medical institution sludge standardization and intensification pretreatment mode is constructed according to the environmental management requirements of hazardous wastes and the concepts of intensive construction and shared pollution control, and corresponding devices and equipment are created and developed, so that the method not only can provide necessary technical support for eliminating the potential risks of the medical institution sludge environment and reducing the supervision pressure of related departments, but also can advance ecological civilization construction in China, promote high-quality development, realize the inevitable requirements of comprehensive resource conservation, and has outstanding practical significance.
Disclosure of Invention
In order to solve the technical problems in the background art, the utility model aims to provide a movable vehicle-mounted depth reduction device which meets the requirements of environmental protection standards, is flexible in construction operation, low in cost and stable in effect and is suitable for sewage treatment sludge of medical institutions and an operation method thereof. The device enters each medical institution through a flowing operation and shared pollution control mode, sludge with the water content of more than 90% in the sludge collection tank is sucked, disinfected and deeply dehydrated to form solidified mud cakes with the water content of less than 60%. All operation processes are completed in a closed space, and waste gas is collected and treated in a centralized manner, so that the environmental risk caused by migration and diffusion of liquid and gas phases of pollutants is effectively prevented while the in-situ depth reduction of sludge is realized.
The purpose of the utility model is realized as follows: the system comprises a hydrocyclone, a sterilizing tank, a bleaching powder bin, an 84 sterilizing liquid tank, an ultrasonic oscillation tank, a conditioning tank, a PAC dosing tank, a PAM dosing tank, a diaphragm plate and frame filter press, a filtrate buffer tank, a mud discharge hopper, a screw conveyor, a hydraulic station, a squeezing water tank, an air compressor, a PLC control cabinet and a vehicle-mounted generator, which are arranged in a vehicle-mounted container; wherein
The hydrocyclone is arranged at the top of the disinfection tank, and the underflow outlet of the hydrocyclone is connected with the feed inlet of the disinfection tank; the discharge ports of the bleaching powder bin and the 84 disinfection liquid tank are both connected with the dosing port of the disinfection tank; the discharge hole of the disinfection tank is connected with the feed inlet of the ultrasonic oscillation tank; the discharge hole of the ultrasonic oscillation tank is connected with the feed inlet of the tempering tank; the discharge ports of the PAC dosing tank and the PAM dosing tank are both connected with the dosing port of the tempering tank; the discharge hole of the tempering tank is connected with the feed inlet of the diaphragm plate-and-frame filter press; the two sides below the plate frame of the diaphragm plate frame filter press are provided with the filtrate buffer tank; a mud discharging hopper is arranged right below the plate frame of the diaphragm type plate frame filter press; a screw conveyor is arranged at the bottom of the mud discharging hopper; the feed inlet of the hydrocyclone, the overflow outlet and the liquid outlet of the filtrate buffer tank are all connected with a sludge collection tank in the medical institution through pipelines which transversely penetrate through the side wall of the container; the screw conveyer crosses the side wall of the container, and the discharge port of the screw conveyer is positioned outside the container;
the device also comprises a waste gas purifier, an active carbon adsorption tank and a draught fan which are connected in sequence and are all arranged on the top of the container; the air inlet of the waste gas purifier is communicated with the inner space of the container.
