CN206256029U - A kind of split type dry coal dust gasification furnace of Quench - Google Patents
A kind of split type dry coal dust gasification furnace of Quench Download PDFInfo
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- CN206256029U CN206256029U CN201621121592.3U CN201621121592U CN206256029U CN 206256029 U CN206256029 U CN 206256029U CN 201621121592 U CN201621121592 U CN 201621121592U CN 206256029 U CN206256029 U CN 206256029U
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Abstract
The utility model belongs to Coal Chemical Industry, coke gasification domain variability and is related to chemical industry equipment technology, more particularly to a kind of split type dry coal dust gasification furnace of Quench.It includes gasification furnace burner hearth, burner, shock chamber；Described gasification furnace burner hearth includes housing, burner hearth import, furnace outlet, combustion chamber and water-cooling wall；Described burner hearth import is connected with burner；Described furnace outlet is connected with shock chamber's import large flange；Described burner includes central oxygen, dry pulverized coal passage, gasifying agent passage, blast tube, purge passage, water leg water inlet, water leg delivery port, burner large flange；Described burner large flange is connected with burner hearth import；Burner uses four runner designs, the runner of burner four to be followed successively by combustion gas, central oxygen, dry pulverized coal, gasifying agent passage from inside to outside.The utility model can lower the temperature high-temperature water gas chilling, while the slag of generation of gasifying is efficiently separated with water-gas, washing is separated and good effect of heat exchange, and facility compact is reliable, cheap, can be changed into the water-gas of relative clean.
Description
Technical field
The utility model belongs to Coal Chemical Industry, coke gasification domain variability and is related to chemical industry equipment technology, more particularly to a kind of Quench
Split type dry coal dust gasification furnace.
Background technology
The integrated setting of the dry coal dust gasification furnace gasification combustion chamber of traditional chilling process and shock chamber, shock chamber and gasification
Combustion chamber height ratio is typically larger than 1：1, therefore gasification installation main body factory building is higher, generally higher than 56 meters, equipment and structural construction cost
With higher, cause coal gasification to invest larger, larger financial pressure is brought to investor, influence the economy of project.In addition
The chilling ring material that traditional shock chamber is set requires that high, difficulty of processing is big and needs periodic replacement, and the quantities of replacing is larger, disappears
Consume the man power and material for increasing.
The content of the invention
The purpose of this utility model is to solve above-mentioned technical problem present in prior art, there is provided a kind of Quench split
The dry coal dust gasification furnace of formula, can realize split by gasification combustion chamber and shock chamber, while significantly shortening the height of shock chamber, use
Cracked gas after Quench is taken out of to rear system together with chilled water and is separated, and meets the cracking air cooling and lime-ash of fine coal gasification process
The requirement for smoothly excluding, gasification furnace agent set is highly greatly reduced, and construction investment has larger reduction, and checking maintenance is just
Victory, with high engineer applied and project economic operation value.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that：
A. combustion chamber and shock chamber use split-type structural；B. Quench adds down-comer water-bath to swash using ripe chilling ring
Air-cooled structure；C. nozzle uses four-way structure；
A kind of split type dry coal dust gasification furnace of Quench, it includes gasification furnace burner hearth, burner, shock chamber；
Described gasification furnace burner hearth includes housing, burner hearth import, furnace outlet, combustion chamber and water-cooling wall；Described burner hearth
Import is connected with burner；Described furnace outlet is connected with shock chamber's import large flange；
Described burner includes central tube, dry pulverized coal passage, gasifying agent passage, water leg, water leg water inlet pipe, water leg
Delivery port, burner large flange, combustion gas, blowing tracheae；Described burner large flange is connected with burner hearth import；
Burner use four runner designs, the runner of burner four be followed successively by from inside to outside combustion gas, central oxygen, dry pulverized coal passage,
Gasifying agent passage；
Described shock chamber include Quench reative cell, Quench water tank, chilled water ring cavity, chilled water baffle plate, Quench water inlet,
Water-gas outlet, shock chamber's import large flange, shock chamber's outlet large flange, water-cooled protective bulkhead, gas phase pipe, balance pipe；Described
Shock chamber's outlet large flange is connected with the lock hopper slagged tap, and water-gas outlet is connected with the gas-liquid separator of rear system；
Combustion gas is connected with central oxygen pipe using flange；Central oxygen pipe is connected with dry pulverized coal passage using flange；
Dry pulverized coal passage is connected with the outer endless tube of fire retardant at the middle part of burner using flange；
, in the outside of burner, with burner large flange using welding up and down, water leg is under burner large flange for fire retardant outer shroud
Portion's outermost, is connected with burner large flange using welding manner, while water leg water inlet pipe is big in burner with water leg outlet pipe
The perforate of flange top is simultaneously connected using welding manner, and water leg water inlet pipe is deep into water leg bottom, it is ensured that burner cooling water has
Effect flowing, protects burner.
