CN108500045B - Be provided with soil organic pollutant repair equipment that auxiliary material added device - Google Patents

Be provided with soil organic pollutant repair equipment that auxiliary material added device Download PDF

Info

Publication number
CN108500045B
CN108500045B CN201810271054.XA CN201810271054A CN108500045B CN 108500045 B CN108500045 B CN 108500045B CN 201810271054 A CN201810271054 A CN 201810271054A CN 108500045 B CN108500045 B CN 108500045B
Authority
CN
China
Prior art keywords
soil
auxiliary
mixing
thermal desorption
box
Prior art date
Application number
CN201810271054.XA
Other languages
Chinese (zh)
Other versions
CN108500045A (en
Inventor
张治国
胡友彪
郑永红
徐娇娇
陈芳玲
肖观红
刁可可
Original Assignee
安徽理工大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 安徽理工大学 filed Critical 安徽理工大学
Priority to CN201810271054.XA priority Critical patent/CN108500045B/en
Publication of CN108500045A publication Critical patent/CN108500045A/en
Application granted granted Critical
Publication of CN108500045B publication Critical patent/CN108500045B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/06Reclamation of contaminated soil thermally

Abstract

The invention discloses soil organic pollutant remediation equipment provided with an auxiliary material adding device. The mixing pipe that sets up in soil and auxiliary material mixing arrangement is after smashing into the powder with the auxiliary material, with prosthetic soil mixing's device, is provided with the spiral push rod in the mixing pipe, makes things convenient for soil to move down from soil and auxiliary material mixing arrangement, and at the in-process that removes, also is the stage of mixing, the rotation of spiral push rod self has the efficiency of stirring, and abundant messenger's straw powder mixes with modified soil, reaches the best effect of carbonization.

Description

Be provided with soil organic pollutant repair equipment that auxiliary material added device

Technical Field

The invention relates to the scientific and technical field of environmental protection agriculture, in particular to soil organic pollutant remediation equipment provided with an auxiliary material adding device.

Background

At present, the organic pollutants in the soil are mainly repaired by using a thermal desorption technology. The thermal desorption technology has the advantages of short restoration period and low cost, and is particularly suitable for restoring soil polluted by petroleum (including gasoline, diesel oil, lubricating oil and the like), chlorinated solvents, volatile organic compounds and semi-volatile organic compounds. The thermal desorption technology has good treatment effect on organic matters. Thermal desorption techniques have been widely used in remediation projects for contaminated sites associated with polycyclic aromatic hydrocarbons, other non-halogenated semi-volatile organics, benzene series, other non-halogenated volatile organics, organic pesticides and herbicides, other halogenated semi-volatile organics, halogenated volatile organics, polychlorinated biphenyls, and the like. Therefore, the thermal desorption technology has good treatment effect on organic matters, can achieve the remediation goal once when a plurality of organic pollutants with different boiling points are contained, and the desorption rate of the organic pollutants can reach more than 90 percent generally.

The repair efficiency of the thermal desorption technology on the organic pollutants can be influenced by various factors, and the method mainly comprises the following three aspects: (1) a device operating parameter; (2) a contaminant characteristic; (3) the nature of the soil. The operating parameters of the thermal desorption drum mainly comprise temperature and residence time, which are one of the important factors influencing the thermal desorption efficiency, and the required temperature and residence time are different according to the characteristics of pollutants and soil. Usually, the temperature of the thermal desorption roller is adjusted between 150 ℃ and 650 ℃, low-temperature thermal desorption and high-temperature thermal desorption can be realized for different organic matters, and the retention time is 15-30 minutes.

However, natural organic substances in the soil can be decomposed and destroyed by the thermal desorption roller at the temperature higher than 287 ℃, and humus can generate thermal decomposition products (such as alkanes, phenols and polycyclic aromatic hydrocarbon compounds) at the temperature of 385-485 ℃, so that organic substances in the soil can be greatly lost, and the fertility level of the repaired soil is reduced and damaged. Soil organic matter refers to organic matter present in soil and containing carbon, which includes various animal and plant residues, microorganisms, and various organic matters and humus that are decomposed and synthesized. Although the content of organic matters accounts for only a small part (generally less than 20%) of the total amount of soil, the soil organic matters are one of soil nutrient indexes, the content of the soil organic matters is one of important indexes for measuring the soil fertility, the soil organic matters can promote the soil to form a structure, improve the conditions of physical, chemical and biological processes of the soil, improve the absorption performance and the buffering performance of the soil, and simultaneously contain various nutrients required by plants, so that the soil organic matters have important functions and meanings in the aspects of soil formation, soil fertility, environmental protection, sustainable development and the like.

