CN111014271B - Organic contaminated soil or solid useless preface batch formula thermal desorption processing's prosthetic devices - Google Patents
Organic contaminated soil or solid useless preface batch formula thermal desorption processing's prosthetic devices Download PDFInfo
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- CN111014271B CN111014271B CN202010041709.1A CN202010041709A CN111014271B CN 111014271 B CN111014271 B CN 111014271B CN 202010041709 A CN202010041709 A CN 202010041709A CN 111014271 B CN111014271 B CN 111014271B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
- B09C1/065—Reclamation of contaminated soil thermally by pyrolysis
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Abstract
The invention discloses a repairing device for organic contaminated soil or solid waste sequencing batch thermal desorption treatment, which comprises a base, wherein the base is sequentially provided with a heating cabin, a first hydraulic oil cylinder, an L-shaped arm and a second hydraulic oil cylinder from front to back; the first hydraulic oil cylinder is arranged on the base in a forward inclining manner; the vertical arm of the L-shaped arm is hinged on the base, a second hydraulic oil cylinder is arranged between the vertical arm and the base, the horizontal arm of the L-shaped arm extends forwards to the position above the heating cabin, an extraction pipeline is arranged in the horizontal arm, a sealing cover which is in sealing fit with the heating cabin is arranged on the lower side of the front end of the horizontal arm, an extraction gas distribution layer is contained in the sealing cover, and harmful gas and dust are collected and conveyed to the tail gas end to be subjected to harmless treatment by the extraction gas distribution layer; the base is also provided with a control cabinet which is electrically connected with each unit. The invention has high automation degree, adopts a sequencing batch heating mode, and realizes the win-win of restoration effect and economy by optimizing the heating temperature and time.
Description
Technical Field
The invention relates to the field of polluted soil or solid waste remediation, in particular to a remediation device for organic polluted soil or solid waste by sequencing batch thermal desorption treatment.
Background
At present, thermal desorption treatment devices for polluted soil or solid waste, particularly polluted soil or solid waste which is difficult to treat by traditional remediation processes of polycyclic aromatic hydrocarbon, pesticide, petroleum hydrocarbon and the like, mainly comprise forms of cement kilns, direct thermal desorption rotary kilns, indirect thermal desorption rotary kilns (or screws), heating heaps, heating boxes and the like.
The cement kiln mainly comprises the steps of adding polluted soil or solid waste into raw materials as raw materials in the cement production process, and realizing high-temperature degradation of pollutants in a high-temperature calcination stage. The cement kiln has high treatment efficiency and good effect, and does not have the problem of subsequent treatment. In addition, the device is greatly limited by the environmental protection improvement degree of cement enterprises and hard conditions such as the distribution of cement plant areas, and the disposal is not flexible enough.
Kiln body type direct thermal desorption and indirect thermal desorption equipment is mainstream repair equipment in the field of heat treatment at present, has the characteristics of skid-mounted type, continuity and the like, and is widely applied. However, the adjustable range of the residence time of the equipment is limited, and particularly when high-boiling-point pollutants are treated, the repair effect can be enhanced only by increasing the temperature and increasing the energy consumption due to the problem of the upper limit of the residence time. When the compound is difficult to desorb, such as pesticide and PCB, the treatment effect is limited. In addition, the mode of heating the kiln body is adopted, the materials rotate along with the kiln body in the kiln body to generate turning movement, the dust yield is high, and the difficulty and the load of rear-end tail gas treatment are increased. The indirect thermal desorption equipment also adopts a spiral conveying mode, the conveying mode can avoid the problem of large dust raising quantity, but the length and the diameter of a spiral body are limited due to the limitation of a manufacturing process, and the productivity is lower. In addition, the problems of shaft seizing, blockage and the like easily occur when the screw conveying is collided with high-viscosity materials.
The heating time problem can be solved to sequence batch heating mode such as heating heap and heating cabinet, but because the construction that needs cooperation heating rod and extraction well, capital construction and heating preparation cycle are too long, and need great place, and equipment automation and integrated degree are low.