Further,
Quench water tank is located at shock chamber top, using welding manner by chilled water baffle plate and Quench chamber enclosure, gas phase pipe phase
Even, Quench water tank is formed, chilled water ring cavity is the ring-shaped cavity that import large flange in shock chamber's is formed with gas phase pipe, chilled water
Entrance is located at chilled water baffle plate top, and chilled water enters Quench water tank from Quench water inlet, then is gone out along gas by chilled water ring cavity
To Quench reative cell, water-gas outlet is located at chilled water baffle plate bottom to the overflow of phase inside pipe wall, and gasification furnace carrys out cracked gas by Quench
Import large flange in room meets cooling into shock chamber and chilled water ring cavity chilled water out, is further cooled down in Quench reative cell
Water-gas is formed, and separates slag discharging and drain into lock hopper from shock chamber's outlet large flange, water-gas is exported with chilled water from water-gas
Subsequent handling is delivered to separate, wash.Water-cooled protective bulkhead is connected with gasifier water-cooling wall coil pipe, deeply to the Quench on shock chamber top
Water ring chamber outside, is used to protect chilled water ring cavity.
Further, combustion chamber and shock chamber are split-type structural, and both detachably separate.
Further, gasification furnace furnace shell inside is set in annular disk pipe fin panel casing, water-cooling wall and is forced using demineralized water
Circulating cooling protects gasification furnace furnace shell, while being equipped with drum by-product low-pressure steam.
Further, chilled water ring cavity and delivery port as water-cooled protective bulkhead rear, the chilled water ring cavity and water outlet
The upper edge of the neighbouring shock chamber of mouth.
Further, gasification furnace furnace shell is made of steel, and it is 1.0 to design pressure-resistant --- 4.0MPa.
Shock chamber's simple structure, design are compact, cheap, while short and small shock chamber's design makes whole gasification furnace highly
Decline to a great extent, engineering investment cost is significantly reduced, project construction cycle time, Project Economy Benefit is objective.
Gasify produce cracked gas by Quench cooling after together with chilled water by shock chamber's water-gas export together with enter
System carries out gas-liquid separation, shock chamber's middle part not water outlet afterwards.
Shock chamber is not provided with pulp water circulating pump, and lock hopper is advanced into certainly using the Action of Gravity Field of slag.
Described burner use four flow passage structures, including Gas Pipe, central oxygen pipe, dry pulverized coal endless tube, gasifying agent endless tube and
Combustion gas and combustion adjuvant shared design are realized in burner large flange, combustion gas, central oxygen, are carried out and are risen gentle start-of-run integration, middle
Burner is changed without, cooling is designed using the water leg of innovation formula, and outer wall thickeies, its object is to can be with sherardizing steel；It is resistance to
Hyperthermia radiation is strong, good cooling results.
The utility model is by adopting the above-described technical solution, have the advantages that：
Gasification combustion chamber and shock chamber's split design are realized that both are effective by the utility model
Combination.Gasifying agent is sufficiently mixed by center oxygen, gasifying agent endless tube and the coal dust for entering dry pulverized coal passage, and is sprayed
Enter gasification furnace burner hearth；Gasification combustion chamber is designed using water-cooling wall, is condensed lime-ash rapidly using the low temperature of water-cooling wall, in water-cooling wall
It is upper to form thicker dross, reach with slag anti-slag, prevent slag washing away and corrode to water-cooling wall；Cracked gas is produced to go out after burning
Gasification furnace burner hearth enters shock chamber, and with chilled water directly contact and instantaneous cooling cooling, the lime-ash after Quench is discharged into lock hopper
To automatic submerged slag conveyer, the water-gas after Quench cooling carries out gas-liquid separation together with chilled water into rear system；Quench water cavity is adopted
Circular-gap direct current method is used, water is big, and central tube moisture film effect is good, change convenient, and due to shock chamber's small volume, shock chamber does not arrange
Water, gas-liquid contact time is long, and cooling and sediment effect are more preferable, it is not necessary to uses traditional lock hopper circulating pump, reduces energy consumption, energy
It is changed into the water-gas of relative clean, with high actual application value.
