CN104066816B

CN104066816B - Dry distillation of coal device

Info

Publication number: CN104066816B
Application number: CN201380006554.6A
Authority: CN
Inventors: 中川庆一; 大本节男; 佐藤文昭
Original assignee: Mitsubishi Heavy Industries Ltd
Current assignee: Mitsubishi Heavy Industries Ltd
Priority date: 2012-03-12
Filing date: 2013-02-22
Publication date: 2016-05-18
Anticipated expiration: 2033-02-22
Also published as: AU2015207969A1; CN105602583A; AU2015207969B2; AU2013233525B2; CN105219407A; US20150021158A1; DE112013001397T5; CN104066816A; AU2013233525A1; JP5506841B2; JP2013189554A; WO2013136944A1

Abstract

The invention provides a kind of dry distillation of coal device that can manufacture the destructive distillation charcoal that mercury content is few. dry distillation of coal device possesses destructive distillation device main body (111), this destructive distillation device main body has the inner core (112) that is supplied to dry charcoal (11) and the urceolus (113) that covers inner core, the heated air (1) that utilization is supplied to urceolus generates destructive distillation charcoal (12) and carbonizing gas (21) to the dry charcoal indirect in inner core, possess the contained mercury of inhibition carbonizing gas (21) and suppress mechanism to the mercury absorption of the absorption of destructive distillation charcoal, it is the blast pipe (101) that the gas in inner core is discharged that mercury absorption suppresses mechanism, the length direction substantial middle portion (112a) and the coal heating part that the gas inlet port (101a) of blast pipe (101) are configured in to inner core (112) export the region (D1) between (112c).

Description

Dry distillation of coal device

Technical field

The present invention relates to, by the dry distillation of coal device of the dry dry distillation of coal, be especially applied to brown coal, inferiorIt is useful when the colm (grizzle) that the Porous that bituminous coal etc. are such and moisture are many carries out modification.

Background technology

The many colms (grizzle) of moisture that brown coal, ub-bituminous coal etc. are such, per unit weightCaloric value low, therefore make it be dried to improve the heating of per unit weight by carrying out heat treatedAmount.

The coal reforming apparatus that carries out modification as the colm to such, for example, utilize heated air pairColm indirect is the revolution of external-heat by the destructive distillation device of the indirect mode of its destructive distillationStove (Rotarykiln). Described colm is dried processing and becomes dry at the leading portion of described rotary furnaceCharcoal, this dry charcoal is fed into inner core. Described dry charcoal is become destructive distillation by indirect by destructive distillationCharcoal, discharges this destructive distillation charcoal from described inner core.

Prior art document

Patent documentation

Patent documentation 1: TOHKEMY 2003-176985 communique

Summary of the invention

The problem that invention will solve

But, by above-mentioned destructive distillation, from above-mentioned dry charcoal (colm) produce carbon monoxide,The thermal decomposition gases (carbonizing gas) such as steam, methyl alcohol, tar also produce the trace such as mercury simultaneouslyComposition gas. Above-mentioned rotary furnace be heating part that above-mentioned dry charcoal is heated with by above-mentionedThe discharge portion that destructive distillation charcoal is discharged has the structure of distance, when destructive distillation charcoal moves to described discharge portion by graduallyCool off. The destructive distillation charcoal having cooled off can adsorb the mercury in carbonizing gas, the therefore per unit weight of destructive distillation charcoalThe mercury concentration of amount increases.

In view of above situation, the present invention makes in order to solve above-mentioned problem, and its object is to carryFor a kind of dry distillation of coal device that can manufacture the destructive distillation charcoal that mercury content is few.

For solving the means of problem

The dry distillation of coal device that solves the 1st scheme of above-mentioned problem possesses destructive distillation device main body, this destructive distillation dressPut main body and there is the inner core that is supplied to dry charcoal and the urceolus that covers described inner core, described in utilization is supplied toThe heated air of urceolus generates destructive distillation charcoal and dry to the described dry charcoal indirect in described inner coreHeat up in a steamer gas, described dry distillation of coal device is characterised in that,

Described dry distillation of coal device also possesses low mercury content destructive distillation charcoal and generates mechanism, and this low mercury content is dryHeat up in a steamer that charcoal generates mechanism by suppressing the contained mercury of described carbonizing gas to the absorption of described destructive distillation charcoal orThe described destructive distillation charcoal that has adsorbed described mercury is removed, generated the poor described dry of described mercuryHeat up in a steamer charcoal.

Solve the dry distillation of coal device of the 2nd scheme of above-mentioned problem with the dry distillation of coal device of above-mentioned the 1st schemeFor basis, it is characterized in that, described low mercury content destructive distillation charcoal generates mechanism by described inner coreThe blast pipe that gas is discharged, the gas suction inlet of described blast pipe is configured in the length direction of described inner coreBetween substantial middle portion and the outlet of the coal heating part of being heated by described heated air.

Solve the dry distillation of coal device of the 3rd scheme of above-mentioned problem with the dry distillation of coal device of above-mentioned the 2nd schemeFor basis, it is characterized in that, described dry distillation of coal device has the destructive distillation charcoal row that described destructive distillation charcoal is dischargedGo out mechanism, described dry distillation of coal device also possesses to described destructive distillation charcoal output mechanism supplies with carrying of vector gasBody gas supply mechanism.

Solve the dry distillation of coal device of the 4th scheme of above-mentioned problem with the dry distillation of coal device of above-mentioned the 3rd schemeFor basis, it is characterized in that, described dry distillation of coal device possesses the described heating of discharging from described urceolusThe heated air conveying mechanism that gas is carried to non-active gas feed mechanism.

Solve the dry distillation of coal device of the 5th scheme of above-mentioned problem with the dry distillation of coal device of above-mentioned the 4th schemeFor basis, it is characterized in that, described heated air conveying mechanism possesses: cooling described heated airCooling body, to carried out the purified treatment of purified treatment by the cooled refrigerating gas of described cooling bodyMechanism, will be supplied with to described vector gas by the Purge gas after described purified treatment mechanism purified treatmentThe Purge gas carrier pipe that mechanism carries.

Solve the dry distillation of coal device of the 6th scheme of above-mentioned problem with the dry distillation of coal device of above-mentioned the 1st schemeFor basis, it is characterized in that, described low mercury content destructive distillation charcoal generates mechanism and is located at described destructive distillation dressPut main body leading portion, utilize the described dry charcoal of preheating inner core described in heated air subtend before supplying withIndirect and generate the preheating and drying mechanism of preheating and drying charcoal.

Solve the dry distillation of coal device of the 7th scheme of above-mentioned problem with the dry distillation of coal device of above-mentioned the 6th schemeFor basis, it is characterized in that, utilize described preheating heated air described dry charcoal is heated to 280～350℃。

Solve the dry distillation of coal device of the 8th scheme of above-mentioned problem with the dry distillation of coal device of above-mentioned the 1st schemeFor basis, it is characterized in that, described dry distillation of coal device has the destructive distillation charcoal row that described destructive distillation charcoal is dischargedGo out mechanism, described low mercury content destructive distillation charcoal generates mechanism to be possessed: grading plant, it will be from described dryThe described destructive distillation charcoal that heats up in a steamer the discharge of charcoal output mechanism is classified as big or small meal destructive distillation more than regulation particle diameterCharcoal and the big or small micro mist destructive distillation charcoal that is less than regulation particle diameter; Micro mist destructive distillation charcoal output mechanism, it will be by instituteState the described micro mist destructive distillation charcoal discharge that grading plant classification goes out.

Solve the dry distillation of coal device of the 9th scheme of above-mentioned problem with the dry distillation of coal device of above-mentioned the 8th schemeFor basis, it is characterized in that, described grading plant has the graded plate that described destructive distillation charcoal is carried out to classification,The through hole of described graded plate is 0.42mm～2mm.

The dry distillation of coal device that solves the 10th scheme of above-mentioned problem fills with the dry distillation of coal of above-mentioned the 1st schemeBe set to basis, it is characterized in that, described dry distillation of coal device has the destructive distillation charcoal that described destructive distillation charcoal is dischargedOutput mechanism, described low mercury content destructive distillation charcoal generates mechanism to be possessed: grading plant, it is configured in instituteState between inner core and described destructive distillation charcoal output mechanism, by the described destructive distillation charcoal classification of discharging from described inner coreFor big or small meal destructive distillation charcoal more than regulation particle diameter and the big or small micro mist destructive distillation that is less than regulation particle diameterCharcoal; Micro mist destructive distillation charcoal output mechanism, it is by the described micro mist destructive distillation charcoal being gone out by described grading plant classificationDischarge.

The dry distillation of coal device that solves the 11st scheme of above-mentioned problem fills with the dry distillation of coal of above-mentioned the 1st schemeBe set to basis, it is characterized in that, described dry distillation of coal device has the destructive distillation charcoal that described destructive distillation charcoal is dischargedOutput mechanism, described low mercury content destructive distillation charcoal generates mechanism and possesses the described destructive distillation making in described inner coreThe destructive distillation charcoal circulation that charcoal promptly circulates to described destructive distillation charcoal output mechanism side promotes device.

The dry distillation of coal device that solves the 12nd scheme of above-mentioned problem fills with the dry distillation of coal of above-mentioned the 11st schemeBe set to basis, it is characterized in that, the circulation of described destructive distillation charcoal promote the leading section of device be configured in described outsideNear the furnace wall of the destructive distillation charcoal outlet side of cylinder.

The dry distillation of coal device that solves the 13rd scheme of above-mentioned problem fills with the dry distillation of coal of above-mentioned the 1st schemeBe set to basis, it is characterized in that, described dry distillation of coal device has the described destructive distillation charcoal in described inner coreThe destructive distillation charcoal output mechanism of discharging, described low mercury content destructive distillation charcoal generates mechanism and is fixed on described doingThe plate body that heats up in a steamer charcoal output mechanism and extend along the length direction of described inner core, described plate body and described dryHeating up in a steamer charcoal top configures contiguously.

The dry distillation of coal device that solves the 14th scheme of above-mentioned problem fills with the dry distillation of coal of above-mentioned the 13rd schemeBe set to basis, it is characterized in that, described dry distillation of coal device also possesses in described destructive distillation charcoal output mechanismSupply with the non-active gas feed mechanism of non-active gas.

The dry distillation of coal device that solves the 15th scheme of above-mentioned problem fills with the dry distillation of coal of above-mentioned the 1st schemeBe set to basis, it is characterized in that, described dry distillation of coal device has the destructive distillation charcoal that described destructive distillation charcoal is dischargedOutput mechanism, described low mercury destructive distillation charcoal generates mechanism and is located at described destructive distillation charcoal output mechanism, also rightThe heater that near described destructive distillation charcoal this destructive distillation charcoal output mechanism heats.

The dry distillation of coal device that solves the 16th scheme of above-mentioned problem fills with the dry distillation of coal of above-mentioned the 15th schemeBe set to basis, it is characterized in that, described heater is burner.

The dry distillation of coal device that solves the 17th scheme of above-mentioned problem fills with the dry distillation of coal of above-mentioned the 15th schemeBe set to basis, it is characterized in that, described heater is to be configured to rotation and heated airCan be at the heat exchanger tube of internal circulation.

The dry distillation of coal device that solves the 18th scheme of above-mentioned problem fills with the dry distillation of coal of above-mentioned the 1st schemeBe set to basis, it is characterized in that, described dry distillation of coal device has the destructive distillation charcoal that described destructive distillation charcoal is dischargedOutput mechanism, it is near described destructive distillation charcoal output mechanism that described low mercury content destructive distillation charcoal generates mechanismDescribed destructive distillation charcoal supply with the oxidant feedway of oxidant.

Invention effect

According to dry distillation of coal device of the present invention, generate mechanism, energy by possessing low mercury content destructive distillation charcoalEnough suppress mercury and remove to the absorption of destructive distillation charcoal or by the many destructive distillation charcoals of mercury adsorbance, can manufacture waterThe destructive distillation charcoal that silver content is few.

Brief description of the drawings

Fig. 1 is the summary pie graph that represents the 1st embodiment of dry distillation of coal device of the present invention.

Fig. 2 is the summary pie graph that represents the 2nd embodiment of dry distillation of coal device of the present invention.

Fig. 3 is the summary pie graph that represents the 3rd embodiment of destructive distillation charcoal manufacturing equipment of the present invention.

Fig. 4 is the summary pie graph that represents the 4th embodiment of dry distillation of coal device of the present invention.

Fig. 5 is the summary pie graph that represents the 5th embodiment of dry distillation of coal device of the present invention.

Fig. 6 is the curve map that represents the relation between particle diameter and the mercury adsorbance of destructive distillation charcoal.

Fig. 7 is the summary pie graph that represents the 6th embodiment of dry distillation of coal device of the present invention.

Fig. 8 is the summary pie graph that represents the 7th embodiment of dry distillation of coal device of the present invention.

Fig. 9 is the summary pie graph that represents the 8th embodiment of dry distillation of coal device of the present invention.

Figure 10 is the summary pie graph that represents the 9th embodiment of dry distillation of coal device of the present invention.

Figure 11 is the summary pie graph that represents the 10th embodiment of dry distillation of coal device of the present invention.

Figure 12 is the summary pie graph that represents the 11st embodiment of dry distillation of coal device of the present invention.

Figure 13 is the summary pie graph that represents the 12nd embodiment of dry distillation of coal device of the present invention.

Detailed description of the invention

Be used for implementing the embodiment of dry distillation of coal device of the present invention by each embodiment explanation.

Embodiment 1

The dry distillation of coal device of the 1st embodiment of the present invention is described based on Fig. 1.

The dry distillation of coal device of the present embodiment is rotary furnace, as shown in Figure 1, possesses indirect modeDestructive distillation device main body 111. Destructive distillation device main body 111 possesses: inner core 112, covering inner core 112 ground are establishedThe urceolus 113 of putting and inner core 112 is supported as revolvable supporting member 114. Urceolus 113 has and connectsReceive the gas inlet port (not shown) of heated air 1 and discharge warmed-up inner core 112 heat airThe gas discharge outlet (not shown) of body 2. The region being surrounded by urceolus 113 of inner core 112 forms coalHeating part. Destructive distillation device main body 111 have to inner core 112 supply with dry charcoal 11 feed portion 115,Be located at the separating tank 116 and the hopper 117 of being located at separating tank 116 of the open end of inner core 112.

Destructive distillation device main body 111 for example also has, by the gas in inner core 112, carbonizing gas described laterThe blast pipe 101 that 21 grades are discharged. Blast pipe 101 extends and configures along the axle center of inner core 112. ExhaustGas suction inlet (leading section) 101a of pipe 101 is disposed at region D1, and this region D1 is for dryThe temperature of charcoal 11 reaches the length direction substantial middle 112a of the portion (urceolus 113 of the inner core 112 of 400 DEG CLength direction substantial middle portion) add with the coal of the inner core 112 of the 113a of the wall portion location by urceolus 113Region between the hot outlet 112c of portion. This be because, if by the gas suction inlet 101a of blast pipe 101Being configured in than the 112a of substantial middle portion of inner core 112 leans on feed portion 115 sides (by the wall portion of urceolus 113The coal heating part entrance 112b of the inner core 112 of 113b location), due to carbonizing gas 21 and temperatureThe dry charcoal 11 of low (temperature not yet rises) contacts and tar condensing, and this tar can hinder from dryCharcoal 11 is emitted mercury. On the other hand, if gas suction inlet 101a is configured in than the coal of urceolus 113Discharge the 113a of wall portion of side by hopper 117 sides, destructive distillation charcoal 12 cools off, carbonizing gas 21 and changeCool destructive distillation charcoal 12 contacts and can adsorb the mercury in carbonizing gas 21. , by by blast pipe101 gas suction inlet 101a is positioned region D1, can suppress more reliably thus inner core 112In gas contact with the destructive distillation charcoal 12 having cooled off.

It should be noted that, be linked with sucktion fan (not shown) etc. at the base end part of blast pipe 101.Thus, by the pumping velocity with regulation, for example than coal (dry charcoal 11, destructive distillation charcoal 12) interiorEspecially carbonizing gas 21 of gas in the fireballing speed suction inner core 112 of cylinder 112 interior movements,The gas that can suppress in described inner core 112 exports 112c to separating tank from the coal heating part of inner core 112116 effluents are logical, and the gas in this inner core 112 can be discharged to outside system. , can suppressGas in inner core 112 contact with the destructive distillation charcoal 12 having cooled off and by the gas in inner core from blast pipe101 are discharged to outside system. The diameter of blast pipe 101 is set as the gas in inner core 112 to be dischargedSize, and be set as the size not contacting with the dry charcoal 11 in inner core 112.

In such the present embodiment, form low water by described blast pipe 101 and described sucktion fan etc.Silver content destructive distillation charcoal generates mechanism.

The work of the dry distillation of coal device that below explanation forms like this.

First, utilize drying device (not shown) to colm such as brown coal, bituminous coal (not shown) etc.Feed coal be dried and process and become dry charcoal 11, will be dried charcoal 11 and be supplied to feed portion 115.By feed portion 115 to inner core 112 interior every ormal weights supply with dry charcoal 11.

On the other hand, will be supplied to urceolus 113 in the heated air 1 of the generations such as combustion furnace (not shown)In. Heated air 1 heats inner core 112, to dry charcoal 11 indirect in inner core 112.Thus, generate destructive distillation charcoal 12, and generate carbonizing gas 21. It should be noted that heated air 1Be adjusted to the temperature of the coal (dry charcoal 11, destructive distillation charcoal 12) making in inner core 112 in coal heating partOutlet 112c place becomes 400～450 DEG C. Destructive distillation charcoal 12 in inner core 112 successively to separating tank 116Side shifting, discharges to hopper 117 from separating tank 116. Carbonizing gas 21 via blast pipe 101 toSystem is discharged outward. By the gas suction inlet 101a of blast pipe 101 being configured in to region D1, i.e. coalThe high position of temperature of (dry charcoal 11, destructive distillation charcoal 12), thus can be by high mercury concentration doingHeat up in a steamer gas 21 was discharging before near circulation coal heating part outlet 112c outside system. Thus, energySuppressing carbonizing gas 21 contacts with the coal having cooled off (being dried charcoal 11, destructive distillation charcoal 12). In addition exist,The coal heating part outlet 112c side (separating tank 116 sides) of inner core 112, carbonizing gas 21 flow withThe moving direction of coal is contrary, flows and has the carbonizing gas 21 that mercury concentration is low, can prevent thus mercuryAdsorb to coal. The destructive distillation charcoal 12 of discharging to hopper 117 thus, becomes the charcoal that mercury content is few.

Below, by repeating above-mentioned work, can manufacture continuously the destructive distillation charcoal 12 that mercury content is few.

Therefore,, according to the dry distillation of coal device of the present embodiment, dispose gas by being arranged in inner core 112The blast pipe 101 of body suction inlet 101a, thus can be before contacting with the destructive distillation charcoal 12 having cooled offCarbonizing gas 21 is discharged, can suppress due to the destructive distillation charcoal 12 having cooled off with this contact caused,The absorption of the mercury in carbonizing gas 21, can manufacture the destructive distillation charcoal 12 that mercury content is few.

Embodiment 2

The dry distillation of coal device of the 2nd embodiment of the present invention is described based on Fig. 2.

The present embodiment is in the dry distillation of coal device of above-mentioned the 1st embodiment, to have increased vector gas to supply with dressThe structure of putting. In the present embodiment, for the portion identical with the dry distillation of coal device of above-mentioned the 1st embodimentPart mark same-sign.

As shown in Figure 2, the dry distillation of coal device of the present embodiment also possesses as vector gas feed mechanismVector gas feedway 121. Vector gas feedway 121 possesses for supplying with as nonactiveThe vector gas 31 of gas (such as nitrogen, remove burnt gas after the exhaust-gas treatments such as mercury etc.)Vector gas feedway main body 122 and give with the gas of vector gas feedway main body 122The vector gas carrier pipe 123 that outlet is communicated with and is communicated with hopper 117.

Vector gas 31 is adjusted to discharges destructive distillation charcoal temperature (for example 400 DEG C～450 DEG C). This be byIn, if vector gas 31 lower than 400 DEG C, by cooling inner core 112, energy conversion efficiency variation.On the other hand, if vector gas 31, higher than 450 DEG C, to destructive distillation charcoal 12 heat supplies, promotes dryThe destructive distillation of dry charcoal 11, the weight of destructive distillation charcoal reduces, and mercury concentration is concentrated, and volatile quantity reduces, and becomesThe destructive distillation charcoal that ignitability is poor. Therefore, by supplying with the vector gas 31 of temperature range of above-mentioned regulation,Can prevent near the cooling of destructive distillation charcoal 12 coal heating part in inner core 112 outlet 112c, fallMercury concentration in low gas, suppresses the absorption of mercury to destructive distillation charcoal 12.

Vector gas feedway 121 is supplied with gas delivery volume basis and the blast pipe of vector gas 31101 link above-mentioned sucktion fans gas traffic attraction and adjust. This be due to, if vector gas 31Gas delivery volume fewer than the difference of the gas traffic attraction of described sucktion fan and carbonizing gas growing amount,Vector gas 31 cannot play that the destructive distillation charcoal 12 that suppresses to have cooled off contacts with described carbonizing gas 21Effect. On the other hand, if the gas delivery volume of vector gas 31 inhale than the gas of described sucktion fanThe amount of drawing is many with the difference of carbonizing gas growing amount, and vector gas 31 quantitative changes in inner core 112 are many, canCan hinder the generation of destructive distillation charcoal 12.

In such the present embodiment, by described blast pipe 101 and described vector gas feedway121 grades form low mercury content destructive distillation charcoal and generate mechanism.

The work of the dry distillation of coal device that below explanation forms like this. It should be noted that, at the present embodimentIn, same with the dry distillation of coal device of above-mentioned the 1st embodiment, by feed portion 115 to the every rule of inner core 112Supply with quantitatively dry charcoal 11. Dry by the heated air 1 that is supplied to urceolus 113 in inner core 112Dry charcoal 11 indirect, generate destructive distillation charcoal 12.

Generate carbonizing gas 21 along with the generation of above-mentioned destructive distillation charcoal 12. Now, control carrier gasBody feeding 121 and to the interior supply vector gas 31 of hopper 117, on the other hand, according to carbonization gasThe above-mentioned sucktion fan of quantity delivered control of the growing amount of body 21 and vector gas 31, by inner core 112The interior gas such as carbonizing gas 21 and vector gas 31 is discharged outside system by blast pipe 101. ThisTime, vector gas 31 contacts with destructive distillation charcoal 12 on one side and circulates to blast pipe 101 on one side. Therefore, existNear the coal heating part outlet 112c of inner core 112, can suppress carbonizing gas 21 and destructive distillation charcoal 12Contact. Can suppress carbonizing gas 21 logical to separating tank 116 effluents. Thus, can suppress destructive distillationMercury in gas 21 is to the absorption of destructive distillation charcoal 12. The destructive distillation charcoal 12 of therefore, discharging to hopper 117For the few charcoal of mercury content.

Therefore,, according to the dry distillation of coal device of the present embodiment, have to the interior supply vector gas of hopper 11731 vector gas feedway 121, to the interior supply vector gas 31 of hopper 117, can press down thusCarbonizing gas 21 processed is logical to separating tank 116 effluents. Consequently, can suppress due to cooled offDestructive distillation charcoal 12 contact the absorption of the mercury in caused, carbonizing gas 21, can be more reliablyManufacture the few destructive distillation charcoal 12 of mercury content.

Embodiment 3

The destructive distillation charcoal manufacturing equipment of the 3rd embodiment of the present invention is described based on Fig. 3.

The present embodiment is the destructive distillation charcoal manufacturing equipment of having applied the dry distillation of coal device of the 2nd above-mentioned embodimentAn example. In the present embodiment, for the parts identical with the dry distillation of coal device of above-mentioned the 2nd embodimentMark same-sign.

As shown in Figure 3, the destructive distillation charcoal manufacturing equipment of the present embodiment possess above-mentioned destructive distillation device main body (inCylinder 112, urceolus 113), above-mentioned blast pipe 101 and above-mentioned vector gas feedway 121,And possess drying device 311, combustion furnace 321, cooling device 331, the granulation of indirect heating typeDevice 341, heated air conveying device etc. It should be noted that, raw in destructive distillation device main body 111The destructive distillation charcoal 12 becoming is transported to cooling device 331. Cooling device 331 is cooled to destructive distillation charcoal 12Below the temperature of regulation, make cooling charcoal 13, cooling charcoal 13 is transported to prilling granulator 341. MakeGrain device 341 is a granulated into prescribed level by cooling charcoal 13 and making articles 14 is discharged goods 14.

The drying device 311 of indirect heating type possesses the inner core 312 and the covering that are supplied to feed coal 10The urceolus 313 that inner core 312 ground arrange. By supplying with by 323, heat exchanger described later to urceolus 313The heated air 61 obtaining, thus heated air 61 is to feed coal 10 indirect in inner core 312.Thus, generate dry charcoal 11, and generate dry gas 51. The gas discharge outlet of inner core 312 viaAir blast 314 and being communicated with the gas inlet port of combustion furnace 321 described later, dry gas 51 viaAir blast 314 is transported to combustion furnace 321. The coal outlet of inner core 312 and above-mentioned destructive distillation deviceThe coal supply port of the inner core 112 of main body is communicated with, and dry charcoal 11 is transported to described destructive distillation device main bodyInner core 112 in. It should be noted that heated air 62 quilts that the heating of inner core 312 utilizesBe discharged to outside system.

Combustion furnace 321 has burner 322 and heat exchanger 323. The gas inlet port of burner 322Be communicated with the gas discharge outlet of the blast pipe 101 of above-mentioned destructive distillation device main body, carbonizing gas 21, carryBody gas 31 is transported to burner 322. The gas discharge outlet of heat exchanger 323 and drying device 311Urceolus 313 gas inlet port be communicated with, the heated air 61 generating at heat exchanger 323 is transferredTo the urceolus 313 of drying device 311. The gas discharge outlet of combustion furnace 321 and above-mentioned destructive distillation deviceThe gas inlet port of the urceolus 113 of main body is communicated with, and the burnt gas producing at combustion furnace 321 is as addingHot gas 1 and be transported to the urceolus 113 of above-mentioned destructive distillation device main body.

The gas discharge outlet of the urceolus 113 of above-mentioned destructive distillation device main body via air shooter 361 withGas inlet port as the steam generator 351 of cooling body is communicated with, the heating institute profit of inner core 112With heated air 2 be transported to steam generator 351. Heated air 2 is by steam generator 351Be cooled to set point of temperature to become one time below refrigerating gas 3. The gas of steam generator 351 is dischargedMouth is via being communicated with the gas suction inlet of air blast 352 communicating pipe 362. The gas row of air blast 352Outlet is communicated with the gas inlet port of exhaust gas purification and treatment device 353 via carrier pipe 363. , oneInferior refrigerating gas 3 is transported to the waste gas purification processing as purified treatment mechanism via air blast 352Device 353. Exhaust gas purification and treatment device 353 is removed NOx, SOx, water from a refrigerating gas 3Silver, particulate matter (PM) and generate the Purge gas 4 having purified.

The gas discharge outlet of exhaust gas purification and treatment device 353 is via Purge gas discharge pipe 364 and chimney(not shown) is communicated with. Be provided with flow rate regulating valve (triple valve) midway at Purge gas discharge pipe 364354, flow rate regulating valve 354 is communicated with Purge gas carrier pipe 365. Purge gas carrier pipe 365Be communicated with vector gas carrier pipe 123. , a part for Purge gas 4 via chimney by systemOuter discharge. The remainder of Purge gas 4 is via flow rate regulating valve 354, Purge gas carrier pipe 365Be transported to vector gas carrier pipe 123. Therefore, vector gas 31 and Purge gas 4 are as carrierGas is fed in the inner core 112 of above-mentioned destructive distillation device main body.

In such the present embodiment, by described air shooter 361, described steam generator 351,Described communicating pipe 362, described air blast 352, carrier pipe 363, described exhaust gas purification and treatment device353, described Purge gas discharge pipe 364, described flow rate regulating valve 354, described Purge gas are carriedPipe 365, described vector gas carrier pipe 123 etc. form the heat air as heated air conveying mechanismBody conveying device.

Therefore, according to the destructive distillation charcoal manufacturing equipment of the present embodiment, by carrying out heat to heated air 2Exchange and purified treatment and the Purge gas 4 that obtains are supplied to above-mentioned dry together with vector gas 31In the inner core 112 of distillation unit main body, compared with the situation that all vector gas are supplied with in addition, canSeek energy-conservation.

Embodiment 4

The dry distillation of coal device of the 4th embodiment of the present invention is described based on Fig. 4.

In the present embodiment, be replace blast pipe that the dry distillation of coal device of above-mentioned the 1st embodiment possesses andLeading portion increases the structure of pre-heating and drying mechanism. In the present embodiment, for above-mentioned the 1st embodiment'sThe parts mark same-sign that dry distillation of coal device is identical.

As shown in Figure 4, the dry distillation of coal device of the present embodiment possesses destructive distillation device main body 111, and possessesBe located at the pre-heating and drying mechanism 131 as preheating and drying mechanism of the leading portion of destructive distillation device main body 111.

Pre-heating and drying mechanism 131 is rotary furnaces, possess inner core 132, cover inner core 132 ground arrangeUrceolus 133 and inner core 132 is supported as revolvable supporting member 134. It is pre-that urceolus 133 has receptionHeat is used the gas inlet port (not shown) of heated air 6 and is discharged warmed-up inner core 132 preheatingWith the gas discharge outlet (not shown) of heated air 7. The district being surrounded by urceolus 133 of inner core 132Territory becomes coal heating part. Pre-heating and drying mechanism 131 possesses confession from dry charcoal 11 to inner core 132 that supply withMaterial portion 135, be located at inner core 132 open end separating tank 136 and be located at the material of separating tank 136Bucket 137. Be provided with gas discharge outlet 138 on the top of separating tank 136. Gas outlet pipe 139 and gasBody outlet 138 is communicated with.

Destructive distillation device main body 111 possesses above-mentioned inner core 112, above-mentioned urceolus 113, above-mentioned propping upHold part 114, above-mentioned feed portion 115, above-mentioned separating tank 116 and above-mentioned hopper 117. SeparateGroove 116 is communicated with gas outlet pipe 119 via the gas discharge outlet 118 of being located at top. Destructive distillation deviceThe feed portion 115 of main body 111 is communicated with the coal outlet of the hopper 137 of pre-heating and drying mechanism 131,Preheating and drying charcoal 15 is fed into the feed portion 115 of destructive distillation device main body 111.

In such the present embodiment, form described low mercury by described pre-heating and drying mechanism 131 grades and containAmount destructive distillation charcoal generates mechanism.

First, utilize drying device (not shown) to colm such as brown coal, bituminous coal (not shown) etc.Feed coal be dried and process and become dry charcoal 11, will be dried charcoal 11 and be supplied to preheating and drying dressPut 131 feed portion 135. Feed portion 135 is to the interior every rule of inner core 132 of pre-heating and drying mechanism 131Supply with quantitatively dry charcoal 11.

On the other hand, will be supplied to by heated air 6 in the preheating of the generations such as combustion furnace (not shown)In the urceolus 133 of pre-heating and drying mechanism 131. Preheating is heated inner core 132 by heated air 6, rightDry charcoal 11 indirect in inner core 132. Preheating is adjusted to and makes coal heating by heated air 6The dry charcoal 11 at outlet 132c place of portion becomes 280～350 DEG C. Thus, generate preheating and drying charcoal 15,And generate preheating gas 22. At this, be heated to 350 DEG C if will be dried charcoal 11, by the water in coal80% left and right of silver emits, and therefore preheating gas 22 becomes the gas that mercury concentration is high. Like this pre-Hot gas 22 is via separating tank 136, gas discharge outlet 138, gas outlet pipe 139 and outside systemDischarge. Preheating and drying charcoal 15 in inner core 132 successively to separating tank 136 side shiftings, to hopper 137Discharge.

Then, the preheating and drying charcoal 15 in above-mentioned hopper 137 is transported to destructive distillation device main body 111Feed portion 115.

The every ormal weight of the feed portion 115 of destructive distillation device main body 111 ground is to this destructive distillation device main body 111Inner core 112 is supplied with preheating and drying charcoal 15. On the other hand, will generate at combustion furnace (not shown) etc.Heated air 1 is supplied in the urceolus 113 of apparatus main body 111. Heated air 1 adds inner core 112Heat, to preheating and drying charcoal 15 indirect in inner core 112. Heated air 1 is adjusted to and makes coalThe preheating and drying charcoal 15 at outlet 112c place, heating part becomes 400～450 DEG C. Thus, generate destructive distillation charcoal16, and generate carbonizing gas 23. Destructive distillation charcoal 16 in inner core 112 successively to separating tank 116 sideswaysMoving, discharge to hopper 117 from separating tank 116. Carbonizing gas 23 is via the gas of separating tank 116Outlet 118, gas outlet pipe 119 are discharged outside system.

Above-mentioned preheating and drying charcoal 15 is by preheating high mercury concentration in pre-heating and drying mechanism 131Gas 22 is discharged and is obtained, and therefore to become mercury compared with preheating gas 22 dense for carbonizing gas 23Spend low gas. Therefore, the coal in the inner core 112 of destructive distillation device main body 111 is to hopper 117 sidesWhen mobile, even if contact with carbonizing gas 23 and adsorb the mercury in carbonizing gas 23, due to destructive distillationMercury concentration in gas 23 is low, and that therefore discharges to the hopper 117 of destructive distillation device main body 111 is dryHeating up in a steamer charcoal 16 is still the few charcoal of mercury content.

Below, by repeating above-mentioned work, can manufacture continuously the destructive distillation charcoal 16 that mercury content is few.

Therefore,, according to the dry distillation of coal device of the present embodiment, possess destructive distillation device main body 111 and be located at dryThe pre-heating and drying mechanism 131 of the leading portion of distillation unit main body 111, by pre-heating and drying mechanism 131 watersSilver coal caving ratio is that the temperature (280～350 DEG C) of 80% left and right heats dry charcoal 11, from dry charcoal11 emit mercury and become preheating and drying charcoal 15, by destructive distillation device main body 111 to preheating and drying charcoal15 indirect and become destructive distillation charcoal 16, thus, manufacture destructive distillation charcoal with 1 rotary furnace of use in the pastSituation compare, the temperature of the preheating and drying charcoal 15 in pre-heating and drying mechanism 131 reduces and diminishes, energyEnough suppress the absorption of mercury to coal, can obtain the destructive distillation charcoal 16 that mercury content is few.

Embodiment 5

The dry distillation of coal device of the 5th embodiment of the present invention is described based on Fig. 5 and Fig. 6.

The present embodiment is to replace the blast pipe that the dry distillation of coal device of above-mentioned the 1st embodiment possesses and increaseThe structure of grading plant. In the present embodiment, for the dry distillation of coal device of above-mentioned the 1st embodimentIdentical parts mark same-sign.

As shown in Figure 5, the dry distillation of coal device of the present embodiment possesses above-mentioned destructive distillation device main body 111,And possess destructive distillation charcoal 12a described later to discharging from hopper 117 carry out classification as classification mechanismGrading plant 141.

Grading plant 141 possesses log washer 142 and is located at the sieve plate (graded plate) in log washer 142143. Log washer 142 is divided into main grading room 142a and secondary grading room 142b by sieve plate 143. Sieve plate143 are configured in the below of the destructive distillation charcoal inlet port of log washer 142. Sieve plate 143 is towards meal destructive distillation charcoalOutlet rolls tiltedly configuration. Sieve plate 143 has multiple through holes. The diameter of described through hole is setFor the size of regulation, for example, be set as 0.42mm～2.0mm.

Above-mentioned grading plant 141 also possesses micro mist destructive distillation charcoal discharge pipe 144, gas conveyance drum blower fan 145With air shooter 146. The secondary grading room 142b of micro mist destructive distillation charcoal discharge pipe 144 and log washer 142The micro mist destructive distillation charcoal outlet of bottom is communicated with, and is communicated with air shooter 146. Air shooter 146Be communicated with the gas delivery port of gas conveyance drum blower fan 145, and be communicated with gas outlet pipe 119.

In such the present embodiment, form low mercury content destructive distillation charcoal by described grading plant 141 gradesGenerate mechanism. By described micro mist destructive distillation charcoal discharge pipe 144, described gas conveyance drum blower fan 145, instituteState air shooter 146 grades and form micro mist destructive distillation charcoal output mechanism.

The work of the dry distillation of coal device that below explanation forms like this. It should be noted that, at the present embodimentIn, same with the dry distillation of coal device of above-mentioned the 1st embodiment, interior every to inner core 112 by feed portion 115Dry charcoal 11 is supplied with on ormal weight ground.

Supply with heated air 1 to urceolus 113. Thus, the dry charcoal 11 in inner core 112 is added indirectlyHeat, generates destructive distillation charcoal 12, and generates carbonizing gas 21. Destructive distillation charcoal 12 in inner core 112 successively toSeparating tank 116 side shiftings. Carbonizing gas 21 in inner core 112 successively to separating tank 116 side randsMove with destructive distillation charcoal 12 contact edges. Destructive distillation charcoal 12 is by the coal heating part outlet 112c of inner core 112Before rear arrival separating tank 116, cool off, adsorb correspondingly one of mercury in carbonizing gas 21Part, becomes mercury absorption destructive distillation charcoal 12a, and mercury absorption destructive distillation charcoal 12a discharges to hopper 117.Carbonizing gas 21 becomes low mercury content because the mercury in this gas 21 is adsorbed in destructive distillation charcoal 12Carbonizing gas 21a, low mercury content carbonizing gas 21a discharges to gas via gas discharge outlet 118Pipe 119 circulations.

At this, the adsorbance about mercury to destructive distillation charcoal, with reference to represent coal (destructive distillation charcoal) particle diameter withFig. 6 of the relation of mercury content (mg/kg) describes. As shown in Figure 6, can confirm,In the case of the particle diameter of coal be below 0.42mm, mercury content is 0.028mg/kg, at coalParticle diameter is in the situation of 0.42mm～2.0mm, and mercury content is 0.024mg/kg, at the grain of coalFootpath is in the situation of 2.0mm～3.0mm, and mercury content is 0.008mg/kg. That is, can confirm,Mercury in carbonizing gas is preferentially adsorbed in the coal dust that specific area is large, particle diameter is little.

Then, by mercury absorption destructive distillation charcoal 12a (micro mist destructive distillation charcoal 12aa, meal in hopper 117Destructive distillation charcoal 12ab) be transplanted in the log washer 142 of grading plant 141 and be supplied on sieve plate 143.Gas conveyance drum blower fan 145 with the gas flow rate of classification that can produce mercury absorption destructive distillation charcoal 12a by non-Active gases 32 is transported to air shooter 146. Thus, at the secondary grading room 142b of log washer 142Produce negative pressure, utilize sieve plate 143 to carry out the classification of destructive distillation charcoal 12a. , than the perforation of sieve plate 143The little micro mist destructive distillation charcoal 12aa in hole drops in secondary grading room 142b, larger than the through hole of sieve plate 143Meal destructive distillation charcoal 12ab residue in main grading room 142a. Therefore, by passing through sieve plate 143The diameter of through hole is set as 0.42mm, and can make particle diameter is the big or small mercury suction below 0.42mmThe charcoal that attached amount is many drops in secondary grading room 142b as micro mist destructive distillation charcoal 12aa. Preferably by sieve plateThe diameter of 143 through hole is set as 2.0mm, and can make thus particle diameter is the size below 2.0mmThe many charcoals of mercury adsorbance drop in secondary grading room 142b as micro mist destructive distillation charcoal 12aa. NeedIllustrate, non-active gas 32 is and the nonreactive gas of micro mist destructive distillation charcoal 12aa, for example, can liftsGo out nitrogen etc.

Micro mist destructive distillation charcoal 12aa in secondary grading room 142b is via micro mist destructive distillation charcoal discharge pipe 144, gasBody carrier pipe 146 is transported to gas outlet pipe 119 together with non-active gas 32. And, micro mistDestructive distillation charcoal 12aa together with non-active gas 32, low mercury content carbonizing gas 21a by outside systemDischarge.

On the other hand, the meal destructive distillation charcoal 12ab in main grading room 142a is from the end of main grading room 142aThe meal destructive distillation charcoal outlet of portion is discharged to outside system.

Therefore, according to the dry distillation of coal device of the present embodiment, by thering is destructive distillation device main body 111 and dividingStage arrangement 141, thus the destructive distillation charcoal 12a obtaining in destructive distillation device main body 111 is transplanted on to classificationDevice 141, can go out mercury absorption in grading plant 141 classification from mercury absorption destructive distillation charcoal 12aMeasure many micro mist destructive distillation charcoal 12aa and remove. Thus, can obtain the meal that mercury adsorbance is few doesHeat up in a steamer charcoal 12ab as the few destructive distillation charcoal of mercury content.

Embodiment 6

The dry distillation of coal device of the 6th embodiment of the present invention is described based on Fig. 7.

The present embodiment is to change joining of grading plant that the dry distillation of coal device of above-mentioned the 5th embodiment hasThe structure of putting. In the present embodiment, for the portion identical with the dry distillation of coal device of above-mentioned the 5th embodimentPart mark same-sign.

As shown in Figure 7, the dry distillation of coal device of the present embodiment possesses above-mentioned destructive distillation device main body 111,And possesses the grading plant 151 as classification mechanism being configured between inner core 112 and hopper 117.

Above-mentioned grading plant 151 possesses log washer 152 and is located at the sieve plate 153 in log washer 152.Log washer 152 is divided into main grading room 152a and secondary grading room 152b by sieve plate 153. Sieve plate 153Be configured in the below of the destructive distillation charcoal inlet port (open end of inner core 112) of log washer 152. Sieve plate153 from destructive distillation charcoal inlet port side towards the meal destructive distillation charcoal 12ad described later in log washer 152 is dischargedMeal destructive distillation charcoal outlet roll tiltedly configuration. Sieve plate 153 has multiple through holes. Described perforationThe diameter in hole is set as the size of regulation, for example, be set as 2.0mm.

Above-mentioned grading plant 151 also has and air shooter 154, gas conveyance drum blower fan 155 andThe gas outlet pipe 157 being communicated with the gas discharge outlet 156 of log washer 152. Air shooter 154Be communicated with the non-active gas inlet port of the secondary grading room 152b bottom of log washer 152, and and gasThe gas delivery port of conveyance drum blower fan 155 is communicated with.

In such the present embodiment, form low mercury content destructive distillation charcoal by described grading plant 151 gradesGenerate mechanism. By described gas conveyance drum blower fan 155, described air shooter 154, described sieve plate153, gas discharge outlet 156, gas outlet pipe 157 etc. form micro mist destructive distillation charcoal output mechanism.

The work of the dry distillation of coal device that below explanation forms like this. It should be noted that, at the present embodimentIn, identical with the dry distillation of coal device of above-mentioned the 5th embodiment, by feed portion 115 in inner core 112Dry charcoal 11 is supplied with on every ormal weight ground.

Supply with heated air 1 to urceolus 113. Thus, the dry charcoal 11 in inner core 112 is added indirectlyHeat, generates destructive distillation charcoal 12, and generates carbonizing gas 21. Destructive distillation charcoal 12 in inner core 112 successively toLog washer 152 side shiftings. Carbonizing gas 21 in inner core 112 successively to log washer 152 side randsMove with destructive distillation charcoal 12 contact edges. Destructive distillation charcoal 12 is by the coal heating part outlet 112c of inner core 112Before arriving afterwards log washer 152, cool off, adsorb correspondingly mercury in carbonizing gas 21A part, becomes mercury absorption destructive distillation charcoal 12a, and mercury absorption destructive distillation charcoal 12a is sent to log washer 152Sieve plate 153 on. Carbonizing gas 21 is because the mercury in this gas 21 is adsorbed in destructive distillation charcoal 12Become low mercury content carbonizing gas 21a, low mercury content carbonizing gas 21a is via gas discharge outlet156 circulate to gas outlet pipe 157.

At this, about the mercury adsorbance to destructive distillation charcoal, as illustrated at above-described embodiment 5,Depend on the particle diameter of destructive distillation charcoal, the major part of the mercury in carbonizing gas is adsorbed in particle diameter be 2.0mm withUnder micro mist destructive distillation charcoal 12ac. It should be noted that, be greater than the meal destructive distillation charcoal of 2.0mm to particle diameterThe mercury adsorbance of 12ad is than few to the mercury adsorbance of micro mist destructive distillation charcoal 12ac.

Then, gas conveyance drum blower fan 155 adsorbs the gas of the classification of destructive distillation charcoal 12a can produce mercuryRate of flow of fluid is sent to log washer 152 by the non-active gas 33 of approximately 400 DEG C by air shooter 154In. Thus, in mercury absorption destructive distillation charcoal 12a, only micro mist destructive distillation charcoal 12ac floats. For example,, by inciting somebody to actionThe gas flow rate of the non-active gas 33 that gas conveyance drum blower fan 155 is carried is adjusted into 7m/s,Particle diameter is that charcoal that big or small mercury adsorbance below 2.0mm is many is as micro mist destructive distillation charcoal 12ac thusFloating. Then, micro mist destructive distillation charcoal 12ac together with carbonizing gas 21a and non-active gas 33 from instituteStating gas discharge outlet 156 discharges outside system by gas outlet pipe 157.

On the other hand, the meal destructive distillation charcoal 12ad on sieve plate 153 is sent to hopper 117 and is discharged toOutside system.

Therefore, according to the dry distillation of coal device of the present embodiment, by between inner core 112 and hopper 117Grading plant 151 is set, thus the destructive distillation charcoal 12a obtaining in destructive distillation device main body 111 is delivered toGrading plant 151, can go out mercury in grading plant 151 classification from mercury absorption destructive distillation charcoal 12aThe micro mist destructive distillation charcoal 12ac that adsorbance is many and removing. Thus, can obtain few thick of mercury adsorbanceDried bean noodles heats up in a steamer charcoal 12ad as the few destructive distillation charcoal of mercury content.

Embodiment 7

The dry distillation of coal device of the 7th embodiment of the present invention is described based on Fig. 8.

The present embodiment is to replace the blast pipe that the dry distillation of coal device of above-mentioned the 1st embodiment possesses and increaseDestructive distillation charcoal circulation promote the structure of device. In the present embodiment, for above-mentioned the 1st embodiment'sThe parts mark same-sign that dry distillation of coal device is identical.

As shown in Figure 8, the dry distillation of coal device of the present embodiment possesses above-mentioned destructive distillation device main body 111,And possess destructive distillation charcoal circulation and promote device 181. It should be noted that, hopper 117 forms destructive distillation charcoal rowGo out mechanism.

Destructive distillation charcoal circulation promotes that device 181 is to make destructive distillation charcoal 12 in inner core 112 to hopper 117 sidesThe device of circulation, for example, be feeding screw etc. rapidly. The leading section 181a of device 181 is positionedThe coal heating part outlet 112c of inner core 112. Thus, the region of heating at not heated gas 1, energyEnough utilize the circulation of destructive distillation charcoal to promote that device 181 shortens the holdup time in this region, can suppress thusDestructive distillation charcoal 12 cooling self, and can shorten time of contact of destructive distillation charcoal 12 and carbonizing gas 21.Consequently, can suppress mercury in carbonizing gas 21 to arranging to hopper 117 from separating tank 116The absorption of the destructive distillation charcoal 12 going out.

In such the present embodiment, promote device 181 grades to form low mercury by described destructive distillation charcoal circulationContent destructive distillation charcoal generates mechanism.

Therefore, according to the dry distillation of coal device of the present embodiment, by thering is destructive distillation device main body 111 and dryHeat up in a steamer charcoal circulation and promote device 181, can make the coal heating part outlet 112c of destructive distillation charcoal 12 from inner core 112Promptly circulate and be discharged to hopper 117 to separating tank 116. Thus, can suppress due to destructive distillation charcoalCooling caused mercury to the absorption of destructive distillation charcoal, therefore can obtain the destructive distillation charcoal that mercury content is few12。

Embodiment 8

The dry distillation of coal device of the 8th embodiment of the present invention is described based on Fig. 9 A and Fig. 9 B.

The present embodiment is to replace the blast pipe that the dry distillation of coal device of above-mentioned the 1st embodiment has and increaseThe structure of carbonizing gas contact inhibition plate body. In the present embodiment, for above-mentioned the 1st embodimentThe identical parts of dry distillation of coal device mark same-sign.

As shown in Fig. 9 A and Fig. 9 B, the dry distillation of coal device of the present embodiment possesses above-mentioned destructive distillation deviceMain body 111, and possess carbonizing gas contact inhibition plate body 191.

The base end part side of carbonizing gas contact inhibition plate body 191 is fixed on the side wall portion of separating tank 116,Carbonizing gas contact inhibition plate body 191 extends along the bearing of trend of inner core 112. The front end of plate body 191Portion's 191a side is the shape that tilts to extend towards oblique upper. Plate body 191 be configured to at inner core 112The upper surface part 12c contact of the destructive distillation charcoal layer that the destructive distillation charcoal 12 of interior generation is laminated. Thus, dryAlthough heat up in a steamer charcoal 12 by the coal heating part of being heated by heated air 1 to separating tank 116, hopperBefore 117 discharges, cool off, but utilize plate body 191 can suppress connecing of destructive distillation charcoal 12 and carbonizing gas 21Touch. Destructive distillation charcoal 12 is discharged to hopper 117 from separating tank 116.

In such the present embodiment, form low water by described carbonizing gas contact inhibition plate body 191 gradesSilver content destructive distillation charcoal generates mechanism.

Therefore, according to the dry distillation of coal device of the present embodiment, by possessing destructive distillation device main body 111 and dryHeat up in a steamer gas contact inhibition plate body 191, can utilize this plate body 191 to suppress the destructive distillation charcoal 12 and the destructive distillation that cool offThe contact of gas 21, can suppress because contacting caused, carbonization gas with the destructive distillation charcoal 12 having cooled offThe absorption of the mercury in body 21, therefore can obtain the destructive distillation charcoal 12 that mercury content is few.

Embodiment 9

The dry distillation of coal device of the 9th embodiment of the present invention is described based on Figure 10 A and Figure 10 B.

The present embodiment is to have increased non-active gas supply in the dry distillation of coal device of above-mentioned the 8th embodimentThe structure of device. In the present embodiment, for identical with the dry distillation of coal device of above-mentioned the 8th embodimentParts mark same-sign.

As shown in Figure 10 A and Figure 10 B, the dry distillation of coal device of the present embodiment possesses above-mentioned destructive distillation dressPut main body 111 and above-mentioned carbonizing gas contact inhibition plate body 191, and possess non-active gas supplyDevice 201.

Non-active gas feedway 201 is sent mouth with the gas of hopper 117 and is arranged communicatively. Non-workProperty gas supply device 201 is the devices to the non-active gas 34 of approximately 400 DEG C of the interior supplies of hopper 117.As non-active gas 34, be and the nonreactive gas of destructive distillation charcoal 12 for example to enumerate nitrogen etc.By to the interior supply non-active gas 34 of hopper 117, this non-active gas 34 is through plate body 191 thusAnd between inner core 112 and logical to feed portion 115 effluents. Thus, can suppress carbonizing gas 21 entersEnter between inner core 112 and plate body 191. Destructive distillation charcoal 12 is discharged to hopper 117 from separating tank 116.It should be noted that, non-active gas 34 together with carbonizing gas 21 via gas discharge outlet 118 andGas outlet pipe 119 is discharged to outside system.

In such the present embodiment, by described carbonizing gas contact inhibition plate body 191 and described non-workProperty gas supply device 201 grades form low mercury content destructive distillation charcoal and generate mechanism.

Therefore, according to the dry distillation of coal device of the present embodiment, by thering is destructive distillation device main body 111, dryHeat up in a steamer gas contact inhibition plate body 191 and non-active gas feedway 201, and by non-active gas 34Supply with and this non-active gas 34 circulated between plate body 191 and inner core 112 to hopper 117,Can play thus the action effect same with the dry distillation of coal device of above-mentioned the 8th embodiment, and suppressCarbonizing gas 21 is to flowing between plate body 191 and inner core 112, even and plate body 191 with inThere is carbonizing gas 21 between 112 in cylinder, also can utilize non-active gas 34 by this carbonizing gas 21 toFeed portion 115 sides are discharged, and therefore can obtain more reliably the destructive distillation charcoal 12 that mercury content is few.

Embodiment 10

The dry distillation of coal device of the 10th embodiment of the present invention is described based on Figure 11.

The present embodiment is to replace the blast pipe that the dry distillation of coal device of above-mentioned the 1st embodiment has and increaseThe structure of heater. In the present embodiment, for the dry distillation of coal device of above-mentioned the 1st embodimentIdentical parts mark same-sign.

As shown in figure 11, the dry distillation of coal device of the present embodiment possesses above-mentioned destructive distillation device main body 111,And possesses heater 211.

Heater 211 is can be near destructive distillation charcoal 12 and the inner core 112 coal heating part outlet 112cDirect-fired device, possesses burner 212. The temperature of burner 212 is 1200～1300 DEG C,Destructive distillation charcoal 12 is heated to 400～450 DEG C of left and right insulation. Destructive distillation charcoal 12 is arranged from separating tank 116Go out to hopper 117.

In such the present embodiment, form low mercury content destructive distillation charcoal by described heater 211 gradesGenerate mechanism.

Therefore, according to the dry distillation of coal device of the present embodiment, by possessing destructive distillation device main body 111 and addingHot charging puts 211, and utilizes the burner 212 that heater 211 has to heat separating tank 116Neighbouring destructive distillation charcoal 12 and inner core 112, can make destructive distillation charcoal 12 be discharged to separating tank 116 thusBefore, do not cool off, can suppress because contacting caused carbonizing gas with the destructive distillation charcoal having cooled offIn mercury absorption, therefore can obtain the destructive distillation charcoal 12 that mercury content is few.

Embodiment 11

The dry distillation of coal device of the 11st embodiment of the present invention is described based on Figure 12 A and Figure 12 B.

The present embodiment is that the heater that the dry distillation of coal device of above-mentioned the 10th embodiment is possessed carries outThe structure that change forms. In the present embodiment, for the dry distillation of coal device of above-mentioned the 10th embodimentIdentical parts mark same-sign.

As shown in Figure 12 A and Figure 12 B, the dry distillation of coal device of the present embodiment possesses above-mentioned destructive distillation dressPut main body 111, and possess heater 221.

Heater 221 is can be near the destructive distillation charcoal coal heating part outlet 112c of inner core 11212 direct-fired devices, for example, be made up of revolving indirect heat exchange pipe 222. Heat exchanger tube 222Multiple in the interior configuration of inner core 112, be set to centered by the axle center of inner core 112, upwards to revolve in its weekTurn. The leading section 222a of heat exchanger tube 222 is configured in than described coal heating part outlet 112c by separating tankThe position of 116 sides. Supply with and have for example burnt gas, gas retort heated air waste gas at heat exchanger tube 222Deng the heated air 8 that is adjusted to set point of temperature. Therefore, by described in the interior supply of heat exchanger tube 222Heated air 8, and this heat exchanger tube 222 is rotated, thus near the separating tank 116 in inner core 112Destructive distillation charcoal 12 with contacted by the heat exchanger tube 222 of described heated air 8 warmed-up states, and changeThe destructive distillation charcoal 12 that heat pipe 222 contacts is directly heated. Thus, destructive distillation charcoal 12 be retained as 400～450 DEG C of left and right. Destructive distillation charcoal 12 is discharged to hopper 117 from separating tank 116. It should be noted that, willThe warmed-up heated air 9 of heat exchanger tube 222 is discharged to outside system.

In such the present embodiment, form low mercury content destructive distillation charcoal by described heater 221 gradesGenerate mechanism.

Therefore, according to the dry distillation of coal device of the present embodiment, by thering is destructive distillation device main body 111 and addingHot charging puts 221, and it is attached to utilize heat exchanger tube 222 that heater 221 has to heat separating tank 116Near destructive distillation charcoal 12, same with the dry distillation of coal device of above-mentioned the 10th embodiment thus, can make destructive distillationCharcoal 12 does not cool off during before being discharged to separating tank 116, can suppress because of with cooled off dryHeat up in a steamer charcoal and contact the absorption of the mercury in the carbonizing gas causing, can obtain the destructive distillation charcoal that mercury content is few12。

Embodiment 12

The dry distillation of coal device of the 12nd embodiment of the present invention is described based on Figure 13.

The present embodiment be replace heater that the dry distillation of coal device of above-mentioned the 11st embodiment possesses andIncrease the structure of oxidant feedway. In the present embodiment, for above-mentioned the 11st embodimentThe identical parts of dry distillation of coal device mark same-sign.

As shown in figure 13, the dry distillation of coal device of the present embodiment possesses above-mentioned destructive distillation device main body 111,And possesses oxidant feedway 231.

Oxidant feedway 231 is to export near 112c with respect to the coal heating part of inner core 112Destructive distillation charcoal 12 is supplied with the device of oxidant 42. Oxidant feedway 231 possesses the oxidant of formation and suppliesApparatus main body 232 and the oxidant supply pipe 233 in the source of giving. Oxidant supply pipe 233 and apparatus main body232 oxidant outlet is communicated with. Oxidant supply pipe 233 extends and joins along the axle center of inner core 112Put. Near the leading section of oxidant supply pipe 233, be provided with along its length multiple oxidant spraysMouth 234. Oxidant is for example the oxygen-containing gas (oxygen such as burnt gas, mist (air, nitrogen)Concentration: below 5%). Oxidant is for example 400～450 DEG C of left and right, is adjusted to and does not make destructive distillation charcoalThe 12 cooling and temperature that can react with destructive distillation charcoal 12. Therefore, when oxidant feedway 231Go out with respect to the coal heating part in inner core 112 via oxidant supply pipe 233 and oxidize nozzle 234When near destructive distillation charcoal 12 mouth 112c is supplied with oxidant 42, a part for destructive distillation charcoal 12, generationThe volatile ingredient combustion heating such as tar, heat near the destructive distillation charcoal 12 coal heating part outlet 112c.The destructive distillation charcoal 12b being heated is discharged to hopper 117 from separating tank 116.

In such the present embodiment, form low mercury content by described oxidant feedway 231 gradesDestructive distillation charcoal generates mechanism.

Therefore, according to the dry distillation of coal device of the present embodiment, by possessing destructive distillation device main body 111 and oxygenAgent feedway 231, and supply oxygen supply with respect near the destructive distillation charcoal 12 coal heating part outlet 112cAgent 42, thus in this position combustion heating, the destructive distillation charcoal 12b being heated is being discharged to separating tankDuring before 116, can not cool off, can suppress to contact caused destructive distillation with the destructive distillation charcoal having cooled offThe absorption of the mercury in gas, therefore can obtain the destructive distillation charcoal 12b that mercury content is few.

[other embodiment]

It should be noted that, in the 1st, the 2nd above-mentioned embodiment, illustrated and there is blast pipe 101Dry distillation of coal device, but can be also the blast pipe that possesses near side face leading section and be provided with multiple holesDry distillation of coal device.

Utilizability in industry

Dry distillation of coal device of the present invention can be manufactured the destructive distillation charcoal that mercury content is few, therefore in various industriesOn can extremely effectively utilize.

Description of reference numerals

1 heated air

6 preheating heated air

11 dry charcoals

12 destructive distillation charcoals

15 preheating and drying charcoals

16 destructive distillation charcoals

21 carbonizing gas

31～34 vector gas

42 oxidants

101 blast pipes

111 destructive distillation device main bodys

121 vector gas feedwaies

131 pre-heating and drying mechanisms

141,151 grading plants

181 destructive distillation charcoal circulations promote device

191 carbonizing gas contact inhibition plate bodys

201 non-active gas feedwaies

211,221 heaters

231 oxidant feedwaies

Claims

1. a dry distillation of coal device, it possesses destructive distillation device main body, this destructive distillation device main body have bySupply with the inner core of dry charcoal and the urceolus of the described inner core of covering, utilize the heat air that is supplied to described urceolusBody generates destructive distillation charcoal and carbonizing gas to the described dry charcoal indirect in described inner core,

Described dry distillation of coal device is characterised in that,

Described dry distillation of coal device also possesses low mercury content destructive distillation charcoal and generates mechanism, and this low mercury content is dryHeat up in a steamer charcoal and generate mechanism by suppressing the absorption of the contained mercury of described carbonizing gas to described destructive distillation charcoal, comeGenerate the poor described destructive distillation charcoal of described mercury,

It is the exhaust that the gas in described inner core is discharged that described low mercury content destructive distillation charcoal generates mechanismPipe,

The gas suction inlet of described blast pipe be configured in the length direction central portion of described inner core with by instituteState between the outlet of coal heating part of heated air heating.

2. dry distillation of coal device according to claim 1, is characterized in that,

Described dry distillation of coal device has the destructive distillation charcoal output mechanism that described destructive distillation charcoal is discharged,

Described dry distillation of coal device also possesses carrier from vector gas to described destructive distillation charcoal output mechanism that supply withGas supply mechanism.

3. dry distillation of coal device according to claim 2, is characterized in that,

Described dry distillation of coal device possesses the described heated air of discharging from described urceolus to described carrierThe heated air conveying mechanism that gas supply mechanism is carried.

4. dry distillation of coal device according to claim 3, is characterized in that,

Described heated air conveying mechanism possesses: the cooling body of cooling described heated air, to by instituteState purified treatment mechanism that the cooled refrigerating gas of cooling body carries out purified treatment, will be by described cleanChange the purification that the Purge gas after processing mechanism purified treatment is carried to described vector gas feed mechanismAir shooter.