CN202973113U - Medial waste thermal decomposition furnace - Google Patents
Medial waste thermal decomposition furnace Download PDFInfo
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- CN202973113U CN202973113U CN 201220657206 CN201220657206U CN202973113U CN 202973113 U CN202973113 U CN 202973113U CN 201220657206 CN201220657206 CN 201220657206 CN 201220657206 U CN201220657206 U CN 201220657206U CN 202973113 U CN202973113 U CN 202973113U
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Abstract
The utility model discloses a medical waste thermal decomposition furnace. The medical waste thermal decomposition furnace mainly consists of a thermal decomposition chamber, a combustion chamber, a thermal exchanging chamber, an air preheating tower, a pool, a bag-type dust remover, a desalination tower, a blower, a chimney, a neutralizing tower, an absorbing tower and a control system, wherein the control system comprises a power supply, a control center, a temperature detection circuit, a pressure detection circuit, a weight detection circuit, an A/D (Analog to Digital) converting module, a D/A (digital to analog) converting module and a human-machine interface; the thermal decomposition chamber is sleeved in the combustion chamber; a decomposition feeding port, a decomposition air inlet and a decomposition air outlet are arranged in the thermal decomposition chamber; the decomposition feeding port is used for placing medical waste; the decomposition air outlet is communicated with the combustion chamber; a combustion air inlet and a combustion air outlet are formed in the combustion chamber; the combustion air outlet is connected with the input port of the thermal exchanger; and the thermal exchanger is enclosed by the annular air preheating tower. The thermal decomposition furnace provided by the utility model has the characteristics of high automation degree, simple operation, strong processing capability, less residue, energy saving, environment protection, high reliability, can be used for processing in place and the like.
Description
Technical field
The utility model relates to the Biohazard Waste process field, and particularly a kind of Biohazard Waste thermal decomposition furnace is used for thermal decomposition process is carried out in Biohazard Waste, makes the requirement that realizes innoxious, resource and minimizing through Biohazard Waste after thermal decomposition furnace.
Background technology
Biohazard Waste is commonly called as medical waste, refer to the solid-state and liquid waste that produces mainly comprise infectious waste matter, pathology refuse, sharp weapon refuse, pharmacy refuse, gene contamination thing, chemical wastes, radwaste etc. in to humans and animals diagnosis, chemical examination, disposal, prevention from suffering from the diseases and curative activity and research process.It has extremely strong infectiousness, biological virus and corrosivity, and discharging poor management or deal with improperly can cause to the pollution of water body, atmosphere, soil and to the direct harm of human body; Therefore, processing medical Litter has very important significance.At present also only have in the world the company of Switzerland, Japan and Korea S to develop this product for small-sized thermal decomposition furnace, production scale is little, and its product also only can satisfy the needs of its domestic market and some developed countries of west, domestic this series products producer of there is no.The utility model is compared the innovative point that possesses skills with external product high, the characteristics such as low price.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of Biohazard Waste thermal decomposition furnace, and it has, and automaticity is high, simple to operate, disposal ability is strong, residue is few, processing on the spot, energy-conserving and environment-protective and reliability high.
For addressing the above problem, the utility model is realized by following scheme:
A kind of Biohazard Waste thermal decomposition furnace is mainly by thermal decomposition chamber, combustion chamber, heat exchanger, air preheat tower, pond, sack cleaner, desalination tower, air blast, chimney, neutralizing tower, absorption tower, and composition of the control system.Wherein:
Thermal decomposition chamber is enclosed within the combustion chamber; Thermal decomposition chamber is provided with the decomposition charging aperture, decomposes air inlet and decomposite the air port; Decomposing charging aperture drops into for Biohazard Waste; Decompositing the air port is connected with the combustion chamber; The combustion chamber is provided with combustion air intake and burning air outlet; The burning air outlet is connected with the heat exchanger input port; Heat exchanger is surrounded by the air preheat tower of annular; The air preheat tower comprises pre-heating intaking mouth and preheating exhaust outlet; The pre-heating intaking mouth communicates with atmosphere, and the preheating exhaust outlet is divided into two-way, and one the tunnel is connected with the decomposition air inlet of thermal decomposition chamber, and another road is connected with the combustion air intake of combustion chamber; The heat exchanger delivery outlet is divided into two-way, and one the tunnel is connected with neutralizing tower, and another road is connected with the sack cleaner input port; The neutralizing tower delivery outlet is connected with the input port, absorption tower; Neutralizing tower and absorption tower all are connected with the pond; The sack cleaner delivery outlet is connected with desalination tower input port, and desalination tower delivery outlet connects air blast, and air blast is connected with chimney.
Control system comprises power supply, control centre, temperature sensing circuit, air pressure testing circuit, weight detecting circuit, A/D modular converter, D/A modular converter and man-machine interface; Temperature sensing circuit and air pressure testing circuit all are arranged on the inside of thermal decomposition chamber, and the weight detecting circuit is arranged on the bottom of thermal decomposition chamber; Temperature sensing circuit, weight detecting circuit and air pressure testing circuit are connected the A/D modular converter and are connected with the input of control centre; The output of control centre through D/A modular converter and thermal decomposition chamber with heater, frequency converter, pre-heating intaking mouth on air blast on the intake valve established be connected with power supply; In addition, control centre also is connected with man-machine interface.
In such scheme, described heat exchanger is preferably shell and tube (claiming again shell-and-tube) heat exchanger.
Compared with prior art, the utlity model has following features:
1, first after the thermal decomposition chamber pyrolytic, the gas of generation flows into combustion chambers burn to discarded object, after passing through heat exchange again after burning, is divided into two-way; One the tunnel is to discharge behind waste water process neutralizing tower and absorption tower; Discharge from chimney after another road waste gas and dust process deduster, desalination tower, air blast; This not only can effectively decompose Biohazard Waste, and makes that waste gas and waste water all reach discharge standard after thermal decomposition;
2, thermal decomposition chamber is enclosed within the inside of combustion chamber, decomposes the imflammable gas that obtains in thermal decomposition chamber and burns in the combustion chamber and can provide heat to thermal decomposition chamber, thereby reach the effect of the recycling of energy, energy savings; In addition, heat exchanger is surrounded by the air preheat tower of annular, the heat that the waste gas of discharging from the combustion chamber and refuse carry will thermal decomposition chamber be sent into by heat exchange and the air of combustion chamber carry out preheating, realized the recycling of energy;
3, the temperature of thermal decomposition chamber is provided by electric heater, reduced the secondary pollution problem of using coal or fuel oil to bring, and mill cast technique having selected special flame-proof thermal insulation material and integral body aspect the body of heater making, good insulation and energy-saving effect are not only arranged, also prevented the excessive of hazardous gas and stink; Heat exchanger uses shell-and-tube (claiming again shell and tube) heat exchanger, increases to greatest extent turbulence effects, strengthens heat exchange efficiency, reaches chilling effect but, suppresses the synthetic of bioxin; What deduster used is sack cleaner, and it has the high temperature resistant sweep of gases of anti-high speed the, acid-alkali-corrosive-resisting and anti-hydrolytic performance, the advantages such as good flame resistance;
4, Biohazard Waste Disposal are processed and are realized omnidistance computer control, automatically start or stop operation; Temperature can keep under the control of computer that temperature is substantially constant, automatic sterilizing in stove; The size of frequency converter real-time adjusting blower speed under computer is controlled is controlled exhaust and energy-conservation purpose to reach; Computer can also pass through to measure garbage weight and the interior temperature of stove in stove, thus the direct control combustion time, the running efficiency of raising equipment;
5, according to the air pressure of thermal decomposition chamber, automatically regulate the rotating speed of the motor of air blast by fuzzy control method, to control its gas output, prevent from crossing because of air pressure the generation of huge explosion; According to the height of temperature in the combustion chamber, automatically regulate the heating power of heater by the mode of fuzzy control, rational energy savings; The utlity model has on the spot process, volume is little, low price, secondary pollution are little, process strong, the easy to operate and reliability high of Biohazard Waste ability.
6, this equipment is little, simple to operate and pollute littlely due to volume, can be placed on hospital or rural clinic uses on the spot, has reduced Biohazard Waste and has been transported to freight and the secondary pollution that bring in large-scale processing place.
Description of drawings
Fig. 1 is structure chart of the present utility model.
Fig. 2 is process chart of the present utility model.
Fig. 3 is control system circuit diagram of the present utility model.
The specific embodiment
Referring to Fig. 1, a kind of Biohazard Waste thermal decomposition furnace is mainly by thermal decomposition chamber (1), combustion chamber (2), heat exchanger (3), air preheat tower (4), pond (5), sack cleaner (6), desalination tower (7), air blast (8), chimney (9), neutralizing tower (10), absorption tower (11), and composition of the control system.Wherein thermal decomposition chamber (1) is enclosed within combustion chamber (2).Thermal decomposition chamber (1) is provided with decomposes charging aperture (12), decomposition air inlet (13) and decomposites air port (14).Decomposing charging aperture (12) drops into for Biohazard Waste.Decompositing air port (14) is connected with combustion chamber (2).Combustion chamber (2) is provided with combustion air intake (15) and burning air outlet (16).Burning air outlet (16) is connected with heat exchanger (3) input port.Heat exchanger (3) is surrounded by the air preheat tower (4) of annular.In the utility model preferred embodiment, described heat exchanger (3) adopts tubular heat exchanger.Air preheat tower (4) comprises pre-heating intaking mouth (17) and preheating exhaust outlet (18).Pre-heating intaking mouth (17) communicates with atmosphere, and preheating exhaust outlet (18) is divided into two-way, and one the tunnel is connected with the decomposition air inlet (13) of thermal decomposition chamber (1), and another road is connected with the combustion air intake (15) of combustion chamber (2).Heat exchanger (3) delivery outlet is divided into two-way, and one the tunnel is connected with neutralizing tower (10), and another road is connected with sack cleaner (6) input port.Neutralizing tower (10) delivery outlet is connected with input port, absorption tower (11).Neutralizing tower (10) is connected 11 with the absorption tower) all be connected with pond (5).Sack cleaner (6) delivery outlet is connected with desalination tower (7) input port, and desalination tower (7) delivery outlet connects air blast (8), and air blast (8) is connected with chimney (9).
Biohazard Waste outputs to combustion chamber (2) through thermal decomposition chamber (1) anaerobism or the rear gas that produces of anaerobic decay (guaranteeing that temperature is 600 ℃ of-850 ℃ of left and right), and gas is in the inner burning in combustion chamber (2) of enough oxygen.The burning air outlet of combustion chamber (2) is connected with heat exchanger (3) input port; Heat exchanger (3) delivery outlet is divided into two parts: a part is connected with sack cleaner (6), sack cleaner (6) delivery outlet is connected with desalination tower (7) input port, enter chimney (9) through air blast (8) after desalination, can up to standardly discharge can fully guarantee the waste gas after thermal decomposition; Another part connects neutralizing tower (10) and absorption tower (11), can guarantee fully that the waste water after thermal decomposition can qualified discharge.Referring to Fig. 2.
For realizing the automatic control to the Biohazard Waste thermal decomposition, control system of the present utility model comprises power supply, control centre, temperature sensing circuit, air pressure testing circuit, weight detecting circuit, A/D modular converter, D/A modular converter and man-machine interface.Temperature sensing circuit and air pressure testing circuit all are arranged on the inside of thermal decomposition chamber (1), and the weight detecting circuit is arranged on the bottom of thermal decomposition chamber (1).Temperature sensing circuit, weight detecting circuit and air pressure testing circuit are connected the A/D modular converter and are connected with the input of control centre.The output of control centre through D/A modular converter and thermal decomposition chamber (1) with heater, frequency converter, pre-heating intaking mouth (17) on air blast (8) on the intake valve established be connected with power supply.In addition, control centre also is connected with man-machine interface.Referring to Fig. 3.