Utility model design the short and small practicality in shock chamber, its highly with the ratio of gasification furnace vaporizer
Example is 1：2, the ratio of diameter and gasification furnace furnace shell is 1：2, the body height that so gasifies is greatly reduced, equipment and soil
Expense is built effectively to reduce；And the Design of length of shock chamber's central tube is rationally, the active force of air-flow accelerates the sedimentation of lime-ash, is beneficial to
Collection slag deslagging, thus lock hopper circulating pump can be cancelled, shorten flow, reduce investment and operating cost.
The utility model uses four flow passage structures in burner design, and combustion gas, central oxygen realize that combustion gas and combustion adjuvant are shared
Design, initially intensification combustion gas, central oxygen carry out heating up in stove jointly, realize the integration of driving that heats up, centre is not required to change burns
Mouth.Burner outside sets water leg, and water leg is provided with water leg water inlet pipe and water leg delivery port, and the outer wall of water leg adds
Thickness, can be entered, and from the discharge of water leg delivery port, can absorb spray with resistance to erosion, corrosion, and cooling water from water leg water inlet pipe
The heat that mouth is produced, with good cooling results, high temperature resistant radiation is strong.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the split type dry coal dust gasification furnace of Quench of the utility model；
Fig. 2 is the structural representation of nozzle in the utility model；
Fig. 3 is the structural representation of shock chamber in the utility model.
Specific embodiment：
Below with reference to the accompanying drawings the utility model is described in detail：
As shown in Fig. 1, according to the split type gasification furnace of a kind of Quench that the utility model is implemented, it includes gasification furnace burner hearth
8th, burner 1, shock chamber 6；
Described gasification furnace burner hearth 8 includes housing 3, burner hearth import 9, furnace outlet 5, combustion chamber 7 and water-cooling wall 2, described
Burner hearth import 9 be connected with burner 1, described furnace outlet 5 is connected with shock chamber's import large flange 20；
Gasifying agent is mixed into the abundant combustion gasification of gasification furnace burner hearth 8 and produces water-gas, water coal with dry pulverized coal by nozzle 1
Gas goes out gasification furnace burner hearth 4 and enters shock chamber 6, and the direct combination cooling water-gas of chilled water, while sedimentation separation goes out lime-ash entrance
Lock hopper, the water-gas after cooling enters washing piece-rate system together with chilled water carries out gas-liquid separation and dedusting.Shock chamber 6 uses
The plug-in detachable shock chamber of original creation, due to the flange connection of shock chamber, shock chamber inside center pipe, shock chamber's ring set etc.
Quick detachable its maintenance of maintenance of consumable accessory is safer.
2nd, as shown in Fig. 2, burner uses four runner designs, and according to vaporizer height in gasification furnace burner hearth 8, rationally design is fiery
Flame spray angle.Described burner 1 includes blast tube 11, purge passage 10, central oxygen passage 12, dry pulverized coal passage 13, gas
Agent passage 14, water leg water inlet pipe 15, water leg outlet pipe 17, burner large flange 16；Described burner large flange 16 and stove
Thorax import is connected；
Burner uses four runner designs, the runner of burner four to be followed successively by blast tube 11, central oxygen passage 12 from inside to outside, do
Coal dust channel 13, gasifying agent passage 14；
Oxygen is sufficiently mixed spray by central oxygen passage 12, gasifying agent passage 14 with the dry pulverized coal for entering dry pulverized coal passage 13
Enter gasification furnace burner hearth 8.Burner cooling is thickeied using water leg design, and outer wall, its object is to can be with sherardizing steel；Resistance to height
Temperature radiation is strong, good cooling results.Combustion gas tube passage 11 is used when being heated up in stove, and combustion gas stops after intensification end feeds intake,
Realize that intensification is split into integration, centre is not required to change burner.
3rd, as shown in figure 3, described shock chamber includes Quench reative cell 24, Quench water tank 27, chilled water ring cavity 21, Quench
Water baffle plate 26, Quench water inlet 22, water-gas outlet 23, shock chamber's import large flange 20, shock chamber outlet large flange 25, water-cooled
Protective bulkhead 18, gas phase pipe 19, balance pipe 19；Described shock chamber's outlet large flange 25 is connected with the lock hopper slagged tap, and water-gas goes out
Mouth is connected with the gas-liquid separator of rear system；
Quench water tank 27 is located at shock chamber top, using welding manner by chilled water baffle plate 26 and Quench chamber enclosure, gas phase
Pipe 28 is connected, and forms Quench water tank 27, and chilled water ring cavity 21 is that shock chamber's import large flange 20 is formed with gas phase pipe 28
Ring-shaped cavity, Quench water inlet 22 is located at the top of chilled water baffle plate 26；Chilled water enters Quench water tank 27 from Quench water inlet 22,
Gone out along the inwall overflow of gas phase pipe 28 to Quench reative cell 24 by chilled water ring cavity 21 again, water-gas outlet 23 keeps off positioned at chilled water
The bottom of plate 26, gasification furnace carrys out cracked gas and enters shock chamber and chilled water ring cavity 21 swashing out by shock chamber's import large flange 20
Cold water meets cooling, is further cooled into water-gas in Quench reative cell 24, and separates slag discharging exporting big method from shock chamber
Blue 25 drain into lock hopper, and water-gas and chilled water export 23 from water-gas to be delivered to subsequent handling and separate, wash.Water-cooled protective bulkhead 18 with
The coil pipe of gasifier water-cooling wall 2 is connected, and deeply to the outside of chilled water ring cavity 21 on shock chamber top, is used to protect Quench water tank
27；
Chilled water enters Quench water tank 27 by Quench water inlet 22, and overflow enters the annular space of chilled water ring cavity 21, due to Quench
The annular space of water ring chamber 21 is small, and water is big, and chilled water forms uniform moisture film on gas phase pipe, is effectively protected gas phase Guan Yugao
The contact overtemperature deformation of warm water coal gas and burn-through, chilled water enter Quench reative cell 24 along gas phase pipe.Water-gas passes through gas phase
Pipe is fully contacted washing heat exchange into Quench reative cell 24 and chilled water, and the lime-ash for washing enters the lock hopper of dreg removing system,
System after being sent to by water-gas outlet 23 together with chilled water through the water-gas of supercooling washing.Shock chamber's not draining, gas
Liquid time of contact is long, and washing and heat transfer effect are more preferable.Shock chamber's small volume, it is not necessary to use traditional lock hopper water-circulating pump,
Reduce energy consumption.Chilled water ring cavity 21 is located at the upper back of water-cooled protective bulkhead 18, intercepts the radiation of pyrolytic cracking gas, service life
Up to more than 7000 hours, than one times of traditional chilling ring life, with stability higher.
Specific embodiment of the utility model is these are only, but technical characteristic of the present utility model is not limited thereto.Appoint
How based on the utility model, to solve essentially identical technical problem, essentially identical technique effect is realized, it is done
Simple change, equivalent or modification etc., are all covered by among protection domain of the present utility model.
Claims (6)
1. the split type dry coal dust gasification furnace of a kind of Quench, it is characterised in that：It includes gasification furnace burner hearth（8）, burner（1）, swash
Cold house（6）；
Described gasification furnace burner hearth（8）Including housing（3）, burner hearth import（9）, furnace outlet（4）, combustion chamber（7）And water-cooling wall
（2）；
Described burner hearth import（9）With burner（1）It is connected；Described furnace outlet（4）With shock chamber's import large flange（5）Phase
Even；
Described burner（1）Including blast tube（11）, purge passage（10）, central oxygen passage（12）, dry pulverized coal passage（13）、
Gasifying agent passage（14）, water leg water inlet pipe（15）, water leg outlet pipe（17）, burner large flange（16）；Described burner is big
Flange（16）It is connected with burner hearth import；
Burner uses four runner designs, the runner of burner four to be followed successively by purge passage from inside to outside（10）, blast tube（11）, center
Oxygen passage（12）, dry pulverized coal passage（13）, gasifying agent passage（14）；
Described shock chamber（6）Including Quench reative cell（24）, Quench water tank（27）, chilled water ring cavity（21）, chilled water baffle plate
（26）, Quench water inlet（22）, water-gas outlet（23）, shock chamber's import large flange（20）, shock chamber outlet large flange（25）、
Water-cooled protective bulkhead（18）, gas phase pipe（28）, balance pipe（19）；
Described shock chamber's outlet large flange（25）It is connected with the lock hopper slagged tap, water-gas exports the gas-liquid separator with rear system
It is connected；
Blast tube（11）With central oxygen passage（12）Pipe is connected using flange；
Central oxygen passage（12）In burner（1）Penetralia, with dry pulverized coal passage（13）Connected using flange；
Dry pulverized coal passage（13）In burner（1）Middle part, with gasifying agent passage（14）It is connected using flange；
Gasifying agent passage（14）In burner（1）Outside, with burner large flange（16）Using welding up and down, water leg is big in burner
Flange（16）Bottom outermost, with burner large flange（16）Connected using welding manner, while water leg water inlet pipe（15）With water
Chuck outlet pipe（17）In burner large flange（16）Top perforate is simultaneously connected, water leg water inlet pipe using welding manner（15）Deeply
To water leg bottom.
2. the split type dry coal dust gasification furnace of Quench according to claim 1, it is characterised in that：
Quench water tank（27）Positioned at shock chamber top, using welding manner by chilled water baffle plate（26）With Quench chamber enclosure, gas phase
Pipe（28）It is connected, forms Quench water tank（27）, chilled water ring cavity（21）It is shock chamber's import large flange（20）With gas phase pipe（28）
The ring-shaped cavity for being formed, Quench water inlet（22）Positioned at chilled water baffle plate（26）Top；
Water-gas is exported（23）Positioned at chilled water baffle plate（26）Bottom；
Water-cooled protective bulkhead（18）With the water-cooling wall of gasification furnace（2）It is connected, deeply to the chilled water ring cavity on shock chamber top（21）Outward
Side, is used to protect Quench water tank（27）.
3. the split type dry coal dust gasification furnace of Quench according to claim 1, it is characterised in that：Combustion chamber is with shock chamber
Split-type structural, both detachably separate.
4. the split type dry coal dust gasification furnace of Quench according to claim 1, it is characterised in that：Set inside gasification furnace furnace shell
Put using demineralized water compulsory circulative cooling protection gasification furnace furnace shell in annular disk pipe fin panel casing, water-cooling wall, while being equipped with vapour
Bag by-product low-pressure steam.
5. the split type dry coal dust gasification furnace of Quench according to claim 1, it is characterised in that：Chilled water ring cavity（21）With
Delivery port is as water-cooled protective bulkhead（18）Rear, the chilled water ring cavity（21）With delivery port adjacent to the upper of the shock chamber
Edge.
6. the split type dry coal dust gasification furnace of Quench according to claim 1, it is characterised in that gasification furnace furnace shell uses steel
Material is made, and it is 1.0 to design pressure-resistant --- 4.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621121592.3U CN206256029U (en) | 2016-10-14 | 2016-10-14 | A kind of split type dry coal dust gasification furnace of Quench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621121592.3U CN206256029U (en) | 2016-10-14 | 2016-10-14 | A kind of split type dry coal dust gasification furnace of Quench |
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| CN206256029U true CN206256029U (en) | 2017-06-16 |
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| CN201621121592.3U Active CN206256029U (en) | 2016-10-14 | 2016-10-14 | A kind of split type dry coal dust gasification furnace of Quench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706854A (en) * | 2020-06-04 | 2020-09-25 | 西安交通大学 | High-efficiency low-NO cyclone furnacexSystem for blending and burning gasified carbon residue |
-
2016
- 2016-10-14 CN CN201621121592.3U patent/CN206256029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706854A (en) * | 2020-06-04 | 2020-09-25 | 西安交通大学 | High-efficiency low-NO cyclone furnacexSystem for blending and burning gasified carbon residue |
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