CN218115266U - Heat pump-solar energy coupling system for treating industrial sludge - Google Patents
Heat pump-solar energy coupling system for treating industrial sludge Download PDFInfo
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Abstract
The utility model discloses a heat pump-solar energy coupled system for treating industrial sludge, relating to the field of industrial sludge treatment. The system comprises a sludge drying device, a sewage source heat pump, a waste gas source heat pump, a solar vacuum tube, a carbonization device and a cooling device, wherein the sewage source heat pump, the waste gas source heat pump and the solar vacuum tube are all connected with the sludge drying device; the sludge drying device is connected with the carbonization device; the carbonization device is connected with the cooling device. The utility model applies the heat pump-solar energy technology coupling to the heat energy collection of sewage and waste gas and carries out drying treatment on the sludge generated by the sewage treatment plant on the basis of the prior sewage treatment plant, thereby realizing the utilization of energy nearby and being an effective way for realizing the comprehensive utilization of sewage; the utility model discloses carry out the mud carbomorphism again with mummification back mud, the carbomorphism mud that obtains is similar to active carbon, has realized the resourceful treatment of discarded object.
Description
Technical Field
The utility model relates to an industrial sludge treatment field, more specifically say that it is a heat pump-solar energy coupled system who handles industrial sludge.
Background
The industrial sludge refers to sludge produced by an industrial wastewater treatment station, is generally more inorganic sludge, contains chemical components in production wastewater, and belongs to dangerous wastewater. The treatment system of industrial sludge is generally: dehydration, selection of disposal mode, recycling, isolation and landfill, and harmless incineration; however, the industrial sludge after treatment is buried or incinerated, which not only has large workload, but also can cause potential harm to the ground surface.
In addition, the existing sludge drying system uses an artificial heat source, the operating temperature (for sludge particles) of the artificial heat source is usually higher than 100 ℃, and most of water content in the sludge is removed through the functions of percolation or evaporation and the like so as to achieve deep dehydration (the water content of the sludge can be controlled below 20%) and further facilitate landfill; in conclusion, the sludge drying process is a process with net energy expenditure, and the energy expenditure is high.
Therefore, it is necessary to develop a heat pump-solar energy coupling system for treating industrial sludge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a heat pump-solar energy coupling system for treating industrial sludge.
In order to realize the purpose, the technical scheme of the utility model is that: a heat pump-solar energy coupled system for treating industrial sludge is characterized in that: the system comprises a sludge drying device, a sewage source heat pump, an exhaust gas source heat pump, a solar vacuum tube, a carbonization device and a cooling device, wherein the sewage source heat pump, the exhaust gas source heat pump and the solar vacuum are all connected with the sludge drying device;
the sludge drying device is connected with the carbonization device; the carbonization device is connected with the cooling device;
the carbonization device comprises an external heating type carbonization furnace, a blower and a hot blast stove; one end of the external heating type carbonization furnace is connected with the sludge drying device, and the other end of the external heating type carbonization furnace is connected with the cooling device; one end of the air blower is connected with a dry gas exhaust period pipe of the external heating type carbonization furnace, and the other end of the air blower is connected with the external heating type carbonization furnace through a hot blast stove.
In the technical scheme, the system further comprises a gas collecting device, a Fresnel lens and a centrifugal sewage heat exchanger, wherein the gas collecting device is connected with a waste gas source heat pump, and the Fresnel lens is positioned on the gas collecting device;
the centrifugal sewage heat exchanger is connected with a sewage source heat pump.
In the above technical scheme, the sludge drying device is a drying box.
In the technical scheme, the sewage source heat pump and the waste gas source heat pump are connected with the lower side of the sludge drying device through air pipes, a temperature and humidity sensor is arranged in the sludge drying device, air flow sensors are arranged in the sewage source heat pump and the waste gas source heat pump, an air flow regulating valve is arranged on the air pipes, and the temperature and humidity sensor, the air flow sensor and the air flow regulating valve are all connected with the controller.
In the technical scheme, the external heating type carbonization furnace comprises an inner cylinder and an outer cylinder, wherein the inner cylinder can rotate, one end of the inner cylinder is connected with a sludge drying device, and the other end of the inner cylinder is connected with a cooling device; the air blower and the hot blast stove are both connected with the outer barrel.
Compared with the prior art, the utility model has the advantages of it is following:
1) The utility model applies the heat pump-solar energy technology coupling to the heat energy collection of sewage and waste gas and the drying treatment of sludge generated by sewage treatment plants on the basis of the existing sewage treatment plants, thereby realizing the utilization of energy sources nearby and being an effective way for realizing the comprehensive utilization of sewage; the utility model discloses carry out the mud carbomorphism again with mummification back mud, the carbomorphism mud that obtains is similar to active carbon, has realized the resourceful treatment of discarded object.
2) The utility model discloses a sewage source heat pump draws its low temperature heat energy in the play water behind the waste water that discharges after handling sewage factory two heavy ponds promptly, through sewage source heat pump set, promotes it and is used for the sludge drying for high temperature heat energy, realizes the reutilization of sewage from this, changing waste into valuables, improves the utilization ratio of resource.
3) Every stage of sewage treatment plant all can produce a large amount of waste gases, and waste gas can give off the stench, can cause harmful effects to staff and resident on every side, the utility model discloses collect the waste gas that whole sewage treatment produced to utilize fresnel lens more effectively with the perpendicular projection light and the scattered light make full use of sunlight, improve energy utilization, with gas heating, utilize air source heat pump to collect its low level heat source as the heat source with gas again, with waste gas rational utilization, and reduced follow-up deodorizing device's load, reached the purpose of preliminary treatment.
4) The utility model discloses with the help of traditional greenhouse drying technology, combine the development of present day automation technology, adopt this kind of clean energy of solar energy as the partial energy source of sludge drying.
5) The sludge carbonization technology is a process of performing 'dry distillation' on sludge in a carbonization machine under the condition of no oxygen or micro oxygen to evaporate water in the sludge and simultaneously furthest reserve the carbon value in the sludge. Organic matters in the sludge are carbonized, and the carbonized sludge has the property similar to that of activated carbon and can be widely used for adsorption, deodorization, dehydration and the like; the carbonized sludge has small volume, no toxic gas and the like in the sludge, and no secondary pollution is caused; so the sludge carbonization is an economical treatment technology which can not damage the environment and can recycle resources; the utility model discloses a mud carbomorphism technique can not only effective processing mud, can also make it into the active carbon that has the high added value, has really realized the resourceful treatment of discarded object.
Drawings
Fig. 1 is a schematic structural view of the utility model.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be apparent and understood from the description.
With reference to the accompanying drawings: a heat pump-solar energy coupled system for treating industrial sludge is characterized in that: the device comprises a sludge drying device 1, a sewage source heat pump 2, a waste gas source heat pump 3, a solar vacuum 4 pipe, a carbonization device 5 and a cooling device 6, wherein the sewage source heat pump 2, the waste gas source heat pump 3 and the solar vacuum 4 are all connected with the sludge drying device 1;
the sludge drying device 1 is connected with the carbonization device 5; the carbonization device 5 is connected with the cooling device 6;
the carbonization device 5 comprises an external heating type carbonization furnace 51, a blower 52 and a hot blast stove 53; one end of the external heating type carbonization furnace 51 is connected with the sludge drying device 1, and the other end is connected with the cooling device 6; one end of the air blower 52 is connected with a dry gas exhaust period pipe of the external heating type carbonization furnace 51, and the other end is connected with the external heating type carbonization furnace 51 through a hot air furnace 53.
The waste gas heat pump system further comprises a gas collecting device 61, a Fresnel lens 62 and a centrifugal waste water heat exchanger 63, wherein the gas collecting device 61 is connected with the waste gas source heat pump 3, and the Fresnel lens 62 is positioned on the gas collecting device 61;
the centrifugal sewage heat exchanger 63 is connected with the sewage source heat pump 2.
