CN208327940U - A kind of pyrolysis of coal gaseous product separator and system - Google Patents
A kind of pyrolysis of coal gaseous product separator and system Download PDFInfo
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- CN208327940U CN208327940U CN201820992005.0U CN201820992005U CN208327940U CN 208327940 U CN208327940 U CN 208327940U CN 201820992005 U CN201820992005 U CN 201820992005U CN 208327940 U CN208327940 U CN 208327940U
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- air flue
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- self controlling
- coal
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 47
- 239000003245 coal Substances 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 99
- 229910052751 metal Inorganic materials 0.000 claims abstract description 99
- 238000000926 separation method Methods 0.000 claims abstract description 58
- 238000007747 plating Methods 0.000 claims abstract description 44
- 239000003034 coal gas Substances 0.000 claims abstract description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 239000011229 interlayer Substances 0.000 claims description 10
- 239000000571 coke Substances 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 46
- 239000011280 coal tar Substances 0.000 abstract description 30
- 239000000047 product Substances 0.000 abstract description 25
- 239000000428 dust Substances 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 19
- 239000007787 solid Substances 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 12
- 238000000746 purification Methods 0.000 abstract description 10
- 239000012263 liquid product Substances 0.000 abstract description 4
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 239000008246 gaseous mixture Substances 0.000 description 11
- 238000002156 mixing Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 210000000952 spleen Anatomy 0.000 description 5
- 238000002309 gasification Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004058 oil shale Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- 239000002641 tar oil Substances 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The utility model discloses a kind of pyrolysis of coal gaseous product separator and system, and the utility model is suitable for the subsequent solid, liquid product separation of pyrolytic process of coal.The utility model method adjusts Self controlling valve unlatching and closure to realize the switching of pipeline, to complete separation dedusting and the blowback purification function of separator by program.Separator includes air flue, metal sandwich corrugated plating and metal coil pipe.Method described in the utility model heats coal tar using high temperature nitrogen, it is allowed to gasify, to separate dust and pyrolysis gas, and utilize coal gas " regeneration " device after purification, technical problem energy-efficient without additional energy and substance, that not only effective solution pyrolysis solid, liquid product difficulty separates, and process automatically controls, securely and reliably.
Description
Technical field
The utility model belongs to pyrolysis of coal field more particularly to thermal decomposition product separation field, and in particular to one kind is suitable for
The apparatus and system of the subsequent solid, liquid product separation of pyrolytic process of coal.
Background technique
Pyrolysis of coal is heated under conditions of referring to isolation air, and complicated physical change and change occur at different temperatures for coal
Reaction is learned, the process of solid, liquids and gases product is generated.Among coal resources in China processing and utilization approach, although low change
The middle low temperature pyrogenation technical research and application of matter coal are relatively broad and more mature, carbonization kiln pyrolytic process, solid occur
The pyrolytic processes such as heat carrier pyrolysis technique and rotary kiln pyrogenation technique, but pyrolysis of coal still remains pyrolysis low efficiency, product is received
The technical problems such as rate is not high, the difficult separation of product, waste water is difficult.
Current existing pyrolysis of coal product separation method has cyclonic separation, bag collection, electrically trapped tar oil etc., but due to dust quilt
Coal tar package, conventional method cannot thoroughly be kept completely separate coal tar and dust.The rotary separator benefit of Shen Wu group invention
Dust is filtered with filter element, then takes dust out of device using blowback air, however this method cannot be thoroughly by coal tar
The dust-filtering of package, dust and tar particles are possible to that filter element can be blocked, and are not easy to be blown out by blowback air.
Utility model content
To solve problems of the prior art.The purpose of this utility model is to provide a kind of pyrolysis of coal gaseous products
Separator and system, the utility model are suitable for the subsequent solid, liquid product separation of pyrolytic process of coal, the segregative line of the utility model
System adjusts Self controlling valve unlatching by program and is closed the switching to realize pipeline, net with the separation dedusting and blowback of finishing device
Change function.
The technical solution adopted in the utility model enters as follows:
A kind of pyrolysis of coal gaseous product separator, including the first air flue, the second air flue, two side plates and several metals
Interlayer corrugated plating；
Face setting before and after two side plates, from the left side of two side plates to the right, several metal sandwich corrugated platings are mutual
It in parallel and is arranged at intervals between two side plates, the front-rear side walls of all metal sandwich corrugated platings are fixed with two side plates respectively to be connected
It connects, from the lower part of two side plates to top, forms waveform channel between two adjacent metal sandwich corrugated platings；
The first metallic sieve is provided between two adjacent metal sandwich corrugated platings；The folder of each metal sandwich corrugated plating
Metal coil pipe for heating is provided in layer；
First air flue and the second air flue are connect with the upper and lower part of two side plates respectively, the first air flue and metal sandwich wave
The upper end in the waveform channel formed between card is connected to, and the waveform formed between the second air flue and metal sandwich corrugated plating is logical
The lower end in road is connected to.
First metallic sieve includes the metallic sieve of several segments single layer, and the first metallic sieve entirety fold-line-shaped is arranged adjacent
Two metal sandwich corrugated platings between, welded between the both ends that each section of the first metallic sieve and metal sandwich corrugated plating.
Top to the lower part in the waveform channel formed between two neighboring metal sandwich corrugated plating, the first metallic sieve
Height be waveform channel height 1/3.
The distance between two neighboring metal sandwich corrugated plating is not more than 3mm, and the first metallic sieve is 200 meshes.
The entrance of metal coil pipe is separately positioned on the upper and lower part of metal sandwich corrugated plating.
A kind of pyrolysis of coal gas product separation system, including two above-mentioned separators, high-temperature medium source, condenser, one
Secondary cyclone separator, secondary cyclone separator, several Self controlling valves and several pressure transmitters；Two separator difference
For the first separator and the second separator；
The outlet in high-temperature medium source is connect with the entrance of the metal coil pipe of two separators；
The outlet of cyclone separator connects with first the second air flue of separator and second the second air flue of separator
It connects；
The outlet of secondary cyclone separator connects with first the second air flue of separator and second the second air flue of separator
It connects；
First the second air flue of separator and second the second air flue of separator connect with the entrance of secondary cyclone separator
It connects；
First the first air flue of separator and second the first air flue of separator are connect with the entrance of condenser；
The outlet of condenser is separately connected with first the first air flue of separator and second the first air flue of separator；
Second air flue of the first separator and the second air flue of the second separator are respectively arranged with first pressure pick-up
Device and second pressure transmitter；
On pipeline between first the first air flue of separator and condensator outlet and the pipeline between condenser inlet
On the first Self controlling valve and the second Self controlling valve is respectively set；
First the second air flue of separator is provided with third Self controlling valve and the 4th Self controlling valve parallel with one another, and third is certainly
Control valve is arranged on the pipeline between first the second air flue of separator and secondary cyclone separator inlet；4th Self controlling valve
It is separately connected by pipeline and the outlet of secondary cyclone separator and the outlet of a cyclone separator；
On pipeline between second the first air flue of separator and condenser inlet and the pipeline between condensator outlet
On the 5th Self controlling valve and the 6th Self controlling valve is respectively set；
Second the second air flue of separator is provided with the 7th Self controlling valve and the 8th Self controlling valve parallel with one another, and the 7th certainly
Control valve is arranged on the pipeline between second the second air flue of separator and secondary cyclone separator inlet；8th Self controlling valve
It is separately connected by pipeline and the outlet of secondary cyclone separator and the outlet of a cyclone separator；
First Self controlling valve, third Self controlling valve, the 5th Self controlling valve and the 8th Self controlling valve with first pressure pick-up
Device connection；
Second Self controlling valve, the 4th Self controlling valve, the 6th Self controlling valve and the 7th Self controlling valve with second pressure pick-up
Device connection.
High-temperature medium source is the high temperature nitrogen that cooling semi-coke generates.
The utility model has the following beneficial effects:
The separator of the utility model passes through the metal coil pipe being arranged in the interlayer of metal sandwich corrugated plating can be right
Whole device is heated, and waveform channel, two adjacent metal clips are formed between two adjacent metal sandwich corrugated platings
The first metallic sieve is provided between layer corrugated plating, wherein waveform channel can increase the process of coal pyrolysis gas, make pyrolysis of coal
Gas is sufficiently heated, and the coal tar of package dust gasifies after being heated in coal pyrolysis gas, and then separates dust with coal tar, point
The dust separated out can be stopped to filter down by the first metallic sieve, and the coal gas in coal tar oil vapour and coal pyrolysis gas passes through wave
Whole device is discharged behind shape channel, and enters next procedure, the separator of the utility model is able to solve powder in the prior art
Dirt and coal tar are difficult to the problem being kept completely separate, and have separating effect outstanding feature.
The pyrolysis of coal gas product separation system of the utility model passes through several Self controlling valves, pressure transmitter and two sheets
The separator of utility model can be when the first separator be dusted separation, to second by the opening and closing of Self controlling valve
Separator carries out blowback purification；When the second separator is dusted separation, blowback purification is carried out to the first separator；
The fully automated control of the process, in production process, it is not necessary to stop production, therefore can be realized the continuous separation of pyrolysis of coal gaseous product
It crosses, substantially increases production efficiency, save time and economic cost, moreover it is possible to achieve energy-saving and emission reduction purposes, economic effect and ring
Border remarkable benefit.