Disclosure of Invention
The invention aims to provide a repairing device for organic contaminated soil or solid waste sequencing batch thermal desorption treatment, which solves the technical problems of poor thermal desorption treatment effect, low equipment automation and integration degree, large regional limitation and inflexible disposal of the traditional device.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a repair device for organic contaminated soil or solid waste sequencing batch thermal desorption treatment comprises a base, wherein the base is sequentially provided with a heating cabin, a first hydraulic oil cylinder, an L-shaped arm and a second hydraulic oil cylinder from front to back, mounting arms are arranged on the left side and the right side of the front end of the base, the heating cabin is a cylinder body with an open top end, connecting wing plates are correspondingly arranged on the left side and the right side of the heating cabin, the front end of each connecting wing plate is hinged to the corresponding mounting arm, the rear end of each connecting wing plate is in driving connection with the telescopic end of the first hydraulic oil cylinder, and a stirring device is arranged in each connecting wing plate;
the first hydraulic oil cylinder inclines forwards and is fixedly arranged on the base; the vertical arm of the L-shaped arm is hinged to the base, a second hydraulic cylinder is further arranged between the rear side face of the vertical arm and the base, the horizontal arm of the L-shaped arm extends forwards to the position above a barrel opening of the heating cabin, an extraction pipeline is arranged inside the horizontal arm, a sealing cover is fixedly arranged on the lower side face of the front end of the horizontal arm and is in sealing fit with the heating cabin, the heating cabin is integrally in an inverted funnel shape, a feeding hole and an observation hole are formed in the top of the heating cabin, an automatic opening and closing cover plate which is electrically connected with the control cabinet is arranged on the feeding hole, the cover plate is made of a plastic grid, an extraction gas distribution layer is arranged in the sealing cover, the extraction gas distribution layer is connected with the tail gas treatment end through the extraction pipeline, and volatile harmful gases and dust are collected and subjected to harmless treatment under the negative pressure power of the tail gas treatment end;
the heating cabin comprises a pot-shaped inner container, a heating cavity and a column-shaped outer barrel which are nested from inside to outside, and the front end of the pot-shaped inner container is provided with a discharging guide groove;
the heating cavity is arranged at the bottom of the columnar outer cylinder in a funnel shape, an electromagnetic heating coil or a gas stove plate arranged in a quincunx shape is arranged in the heating cavity, when the electromagnetic heating coil is arranged in the heating cavity, the pot-shaped inner container, the heating cavity and the columnar outer cylinder are fixed together, and the connecting wing plates are fixed at two sides of the columnar outer cylinder; when a gas stove plate is arranged in the heating cavity, the pot-shaped inner container is separated from the heating cavity and the column-shaped outer barrel, the heating cavity and the column-shaped outer barrel are fixed on the base, and the connecting wing plates are fixed on two sides of the pot-shaped inner container;
the stirring device comprises a stirring motor and a planetary stirring device which are arranged on the lower side face of the front end of a horizontal arm of the L-shaped arm, the output end of the stirring motor is provided with a stirring motor turntable, the planetary stirring device is arranged on the stirring motor turntable in an angle mode, the planetary stirring device comprises a stirring connecting rod and a stirring scraping brush, the stirring scraping brush is fixed on the stirring connecting rod in a mode that a planet revolves around the sun, and the stirring connecting rod and the stirring scraping brush carry out scraping operation along the pot wall at different positions in a pot-shaped inner container along an irregular circular operation track under the power action of the stirring motor turntable to drive polluted soil or solid waste to continuously turn up and down along one direction in the pot, so that each part of soil or solid waste is ensured to be fully contacted with the pot body, and the heating efficiency is improved;
and the base is also provided with a control cabinet which is respectively and electrically connected with the first hydraulic cylinder, the second hydraulic cylinder, the stirring device and the extraction gas distribution layer.
Preferably, the heating cabin is provided with a fixed hoop corresponding to the front side face of the vertical arm of the L-shaped arm, so that the stability of the heating cabin in the stirring process is ensured.
Preferably, the air compressors of the first hydraulic cylinder and the second hydraulic cylinder, the cooling fan and part of transmission cables for connecting the components are all arranged on the base, so that the overall safety of the device is enhanced and the outer side of the device is sealed by the box body in order to avoid interference of the power components.
Preferably, the bottom surface of the base is vertically provided with a fixed support leg which can be fixed on a preset terrace or a concrete structure through a bolt.
Compared with the prior art, the invention has the beneficial effects that:
1. the heating mode of the pot-shaped inner container and the planetary stirring device is adopted, the heating efficiency is high, the heated desorption effect of the materials is good, and the requirement on the materials is relatively low;
2. the appropriate heating energy can be selected according to the characteristics of pollutants, the heating temperature requirement, the site conditions and the like, and the universality is strong;
3. by adopting a sequencing batch thermal desorption heating mode and according to the pollution characteristics of different polluted media, the economic nature of restoration is considered on the premise of realizing harmless treatment by infinitely optimizing the configuration of heating temperature and retention time, the win-win situation of environment and economy is realized, and the practicability is higher;
4. the equipment has high integration level and automation degree, is simple and convenient to operate, can be arrayed and used for multiple times, and realizes industrial treatment.
Drawings
The foregoing and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the following detailed description, taken in conjunction with the accompanying drawings, which are included by way of illustration and not by way of limitation, and in which, for purposes of clarity, some features are not shown, and in which:
FIG. 1 is a schematic view of the overall structure of a remediation device for organic contaminated soil or solid waste by sequencing batch thermal desorption treatment according to the present invention;
FIG. 2 is a schematic view of the overall structure of a repair device for organic contaminated soil or solid waste sequencing batch thermal desorption treatment according to the present invention after the removal of the sealing cover;
FIG. 3 is a right side view of the repairing device for organic contaminated soil or solid waste sequencing batch thermal desorption treatment according to the present invention with the sealing cover removed;
FIG. 4 is a schematic structural diagram of an electromagnetic heating coil of a repair device for organic contaminated soil or solid waste sequencing batch thermal desorption treatment according to the present invention;
fig. 5 is a schematic structural diagram of a gas stove plate of a repair device for organic contaminated soil or solid waste sequencing batch thermal desorption treatment according to the invention.
Reference numerals: 1-base, 101-box, 102-fixed support leg, 2-heating cabin, 201-pot type inner container, 202-heating cavity, 203-electromagnetic heating coil, 204-gas furnace disc, 205-column type outer cylinder, 206-discharging guide groove, 207-connecting wing plate, 3-sealing cover, 301-feeding hole, 302-cover plate, 303-observation hole, 4-L type arm, 401-extraction pipeline, 5-first hydraulic oil cylinder, 6-second hydraulic oil cylinder, 7-stirring motor turntable, 8-planetary stirring device, 9-fixed clamp and 10-control cabinet.
Detailed Description
Hereinafter, an embodiment of a remediation device for organic contaminated soil or solid waste sequencing batch thermal desorption treatment according to the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "front", "back", "left", "right", "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention. Preferred embodiments of the present invention are described in further detail below with reference to FIGS. 1-5:
as shown in fig. 1-3, the preferred repair device for organic contaminated soil or solid waste sequencing batch thermal desorption treatment of the present invention comprises a base 1, wherein the base 1 is sequentially provided with a heating chamber 2, a first hydraulic oil cylinder 5, an L-shaped arm 4 and a second hydraulic oil cylinder 6 from front to back, the heating chamber 2 is a cylinder with an open top end, and comprises a pot-shaped inner container 201, a heating chamber 202 and a column-shaped outer cylinder 205 which are nested from inside to outside, the pot-shaped inner container 201 is formed by forging 304 stainless steel at one time, the surface is flat and smooth, the heat conduction efficiency is high, the temperature is rapidly raised, the diversion of materials after thermal desorption treatment is facilitated, the front end of the pot-shaped inner container 201 is provided with a discharge guide groove 206, the discharge guide groove 206 is arranged above a matched conveying belt and is used in cooperation with the conveying belt, the heating chamber 202 is arranged at the bottom of the column-shaped outer cylinder 205 in a funnel shape, and is mainly used for installation and fixation of a heating component and related line fittings, the electromagnetic heating coil 203 or the gas stove plate 204 can be selectively installed as a heating device according to the characteristics of pollutants, the heating temperature requirement, the site condition and the like, as shown in fig. 4, the electromagnetic heating coil 203 heats the pot-shaped inner container 201 in an electromagnetic heating mode, the electromagnetic heating temperature is quickly raised, the energy utilization rate is high (more than 95 percent), the energy is saved, the environment is protected, and the maximum heating temperature can reach 500 plus 600 ℃; as shown in fig. 5, the quincunx gas furnace plate 204 heats the pot-shaped inner container 201 in a gas heating manner, the gas heating control is flexible, the heating temperature is high, the highest temperature can reach 800-; when the heating cavity 202 is a gas stove plate 204, the pot-shaped inner container 201 is separated from the heating cavity 202 and the column-shaped outer barrel 205, the heating cavity 202 and the column-shaped outer barrel 205 are fixed on the base 1, the connecting wing plates 207 are fixed on two sides of the pot-shaped inner container 201, and the pot-shaped inner container 201 is lifted around the hinge shaft under the action of the first hydraulic oil cylinders 5 on the two sides;
in order to facilitate the jacking operation, the first hydraulic oil cylinder 5 inclines forwards and is fixedly arranged on the base 1;
the vertical arm of the L-shaped arm 4 is hinged on the base 1, a second hydraulic cylinder 6 is further arranged between the rear side face of the vertical arm and the base 1, the horizontal arm extends forwards to the position above a cylinder opening of the heating cabin 2, an extraction pipeline 401 is arranged in the horizontal arm, a sealing cover 3 is fixedly arranged on the lower side face of the front end of the horizontal arm, the sealing cover 3 is in sealing fit with the heating cabin 2 and internally contains an extraction cloth gas layer, the extraction cloth gas layer is connected with a tail gas treatment end through the extraction pipeline 401, volatile harmful gas and dust are collected under the negative pressure power of the tail gas treatment end and are subjected to innocent treatment, in order to facilitate feeding, the sealing cover 3 is provided with a feeding port 301, the feeding port 301 is connected with a matched automatic feeding machine, an automatic opening and closing cover plate 302 which is electrically connected with the control cabinet 10 is arranged on the feeding port, the cover plate 302 is automatically opened during feeding, after the feeding is completed, the cover plate 302 is automatically closed, and the cover plate 302 is made of a plastic grid, air can be supplemented into the cabin body in an extraction state, a micro negative pressure state in the cabin body is maintained, the faults of a rear-end extraction system and a lifting device caused by high vacuum degree in the cabin due to extraction are avoided, and the sealing cover 3 is further provided with an observation hole 303, so that the observation of the internal heating condition under an emergency condition is facilitated;
in order to improve the heating efficiency, a stirring device is arranged on the lower side surface of the front end of the horizontal arm of the L-shaped arm 4, the stirring device comprises a stirring motor and a planetary stirring device 8, the stirring motor can adjust the rotating speed according to the stirring requirement, the general interval is 10-60 r/min, the output end of the stirring motor is provided with a stirring motor turntable 7, the planetary stirring device 8 is arranged on the stirring motor turntable 7 in an angle mode, the planetary stirring device 8 comprises a stirring connecting rod and a stirring scraping brush, the stirring scraping brush is fixed on the stirring connecting rod according to the mode that a planet revolves around the sun, the stirring connecting rod and the stirring scraping brush carry out scraping operation at different positions along the pot wall in the pot-shaped inner container 201 under the power action of the stirring motor turntable 7, the polluted soil or the solid waste is driven to continuously turn up and down along one direction in the pot, and the full contact of each part of the soil or the solid waste with the pot body is ensured, the heating efficiency is improved, in order to ensure the stability of the heating cabin 2 in the stirring process, the front side surfaces of the heating cabin 2 and the vertical arm of the L-shaped arm 4 are correspondingly provided with fixing clamps 9, and in the stirring process, the fixing clamps 9 are mutually buckled to stably fix the heating cabin 2 on the base 1;
the base 1 is also provided with a control cabinet 10 which is respectively electrically connected with the first hydraulic oil cylinder 5, the second hydraulic oil cylinder 6, the stirring device and the extraction gas distribution layer, the control cabinet 10 mainly comprises a control panel, a display screen, a touch button, a microcomputer and the like, controls the operations of feeding, heating, stirring, discharging and the like of each unit of the repairing device for the brain of the whole repairing device, and is matched with other devices matched with the repairing device in a cooperation way;
in order to avoid interference on each power component and enhance the overall safety of the device, the air compressors of the first hydraulic cylinder 5 and the second hydraulic cylinder 6, the cooling fan and part of transmission cables for connecting each component are all arranged on the base 1, and the outer sides of the air compressors and the cooling fan are sealed by a box body 101;
the bottom surface of the base 1 is vertically provided with a fixed support leg 102, and the fixed support leg can be fixed on a preset terrace or a concrete structure through a bolt, so that the stability of the device is further improved.
The method comprises the following specific operation steps:
the method comprises the following steps: resetting all units of the device to ensure that the pot-shaped inner container 201 is closed, feeding by using an automatic feeding machine through a feeding hole 301 of a sealing cover 3 at the top of the cabin body, feeding 2 tons each time for about 5-10 minutes, automatically opening a cover plate 302 at the top of the feeding hole 301 during feeding, and automatically closing the cover plate 302 after feeding is completed;
step two: after feeding is finished, the heating, stirring and extracting system enters a normal running state, materials in the pot-shaped inner container 201 are turned over along the bottom, the wall and the edge of the pot body under the action of the planetary stirring device 8, are in close contact with the heated pot body and are uniformly heated, the pollutants desorbed by heating are extracted to a tail gas treatment end under the negative pressure condition manufactured by an extracting gas distribution layer for harmless treatment, and the heating time of each batch is determined according to the conditions of heating temperature, pollutant properties and the like;
step three: after thermal desorption treatment of each batch of materials is completed, the sealing cover 3 and the planetary stirring device 8 are driven by the L-shaped arm 4 and the second hydraulic cylinder 6 to turn backwards and lift together to provide a space for the turning-over and blanking of the pot-shaped liner 201, the pot-shaped liner 201 is turned forwards under the action of the first hydraulic cylinder 5, the treated materials are uniformly poured on a conveying belt of horizontal material conveying equipment to enter a subsequent unit, the sealing cover 3 is right opposite to the horizontal transmission device after being lifted, an extraction gas distribution layer can play a role similar to a smoke exhaust ventilator, and dust generated in the discharging process is collected and treated;
step four: after the dumping and discharging are finished, the heating cabin 2 and the sealing cover 3 are reset in sequence and enter the next processing batch.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides a prosthetic devices that formula thermal desorption was handled is criticized to organic contaminated soil or solid useless, its characterized in that: the heating device comprises a base (1), wherein a heating cabin (2), a first hydraulic oil cylinder (5), an L-shaped arm (4) and a second hydraulic oil cylinder (6) are sequentially arranged on the base (1) from front to back, mounting arms are arranged on the left side and the right side of the front end of the base, the heating cabin (2) is a cylinder body with an open top end, connecting wing plates (207) are correspondingly arranged on the left side and the right side of the heating cabin, the front end of each connecting wing plate (207) is hinged to the corresponding mounting arm, the rear end of each connecting wing plate is in driving connection with the telescopic end of the first hydraulic oil cylinder (5), and a stirring device is arranged in each connecting wing plate;
the first hydraulic oil cylinder (5) inclines forwards and is fixedly arranged on the base (1); the vertical arm of L type arm (4) articulates on base (1), still is equipped with second hydraulic cylinder (6) between its vertical arm trailing flank and base (1), and its horizontal arm extends to heating cabin (2) nozzle top forward, and inside extraction pipeline (401) of seting up of horizontal arm, and the fixed sealed lid (3) that are equipped with of horizontal arm front end downside, sealed lid (3) and heating cabin (2) sealed cooperation wholly are the hopper type, and feed inlet (301) and observation hole (303) are seted up to the top, be equipped with automatically opened and close apron (302) with control box (10) electricity is connected on feed inlet (301), apron (302) are made by the plastics gridiron, contain in sealed lid (3) and extract the cloth gas layer, it links to each other with the tail gas processing end through extracting pipeline (401) to extract the cloth gas layer, will volatilize harmful gas under the negative pressure power of tail gas processing end, Collecting dust and performing harmless treatment;
the heating cabin (2) comprises a pot-shaped inner container (201), a heating cavity (202) and a column-shaped outer barrel (205) which are nested from inside to outside, and the front end of the pot-shaped inner container (201) is provided with a discharging guide groove (206);
the heating cavity (202) is arranged at the bottom of the cylindrical outer cylinder (205) in a funnel shape, an electromagnetic heating coil (203) or a gas stove plate (204) arranged in a quincunx shape is arranged in the heating cavity (202), when the electromagnetic heating coil (203) is arranged in the heating cavity (202), the pot-shaped inner container (201), the heating cavity (202) and the cylindrical outer cylinder (205) are fixed together, and the connecting wing plates (207) are fixed at two sides of the cylindrical outer cylinder (205); when a gas furnace disc (204) is arranged in the heating cavity (202), the pot-shaped inner container (201) is separated from the heating cavity (202) and the cylindrical outer cylinder (205), the heating cavity (202) and the cylindrical outer cylinder (205) are fixed on the base (1), and the connecting wing plates (207) are fixed on two sides of the pot-shaped inner container (201);
the stirring device comprises a stirring motor and a planetary stirring device (8), wherein the stirring motor and the planetary stirring device are arranged on the lower side face of the front end of the horizontal arm of the L-shaped arm (4), the output end of the stirring motor is provided with a stirring motor turntable (7), the planetary stirring device (8) is arranged on the stirring motor turntable (7) in an angle mode, the planetary stirring device (8) comprises a stirring connecting rod and a stirring scraping brush, and the stirring scraping brush is fixed on the stirring connecting rod according to the mode that a planet revolves around the sun;
and the base (1) is also provided with a control cabinet (10) which is respectively and electrically connected with the first hydraulic cylinder (5), the second hydraulic cylinder (6), the stirring device and the extraction gas distribution layer.
2. The remediation device of claim 1, wherein the remediation device comprises a thermal desorption unit, and the thermal desorption unit comprises: and the heating cabin (2) is correspondingly provided with a fixed clamp (9) with the front side surface of the vertical arm of the L-shaped arm (4).
3. The remediation device of claim 1, wherein the remediation device comprises a thermal desorption unit, and the thermal desorption unit comprises: the air compressors of the first hydraulic cylinder (5) and the second hydraulic cylinder (6), the cooling fan and part of transmission cables for connecting all components are all installed on the base (1), and the outer sides of the air compressors and the cooling fan are sealed through a box body (101).
4. The remediation device of claim 1, wherein the remediation device comprises a thermal desorption unit, and the thermal desorption unit comprises: the bottom surface of the base (1) is vertically provided with a fixed supporting leg (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010041709.1A CN111014271B (en) | 2020-01-15 | 2020-01-15 | Organic contaminated soil or solid useless preface batch formula thermal desorption processing's prosthetic devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010041709.1A CN111014271B (en) | 2020-01-15 | 2020-01-15 | Organic contaminated soil or solid useless preface batch formula thermal desorption processing's prosthetic devices |
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| CN111014271A CN111014271A (en) | 2020-04-17 |
| CN111014271B true CN111014271B (en) | 2021-10-26 |
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| CN114226430A (en) * | 2021-11-30 | 2022-03-25 | 国网福建省电力有限公司电力科学研究院 | Modularized device based on composite organic matter contaminated soil remediation process |
| CN114602962B (en) * | 2022-01-20 | 2023-05-26 | 北京建工环境修复股份有限公司 | Heating unit, heating method and application of sequencing batch indirect thermal desorption repair system |
| CN114990472B (en) * | 2022-06-28 | 2024-01-30 | 科品(苏州)特殊钢有限公司 | Gas inlet and outlet equipment of gas nitriding furnace |
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| CN107597828A (en) * | 2017-08-29 | 2018-01-19 | 绍兴鑫广科技有限公司 | A kind of soil remediation processing unit and processing method |
| CN208230524U (en) * | 2018-04-02 | 2018-12-14 | 霍耀东 | A kind of novel modularized batch-type vacuum extraction thermal desorption processing system |
| CN108746176A (en) * | 2018-06-07 | 2018-11-06 | 福州立农环保科技有限公司 | A kind of heavy-metal contaminated soil prosthetic device |
| CN208928846U (en) * | 2018-07-30 | 2019-06-04 | 南京康地环保科技有限公司 | A kind of prosthetic appliance of volatile organism contaminated soil |
| CN209547767U (en) * | 2018-12-11 | 2019-10-29 | 武汉市天翼鲜食食品有限公司 | A kind of frying machine |
| CN110193514A (en) * | 2019-07-09 | 2019-09-03 | 北京石油化工学院 | Repair the electronic and intensified by ultrasonic wave mud bioreactor of oily sludge and soil |
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