CN210796178U

CN210796178U - Low-energy-consumption resource sludge low-temperature vacuum drying and high-temperature carbonization treatment device

Info

Publication number: CN210796178U
Application number: CN201921192193.XU
Authority: CN
Inventors: 白海涛; 张若诗; 杨怀然; 杨其涛; 白海捷
Original assignee: Jilin Shuangyuan Environmental Protection Technology Co ltd
Current assignee: Jilin Shuangyuan Environmental Protection Technology Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-06-19
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to the technical field of solid waste treatment in the environmental protection industry, in particular to a low-energy-consumption resource sludge low-temperature vacuum drying and high-temperature carbonization treatment device, which comprises a granulator and a transportation tank, wherein the rear end surface of the transportation tank is fixedly connected with an electromagnetic directional valve, the left end surface of the electromagnetic directional valve is fixedly connected with an external guide pipe, the right end surface of the electromagnetic directional valve is fixedly connected with a connecting pipe, the other end of the connecting pipe is fixedly connected with a dryer, the outer side of the dryer is respectively provided with a condenser, a granulator, a heat-conducting oil tank and a waste heat boiler, the outer side of the condenser is respectively provided with a buffer tank, a hot water tank and a cold water pump, the right end surface of the cold water pump is provided with a cold water tank, the heat generated by the dryer and the carbonizer is utilized, the heat is utilized by the heat exchanger and the waste heat boiler, reduces the negative effects related to the sludge and makes the treated sludge more acceptable.

Description

Low-energy-consumption resource sludge low-temperature vacuum drying and high-temperature carbonization treatment device

Technical Field

The utility model relates to a solid waste handles technical field in the environmental protection trade, specifically is a low energy consumption resource mud low temperature vacuum mummification and high temperature carbonization processing apparatus.

Background

With the development of economy, the urban population increases, the discharge amount of industrial wastewater and domestic sewage increases day by day, the output of sludge increases rapidly, the components of sludge are very complicated, the sludge is an aggregate consisting of zoogloea formed by a plurality of microorganisms and organic and inorganic substances adsorbed by the zoogloea, and besides a large amount of water, the sludge also contains organic substances, heavy metals and salts which are difficult to degrade, a small amount of pathogenic microorganisms and parasitic ova and the like, so that how to treat the sludge with huge output and complicated components scientifically to make the sludge harmless and recyclable becomes a hot spot deeply concerned in China and even the world environment, and therefore, the demand for a low-energy-consumption and resource-regeneration sludge low-temperature vacuum drying and high-temperature carbonization treatment device increases day by day.

At present, domestic and foreign sludge treatment and treatment methods mainly comprise landfill, incineration and direct land utilization, the sludge landfill occupies large amount of land and is long in time, generated leachate and gas can seriously pollute the environment, the incineration equipment is large in investment, the operation cost is high, the tail gas treatment process is complex, and when the sludge is directly used, because the sludge contains pathogenic bacteria, parasitic ova, heavy metals and various non-degradable organic compounds, the sludge harms human health and the growth of animals and plants in soil, therefore, the low-energy-consumption resource sludge low-temperature vacuum drying and high-temperature carbonization treatment device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low energy consumption resource mud low temperature vacuum mummification and high temperature carbonization processing apparatus to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a low-energy-consumption resource sludge low-temperature vacuum drying and high-temperature carbonization treatment device comprises a granulator and a transportation tank, wherein the rear end face of the transportation tank is fixedly connected with an electromagnetic directional valve, the left end face of the electromagnetic directional valve is fixedly connected with an external guide pipe, the right end face of the electromagnetic directional valve is fixedly connected with a connecting pipe, the other end of the connecting pipe is fixedly connected with a dryer, the outside of the dryer is respectively provided with a condenser, a granulator, a heat-conducting oil tank and a waste heat boiler, the outside of the condenser is respectively provided with a buffer tank, a hot water tank and a cold water pump, the right end face of the cold water pump is provided with a cold water tank, the bottom end of the right end face of the cold water tank is provided with a first heat exchanger, the bottom end of the first heat exchanger is provided with a hot water pump, the outside of the buffer tank is respectively provided with, the top of the second heat exchanger is provided with a water spray, the left end face of the water spray is provided with a circulating pump, the right end face of the heat-conducting oil tank is provided with an oil pump, the right end face of the granulator is provided with a carbonizer, and the right end face of the carbonizer is provided with a cooler.

Preferably, the solid fixed ring of outside fixedly connected with of transportation jar, gu fixed ring the equal fixedly connected with support in both ends about, the inboard of transportation jar is equipped with the connecting plate, the outside fixedly connected with of connecting plate is sealed fills up, the inboard threaded connection of the preceding terminal surface of transportation jar has the threaded rod, the preceding terminal surface fixedly connected with carousel of threaded rod, the rear end face fixedly connected with limiting plate of threaded rod.

Preferably, the heat-conducting oil inlet of the heat-conducting oil tank is connected with the heat-conducting oil outlet of the dryer through a connecting pipe, the outlet of the heat-conducting oil tank is connected with the oil pump through a connecting pipe, the oil pump is connected with the waste heat boiler through a connecting pipe, and the heat-conducting oil outlet of the waste heat boiler is connected with the heat-conducting oil inlet of the dryer through a connecting pipe.

Preferably, the hot water tank and the cold water tank are respectively connected with the first heat exchanger through a hot water pump and a cold water pump, and the cold water tank is respectively connected with the condenser and the cooler through connecting pipes.

Preferably, the smoke outlet of the carbonization machine is connected with the smoke inlet of the waste heat boiler through a connecting pipe, the second heat exchanger is connected with the burner through a connecting pipe, and the burner and the carbonization machine are connected through a connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the connecting plate, the sealing gasket and the transportation tank, when sludge needs to be treated, the sludge can be transported to the inner side of the transportation tank through the electromagnetic directional valve through the external guide pipe, the moving range of the connecting plate can be limited through the design of the threaded rod and the limiting plate, the amount of the sludge can be controlled, and the sludge can be effectively treated;

2. the utility model discloses in, through the circulating pump that sets up, carbonization machine and granulator, the carbonization result resourceization does not produce noxious material such as dioxin, the pollutant zero release, the mud calorific value after the carbonization mud calorific value is than the drying is high, can regard as the fuel to use, the heat that desiccator and carbonization machine produced has been utilized, through heat exchanger and exhaust-heat boiler, make the heat utilize, odorless and no pathogen in the whole course of working, the negative effect that mud is relevant has been alleviateed, make the mud after handling accepted more easily.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the mounting structure schematic diagram of the transportation tank of the present invention.

In the figure: 1-a buffer tank, 2-a condenser, 3-a cold water pump, 4-a cold water tank, 5-a first heat exchanger, 6-a hot water pump, 7-a hot water tank, 8-a cooler, 9-a carbonizer, 10-a burner, 11-a granulator, 12-a drier, 13-a vacuum pump, 14-sewage treatment equipment, 15-a heat-conducting oil tank and 16-an oil pump, 17-waste heat boiler, 18-second heat exchanger, 19-water spray, 20-circulating pump, 21-transport tank, 22-connecting pipe, 23-support, 24-external material guide pipe, 25-sealing gasket, 26-fixing ring, 27-limiting plate, 28-threaded rod, 29-rotary table, 30-connecting plate and 31-electromagnetic reversing valve.

Detailed Description

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

Referring to fig. 1-2, the present invention provides a technical solution:

a low-energy-consumption resource sludge low-temperature vacuum drying and high-temperature carbonization treatment device comprises a granulator 11 and a transportation tank 21, wherein a rear end face of the transportation tank 21 is fixedly connected with an electromagnetic directional valve 31, a left end face of the electromagnetic directional valve 31 is fixedly connected with an external material guide pipe 24, a right end face of the electromagnetic directional valve 31 is fixedly connected with a connecting pipe 22, the other end of the connecting pipe 22 is fixedly connected with a dryer 12, the outer side of the dryer 12 is respectively provided with a condenser 2, the granulator 11, a heat-conducting oil tank 15 and a waste heat boiler 17, the outer side of the condenser 2 is respectively provided with a buffer tank 1, a hot water tank 7 and a cold water pump 3, the right end face of the cold water pump 3 is provided with a cold water tank 4, the bottom end of the right end face of the cold water tank 4 is provided with a first heat exchanger 5, the bottom end of the first heat exchanger 5 is provided with a hot, the right end face of the vacuum pump 13 is provided with a combustor 10 and a second heat exchanger 18 respectively, the top end of the second heat exchanger 18 is provided with a water spray 19, the left end face of the water spray 19 is provided with a circulating pump 20, the right end face of the heat-conducting oil tank 15 is provided with an oil pump 16, the right end face of the granulator 11 is provided with a carbonizer 9, the right end face of the carbonizer 9 is provided with a cooler 8, and sludge can be quantitatively stored through the design of a transport tank 21.

The outer side of the transportation tank 21 is fixedly connected with a fixing ring 26, the left end and the right end of the fixing ring 26 are both fixedly connected with a support 23, the inner side of the transportation tank 21 is provided with a connecting plate 30, the outer side of the connecting plate 30 is fixedly connected with a sealing gasket 25, the inner side of the front end face of the transportation tank 21 is in threaded connection with a threaded rod 28, the front end face of the threaded rod 28 is fixedly connected with a turntable 29, the rear end face of the threaded rod 28 is fixedly connected with a limiting plate 27, the arrangement is favorable for storing sludge, a heat conduction oil inlet of the heat conduction oil tank 15 is connected with a heat conduction oil outlet of the dryer 12 through a connecting pipe 22, an outlet of the heat conduction oil tank 15 is connected with the oil pump 16 through the connecting pipe 22, the oil pump 16 is connected with the waste heat boiler 17 through the connecting pipe 22, the heat conduction, hot-water tank 7 and cold-water tank 4 are connected with first heat exchanger 5 through hot-water pump 6 and cold-water pump 3 respectively, cold-water tank 4 is connected with condenser 2 and cooler 8 respectively through connecting pipe 22, and this kind of setting does benefit to and adjusts the temperature, 9 exhanst gas outlets of carbonizer connect exhaust-heat boiler 17 smoke inlet through connecting pipe 22, second heat exchanger 18 passes through connecting pipe 22 and connects combustor 10, combustor 10 is connected through connecting pipe 22 with carbonizer 9, and this kind of being provided with does benefit to the carbonization of mud.

The model of the condenser 2 is CEMS, the model of the cold water pump 3 is LPW, the models of the first heat exchanger 5 and the second heat exchanger 18 are AES, the model of the hot water pump 6 is ISG, the model of the cooler 8 is SL-303, the model of the carbonizer 9 is BST-03, the model of the burner 10 is BT35N, the model of the granulator 11 is XL-250, the model of the dryer 12 is PLG, the model of the vacuum pump 13 is XZ, the model of the oil pump 16 is DYB-80, the model of the circulating pump 20 is CPS, and the model of the electromagnetic reversing valve 31 is DSG-01-2D 2-A240-N1-50.

The working process is as follows: all electrical appliances of the device are external power supply, when needing to handle mud, at first need control the volume of the mud of handling, can be through rotating carousel 29, alright drive threaded rod 28 through carousel 29 and rotate, thereby can adjust the position of limiting plate 27, alright inject the scope that connecting plate 30 and sealed pad 25 removed, alright control with the volume of the inboard mud of transport tank 21, then alright transport the inboard of transport tank 21 through electromagnetic directional valve 31 mud through external passage 24, when connecting plate 30 and limiting plate 27 contact, the volume of mud then reaches certainly, alright switch on transport tank 21 and connecting pipe 22 through electromagnetic directional valve 31, alright transport the inboard of desiccator 12 through connecting pipe 22 mud, mud is at first dried through desiccator 12, moisture is reduced to 30% by 80%, then obtaining sludge with proper particle size through a granulator 11, carbonizing the sludge at 800 ℃ through a carbonizing machine 9 to obtain biochar, cooling the biochar through a cooler to obtain biochar products, controlling the vacuum degree to be 0.1 atmospheric pressure corresponding to the boiling point of water being 40-50 ℃ along with the reduction of the atmospheric pressure and the increase of the vacuum degree along with the reduction of the atmospheric pressure, namely boiling and gasifying the water in the mud cakes at the temperature, forming a certain vacuum degree in a closed chamber by a vacuum pump 13 for pumping the steam-water mixture in the chamber to further reduce the boiling point of the water, continuously heating the dried materials while vacuumizing the vacuum system, diffusing the water in the materials to the surface through pressure difference or concentration difference, obtaining enough kinetic energy on the surfaces of the materials by water molecules, overcoming the mutual attraction among the molecules, escape to the low-pressure space of the vacuum chamber, thus is pumped away by the vacuum pump 13, the function of the condenser 2 is to condense the steam-water mixture pumped out from the chamber into water, and then discharge into the sewage treatment plant 14, discharge up to standard after processing, the noncondensable gas pumped out by the vacuum pump 13 is sent to the burner 10, this technology has increased the vacuum drying stage on the basis of traditional sludge drying, make the moisture content of the mud further reduced in the same stage, the moisture content can reach 10% at least, 30% of moisture content after dehydrating than the conventional drier 12 reduces 20%, has reached the effect of drying and reducing, the mud after drying can be used in the carbonization craft directly, has saved the process of further drying, because the boiling point reduces, can save about 40% of energy, because the oxygen content is extremely low under the vacuum state, there is no possible combustion-supporting, there is no potential safety hazard in the apparatus, the mud carbonizes, through, Pressurizing to crack cells in the biochemical sludge, releasing water in the biochemical sludge and simultaneously keeping the process of carbon in the sludge to the maximum extent, wherein the sludge carbonization has the advantages that the sludge carbonization removes water in the sludge in a cracking mode, the energy consumption is low, the carbon content in the residual product is high, the heat productivity is high, the heat source of the sludge carbonization is the heat generated by the combustion of the combustor 10, the cracked gas generated by the carbonizing machine 9 is recycled and enters the combustor 10 for combustion, the non-condensable gas extracted by the vacuum pump 13 is sent into the combustor 10, the fresh air exchanges heat with the flue gas generated by the waste heat boiler 17 and then is supplemented into the combustor 10 as combustion-supporting gas, the high-temperature flue gas generated by the sludge carbonization enters the waste heat boiler 17, meanwhile, the oil pump 16 pumps the heat-conducting oil into the waste heat boiler 17, the heat-conducting oil is heated and then enters the dryer 12 as dried energy, and is heated and, so form the circulation, form low temperature flue gas behind high temperature flue gas through exhaust-heat boiler 17, in order to guarantee the pollutant zero release of system, still can not discharge after low temperature flue gas and the air heat transfer, discharge into sewage treatment device 14 via water spray 19 after the heat transfer, discharge up to standard after handling, hot-water tank 7 and cold water tank 4 are connected with first heat exchanger 5 through hot-water pump 6 and cold water pump 3 respectively, cold water tank 4 divides two pipelines to be connected with condenser 2 and cooler 8 respectively, condenser 2 and cooler 8 play water and get into hot-water tank 7 as two pipelines of hot moisture, can be used for heat supply or heat water with the heat of heat transfer in-process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low energy consumption resource mud low temperature vacuum drying and high temperature carbonization processing apparatus, includes granulator (11) and transport tank (21), its characterized in that: the rear end face of the transportation tank (21) is fixedly connected with an electromagnetic directional valve (31), the left end face of the electromagnetic directional valve (31) is fixedly connected with an external material guide pipe (24), the right end face of the electromagnetic directional valve (31) is fixedly connected with a connecting pipe (22), the other end of the connecting pipe (22) is fixedly connected with a dryer (12), the outer side of the dryer (12) is respectively provided with a condenser (2), a granulator (11), a heat-conducting oil tank (15) and a waste heat boiler (17), the outer side of the condenser (2) is respectively provided with a buffer tank (1), a hot water tank (7) and a cold water pump (3), the right end face of the cold water pump (3) is provided with a cold water tank (4), the bottom end of the right end face of the cold water tank (4) is provided with a first heat exchanger (5), the bottom end of the first heat exchanger (5) is provided with a hot water pump (6), the outer side of the buffer tank (, the right end face of vacuum pump (13) is equipped with combustor (10) and second heat exchanger (18) respectively, the top of second heat exchanger (18) is equipped with water shower (19), the left end face of water shower (19) is equipped with circulating pump (20), the right end face of heat conduction oil tank (15) is equipped with oil pump (16), the right end face of granulator (11) is equipped with carbonizer (9), the right end face of carbonizer (9) is equipped with cooler (8).

2. The low-energy-consumption and resource-derived sludge low-temperature vacuum drying and high-temperature carbonization treatment device according to claim 1, characterized in that: the outer side fixedly connected with of transportation jar (21) is solid fixed ring (26), gu the equal fixedly connected with support (23) in both ends about solid fixed ring (26), the inboard of transportation jar (21) is equipped with connecting plate (30), the sealed pad (25) of outer side fixedly connected with of connecting plate (30), the inboard threaded connection of the preceding terminal surface of transportation jar (21) has threaded rod (28), preceding terminal surface fixedly connected with carousel (29) of threaded rod (28), the rear end face fixedly connected with limiting plate (27) of threaded rod (28).

3. The low-energy-consumption and resource-derived sludge low-temperature vacuum drying and high-temperature carbonization treatment device according to claim 1, characterized in that: the heat conduction oil inlet of the heat conduction oil tank (15) is connected with the heat conduction oil outlet of the dryer (12) through a connecting pipe (22), the outlet of the heat conduction oil tank (15) is connected with the oil pump (16) through the connecting pipe (22), the oil pump (16) is connected with the waste heat boiler (17) through the connecting pipe (22), and the heat conduction oil outlet of the waste heat boiler (17) is connected with the heat conduction oil inlet of the dryer (12) through the connecting pipe (22).

4. The low-energy-consumption and resource-derived sludge low-temperature vacuum drying and high-temperature carbonization treatment device according to claim 1, characterized in that: the hot water tank (7) and the cold water tank (4) are respectively connected with the first heat exchanger (5) through a hot water pump (6) and a cold water pump (3), and the cold water tank (4) is respectively connected with the condenser (2) and the cooler (8) through a connecting pipe (22).

5. The low-energy-consumption and resource-derived sludge low-temperature vacuum drying and high-temperature carbonization treatment device according to claim 1, characterized in that: the smoke outlet of the carbonizing machine (9) is connected with the smoke inlet of the waste heat boiler (17) through a connecting pipe (22), the second heat exchanger (18) is connected with the combustor (10) through the connecting pipe (22), and the combustor (10) is connected with the carbonizing machine (9) through the connecting pipe (22).