Detailed description of the invention
Fig. 1 is the pyrolysis of coal gas product separation system schematic diagram of the utility model；
Fig. 2 is the utility model pyrolysis of coal gaseous product separator schematic diagram；
Fig. 3 is schematic diagram when the utility model separator separates pyrolysis of coal gaseous product；
Fig. 4 is the utility model separator blowback purification schematic diagram；
Fig. 5 is the utility model another kind separator schematic diagram；
Fig. 6 is the plate frame structure schematic diagram in the utility model another kind separator；
Fig. 7 is the metallic sieve group structural schematic diagram in the utility model another kind separator；
Fig. 8 is the structural schematic diagram after all metallic sieves combination in the utility model another kind separator；
Fig. 9 is the structural schematic diagram of the Combined sieve board in the utility model another kind separator；
Operation schematic diagram when Figure 10 is the utility model another kind separator as separation dirt pocket；
Figure 11 be the utility model another kind separator as blowback clean room when operation schematic diagram.
In figure, the first air flue of 1-, the second air flue of 1-1-, 2- metal coil pipe import, 3- metal coil outlets, 4- metal sandwich
Corrugated plating, 5- metal coil pipe, the first metallic sieve of 6-, 7- side plate, 8- high-temperature medium source, 9- condenser, cyclonic separation of 10-
Device, 11- secondary cyclone separator, the first Self controlling valve of 12-1-, the second Self controlling valve of 12-2-, 12-3- third Self controlling valve,
The 4th Self controlling valve of 12-4-, the 5th Self controlling valve of 12-5-, the 6th Self controlling valve of 12-6-, the 7th Self controlling valve of 12-7-, 12-8-
8th Self controlling valve, 13-1- first pressure transmitter, 13-2- second pressure transmitter, the first separator of 14-, 15- second
Separator, 16- drier；102- high-temperature gas intake header, 103- high-temperature gas outlet header, 104- metal sheet frame,
The second metallic sieve of 106-, 107- high-temperature gas inlet pipeline, 108- high-temperature gas outlet conduit, 109- Combined sieve board.
Specific embodiment
Below in conjunction with drawings and examples, specific embodiment of the present utility model is described in more details, with
Just the advantages of better understood when the embodiment of the utility model and its various aspects.
Referring to Figure 2 to Figure 4, the pyrolysis of coal gaseous product separator of the utility model, including the first air flue 1, the second gas
Road 1-1, two side plates 7 and several metal sandwich corrugated platings 4；
Two 7 front and back face of side plate settings, from the left side of two side plates 7 to the right, several 4 phases of metal sandwich corrugated plating
It is mutually parallel and be arranged at intervals between two side plates 7, the front-rear side walls of all metal sandwich corrugated platings 4 respectively with two side plates 7
It is fixedly connected, from the lower part of two side plates 7 to top, forms waveform channel between two adjacent metal sandwich corrugated platings 4；
The first metallic sieve 6 is provided between two adjacent metal sandwich corrugated platings 4；Each metal sandwich corrugated plating 4
Interlayer in be provided with metal coil pipe 5 for heating；
First air flue 1 and the second air flue 1-1 are connect with the upper and lower part of two side plates 7 respectively, the first air flue 1 and metal
The upper end in the waveform channel formed between interlayer corrugated plating 4 is connected to, shape between the second air flue 1-1 and metal sandwich corrugated plating 4
At waveform channel lower end connection.
Referring to Fig. 3 and Fig. 4, the first metallic sieve 6 includes the metallic sieve of several segments single layer, and the first metallic sieve 6 is whole
Fold-line-shaped is arranged between two adjacent metal sandwich corrugated platings 4, the both ends of the first 6 each sections of metallic sieve and metal sandwich
It is welded between corrugated plating 4.
Preferably, top to the lower part in the waveform channel formed between two neighboring metal sandwich corrugated plating 4, first
The height of metallic sieve 6 is the 1/3 of waveform channel height.The distance between two neighboring metal sandwich corrugated plating 4 is not more than
3mm, the first metallic sieve 6 are 200 meshes.The entrance (metal coil pipe import 2 and metal coil outlets 3) of metal coil pipe 5 point
The upper and lower part of metal sandwich corrugated plating 4 is not set.