Claims (2)
1. Biohazard Waste thermal decomposition furnace is characterized in that: it is mainly by thermal decomposition chamber (1), combustion chamber (2), heat exchanger (3), air preheat tower (4), pond (5), sack cleaner (6), desalination tower (7), air blast (8), chimney (9), neutralizing tower (10), absorption tower (11), and composition of the control system;
Thermal decomposition chamber (1) is enclosed within combustion chamber (2); Thermal decomposition chamber (1) is provided with decomposes charging aperture (12), decomposition air inlet (13) and decomposites air port (14); Decomposing charging aperture (12) drops into for Biohazard Waste; Decompositing air port (14) is connected with combustion chamber (2); Combustion chamber (2) is provided with combustion air intake (15) and burning air outlet (16); Burning air outlet (16) is connected with heat exchanger (3) input port; Heat exchanger (3) is surrounded by the air preheat tower (4) of annular; Air preheat tower (4) comprises pre-heating intaking mouth (17) and preheating exhaust outlet (18); Pre-heating intaking mouth (17) communicates with atmosphere, and preheating exhaust outlet (18) is divided into two-way, and one the tunnel is connected with the decomposition air inlet (13) of thermal decomposition chamber (1), and another road is connected with the combustion air intake (15) of combustion chamber (2); Heat exchanger (3) delivery outlet is divided into two-way, and one the tunnel is connected with neutralizing tower (10), and another road is connected with sack cleaner (6) input port; Neutralizing tower (10) delivery outlet is connected with input port, absorption tower (11); Neutralizing tower (10) is connected 11 with the absorption tower) all be connected with pond (5); Sack cleaner (6) delivery outlet is connected with desalination tower (7) input port, and desalination tower (7) delivery outlet connects air blast (8), and air blast (8) is connected with chimney (9);
Control system comprises power supply, control centre, temperature sensing circuit, air pressure testing circuit, weight detecting circuit, A/D modular converter, D/A modular converter and man-machine interface; Temperature sensing circuit and air pressure testing circuit all are arranged on the inside of thermal decomposition chamber (1), and the weight detecting circuit is arranged on the bottom of thermal decomposition chamber (1); Temperature sensing circuit, weight detecting circuit and air pressure testing circuit are connected the A/D modular converter and are connected with the input of control centre; The output of control centre through D/A modular converter and thermal decomposition chamber (1) with heater, frequency converter, pre-heating intaking mouth (17) on air blast (8) on the intake valve established be connected with power supply; In addition, control centre also is connected with man-machine interface.
2. Biohazard Waste thermal decomposition furnace according to claim 1, it is characterized in that: heat exchanger (3) is tubular heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220657206 CN202973113U (en) | 2012-11-30 | 2012-11-30 | Medial waste thermal decomposition furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220657206 CN202973113U (en) | 2012-11-30 | 2012-11-30 | Medial waste thermal decomposition furnace |
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| Publication Number | Publication Date |
|---|---|
| CN202973113U true CN202973113U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220657206 Withdrawn - After Issue CN202973113U (en) | 2012-11-30 | 2012-11-30 | Medial waste thermal decomposition furnace |
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| CN (1) | CN202973113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966960A (en) * | 2012-11-30 | 2013-03-13 | 桂林电子科技大学 | Thermal decomposition furnace for medical waste and control method for thermal decomposition furnace |
-
2012
- 2012-11-30 CN CN 201220657206 patent/CN202973113U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966960A (en) * | 2012-11-30 | 2013-03-13 | 桂林电子科技大学 | Thermal decomposition furnace for medical waste and control method for thermal decomposition furnace |
| CN102966960B (en) * | 2012-11-30 | 2015-01-14 | 桂林电子科技大学 | Thermal decomposition furnace for medical waste and control method for thermal decomposition furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20150114 |
|
| RGAV | Abandon patent right to avoid regrant |