CN209378808U - A kind of transportation system of urea liquid dosage regulative mode optimization - Google Patents
A kind of transportation system of urea liquid dosage regulative mode optimization Download PDFInfo
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- CN209378808U CN209378808U CN201821763442.1U CN201821763442U CN209378808U CN 209378808 U CN209378808 U CN 209378808U CN 201821763442 U CN201821763442 U CN 201821763442U CN 209378808 U CN209378808 U CN 209378808U
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- urea liquid
- urea
- transfer pump
- regulative mode
- transportation system
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Abstract
The utility model discloses a kind of transportation systems of urea liquid dosage regulative mode optimization comprising urea liquid storage tank, multiple urea liquid transfer pumps, flow regulator, pressure transmitter and for remotely monitoring the electromagnetic flowmeter of fluid flow in pipeline；The urea liquid storage tank is connect with urea liquid transfer pump respectively by hand stop valve；The urea transfer pump is connect with pressure transmitter respectively, and the pressure transmitter is connect by electromagnetic flowmeter with the spray gun in the out of stock system of SCR, and the flow regulator is mounted on the top of electromagnetic flowmeter；The urea liquid transfer pump is frequency conversion metering pump.The utility model is adjusted by using pipeline of the independent regulative mode of frequency conversion metering pump to each transport urea solution, adjusts the dosage of urea liquid rapidly with boiler load；So simple process, high sensitivity, reduce maintenance point, can be avoided urea liquid and be excessively used, the escaping of ammonia is reduced.
Description
Technical field
The utility model relates to SCR denitration system field, especially a kind of urea liquid dosage regulative mode optimization
Transportation system.
Background technique
In the process of running, the dosage of urea liquid adjusts existing denitrating system with the variation of boiler load, often
Regulative mode is using pump+regulating valve combination, and this regulative mode sensitivity is small and consuming time is long, Bu Nengxun
Speed makes adjusting with the load of boiler.
Therefore, it needs further improvement.
Utility model content
The purpose of the utility model is to provide a kind of transportation systems of urea liquid dosage regulative mode optimization, using change
The independent regulative mode of frequency metering pump, adjusts the dosage of urea liquid rapidly with boiler load, avoids urea liquid mistake
Amount uses, and reduces the escaping of ammonia.
In order to achieve the above object, the technical solution of the utility model are as follows: a kind of urea liquid dosage regulative mode is excellent
The transportation system of change comprising for storing urea liquid storage tank, the multiple urea liquid transfer pumps, flow tune of urea liquid
Regulating device, the pressure transmitter for remotely monitoring pipeline pressure and for remotely monitoring the Electromagnetic Flow of fluid flow in pipeline
Meter；The urea liquid storage tank is connect with urea liquid transfer pump respectively by hand stop valve；The urea transfer pump point
It is not connect with pressure transmitter, the pressure transmitter is connect by electromagnetic flowmeter with the spray gun in the out of stock system of SCR, described
Flow regulator is mounted on the top of electromagnetic flowmeter；The urea liquid transfer pump is frequency conversion metering pump.
The transportation system of the urea liquid dosage regulative mode optimization, wherein the urea liquid storage tank point
Three road pipelines are connect with urea liquid transfer pump, are respectively connected with y-type filter between each urea transfer pump and hand stop valve
And ball valve；The corresponding urea liquid transfer pump A of three road pipelines, urea liquid transfer pump B and urea liquid transfer pump C.
The transportation system of the described urea liquid dosage regulative mode optimization, wherein the urea liquid transfer pump with
The pressure gauge on the spot for fluid pressure in display pipes on the spot is also equipped between pressure transmitter.
The transportation system of the described urea liquid dosage regulative mode optimization, wherein the pressure transmitter and on the spot
Pressure gauge passes through needle valve respectively and is connected on conveyance conduit.
The transportation system of the urea liquid dosage regulative mode optimization, wherein molten per the urea in pipeline all the way
Non-return valve and ball valve are sequentially installed between liquid transfer pump and on the spot pressure gauge.