As shown in Figure 1, in conjunction with Fig. 2, the pyrolysis of coal gas product separation system of the utility model, including two above-mentioned separation
If device, high-temperature medium source 8,9, cyclone separators 10 of condenser, secondary cyclone separator 11, several Self controlling valves and
Dry pressure transmitter；Two separators are respectively the first separator 14 and the second separator 15；
The outlet in high-temperature medium source 8 is connect with the entrance of the metal coil pipe 5 of two separators；
The outlet of cyclone separator 10 and 14 second air flue 1-1 of the first separator and the second separator 15 second
Air flue 1-1 is all connected with；
The outlet of secondary cyclone separator 11 and 14 second air flue 1-1 of the first separator and the second separator 15 second
Air flue 1-1 is all connected with；
First separator, 14 second air flue 1-1 and 15 second air flue 1-1 of the second separator are separated with secondary cyclone
The entrance of device 11 connects；
First separator, 14 first air flue 1 and 15 first air flue 1 of the second separator connect with the entrance of condenser 9
It connects；
The outlet of condenser 9 connects respectively with 14 first air flue 1 of the first separator and 15 first air flue 1 of the second separator
It connects；
Second air flue 1-1 of the first separator 14 and the second air flue 1-1 of the second separator 15 is respectively arranged with
One pressure transmitter 13-1 and second pressure transmitter 13-2；
On pipeline between first separator, 14 first air flue 1 and the outlet of condenser 9 and between 9 entrance of condenser
The first Self controlling valve 12-1 and the second Self controlling valve 12-2 are respectively set on pipeline；
First separator, 14 second air flue 1-1 is provided with third Self controlling valve 12-3 and the 4th internally piloted valve parallel with one another
Door 12-4, third Self controlling valve 12-3 setting is in 14 second air flue 1-1 of the first separator and 11 entrance of secondary cyclone separator
Between pipeline on；Outlet and a cyclone separator of the 4th Self controlling valve 12-4 by pipeline and secondary cyclone separator 11
10 outlet is separately connected；
On pipeline between second separator, 15 first air flue 1 and 9 entrance of condenser and between the outlet of condenser 9
The 5th Self controlling valve 12-5 and the 6th Self controlling valve 12-6 is respectively set on pipeline；
Second separator, 15 second air flue 1-1 is provided with the 7th Self controlling valve 12-7 and the 8th internally piloted valve parallel with one another
Door 12-8, the 7th Self controlling valve 12-7 setting is in 15 second air flue 1-1 of the second separator and 11 entrance of secondary cyclone separator
Between pipeline on；Outlet and a cyclone separator of the 8th Self controlling valve 12-8 by pipeline and secondary cyclone separator 11
10 outlet is separately connected；
First Self controlling valve 12-1, third Self controlling valve 12-3, the 5th Self controlling valve 12-5 and the 8th Self controlling valve 12-8
It is connect with first pressure transmitter 13-1；
Second Self controlling valve 12-2, the 4th Self controlling valve 12-4, the 6th Self controlling valve 12-6 and the 7th Self controlling valve 12-7
It is connect with second pressure transmitter 13-2.
As shown in Figure 1, in conjunction with Fig. 2~Fig. 4, by the pyrolysis of coal gas product separation system of the utility model to pyrolysis of coal
Gaseous product carries out separation method, and process is as follows:
Step 1, high-temperature medium source 8 is passed through high-temperature medium into metal coil pipe 5, by the first separator 14 and the second separation
The first metallic sieve 6 in device 15 is heated to 300 DEG C or more；At this point, the 8th Self controlling valve 12-8 and the 5th Self controlling valve 12-
5 open, remaining Self controlling valve is turned off；Coal pyrolysis gas is passed through a cyclone separator 10 and is dusted separation；
Step 2, then by the mixed gas after cyclone separator 10 separates from 15 second air flue of the second separator
1-1 is passed through the second separator 15 and is dusted separation, and when dedusting separates, the solid particle in gaseous mixture is by the first metallic sieve
6 filterings, the coal tar oil gasification of dust is wrapped up in gaseous mixture, separates dust with coal tar, and coal tar oil vapour and coal gas are from second
15 first air flue 1 of separator escapes and enter condenser 9, and in condenser 9, coal tar oil vapour is condensed liquefaction and from condensation
The liquid outlet of device 9 is discharged, and obtains clean gas, and clean gas is discharged from 9 exhaust outlet of condenser；
Step 3, when second pressure transmitter 13-2 detects the pressure of 15 second air flue 1-1 of the second separator beyond pre-
If when value range, the detection letter of the 8th Self controlling valve 12-8 and the 5th Self controlling valve 12-5 reception second pressure transmitter 13-2
Number, and the 8th Self controlling valve 12-8 and the 5th Self controlling valve 12-5 is closed, meanwhile, the 4th Self controlling valve 12-4 and the second internally piloted valve
Door 12-5 is opened, and the mixed gas after a separation of cyclone separator 10 is dusted separation by the first separator 14；So
The 6th Self controlling valve 12-6 and the 7th Self controlling valve 12-7 is opened afterwards, and the cleaning coal gas of 9 exhaust outlet of condenser discharge is from second point
Enter the second separator 15 from 15 first air flue of device, to the solid particle on 15 first metallic sieve 6 of the second separator
Carry out blowback, be detached from solid particle from the first metallic sieve 6, then again from 15 second air flue 1-1 of the second separator into
Enter secondary cyclone separator 11, secondary cyclone separator 11 separates the coal gas for carrying blowback solid particle, through secondary
Through the 4th Self controlling valve 12- after the gas mixing that coal gas after the separation of cyclone separator 11 is exported with a cyclone separator 10 again
4 are dusted separation into the first separator 14, when second pressure transmitter 13-2 detects the second separator 15 second
When the pressure of air flue 1-1 reaches preset range value, the 6th Self controlling valve 12-6 and the 7th Self controlling valve 12-7 are closed；
Step 4, when first pressure transmitter 13 detects the pressure of 14 second air flue 1-1 of the first separator beyond default
When value range, the detection signal of the 4th Self controlling valve 12-4 and the second Self controlling valve 12-5 reception first pressure transmitter 13, and
The 4th Self controlling valve 12-4 and the second Self controlling valve 12-5 are closed, meanwhile, the 8th Self controlling valve 12-8 and the 5th Self controlling valve 12-
5 open, a cyclone separator 10 and secondary cyclone separator 11 separate after mixed gas by the second separator 15 into
Row dedusting separation；Then the first Self controlling valve 12-1 and third Self controlling valve 12-3 is opened, the cleaning of 9 exhaust outlet of condenser discharge
Coal gas enters the first separator 14 from 1 first air flue 1 of the first separator, on 1 first metallic sieve 6 of the first separator
Solid particle carry out blowback, be detached from solid particle from the first metallic sieve 6, then again from the first separator 14 second
Air flue 1-1 enters secondary cyclone separator 11, and secondary cyclone separator 11 divides the coal gas for carrying blowback solid particle
From after the gas mixing that the coal gas after the separation of secondary cyclone separator 11 is exported with a cyclone separator 10 again certainly through third
Control valve 12-3 enters the second separator 15 and is dusted separation, when first pressure transmitter 13-1 detects that the first separation fills
When setting the pressure of 14 second air flue 1-1 and reaching preset range value, the first Self controlling valve 12-1 and third Self controlling valve 12-3 are closed；
Step 5, step 3 is repeated to step 4, realizes the lasting separation to pyrolysis of coal gaseous product.
When the pyrolysis of coal gas product separation system of the utility model separates pyrolysis of coal gaseous product:
The high temperature nitrogen generated using cooling semi-coke is as heat source heating and separating device；
Opening a group Self controlling valve, (a group Self controlling valve includes the first Self controlling valve 12-1, third Self controlling valve 12-3, the 5th
Self controlling valve 12-5 and the 8th Self controlling valve 12-8) when, closing b group Self controlling valve, (b group Self controlling valve includes the second Self controlling valve
12-2, the 4th Self controlling valve 12-4, the 6th Self controlling valve 12-6 and the 7th Self controlling valve 12-7)；
The is threaded through at this point, venting one's spleen from the heat of mixing for being mingled with a small amount of dust that the separation of cyclone separator 10 is completed
Two separators 15 carry out separation dedusting, and the second separator 15 is as separation dirt pocket at this time, when separating dedusting, wrap up dust
Coal tar contact high-temperature metal interlayer corrugated plating 4 and the first metallic sieve 6 after gasify, separate dust with coal tar, coal tar
Oil vapour and coal gas pass through separation dirt pocket, go to condensation workshop section, condense coal tar oil vapour by condenser 9, obtain Filter Tuber For Clean Coal
Gas；
Condensed a part of clean gas can be from the first separator 14 by the first Self controlling valve 12-1 of control
First air flue 1 enters the first separator 14, and the first separator 14 purifies dirt room, the clean gas being passed through as blowback at this time
Blowback purification can be carried out to the first separator 14, when blowback purifies, this part clean gas can will be stuck in ripple plate stitch
Gap and the dust blowback for being gathered in air flue are fallen, and are then discharged from the second air flue 1-1 of the first separator 14, then go secondary rotation
Wind separator；
The pyrolysis gas for being mingled with micro dust after the separation of secondary cyclone separator returns to the second separator 15；Second
The second pressure transmitter 13-2 and coupled Self controlling valve being arranged in separator 15 are chain, when second pressure transmitter
When 13-2 detects that pressure is excessive, second pressure transmitter 13-2 controls Self controlling valve connected to it and opens and be closed, separation
Dirt pocket and blowback clean room exchange function, i.e., when the second separator 15 is as separation dirt pocket, the first separator 14
Dirt room is purified as blowback；When the first separator 14 is as dust separation room, the second separator 15 is purified as blowback
Dirt room, moves in circles according to this, can be realized the lasting separation to pyrolysis of coal gaseous product.
It opens in a group Self controlling valve and b group Self controlling valve, wherein another group is in closed state when one group of unlatching.Work as dress
Set interior pressure it is excessive when, change Self controlling valve group open and closed state, carry out blowback purification.
Preferably, high temperature nitrogen airintake direction with separate dedusting pyrolysis gas airintake direction on the contrary, with blowback clean gas into
Gas direction is identical.
The separator of the utility model also can be used such as flowering structure:
As shown in figure 5, separator include the first air flue 1, the second air flue 1-1 and several Combined sieve boards 109, each group
Closing sieve plate 109 has entrance and exit；
Referring to Fig. 6~Fig. 9, Combined sieve board 109 includes metal sheet frame 104, metal coil pipe 5 and the second metallic sieve 106, gold
Category sheet frame 104 is the frame structure with entrance, outlet and side wall, and metal coil pipe 5 is arranged on the side wall of metal sheet frame 104,
The entrance of metal coil pipe 5 is separately positioned on the both ends (see Fig. 6) of metal sheet frame 104, the entrance of all metal sheet frames 104 and
The connection of one air flue 1, the outlet of all metal sheet frames 104 are connected to the second air flue 1-1 (see Fig. 5), the setting of the second metallic sieve 106
Multiple and setting, (see Fig. 9), is welded in metal sheet frame 104 between the second metallic sieve 106 and metal sheet frame 104；Along metal
The entrance of sheet frame 104 to export direction, the mesh number of the second metallic sieve 106 is incremented by (see Fig. 8)；
Referring to Fig. 5, the entrance (i.e. high-temperature gas inlet pipeline 107) of all metal coil pipes 5 with high-temperature gas import
General pipeline 102 is connected to, the outlet (i.e. high-temperature gas outlet conduit 108) of all metal coil pipes 5 and high-temperature gas outlet header 103
Connection.
As shown in Fig. 8 and Fig. 7, the second all metallic sieves 6 divides for several metallic sieve groups, each metallic sieve group
Including the identical metallic sieve of three pieces single layer mesh number, the Z-shape structure setting of the metallic sieve of three pieces single layer (see Fig. 7)；Each list
The metallic sieve of layer and the axis in 104 entrance direction of metal sheet frame are non-90 degree angle (see Fig. 9 to Figure 11).
As shown in Figure 8, it is preferred that along one end of metal sheet frame 104 to the other end, the mesh number of metallic sieve group is followed successively by
120 mesh, 140 mesh, 170 mesh and 200 mesh are incremented by setting.
Referring to Fig. 6, preferably along one end of metal sheet frame 104 to the other end, disk is set to metal to metal coil pipe 5 in the shape of a spiral
The side wall of sheet frame 104；And, it is preferred that when the cross section of metal sheet frame 104 is rectangle, in each side of metal sheet frame 104
On wall, metal coil pipe 5 is that continuous S-shaped or fold-line-shaped detour are arranged.
Preferably, the side wall of the metal sheet frame 104 of the utility model has sandwich, and metal coil pipe 5 is arranged in interlayer
Interior, metal coil pipe 5 is close to interlayer wall, and interlayer wall is the metal material that readily conducts heat, with a thickness of 2mm；Metal coil pipe 5 is high temperature resistant gold
Belong to pipe bending to be made, pipeline specifications are
Coal tar exists in the form of coal tar oil and gas in hot environment, can be by mixed gas using solid gas separator
In the separation of trace solid particle, further separating liquid gas product.By the separator of the utility model to pulverized coal pyrolysis
The process that dust is separated with coal tar, coal gas afterwards is following (referring to Fig. 5~Figure 11):
High-temperature medium is passed through into metal coil pipe 5 by high-temperature gas intake header 102 to add entire separator
Heat, when the temperature of the second metallic sieve 106 is reached 300 DEG C or more, then by the gaseous mixture after pulverized coal pyrolysis from the first air flue 1
It is passed through the inner cavity of metal sheet frame 104, gaseous mixture is heated in the inner cavity of metal sheet frame 104, and what is be heated closes the coal tar in gas
Gasification, when gaseous mixture passes through the second metallic sieve 106, solid particle is filtered by the second metallic sieve 106, and coal tar oil gasification generates
Coal tar oil and gas and coal gas be discharged by the second metallic sieve degassing, and from the outlet of metal sheet frame 104 second air flue 1-1；
When increasing from the pressure drop of 1 to the second air flue 1-1 of the first air flue, stopping is passed through the gaseous mixture after pulverized coal pyrolysis, then
It is passed through purification gas from the second air flue 1-1 to the inner cavity of metal sheet frame 104, makes the solid particle on metallic sieve 106 and second
Metallic sieve 106 separates, and the solid particle isolated is discharged from 104 entrance of metal sheet frame through the first air flue 1.
