CN205603532U - A gasifier nozzle circulating water system for coal gasifier - Google Patents
A gasifier nozzle circulating water system for coal gasifier Download PDFInfo
- Publication number
- CN205603532U CN205603532U CN201620233225.6U CN201620233225U CN205603532U CN 205603532 U CN205603532 U CN 205603532U CN 201620233225 U CN201620233225 U CN 201620233225U CN 205603532 U CN205603532 U CN 205603532U
- Authority
- CN
- China
- Prior art keywords
- burner
- cooling water
- nozzle
- water pump
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a gasifier nozzle circulating water system for coal gasifier belongs to the coal chemical industry technology field, including constituting endless nozzle, at least one nozzle cooling water pump to reach heat transfer device, nozzle cooling water pump cools off water pitcher to still being equipped with at least one nozzle between the heat transfer device, still is equipped with the automatic valve that can open the drainage branch road when nozzle cooling water pump shuts down voluntarily between nozzle to the nozzle cooling water pitcher, has positive pressure differential between nozzle cooling water pitcher to the nozzle, when this positive pressure differential satisfies the shut down of nozzle cooling water pump, cools off the unimodal current power of water pitcher to the nozzle from the nozzle, adjacent its the preceding or back that is located with the nozzle of heat transfer device, adjacent its the preceding or back that is located with nozzle cooling water pump of automatic valve. The utility model relates to a nozzle circulating water system for coal gasifier 's economical and practical, low in cost, safe and reliable.
Description
Technical field
This utility model belongs to technical field of coal chemical industry, particularly relates to a kind of gasifier nozzle for gasifying powder coal device and circulates
Water system.
Background technology
Coal is one of main fossil energy of China, occupies considerable status in China's energy production structure, the most each
In level energy consumption structure, coal consumption accounts for the 2/3 of total amount consumed.World petroleum resource is in short supply so that Coal Chemical Industry petroleum replacing
The development trend of chemical industry is the rapidest.Modern New Coal Chemical Industry to produce clean energy resource and the product of alternative petrochemical industry,
The most state-of-the-art gasification furnace represent technology have shell stove, GSP stove, space flight stove, Huaneng Group stove, section's woods stove, Texaco stove, four
Nozzle water-coal slurry furnace etc..
Burner water system closed cycle is related to, even if in this technique under whole audience power-off condition, burner is cold in these coal gasification apparatus
But water pump can not be out of service, therefore, it is necessary to configuration first order load is powered, in order to can start standby under blackout condition immediately
With power supply, it is ensured that burner cooling water pump runs continuously, thus protects burner.What first order load was powered involves great expense, and adds
The cost of investment of whole device, is not suitable for middle-size and small-size chemical enterprise；Come into operation the most in time if first order load is powered, Yi Zao
Become burner broken, cause the generation of security incident, reduce whole reliability of technology so that technique does not reaches essential safety.
Utility model content
The purpose of this utility model is: the shortcoming overcoming prior art, it is provided that a kind of economical and practical for coal gasification apparatus,
Cheap, safe and reliable burner circulation.
The purpose of this utility model is realized by following technical proposals:
A kind of gasifier nozzle circulation for coal gasification apparatus, including constituting the burner of circulation, at least one burner
Cooling water pump, and heat-exchanger rig, be additionally provided with at least one burner chilled water tank, burner between burner cooling water pump to burner
Being additionally provided with the automatic valve that can automatically open up draining branch road when burner cooling water pump is shut down between burner chilled water tank, burner is cold
But there is positive differential pressure in water pot between burner, when this positive differential pressure meets the shutdown of burner cooling water pump, from burner chilled water tank to burning
Mouth arrives the unimodal current power of burner cooling water pump again；Heat-exchanger rig is adjacent with burner be positioned at it before or after, automatic valve and burner
Cooling water pump is adjacent be positioned at it before or after.
As selection, between burner chilled water tank to burner, positive differential pressure is 0.1～10MPa.
As selection, it is passed through gas in burner chilled water tank and forms this positive differential pressure.
As selecting further, be passed through in burner chilled water tank gas control operation pressure in burner chilled water tank be 0.1～
10MPa。
As selection, burner chilled water tank position height forms this positive differential pressure higher than burner and heat-exchanger rig.
As selection, being passed through gas in burner chilled water tank, burner chilled water tank position height is higher than burner and heat exchange dress simultaneously
Put, in order to form this positive differential pressure.
As selection, in parallel between multiple burner chilled water tanks.
As selection, in parallel between multiple burner cooling water pumps.
As selection, heat-exchanger rig is heat exchanger or drum.
As selecting further, heat-exchanger rig is waste heat boiler.
As selection, automatic valve is electric and pneumatic automatic valve.
As selection, automatic valve is automatic switch valve or automatic regulating valve.
As selection, the aforementioned gas in order to form positive differential pressure is nitrogen or carbon dioxide.
Aforementioned this utility model main formula case and each further selection scheme thereof can be this with independent assortment to form multiple schemes
Utility model can use and claimed scheme: such as this utility model, each non conflicting gets final product combination in any between selecting, this
Skilled person can understand there is multiple combination according to prior art and common knowledge after understanding the present invention program, is this reality
By novel claimed technical scheme, do not do exhaustive at this.
Workflow of the present utility model:
Burner cooling water is after burner water outlet, and pressure drop about 1.5MPa before and after burner, time properly functioning, burner cooling water enters
After the pressurization of burner cooling water pump, return to the burner chilled water tank before burner, enter back into burner, carry out water circulation next time.
Burner chilled water tank it is provided with between burner cooling water pump and heat-exchanger rig, when burner cooling water pump shuts down, burner
Cooling water relies on the pressure reduction between burner chilled water tank and burner to realize flowing, takes away heat of vaporization, burner and burner cooling water pump
Between automatic valve open simultaneously, recirculated water is drained.
This pressure reduction can be formed in several ways, such as, is passed through gas from burner chilled water tank top and keeps burner cooling water
In tank, operation pressure is 0.1～10MPa, and the liquid level of burner chilled water tank is for maintaining burner cooling water pump required when stopping
Cooling water inflow.
The beneficial effects of the utility model:
(1) this utility model utilizes burner chilled water tank to flow automatically, and reduces the configuration that device first order load is powered, decreases equipment
Input, reduce the cost of equipment investment；
(2) this utility model makes this circulation safe and reliable feasible；
(3) this utility model fundamentally protects the burner in coal gasification apparatus, eliminates due to first order load power supply trouble
Damage the probability of burner, reduce the maintenance cost in running.
Accompanying drawing explanation
Fig. 1 is the device schematic flow sheet of this utility model embodiment；
Logistics labelling in flow chart: 1-is from the gas of synergic system；
Arrow mark in flow chart: circulating water flow to；
Equipment, instrument markings in flow chart: 2-burner chilled water tank, 3-burner, 4-automatic valve, 5-burner cooling water pump,
6-waste heat boiler.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, this utility model is further described.
With reference to shown in Fig. 1, a kind of gasifier nozzle circulation for coal gasification apparatus, including constitute circulation burner 3,
At least one burner cooling water pump 5, and heat-exchanger rig (such as waste heat boiler 6), burner cooling water pump 5 to burner 3 it
Between be additionally provided with at least one burner chilled water tank 2, being additionally provided with between burner 3 to burner chilled water tank 2 can be at burner cooling water pump
, there is positive differential pressure between burner chilled water tank 2 to burner 3, this malleation in 5 automatic valves 4 automatically opening up draining branch road when shutting down
Difference meets burner cooling water pump 5 when shutting down, from burner chilled water tank 2 to burner 3 again to the unidirectional water of burner cooling water pump 5
Mobilization force；Heat-exchanger rig is adjacent with burner 3 be positioned at burner 3 before or after, automatic valve 4 is adjacent with burner cooling water pump 5 to be positioned at
Before or after burner cooling water pump 5.As preferably, between burner chilled water tank 2 to burner 3, positive differential pressure is more than 1.5MPa.
The mode forming this positive differential pressure has multiple, such as, is passed through gas and forms this positive differential pressure in burner chilled water tank 2, and burner cools down
Being passed through in water pot 2 in gas controls burner chilled water tank 2 and operating pressure is 0.1～10MPa；Or, burner chilled water tank 2
Position height forms this positive differential pressure higher than waste heat boiler 6 and burner 3；Or, it is passed through gas in burner chilled water tank 2, with
Time burner chilled water tank 2 position height higher than waste heat boiler 6 and burner 3, in order to form this positive differential pressure.As selection, such as this
Shown in embodiment Fig. 1, burner chilled water tank 2 is one, when burner chilled water tank more than 2, and multiple burner chilled water tanks 2
Between in parallel；As selection, as shown in the present embodiment Fig. 1, burner cooling water pump 5 is one, when burner cooling water pump 5
Time multiple, in parallel between multiple burner cooling water pumps 5, form backup.As selection, automatic valve 4 be electric and pneumatic from
Dynamic valve, automatic valve 4 is automatic switch valve or automatic regulating valve.
Burner circulation of the present utility model carries out flow process description further:
With reference to shown in Fig. 1, burner cooling water from burner 3 out after, before and after burner 3, pressure drop is up to about 1.5MPa, normally
During operation, burner cooling water enters burner cooling water pump 5 and pressurizes, and returns to burner chilled water tank 2, enters back under burner 3 carries out
Water circulation.