In the soil organic pollutant remediation device in the prior art, only the removal efficiency of organic pollutants is considered, the loss of organic matters and fertility of soil is ignored, and the sustainable utilization of the soil is not considered. In the process of thermal desorption of soil fertility, soil organic matters, humus and other indexes of fertility are damaged, and the fertility level of the repaired soil is reduced. When the fertilizer is used for crop cultivation, flower planting and the like in the later period, the fertilizer level is low, the fertilizer cannot be normally used, and the waste of soil resources is caused. On the other hand, the secondary pollution of the repaired soil is easily caused by artificially adding chemical fertilizers.

The invention mainly solves the problem that the original fertility level of the soil is lost after the soil is repaired by a thermal desorption technology. Various straws are reused to supplement soil organic matters, improve the soil fertility level and promote the self-restoration of the soil and the quick recovery of ecological functions.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the soil organic pollutant remediation equipment with the auxiliary material adding device, which can effectively remove pollutants such as organic pesticides in soil, increase the content of organic matters in soil and promote the rapid recovery of the soil fertility level.

The invention solves the technical problems through the following technical means:

a soil organic pollutant remediation device provided with an auxiliary material adding device comprises a soil crushing and screening device, a soil conveying belt, a feeding hole, a thermal desorption roller, a cooling device, a soil and auxiliary material mixing device, a tail gas treatment device and an auxiliary material adding device;

the thermal desorption roller and the cooling device sequentially comprise a feed hopper, a roller type thermal desorption device and a cooling device from top to bottom, wherein a combustor, an induced draft fan and a heat transfer pipe are arranged in the roller type thermal desorption device, a cooling fan and a circulating fan are arranged in the cooling device, and the feed inlet is communicated with the feed hopper;

the soil and auxiliary material mixing device is positioned below the thermal desorption roller and the cooling device, and an upper material port of the soil and auxiliary material mixing device is communicated with a lower material port of the thermal desorption roller and the cooling device; the lower end of the soil conveying belt is connected with a material port of the soil crushing and screening device, and the upper end of the soil conveying belt is opposite to the material inlet;

the tail gas treatment device sequentially comprises a flue gas pyrolysis furnace, an atomization cooling tower, a bag-type dust remover and a gas detection device, wherein the flue gas pyrolysis furnace is respectively communicated with a drum-type thermal desorption device and a soil and auxiliary material mixing device through a branch pipe;

the soil and auxiliary material mixing device is a rectangular box body, a mixing pipe is arranged on the bottom surface of the box body, the top surface of the box body is communicated with a cooling device, a flue gas outlet and an auxiliary material inlet are respectively formed in the side surface of the box body, the upper end of the mixing pipe is communicated with the bottom surface of the box body, a discharging pipe is arranged at the lower end of the mixing pipe, a first motor is further arranged right below the mixing pipe, a spiral pushing rod is arranged in the mixing pipe, the upper end of the spiral pushing rod is rotatably connected with the top surface of the box body, and the lower end of the spiral pushing rod is in transmission fit with the motor;

the auxiliary material adding device sequentially comprises a second motor, a crushing box, a grinding device and a material containing hopper from top to bottom, the upper end of the crushing box is open, the lower end of the crushing box is funnel-shaped, the grinding device comprises a shell and a grinding base platform, the upper part of the shell is funnel-shaped, the lower part of the shell is funnel-shaped, the grinding base platform is conical, the conical surface of the grinding base platform is attached to the inner side surface of the upper part of the shell, and the conical surface of the grinding base platform and the inner side surface of the upper part of the shell are both frosted; the crushing box is provided with a main shaft and a plurality of auxiliary shafts, the upper end of the main shaft is in transmission fit with the motor, the lower end of the main shaft is in transmission fit with the conical top of the grinding base station, the two ends of the auxiliary shafts are respectively in rotation fit with the side wall of the crushing box, the auxiliary shafts are in transmission fit with the main shaft through conical teeth, and the auxiliary shafts are provided with a plurality of blades; the grinding device is characterized in that a supporting rod is further arranged between the circular bottom surface of the grinding base station and the containing hopper, a buffer spring is arranged at the joint of the upper end of the supporting rod and the bottom surface of the grinding base station, the lower end of the supporting rod is fixedly connected with the inner side bottom surface of the containing hopper, a pushing fan is arranged on one side inside the containing hopper, and the other side inside the containing hopper is communicated with the box body through a conveying pipe.

Preferably, the specification of the soil after the soil is crushed and sieved by the soil crushing and sieving device is 0.25 mm-0.7 mm in particle size.

Preferably, the temperature of the roller-type thermal desorption device is set to be 150-650 ℃, and the retention time of the soil in the roller-type thermal desorption device is 15-30 minutes.

Preferably, the temperature of the flue gas pyrolysis furnace is set to be 850-1100 ℃.

Preferably, the auxiliary materials added in the auxiliary material adding device comprise one or more of biomass straws such as corn straws, wheat straws, cotton stalks, rice straws, rice hulls, peanut shells, corncobs, reed stalks and the like.

Preferably, an insulating layer is arranged on the inner wall of the mixing pipe.

The invention has the advantages that: the auxiliary material is earlier through cutting to be the segment form adding to soil and auxiliary material mixing arrangement before, then utilizes the grinding between grinding base station and the casing upper portion, grinds the straw segment into powdered, is favorable to the process of later stage carbonization more, and straw powder after the carbonization will have better absorption slowly-releasing efficiency, is favorable to the decomposition of self more.

The mixing pipe that sets up in soil and auxiliary material mixing arrangement is after smashing into the powder with the auxiliary material, with prosthetic soil mixing's device, is provided with the spiral push rod in the mixing pipe, makes things convenient for soil to move down from soil and auxiliary material mixing arrangement, and at the in-process that removes, also is the stage of mixing, the rotation of spiral push rod self has the efficiency of stirring, and abundant messenger's straw powder mixes with modified soil, reaches the best effect of carbonization.

Drawings

FIG. 1: is a structural schematic diagram of the invention.

FIG. 2: is a structural schematic diagram of the tail gas treatment device.

FIG. 3: is a schematic diagram of the mixing tube structure of the present invention.

FIG. 4: is a structural schematic diagram of the auxiliary material adding device.

FIG. 5: is a schematic diagram of the structure of the bevel gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The upper, lower, left, right, front and rear in this context are all relative to what is shown in FIG. 1.

Example (b):

as shown in fig. 1: a soil organic pollutant remediation device provided with an auxiliary material adding device comprises a soil crushing and screening device 1, a soil conveying belt 2, a feeding hole 3, a thermal desorption roller and cooling device 5, a soil and auxiliary material mixing device 6, a tail gas treatment device 8 and an auxiliary material adding device 7;

the thermal desorption roller and cooling device 5 sequentially comprises a feed hopper 501, a roller thermal desorption device 503 and a cooling device 506 from top to bottom, wherein a combustor 502, an induced draft fan 507 and a heat transfer pipe 504 are arranged in the roller thermal desorption device 503, a cooling fan 505 and a circulating fan 508 are arranged in the cooling device 506, and the feed inlet 3 is communicated with the feed hopper 501;

the soil and auxiliary material mixing device 6 is positioned below the thermal desorption roller and the cooling device 5, and an upper material port of the soil and auxiliary material mixing device 6 is communicated with a lower material port of the thermal desorption roller and the cooling device 5; the lower end of the soil conveyor belt 2 is connected with a material port of the soil crushing and screening device 1, and the upper end of the soil conveyor belt 2 is opposite to the material inlet 3;

as shown in fig. 2: the tail gas treatment device 8 sequentially comprises a flue gas pyrolysis furnace 81, an atomization cooling tower 82, a bag-type dust remover 83 and a gas detection device, wherein the flue gas pyrolysis furnace 81 is respectively communicated with a drum-type thermal desorption device 503 and a soil and auxiliary material mixing device 6 through a branch pipe 4;

as shown in fig. 3: the soil and auxiliary material mixing device 6 is a rectangular box body 61, a mixing pipe 62 is arranged on the bottom surface of the box body 61, the top surface of the box body 61 is communicated with a cooling device 506, a flue gas outlet and an auxiliary material inlet are respectively arranged on the side surface of the box body 61, the upper end of the mixing pipe 62 is communicated with the bottom surface of the box body 61, a discharge pipe 63 is arranged at the lower end of the mixing pipe 62, a first motor 64 is further arranged right below the mixing pipe 62, a spiral pushing rod 65 is arranged in the mixing pipe 62, the upper end of the spiral pushing rod 65 is rotatably connected with the top surface of the box body 61, and the lower end of the spiral pushing rod 65 is in transmission fit with the first motor 64;

as shown in fig. 4: the auxiliary material adding device 7 sequentially comprises a second motor 71, a crushing box 72, a grinding device and a material containing hopper 74 from top to bottom, the upper end of the crushing box 72 is open, the lower end of the crushing box 72 is funnel-shaped, the grinding device comprises a shell 73 and a grinding base station 75, the upper part of the shell 73 is funnel-shaped, the lower part of the shell 73 is funnel-shaped, the grinding base station 75 is cone-shaped, the conical surface of the grinding base station 75 is attached to the inner side surface of the upper part of the shell 73, and the conical surface of the grinding base station 75 and the inner side surface of the upper part of the shell 73 are frosted; a main shaft 76 and a plurality of auxiliary shafts 77 are arranged in the crushing box 72, the upper end of the main shaft 76 is in transmission fit with the second motor 71, the lower end of the main shaft 76 is in transmission fit with the conical top of the grinding base 75, and two ends of the auxiliary shafts 77 are respectively in rotation fit with the side wall of the crushing box 72, as shown in fig. 5: a plurality of auxiliary shafts 77 are in transmission fit with the main shaft 76 through bevel teeth 78, and a plurality of blades 79 are arranged on the auxiliary shafts 77; a supporting rod 741 is further arranged between the circular bottom surface of the grinding base station 75 and the material containing hopper 74, a buffer spring 742 is arranged at the joint of the upper end of the supporting rod 741 and the bottom surface of the grinding base station 75, the lower end of the supporting rod 741 is fixedly connected with the inner bottom surface of the material containing hopper 74, a pushing fan 743 is arranged on one side inside the material containing hopper 74, and the other side inside the material containing hopper 74 is communicated with the box body 61 through a material conveying pipe 744.

Soil crushing and screening device smashes and sieves soil, then passes through soil conveyer belt and soil business turn over material conveying motor, sends into separator with organic pollutant and soil, separator includes feeder hopper, drum-type thermal desorption device and soil cooling device, drum-type thermal desorption device include combustor, draught fan and heat-transfer pipe, drum-type thermal desorption device temperature sets up between 150 ~ 650 ℃, soil is 15 ~ 30 minutes at drum-type thermal desorption device's dwell time, soil gets into soil cooling device after thermal desorption device, waste gas gets into flue gas pyrolysis stove, soil cooling device inside be provided with cooling fan and air circulation fan.

The tail gas absorption part comprises a flue gas pyrolysis furnace, an atomization cooling tower, a bag-type dust collector and a gas detection device, tail gas generated after soil passes through the drum-type thermal desorption device sequentially enters the flue gas pyrolysis furnace, the atomization cooling tower and the bag-type dust collector, and is finally discharged into the atmosphere after being detected to reach the standard by the gas detection device, wherein the temperature of the flue gas pyrolysis furnace is set between 850 and 1100 ℃;

the auxiliary material adding device is mainly a crushing box for crushing straws, a main shaft and an auxiliary shaft are arranged in the crushing box, a plurality of blades are arranged on the auxiliary shaft, and auxiliary materials can be corn straws, wheat straws, cotton stalks, rice straws, rice hulls, peanut shells, corncobs, reed stalks and other agricultural crops serving as raw materials.

The auxiliary material is adding before cooling device, smash through the overlapping of blade earlier, be the segment form, then utilize the grinding between grinding base station and the casing upper portion, grind straw segment into powdered, be favorable to the process of later stage carbonization more, straw powder after the carbonization will have better absorption slowly-releasing efficiency, be favorable to the decomposition of self more, still be provided with bracing piece and buffer spring below the grinding base station 75 wherein, make to grind the base station and belong to and have unsteady possibility, avoid hard contact, protected the machine.

The compounding pipe that sets up in soil and auxiliary material mixing arrangement, after smashing into the powder with the auxiliary material, with prosthetic soil mixing's device, be provided with spiral push rod in the compounding pipe, make things convenient for soil to move down from soil and auxiliary material mixing arrangement, at the in-process that removes, also be the stage of mixing, the rotation of spiral push rod self has the efficiency of stirring, abundant messenger's straw powder mixes with modified soil, reach the best effect of carbonization, the heat preservation of the inner wall setting of compounding pipe can prevent that the temperature from reducing too fast, also can carry out the process of carbonization in the compounding pipe.

The specification of the soil after the soil is crushed and sieved by the soil crushing and sieving device 1 is 0.25 mm-0.7 mm in particle size.

The temperature of the drum-type thermal desorption device 503 is set to be 150-650 ℃, and the retention time of the soil in the drum-type thermal desorption device 503 is 15-30 minutes.

The temperature of the flue gas pyrolysis furnace 81 is set to be 850-1100 ℃.

The auxiliary materials added in the auxiliary material adding device 7 comprise one or more of corn straws, wheat straws, cotton stalks, rice straws, rice husks, peanut shells, corncobs and reed stalks.

The soil remediation device for organic pesticide contamination according to claim 1, wherein: an insulating layer 621 is arranged on the inner wall of the mixing pipe 62.

The device can be used for the treatment and restoration of volatile organic compounds TVOCs, boiling point 50-260 ℃, semi-volatile organic compounds SVOCs, boiling point 170-350 ℃ and pesticides even high boiling point chlorinated compounds such as PCBs, dioxins and furans which can permanently pollute the soil. Besides soil, the method can also be used for treating and repairing media such as sludge, sediment, silt and the like.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (6)

1. The utility model provides a be provided with soil organic pollutant repair equipment that auxiliary material added device which characterized in that: the device comprises a soil crushing and screening device (1), a soil conveying belt (2), a feeding hole (3), a thermal desorption roller and cooling device (5), a soil and auxiliary material mixing device (6), a tail gas treatment device (8) and an auxiliary material adding device (7);
the thermal desorption roller and cooling device (5) sequentially comprises a feed hopper (501), a roller type thermal desorption device (503) and a cooling device (506) from top to bottom, a combustor (502), an induced draft fan (507) and a heat transfer pipe (504) are arranged in the roller type thermal desorption device (503), a cooling fan (505) and a circulating fan (508) are arranged in the cooling device (506), and the feed inlet (3) is communicated with the feed hopper (501);
the soil and auxiliary material mixing device (6) is positioned below the thermal desorption roller and the cooling device (5), and an upper material port of the soil and auxiliary material mixing device (6) is communicated with a lower material port of the thermal desorption roller and the cooling device (5); the lower end of the soil conveying belt (2) is connected with a material port of the soil crushing and screening device (1), and the upper end of the soil conveying belt (2) is opposite to the material inlet (3);
the tail gas treatment device (8) sequentially comprises a flue gas pyrolysis furnace (81), an atomization cooling tower (82), a bag-type dust remover (83) and a gas detection device, wherein the flue gas pyrolysis furnace (81) is respectively communicated with a drum-type thermal desorption device (503) and a soil and auxiliary material mixing device (6) through a branch pipe (4);
the soil and auxiliary material mixing device (6) is a rectangular box body (61), a mixing pipe (62) is arranged on the bottom surface of the box body (61), the top surface of the box body (61) is communicated with a cooling device (506), a flue gas outlet and an auxiliary material inlet are respectively arranged on the side surface of the box body (61), the upper end of the mixing pipe (62) is communicated with the bottom surface of the box body (61), a discharging pipe (63) is arranged at the lower end of the mixing pipe (62), a first motor (64) is further arranged right below the mixing pipe (62), a spiral pushing rod (65) is arranged in the mixing pipe (62), the upper end of the spiral pushing rod (65) is rotatably connected with the top surface of the box body (61), and the lower end of the spiral pushing rod (65) is in transmission fit with the first motor (64);
the auxiliary material adding device (7) sequentially comprises a second motor (71), a crushing box (72), a grinding device and a material containing hopper (74) from top to bottom, the upper end of the crushing box (72) is open, the lower end of the crushing box (72) is funnel-shaped, the grinding device comprises a shell (73) and a grinding base station (75), the upper portion of the shell (73) is funnel-shaped, the lower portion of the shell (73) is funnel-shaped, the grinding base station (75) is cone-shaped, the conical surface of the grinding base station (75) is attached to the inner side face of the upper portion of the shell (73), and the conical surface of the grinding base station (75) and the inner side face of the upper portion of the shell (73) are frosted; a main shaft (76) and a plurality of auxiliary shafts (77) are arranged in the crushing box (72), the upper end of the main shaft (76) is in transmission fit with a second motor (71), the lower end of the main shaft (76) is in transmission fit with the conical top of the grinding base table (75), two ends of each auxiliary shaft (77) are respectively in rotation fit with the side wall of the crushing box (72), the auxiliary shafts (77) are in transmission fit with the main shaft (76) through conical teeth (78), and a plurality of blades (79) are arranged on the auxiliary shafts (77); grind the circular bottom surface of base station (75) with still be provided with bracing piece (741) between flourishing hopper (74), the upper end of bracing piece (741) is provided with buffer spring (742) with grinding base station (75) bottom surface junction, the lower extreme of bracing piece (741) and the inboard bottom surface rigid coupling of flourishing hopper (74), the inside one side of flourishing hopper (74) is provided with propelling movement fan (743), the inside opposite side of flourishing hopper (74) pass through conveying pipeline (744) with box body (61) intercommunication.
2. The soil organic pollutant remediation device provided with the auxiliary material adding device according to claim 1, characterized in that: the specification of the soil after the soil is crushed and sieved by the soil crushing and sieving device (1) is between 0.25mm and 0.7mm in particle size.
3. The soil organic pollutant remediation device provided with the auxiliary material adding device according to claim 1, characterized in that: the temperature of the drum-type thermal desorption device (503) is set to be 150-650 ℃, and the retention time of the soil in the drum-type thermal desorption device (503) is 15-30 minutes.
4. The soil organic pollutant remediation device provided with the auxiliary material adding device according to claim 1, characterized in that: the temperature of the flue gas pyrolysis furnace (81) is set to be 850-1100 ℃.
5. The soil organic pollutant remediation device provided with the auxiliary material adding device according to claim 1, characterized in that: the auxiliary materials added in the auxiliary material adding device (7) comprise one or more of corn straws, wheat straws, cotton stalks, rice straws, rice hulls, peanut shells, corncobs and reed stalks.
6. The soil organic pollutant remediation device provided with the auxiliary material adding device according to claim 1, characterized in that: and a heat-insulating layer (621) is arranged on the inner wall of the mixing pipe (62).
CN201810271054.XA 2018-03-29 2018-03-29 Be provided with soil organic pollutant repair equipment that auxiliary material added device CN108500045B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810271054.XA CN108500045B (en) 2018-03-29 2018-03-29 Be provided with soil organic pollutant repair equipment that auxiliary material added device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810271054.XA CN108500045B (en) 2018-03-29 2018-03-29 Be provided with soil organic pollutant repair equipment that auxiliary material added device

Publications (2)

Publication Number Publication Date
CN108500045A CN108500045A (en) 2018-09-07
CN108500045B true CN108500045B (en) 2020-05-12

Family

ID=63379235

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810271054.XA CN108500045B (en) 2018-03-29 2018-03-29 Be provided with soil organic pollutant repair equipment that auxiliary material added device

Country Status (1)

Country Link
CN (1) CN108500045B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101530858A (en) * 2009-03-18 2009-09-16 环境保护部南京环境科学研究所 Soil pollution thermal desorption restoration processing system
CN104096709A (en) * 2014-07-04 2014-10-15 北京高能时代环境技术股份有限公司 Thermal desorption device for repairing mercury-polluted soil
CN104226681A (en) * 2014-09-17 2014-12-24 杭州大地环保工程有限公司 Device and method for indirect thermal desorption disposal of persistent organic pollutant contaminated soil
CN105234165A (en) * 2015-11-05 2016-01-13 东南大学 Ex-situ oil thermal-desorption method
CN105583220A (en) * 2016-02-25 2016-05-18 北京神雾环境能源科技集团股份有限公司 Soil restoration system and soil restoration method thereof
CN106391688A (en) * 2016-11-14 2017-02-15 北京神雾环境能源科技集团股份有限公司 System and method for restoring organic matter-heavy metal composite polluted soil through straw
CN206276718U (en) * 2016-11-14 2017-06-27 北京神雾环境能源科技集团股份有限公司 A kind of system of utilization stalk repairing organic heavy-metal composite pollution soil

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101530858A (en) * 2009-03-18 2009-09-16 环境保护部南京环境科学研究所 Soil pollution thermal desorption restoration processing system
CN104096709A (en) * 2014-07-04 2014-10-15 北京高能时代环境技术股份有限公司 Thermal desorption device for repairing mercury-polluted soil
CN104226681A (en) * 2014-09-17 2014-12-24 杭州大地环保工程有限公司 Device and method for indirect thermal desorption disposal of persistent organic pollutant contaminated soil
CN105234165A (en) * 2015-11-05 2016-01-13 东南大学 Ex-situ oil thermal-desorption method
CN105583220A (en) * 2016-02-25 2016-05-18 北京神雾环境能源科技集团股份有限公司 Soil restoration system and soil restoration method thereof
CN106391688A (en) * 2016-11-14 2017-02-15 北京神雾环境能源科技集团股份有限公司 System and method for restoring organic matter-heavy metal composite polluted soil through straw
CN206276718U (en) * 2016-11-14 2017-06-27 北京神雾环境能源科技集团股份有限公司 A kind of system of utilization stalk repairing organic heavy-metal composite pollution soil

Also Published As

Publication number Publication date
CN108500045A (en) 2018-09-07

Similar Documents

Publication Publication Date Title
Gwenzi et al. Biochar production and applications in sub-Saharan Africa: opportunities, constraints, risks and uncertainties
Rezania et al. The diverse applications of water hyacinth with main focus on sustainable energy and production for new era: an overview
Witters et al. Phytoremediation, a sustainable remediation technology? Conclusions from a case study. I: Energy production and carbon dioxide abatement
US8407911B2 (en) Process and system for drying and heat treating materials
Vassilev et al. Trace element concentrations and associations in some biomass ashes
Fiorentino et al. Assisted phytoextraction of heavy metals: compost and Trichoderma effects on giant reed (Arundo donax L.) uptake and soil N-cycle microflora
KR101315807B1 (en) Production of Refuse Derived Fuel and Treatment of Biomass with zero discharge system Using Microbial Materials
Prasertsan et al. Biomass residues from palm oil mills in Thailand: an overview on quantity and potential usage
US7617617B2 (en) Process and apparatus for manufacture of fertilizer products from manure and sewage
CN102218446B (en) Thermal desorption method for contaminated soil
JP5495346B2 (en) Sludge solid fuel plant
CN204093828U (en) A kind of persistent organism contaminated soil indirect thermal desorption disposal plant
Li et al. Heavy metal characterization of circulating fluidized bed derived biomass ash
CN102327888B (en) Municipal domestic waste resource recovery processing method with zero pollution, zero release and harmlessness
Kavitha et al. Empty fruit bunch-a potential organic manure for agriculture
CN104830397A (en) Compound high-temperature environment-friendly biomass fuel and preparation method thereof
CN103934253B (en) Household garbage complete recycling harmless comprehensive processing method
CN103658157B (en) Solid waste homogeneous modification gasification clean electric power generation processing method
US20110113841A1 (en) Process and apparatus for manufacture of fertilizer products from manure and sewage
US7052902B2 (en) Continuously operational biological reactor
Sander et al. Ash from cereal and rape straw used for heat production: liming effect and contents of plant nutrients and heavy metals
JP2011105816A (en) Solid fuel-forming plant from sludge
CN104445187A (en) Method for recycling waste crop straw
CN101758059B (en) Garbage and sludge high pressure themolysis processing method, system and application thereof
CN105665410A (en) Household garbage fine separation and complete recycling comprehensive treatment process

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant