CN112238134A

CN112238134A - Soil remediation thermal desorption barrel

Info

Publication number: CN112238134A
Application number: CN202011009093.6A
Authority: CN
Inventors: 刘俊燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-01-19

Abstract

The invention relates to the field of soil remediation thermal desorption equipment, and discloses a soil remediation thermal desorption barrel, which comprises a barrel body supported and fixed by a support, wherein a feeding pipe is arranged on one side of the top of the barrel body, a discharging pipe is arranged on the other side of the bottom of the barrel body, the barrel body inclines downwards towards the discharging pipe, positioning rotating shafts are movably sleeved in the middle parts of two sides of the barrel body, and one ends of the two positioning rotating shafts are respectively and fixedly connected with a rotating plate positioned in the barrel body. This thermal desorption barrel is restoreed to soil, the support supports fixedly to the barrel to by rotor plate in the barrel, the conducting bar wholly carries out clockwise rotation, the barrel openly gets into the structural design of high temperature flue gas heating soil, the soil of treating thermal treatment is turned over on by the inner wall of six conducting bar cooperation barrels is not stopped, directly blow to the soil that the conducting bar moved and turned over, when to soil direct heating, still be convenient for utilize flue gas output's pressure, blow off soil, so that soil is heated evenly.

Description

Soil remediation thermal desorption barrel

Technical Field

The invention relates to the field of soil remediation thermal desorption equipment, in particular to a soil remediation thermal desorption cylinder.

Background

Soil thermal desorption is that high temperature passes through heating soil, makes the process of the organic pollutant volatile separation in the soil, and when current soil thermal desorption was handled, the thermal desorption cylinder was used commonly to, utilizes the burning of combustor group to produce the high temperature flue gas to carry the high temperature flue gas to the cylinder in, the cylinder rotation drives soil and stirs, and the high temperature flue gas heats soil, makes the organic pollutant in the soil volatilize, thereby carries out repairing to the soil that pollutes.

However, current sudden thermal desorption handles and uses the cylinder, high temperature flue gas flows to the opposite side by cylinder one side, and soil is the same so, this makes, flue gas after heating soil is longer at the interior flow distance of cylinder, along with going on of heat transfer, flue gas temperature reduces, lead to volatilizing organic pollutant to condense at flue gas exhaust end easily, thereby influence soil thermal desorption effect, and because some soil have certain stickness, the agglomeration that bonds easily, make inside soil be heated unevenly, lead to thermal desorption effect relatively poor.

Disclosure of Invention

The invention provides a soil remediation thermal desorption cylinder, which has the advantages of uniform soil heating and good thermal desorption effect, and solves the technical problems in the background art.

In order to achieve the above purpose, the invention provides the following technical scheme to realize: a soil remediation thermal desorption barrel comprises a barrel body which is supported and fixed by a support, wherein a feeding pipe is arranged on one side of the top of the barrel body, a discharging pipe is arranged on the other side of the bottom of the barrel body, the barrel body inclines downwards towards the discharging pipe, positioning rotating shafts are movably sleeved in the middle of two sides of the barrel body, one ends of the two positioning rotating shafts are respectively and fixedly connected with rotating plates which are positioned in the barrel body, six guide strips which are piled up to be distributed are fixedly connected between the two rotating plates, the outer sides of the guide strips are attached to the inner wall of the barrel body, the height of the guide strips which are positioned at the barrel body is uniformly reduced from left to right, a positioning through pipe is fixedly connected in the middle of the two rotating plates, a smoke inlet groove is formed in the top of the positioning through pipe, a blocking cover which is positioned above the positioning through pipe is, the positive middle part of case that flow equalizes is led to and is had defeated tobacco pipe, the one end that defeated tobacco pipe kept away from the case that flow equalizes is equipped with the combustor group, the smoke guide groove has been seted up at the positive middle part of barrel, and is equipped with the metal mesh that is located the smoke guide groove outside on the barrel, the one end fixedly connected with orientation smoke guide groove one side of location siphunculus and fender cover closing plate, and the both ends of closing plate respectively with two rotor plate fixed connection, one the side of rotor plate is led to have and is led the tobacco pipe communicating with the location siphunculus, and the side of barrel is equipped with the exhaust pipe that is located smoke.

Optionally, the outside of rotor plate cup joints with the inner wall activity of barrel, and the outside of rotor plate laminates completely with the inner wall of barrel, two the rotor plate is located the outside of filling tube and row's material pipe respectively.

Optionally, the height of conducting bar is between one third to the quarter of barrel inner chamber radius, and the thickness value of conducting bar is evenly reduced to the centre by the barrel inner wall, six fixed cover is equipped with the location rib of a plurality of equidistance arrangements between the conducting bar, and the inner wall contactless of location rib and barrel.

Optionally, the shape of the blocking cover is a semicircular pipe, and the blocking cover completely covers the smoke inlet groove.

The invention provides a soil remediation thermal desorption cylinder which has the following beneficial effects:

1. this thermal desorption barrel is restoreed to soil, the support supports fixedly to the barrel, and by the rotor plate in the barrel, the conducting bar wholly carries out clockwise rotation, the barrel openly gets into the structural design of high temperature flue gas heating soil, the soil of treating thermal treatment is turned over on by the inner wall of six conducting bar cooperation barrels is not stopped, directly blow the soil that turns over on the conducting bar moves, when to soil direct heating, still be convenient for utilize flue gas output's pressure, blow off soil, so that soil is heated evenly, thereby thermal desorption effect and efficiency have been improved. .

2. This thermal desorption barrel is restoreed to soil, get into heating soil through flue gas side direction barrel, get into location siphunculus and discharge by the opposite side again, after high temperature flue gas acts on soil, the high temperature flue gas of being convenient for handle soil drives volatilizing organic pollutant and flows out fast, thereby the flow distance of flue gas in the barrel has been reduced, make the flue gas discharge rapidly after carrying out thermal treatment to soil, effectually avoided handling the back through the flue gas, soil volatilizees, the organic matter of separation flows for a long distance along with the flue gas, last heat transfer and temperature reduction, the problem of condensing again at the end, the effect of soil thermal desorption processing has further been improved.

3. According to the soil remediation thermal desorption cylinder, the rotating plate and the guide bars are driven to integrally rotate in the cylinder, so that the soil is turned over on one side of the inner wall of the cylinder, and compared with the existing structure that the cylinder is driven to integrally rotate to turn over the soil, driving energy consumption is effectively saved; meanwhile, the problem that the service life of the soil remediation thermal desorption roller is not long due to the fact that the damage speed of the bearing supporting barrel is easy to accelerate under a high-temperature environment due to the integral structure of the bearing supporting barrel is avoided; and the relative barrel of conducting bar is rotatory, when the conducting bar is rotatory to smoke guide groove department, under flue gas output air pressure, blow off of the soil of being convenient for, effectively prevent soil adhesion on the conducting bar to the problem of the easy adhesion soil of the inner wall of having avoided current soil thermal desorption cylinder, influence follow-up flue gas to soil heating effect has been avoided.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the cartridge of the FIG. 1 construction of the present invention;

FIG. 3 is a side view of the cartridge of the structure of FIG. 1 in accordance with the present invention;

fig. 4 is a schematic view of the conductive bar of the structure of fig. 2 according to the present invention.

In the figure: 1. a barrel; 101. a feed tube; 102. a discharge pipe; 103. a smoke guide groove; 104. a smoke exhaust pipe; 2. positioning the rotating shaft; 3. a rotating plate; 4. conducting bars; 401. positioning the ribs; 5. positioning a through pipe; 501. a smoke inlet groove; 6. a shield; 7. a sealing plate; 8. a flow equalizing box; 801. a metal mesh; 9. a smoke conveying pipeline; 10. a burner group; 11. the motor is driven.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-4, a soil remediation thermal desorption cylinder comprises a cylinder 1 supported and fixed by a support, a feeding pipe 101 is arranged on one side of the top of the cylinder 1, a discharging pipe 102 is arranged on the other side of the bottom of the cylinder 1, the cylinder 1 is inclined downwards towards the discharging pipe 102, positioning rotating shafts 2 are movably sleeved in the middle of two sides of the cylinder 1, one end of each of the two positioning rotating shafts 2 is fixedly connected with a rotating plate 3 positioned in the cylinder 1, six guide strips 4 stacked and distributed are fixedly connected between the two rotating plates 3, the outer sides of the guide strips 4 are attached to the inner wall of the cylinder 1, the heights of the guide strips 4 positioned in the cylinder 1 are uniformly reduced from left to right, a positioning through pipe 5 is fixedly connected in the middle between the two rotating plates 3, a smoke inlet groove 501 is formed in the top of the positioning through pipe 5, a blocking cover 6 positioned above the positioning through pipe 5, the middle part of the front face of the cylinder body 1 is connected with a flow equalizing box 8 by a flange, the middle part of the front face of the flow equalizing box 8 is communicated with a smoke conveying pipeline 9, one end of the smoke conveying pipeline 9 far away from the flow equalizing box 8 is provided with a burner group 10, the middle part of the front face of the cylinder body 1 is provided with a smoke guide groove 103, the cylinder body 1 is provided with a metal net 801 positioned outside the smoke guide groove 103, one end of a positioning through pipe 5 and one end of a blocking cover 6 are fixedly connected with a sealing plate 7 facing one side of the smoke guide groove 103, two ends of the sealing plate 7 are respectively and fixedly connected with two rotating plates 3, the side face of one rotating plate 3 is communicated with a smoke guide pipe communicated with a positioning through pipe 5, the side face of the cylinder body 1 is provided with a smoke exhaust pipe 104 positioned on one side of the smoke guide pipe, one end of the smoke exhaust pipe 104 is communicated with a smoke pipeline, the feeding pipe 101 is used for adding the crushed soil to be thermally desorbed and the driving motor 11 is used for driving the rotating plate 3 and the conducting bars 4 in the cylinder 1 to rotate clockwise integrally, the burner group 10 is started to generate high-temperature flue gas, so that the six conducting bars 4 are matched with the inner wall of the cylinder 1 to continuously upturn the soil to be thermally treated, the high-temperature flue gas generated by the conducting bars 4 flows through the flow equalizing box 8 and then uniformly enters from the flue gas guiding groove 103 on the front surface of the cylinder 1, the high-temperature flue gas directly blows to the soil driven by the conducting bars 4 to upturn, the soil is directly heated, meanwhile, the pressure output by the flue gas is conveniently utilized to blow the soil, so that the soil is uniformly heated, the thermal desorption effect and efficiency are improved, and the high-temperature flue gas after acting on the soil enters the flue gas inlet groove 501 and the positioning through pipe 5 through the other side of the positioning through pipe 5 to be discharged, thereby reducing the flowing distance, the flue gas is rapidly discharged after the soil is subjected to heat treatment, the problem that after the flue gas treatment, the soil volatilizes and separated organic matters flow for a long distance along with the flue gas, the temperature is reduced due to continuous heat exchange, and the organic matters are condensed again at the tail end is effectively solved, the effect of the soil thermal desorption treatment is further improved, the soil is turned at one side of the inner wall of the cylinder body 1 by driving the rotating plate 3 and the guide bar 4 to integrally rotate in the cylinder body 1, compared with the existing structure for driving the cylinder body 1 to integrally rotate and turn the soil, the driving energy consumption is effectively saved, meanwhile, the integral structure of the bearing supporting cylinder body 1 is avoided, the damage speed is easily accelerated under the high-temperature environment, the problem that the service life of the soil remediation thermal desorption cylinder is not long is caused, and the guide bar 4 rotates relative to the cylinder body 1, when the guide bar 4 rotates to the smoke guide groove 103, being convenient for blow off of soil, effectively preventing soil adhesion on gib 4 to the problem of subsequent flue gas to soil heating effect has been avoided easy adhesion soil of the inner wall of current soil thermal desorption cylinder.

Wherein, the outside of rotor plate 3 cup joints with the inner wall activity of barrel 1, and the outside of rotor plate 3 laminates completely with the inner wall of barrel 1, two rotor plates 3 are located the filling tube 101 respectively and arrange the outside of expecting pipe 102, utilize the inner wall laminating of two rotor plates 3 and barrel 1, make soil get into in the barrel 1 from the filling tube 101, carry out thermal desorption through the high temperature flue gas heating and handle, get rid of behind the organic pollutant in the soil, discharge by arranging expecting pipe 102, and make the high temperature flue gas that smoke guide slot 103 got into get into in the location siphunculus 5 and discharge from the opposite side of barrel 1 inner chamber.

Wherein, conducting bar 4 highly be between the radial third of 1 inner chamber of barrel to the fourth, and conducting bar 4's thickness value is evenly reduced to the centre by barrel 1 inner wall, fixed cover is equipped with the location rib 401 that a plurality of equidistance were arranged between six conducting bar 4, and location rib 401 and barrel 1's inner wall contactless, utilize six conducting bar 4's rotation, cooperation barrel 1 is towards arranging barrel 1 of material pipe 102 lopsidedness, so that soil is when conducting bar 4 is rotatory to be stirred to carry out thermal desorption processing, flow to arranging material pipe 102, thereby be convenient for continuously carry out thermal desorption processing to soil, and then improved the whole work efficiency that thermal desorption was handled is restoreed to soil.

Wherein, the shape that keeps off cover 6 is the semicircle pipe, and keep off cover 6 and cover into smoke groove 501 completely, utilize and keep off sheltering from of cover 6, make the soil that rotates through conducting bar 4 and roll can not fall into location siphunculus 5 in, and the round tube formula keep off cover 6 and be convenient for roll the soil above that and fall into the bottom of barrel 1, and the in-process that falls, the hot flue gas effect that is blown out by leading smoke groove 103 department, the heating efficiency is improved, be convenient for exert pressure to the soil that condenses simultaneously, cooperation location siphunculus 5, keep off cover 6, the side of closing plate 7, so that the soil that condenses blows off, thereby the effect of soil thermal desorption has been ensured.

During working, firstly, the feeding pipe 101 continuously adds the soil to be thermally desorbed, the driving motor 11 is started to drive the rotating plate 3 and the guide strips 4 in the cylinder 1 to rotate clockwise, so that the six guide strips 4 are matched with the inner wall of the cylinder 1 to continuously upturn the soil to be thermally treated, the burner group 10 is started to generate high-temperature flue gas and vertically flow equalizing box 8, the burner group mainly comprises a burner and a conveying fan, the high-temperature flue gas is divided by the flow equalizing box 8 and enters the cylinder 1 from the flue gas guide groove 103 at the metal mesh 801, the high-temperature flue gas directly blows to the guide strips 4 to drive the upturned soil, the soil is directly heated, meanwhile, under the output pressure of the flue gas, the soil is conveniently dispersed, the soil is prevented from blocking the metal mesh 801 and entering the flow equalizing box 8, the flue gas heating the soil flows to the other side of the positioning through pipe 5 and enters the positioning through pipe, and is finally discharged by the smoke discharge pipe 104, and finally discharging the soil after heat treatment through a discharge pipe 102.

It is noted that, herein, relational terms such as first and second, and the like may be 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.

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 soil remediation thermal desorption barrel which characterized in that: the device comprises a fixed barrel (1) supported by a support, wherein a feeding pipe (101) is arranged on one side of the top of the barrel (1), a material discharging pipe (102) is arranged on the other side of the bottom of the barrel (1), the barrel (1) inclines downwards towards the material discharging pipe (102), a positioning rotating shaft (2) is movably sleeved in the middle of two sides of the barrel (1), two rotating plates (3) are fixedly connected with one ends of the positioning rotating shaft (2) respectively and located inside the barrel (1), two guide bars (4) are fixedly connected between the rotating plates (3) and stacked to be distributed, the outer sides of the guide bars (4) are laminated with the inner wall of the barrel (1), the height of the guide bars (4) located at the barrel (1) is uniformly reduced from left to right, two guide bars (5) are fixedly connected with the middle between the rotating plates (3), a smoke inlet groove (501) is formed in the top of the positioning guide bars (5, two still fixedly connected with is located the fender cover (6) of location siphunculus (5) top between rotor plate (3), the positive middle part flange joint of barrel (1) has the case (8) that flow equalizes, the positive middle part of case (8) that flow equalizes is led to and is had defeated tobacco pipe (9), the one end that defeated tobacco pipe (9) kept away from the case (8) that flow equalizes is equipped with combustor group (10), leading smoke groove (103) have been seted up at the positive middle part of barrel (1), and be equipped with on barrel (1) and be located the metal mesh (801) of leading smoke groove (103) outside, the location siphunculus (5) and the one end fixedly connected with of fender cover (6) have towards the closing plate (7) of leading smoke groove (103) one side, and the both ends of closing plate (7) respectively with two rotor plate (3) fixed connection, one the side of rotor plate (3) is led to have with the leading, and a smoke exhaust pipe (104) positioned on one side of the smoke guide pipe is arranged on the side surface of the cylinder body (1).

2. The soil remediation thermal desorption barrel of claim 1, wherein: the outside of rotor plate (3) cup joints with the inner wall activity of barrel (1), and the outside of rotor plate (3) laminates completely with the inner wall of barrel (1), two rotor plate (3) are located the outside of filling tube (101) and row material pipe (102) respectively.

3. The soil remediation thermal desorption barrel of claim 1, wherein: the height of conducting bar (4) is between barrel (1) inner chamber radius's third to the fourth, and the thickness value of conducting bar (4) is evenly reduced to the centre by barrel (1) inner wall, six fixed cover is equipped with location rib (401) that a plurality of equidistance were arranged between conducting bar (4), and location rib (401) and the inner wall contactless of barrel (1).

4. The soil remediation thermal desorption barrel of claim 1, wherein: the shape of the blocking cover (6) is a semicircular pipe, and the blocking cover (6) completely covers the smoke inlet groove (501).