Preferably, during the separation process, make the flow direction and metal of the gaseous mixture in single Combined sieve board 109 after pulverized coal pyrolysis
The flow direction of high-temperature medium is opposite in coil pipe 5.
In the utility model, using high-temperature gas as high-temperature medium, temperature is 350 DEG C or more, and high-temperature gas passes through gold
Belong to coil pipe and metallic sieve is heated to 300 DEG C or more, the gaseous mixture containing coke fines, coal tar oil and gas and coal gas is heated, and is made
Coal tar oil gasification in gaseous mixture, solid particle are stuck in metallic sieve, coal tar oil and gas and coal gas and go air-liquid point by metallic sieve
From workshop section, to realize the isolation of purified function of separator.When separator is from the pressure of 1 to the second air flue 1-1 of the first air flue
When falling-rising is high, it is reversely blown into purified coal gas to separator, the solid product being stuck on sieve is blown out into separator, from
And separator is made to separate dedusting function " regeneration ".
As shown in Figure 10, gaseous mixture containing coke fines, coal tar oil and gas and coal gas is from 104 lower part of metal sheet frame (i.e. entrance)
Into top (exports) evolution, this process is dedusting separation process；As shown in figure 11, blowback air is then from metal sheet frame 104
Top (exporting) enters, lower part (i.e. entrance) evolution.
It is the structure after the separator of two the utility model is connected with each other referring to Fig. 5, two separators are respectively
Separator A and separator B, separator A and separator B are symmetrical set, when being dusted, from primary rotation
The heat of mixing for being mingled with a small amount of dust of wind separation is vented one's spleen to be dusted by separator A, and separating device A is used as separation dirt pocket,
Gasify after the coal tar contact high-temperature metal sieve of package dust, separates dust with coal tar, coal tar oil vapour and coal gas are worn
Separation dirt pocket is crossed, condensation workshop section is gone to.When the pressure drop of 1 to the second air flue 1-1 of the first air flue of separator A increases, switching one
The heat of mixing for being mingled with a small amount of dust of secondary cyclonic separation is vented one's spleen to be dusted by separator B, condensed by workshop section is condensed
A part of clean gas is reversely passed through in separator A, realizes that the blowback to separator A purifies, separator A is anti-at this time
Blow clean room, in blowback purification process, clean gas blowback is stuck in separator A metal sieve plate gap and accumulates in the powder of air flue
Dirt takes dust out of separator A, into secondary cyclone separator.Being mingled with after the separation of secondary cyclone separator is micro
The pyrolysis gas of dust is dusted into separator B with gaseous mixture mixing another after a cyclonic separation and separates；
When the pressure drop of 1 to the second air flue 1-1 of the first air flue of separator B increases, switching gas circuit makes separator A again
Secondary vent one's spleen as separation dirt pocket the heat of mixing carries out separation dedusting, and separator B is used as blowback clean room to carry out itself again
Blowback purification, recycle according to this, achieve the purpose that continuously to separate dedusting.
The apparatus, system and method for the utility model applies also for the pyrolysis of the raw materials such as oil shale, biomass, peat, sludge
The coal tar oil vapour and the coal gas heat of mixing of generation, which are vented one's spleen, carries out thermal decomposition product separation.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application.Although referring to embodiment to this reality
Be described in detail with novel, it will be apparent to an ordinarily skilled person in the art that do not depart from the utility model spirit and
Under the premise of range to the utility model carry out modification or equivalent substitute, should all cover the scope of the utility model it
It is interior.
Claims (7)
1. a kind of pyrolysis of coal gaseous product separator, which is characterized in that including the first air flue (1), the second air flue (1-1), two
A side plate (7) and several metal sandwich corrugated platings (4)；
Face setting before and after two side plates (7), from the left side of two side plates (7) to the right, several metal sandwich corrugated platings (4)
Be parallel to each other and be arranged at intervals between two side plates (7), the front-rear side walls of all metal sandwich corrugated platings (4) respectively with two
Side plate (7) is fixedly connected, and from the lower part of two side plates (7) to top, is formed between two adjacent metal sandwich corrugated platings (4)
Waveform channel；
The first metallic sieve (6) are provided between two adjacent metal sandwich corrugated platings (4)；Each metal sandwich corrugated plating
(4) metal coil pipe (5) for heating is provided in interlayer；
First air flue (1) and the second air flue (1-1) are connect with the upper and lower part of two side plates (7) respectively, the first air flue (1) with
The upper end in the waveform channel formed between metal sandwich corrugated plating (4) is connected to, the second air flue (1-1) and metal sandwich corrugated plating
(4) lower end in the waveform channel formed between is connected to.
2. a kind of pyrolysis of coal gaseous product separator according to claim 1, which is characterized in that the first metallic sieve
(6) include several segments single layer metallic sieve, the first metallic sieve (6) entirety fold-line-shaped two adjacent metal sandwich are set
Between corrugated plating (4), welded between the both ends and metal sandwich corrugated plating (4) of each section of the first metallic sieve (6).
3. a kind of pyrolysis of coal gaseous product separator according to claim 1, which is characterized in that along two neighboring metal
The height of top to the lower part in the waveform channel formed between interlayer corrugated plating (4), the first metallic sieve (6) is logical for waveform
The 1/3 of road height.
4. a kind of pyrolysis of coal gaseous product separator according to claim 1, which is characterized in that two neighboring metal clip
The distance between layer corrugated plating (4) is not more than 3mm, and the first metallic sieve (6) is 200 meshes.
5. a kind of pyrolysis of coal gaseous product separator according to claim 1, which is characterized in that metal coil pipe (5)
Entrance is separately positioned on the upper and lower part of metal sandwich corrugated plating (4).
6. a kind of pyrolysis of coal gas product separation system, which is characterized in that including high-temperature medium source (8), condenser (9), primary
Cyclone separator (10), secondary cyclone separator (11), several Self controlling valves, several pressure transmitters and two rights are wanted
Seek separator described in 1-5 any one；Two separators are respectively the first separator (14) and the second separator
(15)；
The outlet in high-temperature medium source (8) is connect with the entrance of the metal coil pipe (5) of two separators；
The outlet of cyclone separator (10) and (14) second air flue (1-1) of the first separator and the second separator (15)
Second air flue (1-1) is all connected with；
The outlet of secondary cyclone separator (11) and (14) second air flue (1-1) of the first separator and the second separator (15)
Second air flue (1-1) is all connected with；
(14) second air flue (1-1) of first separator and (15) second air flue (1-1) of the second separator are and secondary cyclone
The entrance of separator (11) connects；
(14) first air flue (1) of first separator and (15) first air flue (1) of the second separator enter with condenser (9)
Mouth connection；
The outlet of condenser (9) and (15) first air flue (1) of (14) first air flue (1) of the first separator and the second separator
It is separately connected；
The second air flue (1-1) of first separator (14) and the second air flue (1-1) of the second separator (15) are respectively set
There are first pressure transmitter (13-1) and second pressure transmitter (13-2)；
(14) first air flue (1) of first separator and condenser (9) outlet between pipeline on and with condenser (9) entrance it
Between pipeline on the first Self controlling valve (12-1) and the second Self controlling valve (12-2) is respectively set；
(14) second air flue (1-1) of first separator is provided with third Self controlling valve (12-3) and the 4th automatic control parallel with one another
Valve (12-4), third Self controlling valve (12-3) setting is in (14) second air flue (1-1) of the first separator and secondary cyclone point
From on the pipeline between device (11) entrance；4th Self controlling valve (12-4) passes through the outlet of pipeline and secondary cyclone separator (11)
Outlet with a cyclone separator (10) is separately connected；
It is exported on pipeline between (15) first air flue (1) of second separator and condenser (9) entrance and with condenser (9)
Between pipeline on the 5th Self controlling valve (12-5) and the 6th Self controlling valve (12-6) is respectively set；
(15) second air flue (1-1) of second separator is provided with the 7th Self controlling valve (12-7) and the 8th automatic control parallel with one another
Valve (12-8), the setting of the 7th Self controlling valve (12-7) is in (15) second air flue (1-1) of the second separator and secondary cyclone point
From on the pipeline between device (11) entrance；8th Self controlling valve (12-8) passes through the outlet of pipeline and secondary cyclone separator (11)
Outlet with a cyclone separator (10) is separately connected；
First Self controlling valve (12-1), third Self controlling valve (12-3), the 5th Self controlling valve (12-5) and the 8th Self controlling valve
(12-8) is connect with first pressure transmitter (13-1)；
Second Self controlling valve (12-2), the 4th Self controlling valve (12-4), the 6th Self controlling valve (12-6) and the 7th Self controlling valve
(12-7) is connect with second pressure transmitter (13-2).
7. a kind of pyrolysis of coal gas product separation system according to claim 6, which is characterized in that high-temperature medium source (8)
The high temperature nitrogen generated for cooling semi-coke.
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| Publication number | Priority date | Publication date | Assignee | Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108587694A (en) * | 2018-06-26 | 2018-09-28 | 西安建筑科技大学 | A kind of pyrolysis of coal gaseous product separator, system and method |
| CN108587694B (en) * | 2018-06-26 | 2024-04-09 | 西安建筑科技大学 | Device, system and method for separating coal pyrolysis gas products |
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