The sludge drying device 1 is a drying box.
The sewage source heat pump 2 and the waste gas source heat pump 3 are connected with the lower side of the sludge drying device 1 through air pipes, a temperature and humidity sensor is arranged in the sludge drying device 1, air flow sensors are arranged in the sewage source heat pump 2 and the waste gas source heat pump 3, an air flow regulating valve is arranged on the air pipes, and the temperature and humidity sensor, the air flow sensors and the air flow regulating valve are connected with a controller.
The external heating type carbonization furnace 51 comprises an inner cylinder and an outer cylinder, the inner cylinder can rotate, one end of the inner cylinder is connected with the sludge drying device 1, and the other end of the inner cylinder is connected with the cooling device 6; the blower 52 and the hot blast stove 53 are both connected with the outer cylinder.
In actual use, the utility model dries the industrial sludge, and the heat used for drying comes from the heat collected by the sewage source heat pump, the heat collected by the air source heat pump after the waste gas generated in the sewage treatment process is heated by solar energy and the heat collected by the solar vacuum tube; the utility model discloses with sludge drying to the water content be below 40% to carry out the carbomorphism after making millimeter level granule, make carbomorphism mud.
The utility model discloses to utilize sewage factory to carry out the productivity from having the resource, specifically, synthesize the low-order energy that draws in waste gas, the waste water, convert high-order heat energy into, use the sludge drying in, the energy consumption of greatly reduced sludge drying process reaches energy-conserving purpose.
The sewage is a renewable heat energy resource containing abundant low-level heat energy, the low-level heat energy is converted into high-level heat energy by adopting a heat pump, and the heat energy is used for drying sludge in a factory so as to utilize the heat energy nearby. Not only the heat energy of the sewage can be utilized, but also the heat energy in the waste gas emitted by the sewage plant can be utilized; in the operation process of a sewage plant, each treatment unit can generate odor, the treatment of waste gas is more and more emphasized by technicians, and the common method is to cover the sewage plant and lead the sewage plant to a waste gas treatment system by an induced draft fan; the utility model heats the collected waste gas by solar energy before the waste gas treatment, and applies the heat energy to sludge drying by the heat pump, the application of the system can also reduce the load of the subsequent odor treatment device, and the solar energy is used as auxiliary energy to provide energy for sewage plants, thereby being safe and clean; in addition, a solar vacuum tube is also arranged, and the collected heat is also used for drying the sludge; the utility model discloses utilize the heat energy that heat pump-solar energy technical coupling produced to carry out the mummification to mud and handle, mud moisture content greatly reduced, whole process furthest has utilized the energy and the heat of solar energy that sewage plant self runs off, has realized the clean energy-conserving production of mud mummification process.
The utility model carbonizes the organic matters in the dried sludge, the property of the carbonized sludge is similar to that of active carbon, and the carbonized sludge can be widely used for adsorption, deodorization, dehydration and other purposes and has economic value; and the carbonized sludge has small volume, no toxic gas and the like in the sludge, and no secondary pollution is caused. So the sludge carbonization is an economical treatment technology which can not damage the environment and can recycle resources; the sludge carbonization technology can not only effectively treat the sludge, but also prepare the sludge into the activated carbon with high added value, thereby really realizing the resource treatment such as reduction, harmlessness and the like of the sludge treatment.
At present, the main technical key point is to improve the utilization of solar energy, the fresnel lens as a solar energy condenser can greatly improve the focusing of sunlight so as to improve the utilization rate of solar energy, and the heat source for heating waste gas mainly comes from the heat collected by the solar energy condensed by the fresnel lens.
Because the sewage components are complex and unstable, the adopted sewage is generally pretreated, but the internal structure of the heat pump is also complex and is difficult to clean, so the sewage is firstly treated by the centrifugal sewage heat exchanger, the problem that the medium containing larger suspended matters, particles or objects causes the blockage of the sewage source heat pump is well solved, the time-consuming and labor-consuming cleaning work is avoided, and the low-grade heat in the sewage is fully applied. Preferably, the sewage is treated by a centrifugal sewage heat exchanger, and then heat is collected by a sewage source heat pump.
The carbonization of the utility model is carried out under the anaerobic condition, the temperature adopted by the carbonization is 700-800 ℃, and the carbonization time is 30-60min.
The sludge carbonization technology is a process of performing 'dry distillation' on the sludge in a carbonization machine under the condition of no oxygen or micro oxygen to evaporate water in the sludge and simultaneously furthest reserve the carbon value in the sludge. Organic matters in the sludge are carbonized, and the carbonized sludge has the property similar to that of activated carbon and can be widely used for adsorption, deodorization, dehydration and the like. And the carbonized sludge has small volume, no toxic gas and the like in the sludge, and no secondary pollution is caused. Therefore, the sludge carbonization is an economical treatment technology which can not damage the environment and can recycle resources; the sludge carbonization technology can not only effectively treat the sludge, but also prepare the sludge into the activated carbon with high added value, thereby really realizing the resource treatment of the waste.
During the carbonization process, the sludge is gradually heated, when the temperature reaches 200-500 ℃, about 75 percent of organic matters are decomposed into dry gas (water, carbon dioxide and carbon monoxide), and when the temperature is heated to 800 ℃, dry distillation gas and carbide are generated, wherein the dry distillation gas contains carbon monoxide, cyano, ammonia and the like. If the generated gas is directly discharged, the environment is damaged, so that the waste gas in the carbonization process is discharged after being treated; dry distillation gas generated in the carbonization process is introduced into a hot blast stove by an air blower, and is completely combusted at 850 +/-5 ℃ for deodorization, and new waste gas can be generated when the temperature is too high; the energy source in the hot blast stove can be from kerosene and diesel oil, and the dry gas can be discharged after simple combustion, and can also be treated together with the dry gas.
The main working principle of the sewage source heat pump is as follows:
by means of a sewage source heat pump compressor system, a small amount of electric energy is consumed, low-level heat energy stored in water is extracted in winter to supply heat for users, indoor heat is extracted in summer and released into the water, and therefore the room temperature is reduced, and the refrigerating effect is achieved; the energy flow is that all heat energy (namely electric energy and absorbed heat energy) absorbed by the energy (electric energy) consumed by the heat pump unit is discharged and transmitted to a high-temperature heat source together, and the consumed energy is that the medium is compressed to a high-temperature high-pressure state, so that the effect of absorbing heat energy in the low-temperature heat source is achieved.
The sewage adopted in the utility model is generally industrial sewage after secondary treatment; nevertheless, the composition of industrial sewage is still complicated and unstable, and because the inner structure of heat pump is also very complicated, difficult washing, consequently, sewage is handled through centrifugal sewage heat exchanger earlier, and it has solved the condition that contains the medium of great suspended solid, granule or object and causes sewage source heat pump jam well, has avoided the cleaning work of consuming time and energy simultaneously to low-grade heat in the messenger waste water is fully used. Therefore, the industrial sewage after pretreatment used in the invention is firstly treated by the centrifugal sewage heat exchanger, and then the heat is collected by the sewage source heat pump.
Calculating the capacity of the sewage source heat pump:
the heating energy coefficient is 1.33, the heating energy-saving coefficient is 0, the cooling energy coefficient is 0.66, and the cooling energy-saving coefficient is 0. When the unit amount of waste water is 105m3 and the difference in sensible heat temperature is 5 ℃, the usable cold and heat is 2.1109. From the above data and equations, one can calculate: during heating, primary energy (fire coal) can be saved, which is equivalent to 71.3 tons (22800 yuan) of fire coal. Can save primary energy (fuel gas) which is equivalent to 40.7 tons (48800 yuan) of fuel gas. When refrigerating, it can save primary energy (coal), which is equivalent to 19 tons (6100 yuan) of coal. Can save primary energy (fuel gas), which is equivalent to 10.5 tons (12600 yuan) of fuel gas.
At 1000m 3 Calculated by sewage per hour, when the temperature difference of the sewage is 5 ℃, the extractable heat is 5800kW, and if standard coal is combusted to generate heat, 5000kg is consumed. The daily capacity of treating 10 ten thousand tons of sewage can reach 580000000kW according to the calculation.
Collecting heat of waste gas by adopting gas source heat pump
Sewage factory is at the operation in-process, and each processing unit all can produce the foul smell, and the processing of waste gas also more and more receives technical staff's attention, and the current comparatively general practice is to cover, leads to waste gas treatment system by the draught fan. And utility model waste gas with the collection before exhaust-gas treatment heaies up through solar energy, specifically, adopts fresnel lens to collect solar energy, can improve the focus of sunlight greatly as a solar energy condensing lens with fresnel lens to this improves the solar energy utilization ratio, and the temperature of the waste gas after the heating is 40 ℃ approximately. The Fresnel lens does not directly use the collected energy for drying the sludge but heats the waste gas firstly, and then uses the heat energy for drying the sludge by a heat pump technology, so that the aim of improving the stable supply of sludge drying energy is fulfilled. In addition, the application of the technology can also reduce the load of a subsequent odor treatment device, and the solar energy is used as auxiliary energy to provide energy for a sewage plant, so that the sewage plant is safe and clean.
The heat quantity which can be collected by the waste gas heated by the Fresnel lens of 10m multiplied by 10m through the air source heat pump is 3870 kW.h.
Heat collected by solar vacuum tube
The utility model discloses be used for the mummification of mud with the heat that solar vacuum tube collected, as far as possible clean energy of utilization solar energy.
The solar energy adopts the vacuum tube to absorb heat, and air is taken as a heat-carrying medium to be in thermal contact with the vacuum tube, so as to take away solar heat waves absorbed by the vacuum tube. Calculated according to the regions in the middle areas of solar energy resources in China, the total annual solar radiation amount is 5850-6680 MJ/m 2 The daily radiant quantity is 4.5-5.1 kW.h/m 2 The vacuum tube area is 144m 2 It is calculated that approximately 740kW · h of heat may be generated per day. 740 kW.h converted to joules 740X 10, calculated according to the energy of a standard fire coal 3 Ton of coal X3600J: 7400X 10 3 X 3600/(29260 × 1000) =91.0458 ton.
In addition, the Fresnel lens and the solar vacuum tube can be selected to be in proper sizes according to requirements.
In conclusion, the sewage is a renewable heat energy resource containing abundant low-level heat energy, the low-level heat energy is converted into high-level heat energy by adopting a heat pump, and the heat energy is used for drying the sludge in the plant so as to utilize the heat energy nearby. Not only the heat energy of the sewage can be utilized, but also the heat energy in the waste gas emitted by the sewage plant can be utilized. Sewage factory is at the operation in-process, and each processing unit all can produce the foul smell, and the processing of waste gas also more and more receives technical staff's attention, and the current comparatively general practice is to cover, leads to waste gas treatment system by the draught fan. According to the invention, before waste gas treatment, the collected waste gas is heated by solar energy, especially energy collected by a Fresnel lens, and then the heat energy is applied to sludge drying by a heat pump technology, so that the application of the technology can also reduce the load of a subsequent waste gas treatment device, and the solar energy is used as auxiliary energy to provide energy for a sewage plant, so that the sewage plant is safe and clean. In addition, a solar vacuum tube is arranged, and the collected heat is also used for drying the sludge.
Therefore, the utility model utilizes the heat energy generated by the heat pump-solar energy technology coupling to carry out drying treatment on the sludge, obtains materials nearby, comprehensively extracts the low-level energy in the waste gas and the waste water, converts the low-level energy into high-level heat energy, uses solar energy, and is applied to sludge drying, the whole process utilizes the energy lost by a sewage plant and the heat of the solar energy to the maximum extent, greatly reduces the energy consumption in the sludge drying process, achieves the purpose of energy conservation, and realizes the clean and energy-saving production in the sludge drying process; and also reduces the load on the subsequent exhaust gas treatment device.
The utility model discloses with the organic matter carbomorphism in the mud after the mummification, the mud property after the carbomorphism is similar to active carbon, can extensively be used for adsorbing uses such as deodorization dehydration, has economic value. And the carbonized sludge has small volume, no toxic gas and the like in the sludge, and no secondary pollution is caused. Therefore, the sludge carbonization is an economical treatment technology which can not damage the environment and can recycle resources. The sludge carbonization technology can not only effectively treat the sludge, but also prepare the sludge into the activated carbon with high added value, thereby really realizing the resource treatment such as reduction, harmlessness and the like of the sludge treatment.
Example 1
Taking industrial sludge, and putting the industrial sludge in a drying box;
the sewage is heated by heat collected by a sewage source heat pump, waste gas generated in the sewage treatment process and collected by sunlight collected by a Fresnel lens, and then the heat collected by the gas source heat pump and the heat collected by a solar vacuum tube are led into a drying box for sludge dehydration and drying;
drying the sludge until the water content is below 40%, preparing the dried sludge into millimeter-sized particles, putting the millimeter-sized particles into a carbonization furnace, heating the particles to 700 ℃ for 60min, and cooling the particles to obtain carbonized sludge.
The amount of active carbon obtained was 40kg per ton of sludge.
Example 2
Taking industrial sludge, and putting the industrial sludge in a drying box;
after sewage is treated by the centrifugal sewage heat exchanger, a sewage source heat pump is adopted to collect heat, and the collected heat is introduced into the drying box through a heat conduction pipe;
the Fresnel lens collects heat collected by sunlight to heat waste gas collected by the gas collecting device, and the heated waste gas is collected by the gas source heat pump and introduced into the drying box through the heat conducting pipe;
the heat collected by the solar vacuum tube is guided into the drying box through the heat conduction pipe;
the drying box is used for dehydrating and drying the sludge in the drying box by controlling heat from different sources;
drying the sludge until the water content is below 40%, preparing into millimeter-sized particles, putting into a carbonization furnace, heating to 800 ℃ for 30min, and cooling to obtain carbonized sludge;
dry distillation gas generated in the carbonization process is introduced into a hot blast stove by a blower and is completely combusted at 850 +/-5 ℃ for deodorization;
meanwhile, hot air generated by the hot blast stove is introduced into the carbonization furnace.
The amount of activated carbon obtained was 50kg per ton of sludge.
Example 3
Taking industrial sludge, and putting the industrial sludge in a drying box;
after sewage is treated by the centrifugal sewage heat exchanger, a sewage source heat pump is adopted to collect heat, and the collected heat is introduced into the drying box through a heat conduction pipe;
the Fresnel lens collects heat collected by sunlight to heat waste gas collected by the gas collecting device, and the heated waste gas is collected by the gas source heat pump and introduced into the drying box through the heat conducting pipe;
the heat collected by the solar vacuum tube is guided into the drying box through the heat conduction pipe;
the drying box is used for dehydrating and drying the sludge in the drying box by controlling heat from different sources;
drying the sludge until the water content is below 40%, preparing into millimeter-sized particles, putting into a carbonization furnace, heating to 750 ℃, keeping the temperature for 45min, and cooling to obtain carbonized sludge;
dry distillation gas generated in the carbonization process is introduced into a hot blast stove by a blower and is completely combusted at 850 +/-5 ℃ for deodorization;
meanwhile, hot air generated by the hot blast stove is introduced into the carbonization furnace.
The amount of activated carbon obtained was 45kg per ton of sludge.
The lower side of the drying box in the utility model is provided with a heat pump heating system, an expansion valve, a refrigerant, a fan and a pipeline, the heat pump system is connected with the drying box through an air pipe, the air pipe is provided with an air volume adjusting valve, the heat pump system is provided with an air volume sensor, and the air volume sensor and the air volume adjusting valve are connected with a controller; the controller is also provided with a temperature and humidity sensor for the drying box, and the air quantity on the air pipes of each system can be adjusted according to the temperature and humidity in the drying box, so that the drying system is not communicated with the external environment under the condition of closed circulation.
The utility model discloses on average per ton mud can produce 140 kilograms carbonization mud, and in this 140 kilograms mud, the fixed carbon accounts for 25% -40%, all is as mud active carbon, and per ton mud finally can produce 140% 25% -140% kg mud active carbon, has not only dwindled the volume of mud by a wide margin, has still created huge economic benefits.
The utility model discloses directly utilize sewage behind the sewage plant secondary treatment and the low temperature heat source of waste gas conduct heat pump of producing, be close to hot user like this, save and carry thermal energy consumption to improve the economic nature of its system. The solar energy collecting device used as auxiliary energy supply adopts the Fresnel lens and the solar vacuum tube, and the utilization rate of the sun is improved. Under the conditions of the current energy crisis and environmental deterioration, the sludge carbonization can not cause secondary pollution, so that the waste is changed into valuable, the realization of resource regeneration can be a new development of a new generation of sludge treatment technology, the emission reduction can be realized, and the economic benefit can be generated, thereby achieving two purposes at one stroke.
Other parts not described belong to the prior art.
Claims (5)
1. A heat pump-solar energy coupled system for treating industrial sludge is characterized in that: the system comprises a sludge drying device (1), a sewage source heat pump (2), an exhaust gas source heat pump (3), a solar vacuum (4) pipe, a carbonization device (5) and a cooling device (6), wherein the sewage source heat pump (2), the exhaust gas source heat pump (3) and the solar vacuum (4) are all connected with the sludge drying device (1);
the sludge drying device (1) is connected with the carbonization device (5); the carbonization device (5) is connected with the cooling device (6);
the carbonization device (5) comprises an external heating type carbonization furnace (51), a blower (52) and a hot blast stove (53); one end of the external heating type carbonization furnace (51) is connected with the sludge drying device (1), and the other end is connected with the cooling device (6); one end of the air blower (52) is connected with a dry gas exhaust period pipe of the external heating type carbonization furnace (51), and the other end of the air blower is connected with the external heating type carbonization furnace (51) through a hot blast stove (53).
2. The heat pump-solar energy coupling system for treating industrial sludge according to claim 1, wherein: the waste gas heat pump device is characterized by further comprising a gas collecting device (61), a Fresnel lens (62) and a centrifugal waste water heat exchanger (63), wherein the gas collecting device (61) is connected with the waste gas source heat pump (3), and the Fresnel lens (62) is located on the gas collecting device (61);
the centrifugal sewage heat exchanger (63) is connected with the sewage source heat pump (2).
3. The heat pump-solar energy coupling system for treating industrial sludge according to claim 2, wherein: the sludge drying device (1) is a drying box.
4. The heat pump-solar energy coupling system for treating industrial sludge according to claim 3, wherein: sewage source heat pump (2) and waste gas source heat pump (3) all are connected through tuber pipe and sludge drying device (1) downside, there is temperature and humidity sensor in sludge drying device (1), all there is air sensor in sewage source heat pump (2) and waste gas source heat pump (3), be equipped with air regulation valve on the tuber pipe, temperature and humidity sensor, air sensor and air regulation valve all are connected with the controller.
5. The heat pump-solar energy coupling system for treating industrial sludge according to claim 4, wherein: the external heating type carbonization furnace (51) comprises an inner cylinder and an outer cylinder, the inner cylinder can rotate, one end of the inner cylinder is connected with the sludge drying device (1), and the other end of the inner cylinder is connected with the cooling device (6); the blower (52) and the hot blast stove (53) are both connected with the outer cylinder.
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| CN115088625A (en) * | 2022-07-11 | 2022-09-23 | 华东交通大学 | Building method of solar dehumidifying and cooling pig house |
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