The operation method of the utility model comprises the following steps: firstly, the whole set of device is moved to a medical institution yard by using the maneuverability of a transport vehicle, a feed inlet of a hydrocyclone, an overflow outlet and a liquid outlet of a filtrate buffer tank are connected with a sludge collection tank in the medical institution yard through pipelines which transversely penetrate through the side wall of a container, and a discharge outlet of a screw conveyor is connected with a feed inlet of a sealed space bag; then pumping the original sludge with the water content of more than 90 percent in the sludge collection pool into a hydrocyclone for solid-liquid separation, wherein overflow with low solid content rate flows back to the sludge collection pool from an overflow outlet through a pipeline crossing the side wall of the container, and underflow with high solid content rate enters a disinfection tank from an underflow outlet, thereby completing continuous dynamic concentration of the sludge, reducing the treatment capacity of subsequent disinfection and deep dehydration links and improving the treatment efficiency; adding a disinfectant into the disinfection tank according to a preset proportion by the bleaching powder bin and the 84 disinfectant tank, and fully contacting and mixing the disinfectant with the concentrated sludge under the stirring action of the disinfection tank to finish the disinfection process; the disinfected sludge enters the ultrasonic oscillation tank from the discharge port of the disinfection tank, under the action of low-intensity short-time ultrasonic waves, the combined water quantity of the sludge is reduced, the dewatering performance is improved, and the dosage of the chemicals required in the subsequent coagulation/flocculation link is greatly saved; the sludge after ultrasonic treatment enters a conditioning tank from a discharge port of an ultrasonic oscillation tank, a PAC dosing tank and a PAM dosing tank simultaneously add a coagulation/flocculant into the conditioning tank according to a preset proportion, and the coagulation/flocculant is fully contacted and mixed with the sludge under the stirring action of the conditioning tank to finish the conditioning process; the sludge after the conditioning enters a diaphragm plate-and-frame filter press from a discharge hole of a conditioning tank, and under the action of twice squeezing, the water content of the sludge is reduced to below 60 percent, and a solidified sludge cake is formed; filtrate generated by the diaphragm plate-and-frame filter press flows into a filtrate buffer tank, and flows back to the sludge collection tank from a filtrate outlet of the filtrate buffer tank through a pipeline which transversely penetrates through the side wall of the container; the solidified mud cake produced by the diaphragm plate-and-frame filter press falls into a mud discharging hopper, is sent out of the container by a screw conveyor positioned at the bottom of the mud discharging hopper, enters a sealed space bag, is bagged, sealed and then is transported outside for disposal; waste gas generated in the container flows through a waste gas purifier, an activated carbon adsorption tank and a draught fan in sequence under the action of negative pressure, and is discharged after advanced treatment; the hydraulic station, the squeezing water tank and the air compressor respectively provide mechanical power, secondary squeezing high-pressure water and back blowing air for the diaphragm plate-and-frame filter press; the PLC control cabinet and the vehicle-mounted generator respectively complete automatic control and power supply of the whole device in the working process.
Compared with the prior art, the utility model has the following beneficial effects:
(1) through the deep dehydration treatment of twice squeezing, the water content of the sludge can be reduced to be below 60 percent, so that the in-situ deep reduction target of the sludge is realized, and the sludge outsourcing disposal cost of a medical institution is greatly reduced.
(2) The hydrocyclone is integrated in the process flow, so that the continuous dynamic concentration of the sludge is realized, and the integral treatment capacity and efficiency of the device are greatly improved.
(3) The ultrasonic oscillation tank is integrated in the process flow, the dehydration performance of the sludge is obviously improved by utilizing the cavitation effect, and the use amount of the coagulation/flocculant is greatly saved.
(4) The whole operation process realizes a totally-enclosed effect, pathogenic microorganisms in solid, liquid and gas phases can be deeply disinfected and purified at the same time, the generated low-water-content solidified mud cake obviously weakens the diffusion and migration capacity of pollutants, and the secondary pollution risk is comprehensively eliminated.
(5) The device has high integration level and convenient construction, simultaneously has high maneuverability and mobile operation capability, and can realize the intensive construction and the standardized sharing co-treatment of the whole process of sludge collection, storage, transportation and disposal of large and scattered small and medium-sized medical institutions.
Drawings
FIG. 1 is a process flow diagram of the present invention.
FIG. 2 is a schematic diagram of the present invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a cross-sectional view taken along line a-a of fig. 3.
In fig. 2-4, 1-transport vehicle, 2-container, 3-hydrocyclone, 4-disinfection tank, 5-bleaching powder bin, 6-84 disinfection liquid tank, 7-ultrasonic oscillation tank, 8-tempering tank, 9-PAC dosing tank, 10-PAM dosing tank, 11-diaphragm plate and frame filter press, 12-filtrate buffer tank, 13-mud discharging hopper, 14-screw conveyor, 15-hydraulic station, 16-squeezing water tank, 17-air compressor, 18-PLC control cabinet, 19-vehicle generator, 20-waste gas purifier, 21-activated carbon adsorption tank, 22-induced draft fan.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
As shown in fig. 2 to 4, the vehicle-mounted medical institution sludge treatment device of the present invention comprises a transport vehicle 1, a container 2, a hydrocyclone 3, a disinfection tank 4, a bleaching powder bin 5, a 84 disinfection liquid tank 6, an ultrasonic oscillation tank 7, a conditioning tank 8, a PAC dosing tank 9, a PAM dosing tank 10, a diaphragm type plate and frame filter press 11, a filtrate buffer tank 12, a sludge discharge hopper 13, a screw conveyor 14, a hydraulic station 15, a squeezing water tank 16, an air compressor 17, a PLC control cabinet 18, a vehicle-mounted generator 19, a waste gas purifier 20, an activated carbon adsorption tank 21, and an induced draft fan 22.
