CN203725111U - Ammonia water conveyor for SNCR (selective non-catalytic reduction) denitrification - Google Patents
Ammonia water conveyor for SNCR (selective non-catalytic reduction) denitrification Download PDFInfo
- Publication number
- CN203725111U CN203725111U CN201420066754.2U CN201420066754U CN203725111U CN 203725111 U CN203725111 U CN 203725111U CN 201420066754 U CN201420066754 U CN 201420066754U CN 203725111 U CN203725111 U CN 203725111U
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- CN
- China
- Prior art keywords
- valve
- conveying device
- ammoniacal liquor
- centrifugal pump
- ammonia water
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Abstract
The utility model discloses an ammonia water conveyor for SNCR (selective non-catalytic reduction) denitrification, which comprises a supporting bracket and an ammonia water storage tank, wherein the supporting bracket is provided with at least one ammonia water conveying device; each ammonia water conveying device comprises a centrifugal pump, a check valve, a first ball valve and a relief valve; the output port of the storage tank flows back to the input port of the storage tank via the centrifugal pump, check valve, first ball valve and relief valve through; and the input end of the relief valve is also connected to the metering and mixing module. The ammonia water conveyor is provided with two ammonia water conveying devices and two metering and mixing modules. A second ball valve and a filter screen are sequentially connected between the output port of the storage tank and the centrifugal pump in series. A pipeline between the filter screen and centrifugal pump is communicated to a first sewage discharge valve. The output end of the check valve is also connected with a pressure meter and a second sewage discharge valve, and a valve can be connected in series before the pressure meter. The conveyor has the advantages of simple structure, low cost and high work efficiency, and is convenient to use.
Description
Technical field
The utility model relates to a kind of ammoniacal liquor conveying device for SNCR denitration.
Background technology
SNCR denitration is to carry becoming a certain proportion of reducing agent after ammoniacal liquor and dilution water mixing by pump, injects the reducing agent after dilution at boiler correct position, and denitration reaction is carried out in reducing agent and flue gas mixing.This technology maturation is reliable, the high system run all right EM equipment module of reducing agent effective rate of utilization, take up an area little, without byproduct, non-secondary pollution.Ammoniacal liquor conveying device is indispensable conveying device and without finished product in SNCR denitration device.
Utility model content
The utility model provides a kind of ammoniacal liquor conveying device for SNCR denitration.
The technical solution of the utility model is:
A kind of ammoniacal liquor conveying device for SNCR denitration, comprise: bearing support and the fluid reservoir for ammoniacal liquor, at least one road ammoniacal liquor conveying device is installed on bearing support, this ammoniacal liquor conveying device comprises centrifugal pump, check-valves, the first ball valve and pressure-reducing valve, the delivery outlet of fluid reservoir is back to the input port of fluid reservoir through centrifugal pump, check-valves, the first ball valve and pressure-reducing valve, the input of pressure-reducing valve is also connected to metering mixing module.
Because the output flow of centrifugal pump is more constant, regulating pressure-reducing valve is the adjustable flow that is back to fluid reservoir, thereby can regulate the flow that flows into metering mixing module, and metering mixing module is the target output equipment of this dilution water conveying device.
As preferably, described ammoniacal liquor conveying device is provided with two covers, and described metering mixing module also has two.
As preferably, between the delivery outlet of described fluid reservoir and centrifugal pump, be connected in series successively the second ball valve and screen pack.
In order to facilitate blowdown, the pipeline connection between described screen pack and centrifugal pump is to the first blowoff valve.
In like manner, the output of described check-valves also connects Pressure gauge and the second blowoff valve.
In order to maintain easily, between the input of described pressure-reducing valve and described metering mixing module, be connected in series Cutoff ball valve, between the output of described pressure-reducing valve and described metering mixing module, be communicated with by isolating valve.
The utlity model has beneficial effect simple in structure, that cost is low, easy to use, operating efficiency is high.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Detailed description of the invention
Now by reference to the accompanying drawings the utility model is further described:
As shown in the figure, a kind of ammoniacal liquor conveying device for SNCR denitration, comprise: bearing support 1 and the fluid reservoir for ammoniacal liquor, at least one road ammoniacal liquor conveying device is installed on bearing support 1, this ammoniacal liquor conveying device comprises centrifugal pump 24, check-valves 25, the first ball valve 28 and pressure-reducing valve 31, the delivery outlet of fluid reservoir is back to the input port of fluid reservoir through centrifugal pump 24, check-valves 25, the first ball valve 28 and pressure-reducing valve 31, the input of pressure-reducing valve 31 is also connected to metering mixing module.
Described ammoniacal liquor conveying device is provided with two covers, and described metering mixing module also has two.
Between the delivery outlet of described fluid reservoir and centrifugal pump 24, be connected in series successively the second ball valve 21 and screen pack 22.
Pipeline connection between described screen pack 22 and centrifugal pump 24 is to the first blowoff valve 23.
The output of described check-valves 25 also connects Pressure gauge 26 and the second blowoff valve 27.
Between the input of described pressure-reducing valve 31 and described metering mixing module, be connected in series Cutoff ball valve 30, between the output of described pressure-reducing valve 31 and described metering mixing module, be communicated with by isolating valve 32.
Centrifugal pump 24 symmetries in two-way dilution water conveying device are arranged on bearing support 1, and centrifugal pump 24 can be selected flow 3m
3/ h, lift 150m.
Claims (6)
1. the ammoniacal liquor conveying device for SNCR denitration, it is characterized in that, comprise: bearing support (1) and the fluid reservoir for ammoniacal liquor, at least one road ammoniacal liquor conveying device is installed on bearing support (1), this ammoniacal liquor conveying device comprises centrifugal pump (24), check-valves (25), the first ball valve (28) and pressure-reducing valve (31), the delivery outlet of fluid reservoir is back to the input port of fluid reservoir through centrifugal pump (24), check-valves (25), the first ball valve (28) and pressure-reducing valve (31), the input of pressure-reducing valve (31) is also connected to metering mixing module.
2. a kind of ammoniacal liquor conveying device for SNCR denitration as claimed in claim 1, is characterized in that, described ammoniacal liquor conveying device is provided with two covers, and described metering mixing module also has two.
3. a kind of ammoniacal liquor conveying device for SNCR denitration as claimed in claim 1, is characterized in that, is connected in series successively the second ball valve (21) and screen pack (22) between the delivery outlet of described fluid reservoir and centrifugal pump (24).
4. a kind of ammoniacal liquor conveying device for SNCR denitration as claimed in claim 3, is characterized in that, the pipeline connection between described screen pack (22) and centrifugal pump (24) is to the first blowoff valve (23).
5. a kind of ammoniacal liquor conveying device for SNCR denitration as claimed in claim 4, is characterized in that, the output of described check-valves (25) also connects Pressure gauge (26) and the second blowoff valve (27).
6. a kind of ammoniacal liquor conveying device for SNCR denitration as described in claim 1-5 any one, it is characterized in that, between the input of described pressure-reducing valve (31) and described metering mixing module, be connected in series Cutoff ball valve (30), between the output of described pressure-reducing valve (31) and described metering mixing module, be communicated with by isolating valve (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066754.2U CN203725111U (en) | 2014-02-14 | 2014-02-14 | Ammonia water conveyor for SNCR (selective non-catalytic reduction) denitrification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420066754.2U CN203725111U (en) | 2014-02-14 | 2014-02-14 | Ammonia water conveyor for SNCR (selective non-catalytic reduction) denitrification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203725111U true CN203725111U (en) | 2014-07-23 |
Family
ID=51195212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420066754.2U Expired - Fee Related CN203725111U (en) | 2014-02-14 | 2014-02-14 | Ammonia water conveyor for SNCR (selective non-catalytic reduction) denitrification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203725111U (en) |
-
2014
- 2014-02-14 CN CN201420066754.2U patent/CN203725111U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20170214 |