Between burner cooling water pump 5 and waste heat boiler 6, it is provided with burner chilled water tank 2, is passed through from burner chilled water tank 2 top
It is 0.1～10MPa that gas 1 operates pressure in keeping burner chilled water tank 2, and the liquid level of burner chilled water tank 2 is used for maintaining burning
The cooling water inflow that mouth cooling water pump 5 is required when stopping.When burner cooling water pump 5 shuts down, burner cooling water relies on and burns
Pressure reduction between mouth chilled water tank 2 and burner 3 realizes flowing, takes away heat of vaporization, between burner 3 and burner cooling water pump 5
Automatic valve 4 is opened simultaneously, is drained by recirculated water.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Any amendment, equivalent and the improvement etc. made within novel spirit and principle, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. for a gasifier nozzle circulation for coal gasification apparatus, including constituting the burner of circulation, the cooling of at least one burner
Water pump, and heat-exchanger rig, it is characterised in that: it is additionally provided with at least one burner chilled water tank between burner cooling water pump to burner,
Burner can automatically open up the automatic valve of draining branch road, burner to being additionally provided with between burner chilled water tank when burner cooling water pump is shut down
There is positive differential pressure in chilled water tank between burner, when this positive differential pressure meets the shutdown of burner cooling water pump, from burner chilled water tank to burning
Mouth arrives the unimodal current power of burner cooling water pump again；Heat-exchanger rig is adjacent with burner be positioned at it before or after, automatic valve is cold with burner
But water pump is adjacent be positioned at it before or after.
2. the gasifier nozzle circulation for coal gasification apparatus as claimed in claim 1, it is characterised in that: burner cooling water
Tank is 0.1～10MPa to positive differential pressure between burner.
3. the gasifier nozzle circulation for coal gasification apparatus as claimed in claim 1, it is characterised in that: burner cooling water
It is passed through gas in tank and forms this positive differential pressure.
4. the gasifier nozzle circulation for coal gasification apparatus as claimed in claim 3, it is characterised in that: burner cooling water
Being passed through in tank in gas controls burner chilled water tank and operating pressure is 0.1～10MPa.
5. the gasifier nozzle circulation for coal gasification apparatus as claimed in claim 1, it is characterised in that: burner cooling water
Tank position height forms this positive differential pressure higher than burner and heat-exchanger rig.
6. the gasifier nozzle circulation for coal gasification apparatus as claimed in claim 1, it is characterised in that: burner cooling water
Being passed through gas in tank, burner chilled water tank position height is higher than burner and heat-exchanger rig simultaneously, in order to form this positive differential pressure.
7. the gasifier nozzle circulation for coal gasification apparatus as claimed in claim 1, it is characterised in that: multiple burners are cold
But in parallel between water pot.
8. the gasifier nozzle circulation for coal gasification apparatus as claimed in claim 1, it is characterised in that: multiple burners are cold
But in parallel between water pump.
9. the gasifier nozzle circulation for coal gasification apparatus as claimed in claim 1, it is characterised in that: automatic valve is electricity
Dynamic or pneumatic automatic valve.
10. the gasifier nozzle circulation for coal gasification apparatus as claimed in claim 1, it is characterised in that: automatic valve is
Automatic switch valve or automatic regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233225.6U CN205603532U (en) | 2016-03-24 | 2016-03-24 | A gasifier nozzle circulating water system for coal gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233225.6U CN205603532U (en) | 2016-03-24 | 2016-03-24 | A gasifier nozzle circulating water system for coal gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205603532U true CN205603532U (en) | 2016-09-28 |
Family
ID=56964547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620233225.6U Expired - Fee Related CN205603532U (en) | 2016-03-24 | 2016-03-24 | A gasifier nozzle circulating water system for coal gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205603532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090314A (en) * | 2017-07-06 | 2017-08-25 | 华东理工大学 | The cooling means and cooling system of gasification burner tip |
-
2016
- 2016-03-24 CN CN201620233225.6U patent/CN205603532U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090314A (en) * | 2017-07-06 | 2017-08-25 | 华东理工大学 | The cooling means and cooling system of gasification burner tip |
| CN107090314B (en) * | 2017-07-06 | 2023-07-14 | 华东理工大学 | Cooling method and cooling system of gasification burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190412 Address after: 610000 No. 30, 6th Floor, Unit 1, Building 4, Chadianzi Anrong Road, Jinniu District, Chengdu City, Sichuan Province Patentee after: Sichuan Yuexin Dake New Energy Technology Co., Ltd. Address before: 610041 Chengdu City, Sichuan Province, Wuhou District Aviation Road No. 6 4, Unit 2, 7 Floor 702 Patentee before: Chengdu height Kodak Science and Technology Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20200324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |