CN206173277U - A lime set collection device for dry pulverized coal gasification system - Google Patents
A lime set collection device for dry pulverized coal gasification system Download PDFInfo
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- CN206173277U CN206173277U CN201621169412.9U CN201621169412U CN206173277U CN 206173277 U CN206173277 U CN 206173277U CN 201621169412 U CN201621169412 U CN 201621169412U CN 206173277 U CN206173277 U CN 206173277U
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- lime set
- tank
- condensed fluid
- collection device
- surge tank
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Abstract
The utility model discloses a lime set collection device for dry pulverized coal gasification system, include: the condensate flash jar for the receipt comes from the lime set of vapor line among the gasification equipment, and carries out the flash distillation and produce low pressure steam, the vapor line is middle pressure steam pipeline and time high -pressure vapor line, the condensate buffer tank is used for receiving and comes from the tank bottoms liquid of condensate flash jar, the condenser is used for receiving and comes from the tank deck steam of condensate buffer tank carries out the condensation to it to input the condensate the condensate buffer tank, the condensation liquid pump is used for coming from the liquid output of condensate buffer tank. The utility model also discloses a dry pulverized coal gasification system who has above -mentioned lime set collection device. The utility model discloses a lime set collection device can collect the lime set for among the dry pulverized coal gasification system to wait the lime set of collecting through the buffering and handle the back row to the external world, and the black water treatment unit of unnecessary input prevents subsider superpressure and corrosion of equipment, eliminates the potential safety hazard.
Description
Technical field
This utility model belongs to Coal Gasification field, and particularly a kind of lime set for dry coal powder gasification system collects dress
Put.
Background technology
The lime set collection device that at present GSP fine coal forced air bed gasification technologies are adopted, to collect gasification dress is processed
Each grade steam is put, the condensed fluid collected is delivered to into the subsider of usage on black water unit by condensate pump.Because the lime set is received
, independently of Desalting Water System, the lime set of collection can not be as the backing water source of desalted water so that the consumption of desalted water for acquisition means
Greatly；And because lime set temperature is high, delivers to and directly contribute after subsider subsider superpressure, equipment corrosion is serious；Meanwhile, subsider overflows
Flowing water temperature rise, high pressured water circuling pump operation risk increase, brings great potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of lime set collection device for dry coal powder gasification system, and the lime set is received
Acquisition means can collect lime set, and the lime set collected directly is arranged outwardly without through usage on black water unit, preventing sedimentation
Groove superpressure and equipment corrosion, eliminate safe hidden trouble.
The technical solution of the utility model is as follows：
A kind of lime set collection device for dry coal powder gasification system, including：
Condensate flash tank, for receiving the lime set for carrying out self-gasifying device middle steam tube line, and carrying out flash distillation low pressure is produced
Steam；The steam pipe line is medium pressure steam line and sub-high pressure steam pipe line；
Condensed fluid surge tank, for receiving the tank bottoms liquid from the condensate flash tank；
Condenser, for receiving the tank deck steam from the condensed fluid surge tank, condenses to it, and by condensed fluid
It is input into the condensed fluid surge tank；
Condensate pump, for by from the output of the liquid of the condensed fluid surge tank.
Preferably, the lime set collection device also includes high pressure lime set water pump, and the high pressure lime set water pump is used for will be from
The liquid pressing output of the condensed fluid surge tank.
Preferably, the lime set collection device also includes low-pressure steam pipeline, and one end of the low-pressure steam pipeline connects
To the top exit for being arranged at the condensate flash tank, for by from the low-pressure steam of the condensate flash tank export to
Main steam range.
Preferably, the charging aperture of the condensed fluid surge tank is additionally provided with desalted water pipeline, for slow to the condensed fluid
Rush tank conveying desalted water.
A kind of dry coal powder gasification system, including：
Gasification installation, for receiving dry pulverized coal and it being gasified to obtain coal gas, the gasification installation includes steam
Pipeline, the steam pipe line is used to convey the steam produced by gasification installation gasification heat release；
Wash mill, washs for reception from the coal gas of the gasification installation and to it；With lime set collection device,
The lime set collection device includes：
Condensate flash tank, for receiving the lime set of the steam pipe line for carrying out self-gasifying device, and carrying out flash distillation low pressure is produced
Steam；The steam pipe line is medium pressure steam line and sub-high pressure steam pipe line；
Condensed fluid surge tank, for receiving the tank bottoms liquid from the condensate flash tank；
Condenser, for receiving the tank deck steam from the condensed fluid surge tank, condenses to it, and by condensed fluid
It is input into the condensed fluid surge tank；
Condensate pump, for will export to the external world from the liquid of the condensed fluid surge tank；
High pressure lime set water pump, for will be from the liquid of the condensed fluid surge tank as cleaning mixture pressurization output to described
In wash mill.
Preferably, the lime set collection device also includes low-pressure steam pipeline, and one end of the low-pressure steam pipeline connects
To the top exit of the condensate flash tank, for will export total to steam from the low-pressure steam of the condensate flash tank
Pipe.
Preferably, the charging aperture of the condensed fluid surge tank is additionally provided with desalted water pipeline, for slow to the condensed fluid
Rush tank conveying desalted water.
The beneficial effects of the utility model are：
(1) the lime set collection device for dry coal powder gasification system of the present utility model, can collect lime set, and will collect
Lime set through buffering etc. process heel row outwardly, without be input into usage on black water unit, prevent subsider superpressure and equipment
Corrosion, eliminates safe hidden trouble；The lime set collected can also be input in washing facility to replace desalted water as scrubbing tower fine purifiation
The moisturizing of section, reduces the consumption of desalted water, reduces the operating cost of device；
(2) dry coal powder gasification system of the present utility model, can by the use of above-mentioned lime set collection device collect lime set as
The moisturizing of washing facility, reduces the consumption of desalted water；The low-pressure steam that above-mentioned lime set collection device is produced can also be utilized simultaneously to make
For the supplement of main steam range, recovered steam, heat waste is reduced；The operating cost of reduction equipment.
Description of the drawings
Fig. 1 is the lime set collection device for dry coal powder gasification system of the present utility model knot in one embodiment
Structure schematic diagram；
Fig. 2 is the structural representation of the dry coal powder gasification system with lime set collection device shown in Fig. 1；
Fig. 3 be the lime set collection device for dry coal powder gasification system of the present utility model in another embodiment
Structural representation；
Fig. 4 is the structural representation of the dry coal powder gasification system with lime set collection device shown in Fig. 3.
Specific embodiment
The technical solution of the utility model and its effect are described further below by way of specific embodiment.Following reality
The mode of applying is merely to illustrate content of the present utility model, is not limited to protection domain of the present utility model.Using this practicality
The simple change that new design is carried out to this utility model is all in the scope that this utility model is claimed.
As shown in figure 1, the lime set collection device for dry coal powder gasification system of the present utility model, including：
Condensate flash tank 1, for receiving the lime set of the middle steam tube line of self-gasifying device 9 is carried out, and it is low to carry out flash distillation generation
Pressure steam；The steam pipe line is medium pressure steam line and sub-high pressure steam pipe line；
Condensed fluid surge tank 2, for receiving the tank bottoms liquid from the condensate flash tank 1；
Condenser 3, for receiving the tank deck steam from the condensed fluid surge tank 2, condenses to it, and will condensation
Liquid is input into the condensed fluid surge tank 2；
Condensate pump 5, for by from the output of the liquid of the condensed fluid surge tank 2, such as exporting to the external world to discharge,
Or export to the external world collect and for needs where.
Wherein, gasification installation 9 refers to the gasification installation of dry coal powder gasification system.
Medium pressure steam line refers to the steam pipe line that allowable stress is 2.8MPa, and sub-high pressure steam pipe line is referred to can be born
Pressure is the steam pipe line of 5.9MPa.
In the tank deck steam input condenser 3 of condensed fluid surge tank 2, it is input into again Jing after recirculated cooling water cooling for reflux
In condensed fluid surge tank 2, to ensure the temperature in condensed fluid surge tank 2 in a controllable scope, such as 25-70 DEG C.
Lime set collection device for dry coal powder gasification system of the present utility model, independently of usage on black water unit, can
Lime set is collected, and the lime set of collection is exported to the external world after buffering etc. is processed, without being input into usage on black water unit, prevented
High temperature lime set causes the subsider superpressure and equipment corrosion of usage on black water unit, eliminates safe hidden trouble, it is ensured that safety in production with
And the long period of gasification installation is stably carried out.
In one embodiment, the lime set collection device also includes high pressure lime set water pump 4, the high pressure lime set water pump
4 are used to such as export into wash mill 6 as moisturizing, such as from the output of the liquid pressing of the condensed fluid surge tank 2
Scrubbing tower；During the device that other need moisturizing can also be input into.By from the liquid pressing of the condensed fluid surge tank 2 export to
In scrubbing tower using replace desalted water as scrubbing tower fine wash sections moisturizing, reduce desalted water consumption, reduce device operation into
This.
Wash mill 6 is used for the coal gas to producing in dry coal powder gasification system and washs, and cleaning mixture is high temperature circulation water,
Typically supplemented with desalted water when the high temperature circulation water yield is inadequate.
In one embodiment, the lime set collection device also includes low-pressure steam pipeline, the low-pressure steam pipeline
One end be connected to the top exit of the condensate flash tank 1, for by from the low-pressure steam of the condensate flash tank 1
Export to main steam range, with efficient recovery steam, the waste of reduction heat.
Main steam range is the main steam range in dry coal powder gasification system.
In one embodiment, as shown in figure 3, the charging aperture of the condensed fluid surge tank 2 is additionally provided with desalting pipe
Line 8, during lime set amount deficiency, conveys in gasification furnace initial start-up or condensed fluid surge tank 2 to the condensed fluid surge tank 2
Desalted water.
During the gasification furnace initial start-up of dry coal powder gasification system, the lime set amount in condensed fluid surge tank 2 is unstable, needs to mend
Fill desalted water to ensure its level stability.
When lime set amount in condensed fluid surge tank 2 is not enough, require supplementation with desalted water to ensure its level stability.
Level stability due to should ensure that condensed fluid surge tank 2, therefore desalted water is added when wherein liquid level is relatively low, when it
When liquid level is too high, by the liquid therein input external world or wash mill, to ensure the level stability of condensed fluid surge tank 2.
A kind of dry coal powder gasification system, as shown in Fig. 2 including：
Gasification installation 9, for receiving dry pulverized coal and it being gasified to obtain coal gas, the gasification installation (9) includes
Steam pipe line, the steam pipe line is used to convey the steam produced by the gasification installation (9) gasification heat release；
Wash mill 6, washs for reception from the coal gas of the gasification installation 9 and to it；With
Lime set collection device, the lime set collection device includes：
Condensate flash tank 1, for receiving the lime set of the steam pipe line for carrying out self-gasifying device 9, and it is low to carry out flash distillation generation
Pressure steam；The steam pipe line is medium pressure steam line and sub-high pressure steam pipe line；
Condensed fluid surge tank 2, for receiving the tank bottoms liquid from the condensate flash tank 1；
Condenser 3, for receiving the tank deck steam from the condensed fluid surge tank 2, condenses to it, and will condensation
Liquid is input into the condensed fluid surge tank 2；
Condensate pump 5, for by from the output of the liquid of the condensed fluid surge tank 2, such as exporting to the external world；
High pressure lime set water pump 4, for will export to institute as cleaning mixture pressurization from the liquid of the condensed fluid surge tank 2
In stating wash mill 6.
In one embodiment, the lime set collection device also includes low-pressure steam pipeline, the low-pressure steam pipeline
One end be connected to the top exit of the condensate flash tank 1, for by from the low-pressure steam of the condensate flash tank 1
Export to main steam range.
In one embodiment, as shown in figure 4, the charging aperture of the condensed fluid surge tank 2 is additionally provided with desalting pipe
Line 8, for conveying desalted water to the condensed fluid surge tank 2.
Lime set collection device for dry coal powder gasification system of the present utility model, running is as follows：
Condensate flash tank 1 receives the lime set of the medium pressure steam line and sub-high pressure steam pipe line come in self-gasifying device 9
And flash distillation is carried out, and in the low-pressure steam Jing low-pressure steams pipeline input main steam range of generation, tank bottoms liquid input condensed fluid buffering
Enter row buffering in tank 2；Condensed in the tank deck steam input condenser 3 of condensed fluid surge tank 2, gained condensed fluid is re-entered
In condensed fluid surge tank 2, to control the temperature in condensed fluid surge tank 2；When the liquid level in condensed fluid surge tank 2 is relatively low, lead to
Cross desalted water pipeline input desalted water；When the liquid level in condensed fluid surge tank 2 is higher, on the one hand by condensate pump 5 by institute
The liquid input stated in condensed fluid surge tank 2 is extraneous, on the other hand by high pressure lime set water pump 4 by the condensed fluid surge tank 2
Replace desalted water in interior liquid input wash mill 6.
Lime set collection device for dry coal powder gasification system of the present utility model is independently of usage on black water unit, whole mistake
Lime set need not be passed through usage on black water unit in journey, reduce the pressure force-summing device corruption that lime set is caused to usage on black water unit
Erosion；Desalted water can also be replaced simultaneously in wash mill 6, reducing the operating cost of equipment.
Claims (7)
1. a kind of lime set collection device for dry coal powder gasification system, it is characterised in that include：
Condensate flash tank (1), for receiving the lime set of self-gasifying device (9) middle steam tube line is carried out, and it is low to carry out flash distillation generation
Pressure steam；The steam pipe line is medium pressure steam line and sub-high pressure steam pipe line；
Condensed fluid surge tank (2), for receiving the tank bottoms liquid from the condensate flash tank (1)；
Condenser (3), for receiving the tank deck steam from the condensed fluid surge tank (2), condenses to it, and will condensation
Liquid is input into the condensed fluid surge tank (2)；
Condensate pump (5), for exporting from the liquid of the condensed fluid surge tank (2).
2. lime set collection device according to claim 1, it is characterised in that the lime set collection device is also solidifying including high pressure
Liquid water pump (4), the high pressure lime set water pump (4) for will from the condensed fluid surge tank (2) liquid pressing export.
3. lime set collection device according to claim 1 and 2, it is characterised in that the lime set collection device also includes low
Pressure steam pipe line, one end of the low-pressure steam pipeline is connected to the top exit of the condensate flash tank (1), in the future
Export to main steam range from the low-pressure steam of the condensate flash tank (1).
4. lime set collection device according to claim 1 and 2, it is characterised in that the charging of the condensed fluid surge tank (2)
Mouth is additionally provided with desalted water pipeline (8), for conveying desalted water to the condensed fluid surge tank (2).
5. a kind of dry coal powder gasification system, it is characterised in that include：
Gasification installation (9), for receiving dry pulverized coal and it being gasified to obtain coal gas, the gasification installation (9) is including steaming
Steam pipe line, the steam pipe line is used to convey the steam produced by the gasification installation (9) gasification heat release；
Wash mill (6), washs for reception from the coal gas of the gasification installation (9) and to it；With
Lime set collection device, the lime set collection device includes：
Condensate flash tank (1), for receiving the lime set of the steam pipe line for carrying out self-gasifying device (9), and it is low to carry out flash distillation generation
Pressure steam；The steam pipe line is medium pressure steam line and sub-high pressure steam pipe line,
Condensed fluid surge tank (2), for receiving the tank bottoms liquid from the condensate flash tank (1)；
Condenser (3), for receiving the tank tank deck steam from the condensed fluid surge tank (2), condenses to it, and will be cold
Lime set is input into the condensed fluid surge tank (2)；
Condensate pump (5), for will export to the external world from the liquid of the condensed fluid surge tank (2)；
High pressure lime set water pump (4), for exporting to institute as cleaning mixture pressurization from the liquid of the condensed fluid surge tank (2)
In stating wash mill (6).
6. dry coal powder gasification system according to claim 5, it is characterised in that the lime set collection device also includes low pressure
Steam pipe line, one end of the low-pressure steam pipeline is connected to the top exit of the condensate flash tank (1), for will be from
The low-pressure steam of the condensate flash tank (1) is exported to main steam range.
7. the dry coal powder gasification system according to claim 5 or 6, it is characterised in that condensed fluid surge tank (2) are entered
Material mouth is additionally provided with desalted water pipeline (8), for conveying desalted water to the condensed fluid surge tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621169412.9U CN206173277U (en) | 2016-11-02 | 2016-11-02 | A lime set collection device for dry pulverized coal gasification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621169412.9U CN206173277U (en) | 2016-11-02 | 2016-11-02 | A lime set collection device for dry pulverized coal gasification system |
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| Publication Number | Publication Date |
|---|---|
| CN206173277U true CN206173277U (en) | 2017-05-17 |
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ID=58679817
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621169412.9U Active CN206173277U (en) | 2016-11-02 | 2016-11-02 | A lime set collection device for dry pulverized coal gasification system |
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| CN (1) | CN206173277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217344A (en) * | 2021-06-17 | 2021-08-06 | 铜陵泰富特种材料有限公司 | Condensate discharging method for gas compressor |
-
2016
- 2016-11-02 CN CN201621169412.9U patent/CN206173277U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217344A (en) * | 2021-06-17 | 2021-08-06 | 铜陵泰富特种材料有限公司 | Condensate discharging method for gas compressor |
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