CN216203389U - Recycling device for hazardous waste incineration waste heat - Google Patents
Recycling device for hazardous waste incineration waste heat Download PDFInfo
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- CN216203389U CN216203389U CN202122474052.0U CN202122474052U CN216203389U CN 216203389 U CN216203389 U CN 216203389U CN 202122474052 U CN202122474052 U CN 202122474052U CN 216203389 U CN216203389 U CN 216203389U
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Abstract
The utility model relates to a recovery and utilization device for hazardous waste incineration treatment waste heat, which belongs to the technical field of waste heat recovery and utilization, and comprises a waste heat refrigerating system, a medical waste incineration system and medical cold equipment, wherein a steam condensate outlet of the medical waste incineration system is connected with the waste heat refrigerating system, a condensate outlet of the waste heat refrigerating system is connected with a condensate inlet of the medical waste incineration system, and the waste heat refrigerating system is used for transferring steam condensate after heat exchange and temperature reduction to the medical waste incineration system and preparing low-temperature coolant by utilizing temperature difference generated in the process of heat exchange and temperature reduction of the steam condensate for the medical cold equipment. The utility model uses the waste heat generated in the production as a driving mode to prepare the cold energy required by the temperature reduction in the commercial ice blocks and the medical waste temporary storage warehouse, and the purposes of low-grade waste heat utilization, production cost reduction and carbon emission reduction can be fully realized by using the system.
Description
Technical Field
The utility model belongs to the technical field of waste heat recycling, and particularly relates to a recycling device for waste heat generated in incineration treatment of hazardous wastes.
Background
At present, in the process of incineration treatment of hazardous wastes, heat generated by incineration of the wastes is converted into low-pressure steam by a waste heat boiler, the temperature and the pressure of the steam fluctuate along with the supply quantity of the wastes, so that heat supply to enterprises is difficult to realize stably, and at present, the steam is supplied to a boiler deaerator in a system through a steam distributing cylinder and one way to heat condensate; one path is supplied to the triple-effect evaporator, and most of the steam in the other path is sent to the steam condenser to be condensed into condensate liquid which is sent back to the deaerator.
In the whole process of recovering the condensate from the steam, the steam is difficult to use because the steam cannot be continuously and stably supplied, and the energy is wasted because the air cooler consumes electricity for condensation. Therefore, a device for recycling the waste heat generated in the incineration treatment of hazardous wastes is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide a recycling device for the incineration treatment waste heat of the hazardous waste, which has a simple structure and reasonable design.
The utility model realizes the purpose through the following technical scheme:
the utility model provides a recycle device of hazardous waste incineration disposal waste heat, includes waste heat refrigerating system, medical waste incineration system and medical treatment and uses cold equipment, the steam condensate exit linkage waste heat refrigerating system of medical waste incineration system, waste heat refrigerating system's condensate exit linkage medical waste incineration system's condensate import, waste heat refrigerating system is used for carrying to medical waste incineration system and utilizing behind the steam condensate heat transfer cooling the difference in temperature that the steam condensate heat transfer cooling in-process produced prepares low temperature secondary refrigerant and uses with the cold equipment of confession medical treatment.
As a further optimization scheme of the medical waste incineration system, the medical waste incineration system comprises a combustion chamber, a waste heat boiler, a steam-distributing cylinder, a three-effect heat exchanger and a deaerator, the combustion chamber is used for combusting medical waste to generate heat, a heat outlet of the combustion chamber is connected to the waste heat boiler, a steam outlet of the waste heat boiler is connected with the steam-distributing cylinder, a steam condensate outlet of the steam-distributing cylinder is respectively connected with the waste heat refrigeration system, the three-effect heat exchanger and the deaerator, and a condensate outlet of the waste heat refrigeration system is connected to the waste heat boiler through the deaerator.
As a further optimization scheme of the utility model, the cold utilization equipment comprises a medical waste temporary storage warehouse, an ice mold and a refrigeration house, wherein the medical waste temporary storage warehouse, the ice mold and the refrigeration house are connected in parallel to a secondary refrigerant inlet and outlet of the waste heat refrigeration system.
As a further optimization scheme of the utility model, the ice block outlet of the ice mold is connected with the ice block inlet of the refrigeration house through the conveying mechanism, and the garbage outlet of the medical garbage temporary storage is connected with the garbage inlet of the combustion chamber through the conveying mechanism.
As a further optimization scheme of the utility model, the waste heat refrigerating system comprises a generator, an absorber, a circulating pump, a condenser and an evaporator, the steam condensate inlet of the generator is connected with the steam condensate outlet of the steam-distributing cylinder, the steam condensate outlet of the generator is connected with the deaerator, the lean solution outlet of the generator is connected to the lean solution inlet of the absorber, the rich solution outlet of the absorber is connected with the rich solution inlet of the generator through a circulating pump, the gaseous refrigerant outlet of the generator is connected to the gaseous refrigerant inlet of the condenser, the liquid refrigerant outlet of the condenser is connected to the liquid refrigerant inlet of the evaporator, the gaseous refrigerant outlet of the evaporator is connected to the gaseous refrigerant inlet of the absorber, and the medical waste temporary storage warehouse, the ice mold and the refrigeration house are connected in parallel to the secondary refrigerant inlet and outlet of the evaporator.
As a further optimization scheme of the utility model, a buffer tank is arranged between the liquid refrigerant outlet of the condenser and the liquid refrigerant inlet of the evaporator, and the buffer tank is provided with a liquid level meter.
The utility model has the beneficial effects that: the utility model utilizes the heat generated by medical waste incineration to prepare the refrigerant at the temperature of-18 ℃, on one hand, the utility model can prepare ice blocks and generate economic value, on the other hand, the utility model can replace the traditional electric ice machine to provide cold energy for the medical waste refrigerator, thereby not only conforming to the recycling of energy, but also reducing the consumption of electric energy and reducing the carbon emission.
Drawings
FIG. 1 is a schematic view of the flow structure of a device for recycling waste heat from incineration of hazardous waste according to the present invention;
FIG. 2 is a flow chart of a waste heat refrigerating system in the device for recycling waste heat from incineration treatment of hazardous waste.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in fig. 1, the device for recycling waste heat from hazardous waste incineration treatment of the embodiment comprises a waste heat refrigerating system, a medical waste incineration system and a medical cold device, wherein a steam condensate outlet of the medical waste incineration system is connected with the waste heat refrigerating system, a condensate outlet of the waste heat refrigerating system is connected with a condensate inlet of the medical waste incineration system, and the waste heat refrigerating system is used for transferring the steam condensate to the medical waste incineration system after heat exchange and cooling and preparing a low-temperature coolant by using a temperature difference generated in the process of heat exchange and cooling of the steam condensate for the medical cold device.
Medical waste incineration system includes combustion chamber, exhaust-heat boiler, gas-distributing cylinder, triple effect heat exchanger, oxygen-eliminating device, and the combustion chamber is used for burning medical waste and produces the heat, and the heat exit linkage of combustion chamber is to exhaust-heat boiler, and exhaust-heat boiler's steam exit linkage gas-distributing cylinder, exhaust-heat refrigerating system, triple effect heat exchanger, oxygen-eliminating device are connected respectively in the steam condensate export of gas-distributing cylinder, and exhaust-heat refrigerating system's condensate export is connected to exhaust-heat boiler through the oxygen-eliminating device.
The cold utilization equipment comprises a medical waste temporary storage warehouse, an ice mold and a refrigeration house, wherein the medical waste temporary storage warehouse, the ice mold and the refrigeration house are connected in parallel to be connected with a secondary refrigerant inlet and a secondary refrigerant outlet of the waste heat refrigeration system, an ice block outlet of the ice mold is connected with an ice block inlet of the refrigeration house through a conveying mechanism, and a waste outlet of the medical waste temporary storage warehouse is connected with a waste inlet of the combustion chamber through the conveying mechanism.
As shown in fig. 2, the waste heat refrigerating system comprises a generator, an absorber, a circulating pump, a condenser and an evaporator, wherein a steam condensate inlet of the generator is connected with a steam condensate outlet of the gas-distributing cylinder, a steam condensate outlet of the generator is connected with the deaerator, a lean solution outlet of the generator is connected with a lean solution inlet of the absorber, a rich solution outlet of the absorber is connected with a rich solution inlet of the generator through the circulating pump, a gaseous refrigerant outlet of the generator is connected with a gaseous refrigerant inlet of the condenser, a liquid refrigerant outlet of the condenser is connected with a liquid refrigerant inlet of the evaporator, a gaseous refrigerant outlet of the evaporator is connected with a gaseous refrigerant inlet of the absorber, and a medical waste temporary storage, an ice mold and a cold storage are connected in parallel with a secondary refrigerant inlet and a secondary refrigerant outlet of the evaporator.
A buffer tank is arranged between the liquid refrigerant outlet of the condenser and the liquid refrigerant inlet of the evaporator, the buffer tank is provided with a liquid level meter, when certain liquid ammonia liquid level is established in the buffer tank, the liquid ammonia liquid level flows into the evaporator through a pressure reducing valve, and exchanges heat with secondary refrigerant to prepare low-temperature secondary refrigerant for cooling medical cold equipment.
A waste heat refrigerating system is matched with a medical waste incineration system and medical cold equipment, waste in a medical waste temporary storage warehouse is conveyed to a combustion chamber by a conveying mechanism to be combusted, heat generated by combustion enters a waste heat boiler to heat water to generate steam, the steam enters a branch cylinder to be divided, after the steam used by a deaerator and a three-way heat exchanger is met, the waste steam is heated and decomposed into poor solution and gaseous refrigerant before the heat is taken away by a steam condenser, the poor solution enters an absorber, the gaseous refrigerant enters a condenser to be condensed into liquid refrigerant, the liquid refrigerant enters a buffer tank to be stored to a certain degree and then enters an evaporator, the liquid refrigerant and the secondary refrigerant perform a heat exchange process to prepare low-temperature secondary refrigerant at-8 ℃, the liquid refrigerant forms gaseous refrigerant after heat exchange and enters the absorber, the gaseous refrigerant is mixed with lean solution in the absorber to form rich solution and reenters the generator to continue circulation, condensate at the outlet of a heat source in the generator returns to the waste heat boiler through the deaerator and is reused to burn to generate heat to heat and continue the next circulation.
Compared with the existing mode that an ice machine supplies cold to a cold storage by a dangerous waste incineration processing production line, the scheme can replace the ice machine, avoids electric energy consumed by the operation of the ice machine and has great economic value for enterprises.
The system successfully realizes waste heat utilization and conversion, and effectively improves the waste heat utilization efficiency of production.
The waste heat refrigeration system utilizes the-18 ℃ low-temperature refrigerant generated by waste heat to be conveyed to the medical waste temporary storage warehouse to exchange heat with air, and the air releases heat and reduces the temperature, so that the medical waste temporary storage warehouse can keep low temperature, and the medical waste is prevented from breeding bacteria.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. The utility model provides a recycle device of hazardous waste incineration disposal waste heat, its characterized in that, uses cold equipment including waste heat refrigerating system, medical waste incineration system and medical treatment, the steam condensate outlet connection waste heat refrigerating system of medical waste incineration system, the condensate import of waste heat refrigerating system's condensate outlet connection medical waste incineration system, waste heat refrigerating system is used for carrying to medical waste incineration system and utilizing behind the steam condensate heat transfer cooling the difference in temperature that the steam condensate heat transfer cooling in-process produced prepares low temperature secondary refrigerant and uses with the cold equipment of confession medical treatment.
2. The recycling device of hazardous waste incineration disposal waste heat according to claim 1, wherein the medical waste incineration system comprises a combustion chamber, a waste heat boiler, a steam-distributing cylinder, a three-way heat exchanger and a deaerator, the combustion chamber is used for combusting medical waste to generate heat, a heat outlet of the combustion chamber is connected to the waste heat boiler, a steam outlet of the waste heat boiler is connected to the steam-distributing cylinder, a steam condensate outlet of the steam-distributing cylinder is respectively connected to the waste heat refrigeration system, the three-way heat exchanger and the deaerator, and a condensate outlet of the waste heat refrigeration system is connected to the waste heat boiler through the deaerator.
3. The device for recycling the waste heat generated in the incineration treatment of the hazardous waste according to claim 2, wherein the cooling equipment comprises a medical waste temporary storage, an ice mold and a cold storage, and the medical waste temporary storage, the ice mold and the cold storage are connected in parallel to a coolant inlet and outlet of the waste heat cooling system.
4. The device for recycling the waste heat generated in the incineration treatment of the hazardous waste according to claim 3, wherein the ice outlet of the ice mold is connected with the ice inlet of the refrigeration house through a conveying mechanism, and the waste outlet of the medical waste temporary storage is connected with the waste inlet of the combustion chamber through a conveying mechanism.
5. The device for recycling waste heat generated in incineration treatment of hazardous waste according to claim 3, wherein the waste heat refrigeration system comprises a generator, an absorber, a circulating pump, a condenser and an evaporator, the steam condensate inlet of the generator is connected with the steam condensate outlet of the steam-splitting cylinder, the steam condensate outlet of the generator is connected with the deaerator, the lean solution outlet of the generator is connected with the lean solution inlet of the absorber, the rich solution outlet of the absorber is connected with the rich solution inlet of the generator through the circulating pump, the gaseous refrigerant outlet of the generator is connected with the gaseous refrigerant inlet of the condenser, the liquid refrigerant outlet of the condenser is connected with the liquid refrigerant inlet of the evaporator, the gaseous refrigerant outlet of the evaporator is connected with the gaseous refrigerant inlet of the absorber, the medical waste temporary storage reservoir and the deaerator are arranged in parallel, and the waste heat refrigeration system comprises a generator, an absorber, a circulating pump, a steam condensate inlet of the generator and a steam condensate outlet of the generator are connected with the deaerator, a lean solution outlet of the generator is connected with the lean solution inlet of the absorber, a rich solution outlet of the absorber is connected with the rich solution outlet of the generator, and a gaseous refrigerant of the generator is connected with the gaseous refrigerant of the evaporator, and a gaseous refrigerant of the generator is connected with the gaseous refrigerant of the generator, and the gaseous refrigerant of the medical waste temporary storage reservoir, and the waste storage reservoir is connected with the waste storage reservoir, and the waste heat recovery system is connected with the waste heat recovery device, The ice mold and the cold storage are connected in parallel to a secondary refrigerant inlet and a secondary refrigerant outlet of the evaporator.
6. The device for recycling the waste heat in the incineration treatment of the hazardous waste according to claim 5, wherein a buffer tank is arranged between the liquid refrigerant outlet of the condenser and the liquid refrigerant inlet of the evaporator, and the buffer tank is provided with a liquid level meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474052.0U CN216203389U (en) | 2021-10-14 | 2021-10-14 | Recycling device for hazardous waste incineration waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474052.0U CN216203389U (en) | 2021-10-14 | 2021-10-14 | Recycling device for hazardous waste incineration waste heat |
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| CN216203389U true CN216203389U (en) | 2022-04-05 |
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| CN202122474052.0U Active CN216203389U (en) | 2021-10-14 | 2021-10-14 | Recycling device for hazardous waste incineration waste heat |
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2021
- 2021-10-14 CN CN202122474052.0U patent/CN216203389U/en active Active
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