The hydrocyclone 3 is arranged at the top of the disinfection tank 4, and the underflow outlet of the hydrocyclone is connected with the feed inlet of the disinfection tank 4; the discharge ports of the bleaching powder bin 5 and the 84 disinfection liquid tank 6 are both connected with the medicine adding port of the disinfection tank 4; the discharge hole of the disinfection tank 4 is connected with the feed inlet of the ultrasonic oscillation tank 7; the discharge hole of the ultrasonic oscillation tank 7 is connected with the feed inlet of the tempering tank 8; the discharge ports of the PAC dosing tank 9 and the PAM dosing tank 10 are both connected with the dosing port of the tempering tank 8; the discharge hole of the tempering tank 8 is connected with the feed inlet of the diaphragm plate-and-frame filter press 11; filtrate buffer tanks 12 are arranged at two sides below the plate frame of the diaphragm type plate frame filter press 11; a mud discharging hopper 13 is arranged right below the plate frame of the diaphragm type plate frame filter press 11; the bottom of the mud discharging hopper 13 is provided with a screw conveyor 14; all the devices, the hydraulic station 15, the squeezing water tank 16, the air compressor 17, the PLC control cabinet 18 and the vehicle-mounted generator 19 are integrally installed in the container 2; the feed inlet of the hydrocyclone 3, the overflow outlet and the liquid outlet of the filtrate buffer tank 12 are all connected with a sludge collection tank in a medical institution yard through pipelines which transversely penetrate through the side wall of the container 2; the screw conveyor 14 crosses the side wall of the container 2, and the discharge hole of the screw conveyor is positioned outside the container 2 and connected with the feed hole of the sealed space bag; the waste gas purifier 20, the activated carbon adsorption tank 21 and the induced draft fan 22 are all arranged at the top of the container 2 and are connected in sequence; the air inlet of the waste gas purifier 20 is communicated with the inner space of the container 2; the container 2 is mounted integrally on the transport vehicle 1.
The container 2 adopts a totally-enclosed structure and is provided with an access door.
The sterilizing tank 4 and the tempering tank 8 have the functions of stirring and heating at the same time, and can independently control the opening and closing of the two functions.
The bleaching powder bin 5 regulates and controls the conveying of materials in a vertical spiral mode.
The bleaching powder bin 5, the disinfectant tank 6 84, the PAC dosing tank 9 and the PAM dosing tank 10 have metering functions.
The vehicle-mounted generator 19 adopts a diesel engine or a gasoline engine.
The exhaust gas purifier 20 is a low-temperature plasma purifier or a UV photo-oxygen catalytic purifier.
The concrete implementation process of the device for carrying out in-situ disinfection and depth reduction on the sludge of the medical institution is as follows: firstly, the whole set of device is moved to a medical institution yard by using the maneuverability of a transport vehicle 1, a feed inlet of a hydrocyclone 3, an overflow outlet and a liquid outlet of a filtrate buffer tank 12 are all connected with a sludge collecting tank in the medical institution yard through pipelines which transversely penetrate through the side wall of a container 2, and a discharge outlet of a screw conveyor 14 is connected with a feed inlet of a sealed space bag; then pumping the original sludge with the water content of more than 90 percent in the sludge collection pool into a hydrocyclone 3 for solid-liquid separation, wherein overflow with low solid content rate flows back to the sludge collection pool from an overflow outlet through a pipeline crossing the side wall of the container 2, and underflow with high solid content rate enters a disinfection tank 4 from an underflow outlet, thereby completing continuous dynamic concentration of the sludge, reducing the treatment capacity of subsequent disinfection and deep dehydration links and improving the treatment efficiency; adding a disinfectant into the disinfection tank 4 according to a preset proportion by the bleaching powder bin 5 and the 84 disinfectant tank 6, and fully contacting and mixing the disinfectant with the concentrated sludge under the stirring action of the disinfection tank 4 to finish the disinfection process; the disinfected sludge enters the ultrasonic oscillation tank 7 from the discharge hole of the disinfection tank 4, under the action of low-intensity short-time ultrasonic waves, the combined water quantity of the sludge is reduced, the dewatering performance is improved, and the dosage of the chemicals required in the subsequent coagulation/flocculation link is greatly saved; the sludge after ultrasonic treatment enters a tempering tank 8 from a discharge hole of an ultrasonic oscillation tank 7, meanwhile, a PAC dosing tank 9 and a PAM dosing tank 10 add a coagulation/flocculant into the tempering tank 8 according to a preset proportion, and the coagulation/flocculant is fully contacted and mixed with the sludge under the stirring action of the tempering tank 8 to finish the tempering process; the sludge after the conditioning enters a diaphragm plate and frame filter press 11 from a discharge hole of a conditioning tank 8, and under the action of twice squeezing, the water content of the sludge is reduced to below 60 percent, and a solidified sludge cake is formed; filtrate generated by the diaphragm plate-and-frame filter press 11 flows into a filtrate buffer tank 12, and flows back to the sludge collection tank from a liquid outlet of the filtrate buffer tank 12 through a pipeline which transversely penetrates through the side wall of the container 2; the solidified mud cake produced by the diaphragm plate-and-frame filter press 11 falls into a mud discharging hopper 13, is sent out of the container 2 by a screw conveyor 14 positioned at the bottom of the mud discharging hopper 13, enters a sealed space bag, is bagged, sealed and transported outside for disposal; waste gas generated in the container 2 flows through the waste gas purifier 20, the activated carbon adsorption tank 21 and the induced draft fan 22 in sequence under the action of negative pressure, and is discharged after advanced treatment; the hydraulic station 15, the squeezing water tank 16 and the air compressor 17 respectively provide mechanical power, secondary squeezing high-pressure water and back blowing air for the diaphragm plate-and-frame filter press 11; the PLC control cabinet 18 and the vehicle-mounted generator 19 respectively complete automatic control and power supply of the whole device working process.
Example 1
And (3) carrying out in-situ disinfection and deep reduction treatment on the sludge generated by a certain medical institution.
According to the principle method of the utility model, the treatment process comprises the following steps:
the method comprises the following steps: the device enters the field and is connected with an external interface. Firstly, the whole device is moved to a medical institution by using the maneuverability of a transport vehicle 1, a feed inlet of a hydrocyclone 3, an overflow outlet and a liquid outlet of a filtrate buffer tank 12 are all connected with a sludge collecting tank in the medical institution through pipelines which transversely penetrate through the side wall of a container 2, and a discharge outlet of a screw conveyor 14 is connected with a feed inlet of a sealed space bag.
Step two: and (4) carrying out cyclone solid-liquid separation. Pumping original sludge with the water content of 96 percent into a hydrocyclone 3 by using a sludge pump in a sludge collecting tank for solid-liquid separation; the overflow with the solid content of about 2.4 percent flows back to the sludge collecting tank through the pipeline which traverses the side wall of the container 2 from the overflow outlet, and the underflow with the solid content of about 13.0 percent enters the sterilizing tank 4 from the underflow outlet, thus completing the continuous dynamic concentration of the sludge.
Step three: and (5) concentrated sludge disinfection. Bleaching powder bin 5 and 84 disinfection liquid tank 6 add bleaching powder and 84 disinfection liquid into disinfection tank 4 according to the proportion of 6.2% (mass fraction) and 400 mg/L (calculated according to available chlorine) respectively, start the stirring function of disinfection tank 4, fully stir, mix for 25 min, finish the disinfection process.
Step four: and (5) ultrasonic oscillation treatment. The disinfected sludge enters the ultrasonic oscillation tank 7 from the discharge hole of the disinfection tank 4, the combined water amount of the sludge is reduced under the conditions of 90W/L sound energy density and 30 s oscillation time, the dehydration performance is improved, and the dosage of the medicament required in the subsequent coagulation/flocculation link is greatly saved.
Step five: and (4) coagulation/flocculation conditioning. The sludge after ultrasonic treatment enters a tempering tank 8 from a discharge hole of an ultrasonic oscillation tank 7, meanwhile, a PAC dosing tank 9 and a PAM dosing tank 10 respectively add PAC and PAM into the tempering tank 8 according to the proportion of 1.1 g/L and 10 mg/L, the stirring function of the tempering tank 8 is started, and the sludge is fully stirred and mixed for 8 min to complete the tempering process;
step six: deep dehydration. And (3) feeding the sludge after the hardening and tempering into a diaphragm plate and frame filter press 11 from a discharge hole of a hardening and tempering tank 8, and reducing the water content of the sludge to 52% under the action of twice pressing to form a solidified sludge cake.
Step seven: the filtrate flows back, and the mud cake is sealed. Filtrate generated by the diaphragm plate-and-frame filter press 11 flows into a filtrate buffer tank 12, and flows back to the sludge collection tank from a liquid outlet of the filtrate buffer tank 12 through a pipeline which transversely penetrates through the side wall of the container 2; the solidified mud cake produced by the diaphragm plate-and-frame filter press 11 falls into a mud discharging hopper 13, is sent out of the container 2 by a screw conveyor 14 positioned at the bottom of the mud discharging hopper 13, enters a sealed space bag, and is transported outside after being bagged and sealed.
Step eight: and (4) treating waste gas. In the whole operation process, the waste gas generated in the container 2 is 1.8 m under the action of negative pressure3Flow rate of/h flowing through waste gas purifier in sequenceThe gasifier 20, the activated carbon adsorption tank 21 and the induced draft fan 22 are subjected to advanced treatment and then discharged.
Through the treatment process, the water content of the first sludge in the medical institution is reduced from 96% to 52%, the quality is reduced to 1/12, the in-situ depth reduction target of the sludge is realized, the sludge outsourcing treatment cost of the medical institution is greatly reduced, pathogenic microorganisms in solid phase, liquid phase and gas phase are deeply disinfected and purified, and the secondary pollution risk in the operation process is comprehensively eliminated.
Example 2
And carrying out in-situ disinfection and deep reduction treatment on the sludge II generated by a certain medical institution.
According to the principle method of the utility model, the treatment process comprises the following steps:
the method comprises the following steps: the device enters the field and is connected with an external interface. Firstly, the whole device is moved to a medical institution by using the maneuverability of a transport vehicle 1, a feed inlet of a hydrocyclone 3, an overflow outlet and a liquid outlet of a filtrate buffer tank 12 are all connected with a sludge collecting tank in the medical institution through pipelines which transversely penetrate through the side wall of a container 2, and a discharge outlet of a screw conveyor 14 is connected with a feed inlet of a sealed space bag.
Step two: and (4) carrying out cyclone solid-liquid separation. Pumping the original sludge with the water content of 98 percent into a hydrocyclone 3 by using a sludge pump in a sludge collecting tank for solid-liquid separation; the overflow with the solid content of about 1.1 percent flows back to the sludge collecting tank through the pipeline which traverses the side wall of the container 2 from the overflow outlet, and the underflow with the solid content of about 7.1 percent enters the sterilizing tank 4 from the underflow outlet, thus completing the continuous dynamic concentration of the sludge.
Step three: and (5) concentrated sludge disinfection. Bleaching powder bin 5 and 84 disinfection liquid tank 6 add bleaching powder and 84 disinfection liquid into disinfection tank 4 according to the proportion of 6.1% (mass fraction) and 270 mg/L (calculated by available chlorine) respectively, start the stirring function of disinfection tank 4, fully stir, mix for 20 min, finish the disinfection process.
Step four: and (5) ultrasonic oscillation treatment. The disinfected sludge enters the ultrasonic oscillation tank 7 from the discharge hole of the disinfection tank 4, the combined water amount of the sludge is reduced under the conditions of 80W/L sound energy density and 30 s oscillation time, the dehydration performance is improved, and the dosage of the medicament required in the subsequent coagulation/flocculation link is greatly saved.
Step five: and (4) coagulation/flocculation conditioning. The sludge after ultrasonic treatment enters a tempering tank 8 from a discharge hole of an ultrasonic oscillation tank 7, meanwhile, a PAC dosing tank 9 and a PAM dosing tank 10 respectively add PAC and PAM into the tempering tank 8 in a proportion of 0.6 g/L and 7 mg/L, the stirring function of the tempering tank 8 is started, and the sludge is fully stirred and mixed for 7 min to complete the tempering process;
step six: deep dehydration. And (3) feeding the sludge after the conditioning into a diaphragm plate and frame filter press 11 from a discharge port of a conditioning tank 8, and reducing the water content of the sludge to 54% under the action of twice pressing to form a solidified sludge cake.
Step seven: the filtrate flows back, and the mud cake is sealed. Filtrate generated by the diaphragm plate-and-frame filter press 11 flows into a filtrate buffer tank 12, and flows back to the sludge collection tank from a liquid outlet of the filtrate buffer tank 12 through a pipeline which transversely penetrates through the side wall of the container 2; the solidified mud cake produced by the diaphragm plate-and-frame filter press 11 falls into a mud discharging hopper 13, is sent out of the container 2 by a screw conveyor 14 positioned at the bottom of the mud discharging hopper 13, enters a sealed space bag, and is transported outside after being bagged and sealed.
Step eight: and (4) treating waste gas. In the whole operation process, the waste gas generated in the container 2 is 1.5 m under the action of negative pressure3The flow of the/h flows through the waste gas purifier 20, the activated carbon adsorption tank 21 and the induced draft fan 22 in sequence, and is discharged after advanced treatment.
Through the treatment process, the water content of the second sludge in the medical institution is reduced from 98% to 54%, the quality of the second sludge is reduced to 1/23, the in-situ depth reduction target of the second sludge is realized, the sludge outsourcing treatment cost of the medical institution is greatly reduced, pathogenic microorganisms in solid phase, liquid phase and gas phase are deeply disinfected and purified, and the secondary pollution risk in the operation process is comprehensively eliminated.
The embodiments described above are intended to enable those skilled in the art to fully understand and effectively use the utility model. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-mentioned embodiments, and modifications made by those skilled in the art according to the teachings of the present invention without departing from the scope of the present invention should be within the protection scope of the present invention.
Claims (5)
1. Vehicular medical institution sludge treatment equipment, its characterized in that: the system comprises a hydrocyclone, a sterilizing tank, a bleaching powder bin, an 84 sterilizing liquid tank, an ultrasonic oscillation tank, a conditioning tank, a PAC dosing tank, a PAM dosing tank, a diaphragm plate and frame filter press, a filtrate buffer tank, a mud discharge hopper, a screw conveyor, a hydraulic station, a squeezing water tank, an air compressor, a PLC control cabinet and a vehicle-mounted generator, which are arranged in a vehicle-mounted container; wherein
The hydrocyclone is arranged at the top of the disinfection tank, and the underflow outlet of the hydrocyclone is connected with the feed inlet of the disinfection tank; the discharge ports of the bleaching powder bin and the 84 disinfection liquid tank are both connected with the dosing port of the disinfection tank; the discharge hole of the disinfection tank is connected with the feed inlet of the ultrasonic oscillation tank; the discharge hole of the ultrasonic oscillation tank is connected with the feed inlet of the tempering tank; the discharge ports of the PAC dosing tank and the PAM dosing tank are both connected with the dosing port of the tempering tank; the discharge hole of the tempering tank is connected with the feed inlet of the diaphragm plate-and-frame filter press; the two sides below the plate frame of the diaphragm plate frame filter press are provided with the filtrate buffer tank; a mud discharging hopper is arranged right below the plate frame of the diaphragm type plate frame filter press; a screw conveyor is arranged at the bottom of the mud discharging hopper; the feed inlet of the hydrocyclone, the overflow outlet and the liquid outlet of the filtrate buffer tank are all connected with a sludge collection tank in the medical institution through pipelines which transversely penetrate through the side wall of the container; the screw conveyer crosses the side wall of the container, and the discharge port of the screw conveyer is positioned outside the container;
the device also comprises a waste gas purifier, an active carbon adsorption tank and a draught fan which are connected in sequence and are all arranged on the top of the container; the air inlet of the waste gas purifier is communicated with the inner space of the container.
2. The vehicular medical institution sludge treatment apparatus according to claim 1, wherein the container is of a totally enclosed structure with an access door.
3. The vehicular medical institution sludge treatment device according to claim 1, wherein the bleaching powder bin regulates and controls the material transportation in a vertical spiral manner.
4. The vehicular medical institution sludge treatment apparatus according to claim 1, wherein the vehicular generator is a diesel generator or a gasoline generator.
5. The vehicular medical institution sludge treatment apparatus as claimed in claim 1, wherein the exhaust gas purifier is a low temperature plasma purifier or a UV photo-oxygen catalytic purifier.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113480121A (en) * | 2021-07-26 | 2021-10-08 | 沈阳环境科学研究院 | Vehicle-mounted medical institution sludge treatment device and operation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113480121A (en) * | 2021-07-26 | 2021-10-08 | 沈阳环境科学研究院 | Vehicle-mounted medical institution sludge treatment device and operation method thereof |
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