The transportation system of the described urea liquid dosage regulative mode optimization, wherein the urea liquid transfer pump B and
Pass through safety valve and urea liquid storage tank behind pressure transmitter on the corresponding two-way pipeline of urea liquid transfer pump C
Connection.
The transportation system of the urea liquid dosage regulative mode optimization, wherein the safety valve and pressure inverting
Ball valve is also connected between device.
The utility model has the advantages that the utility model is by using the independent regulative mode of frequency conversion metering pump to each transport urea solution
Pipeline is adjusted, and pipeline pressure is monitored by pressure transmitter, while monitoring fluid flow in pipeline using long-range,
Flow regulator is cooperated to control flow again；Adjust the dosage of urea liquid rapidly with boiler load；So work
Skill is simple, high sensitivity, reduces maintenance point, can be avoided urea liquid and be excessively used, reduces the escaping of ammonia.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.
As shown in Figure 1, the utility model discloses a kind of transportation system of urea liquid dosage regulative mode optimization,
Including for storing urea liquid urea liquid storage tank 1, multiple urea liquid transfer pumps 2, flow regulator 3, be used to
Monitor the pressure transmitter 4 of pipeline pressure and remotely for remotely monitoring the electromagnetic flowmeter 5 of fluid flow in pipeline；The urine
Plain solution storage tank 1 is connect with urea liquid transfer pump 2 respectively by hand stop valve 6；The urea transfer pump 2 respectively with pressure
Power transmitter 4 connects, and the pressure transmitter 4 is connect by electromagnetic flowmeter 5 with the spray gun 7 in the out of stock system of SCR, the stream
Quantity regulating device 3 is mounted on the top of electromagnetic flowmeter 5；The urea liquid transfer pump 2 is frequency conversion metering pump.
The transportation system of the urea liquid dosage regulative mode optimization, wherein the urea liquid storage tank 1
Divide three road pipelines 8 to connect with urea liquid transfer pump 2, is respectively connected with Y type between each urea transfer pump 2 and hand stop valve 6
Filter 9 and ball valve 10；The corresponding urea liquid transfer pump A 21 of three road pipeline 8, urea liquid transfer pump B 22 and urine
Plain solution transfer pump C 23.
The Y-filter of the utility model is for removing the impurity in medium, to protect valve and the normal of equipment to make
With；Ball valve is mainly on-off action on pipeline.
The transportation system of the described urea liquid dosage regulative mode optimization, wherein the urea liquid transfer pump 2 with
Pressure gauge 11 on the spot for fluid pressure in display pipes on the spot are also equipped between pressure transmitter 4.
The transportation system of the described urea liquid dosage regulative mode optimization, wherein the pressure transmitter 4 and on the spot
Pressure gauge 11 is connected on conveyance conduit by needle valve 12 respectively；So a valve as instrument, in instrument maintenance from
Shutdown effect.
The transportation system of the urea liquid dosage regulative mode optimization, wherein molten per the urea in pipeline 8 all the way
Non-return valve 13 and ball valve 10 are sequentially installed between liquid transfer pump 2 and on the spot pressure gauge 11；Medium is prevented by non-return valve
It flows backwards, prevents urea liquid transfer pump and drive motor from inverting.
The transportation system of the urea liquid dosage regulative mode optimization, wherein the urea liquid transfer pump B
Pass through safety valve 14 and urine behind pressure transmitter 4 on the corresponding two-way pipeline 8 of 22 and urea liquid transfer pump C 23
Plain solution storage tank 1 connects；So safety valve is released stress as pipeline compression original part, guarantee that system pressure is stablized, in pressure
It is automatically opened when excessively high, safe release medium is simultaneously drained into suction line or chemical vessel；Urea liquid transfer pump can be protected
Safety and system normal operation；Pipeline, elbow, connector are protected simultaneously, reduces the impact of pressure oscillation.
The transportation system of the urea liquid dosage regulative mode optimization, wherein the safety valve 14 becomes with pressure
It send and is also connected with ball valve 10 between device 4.
The utility model is carried out by using pipeline of the independent regulative mode of frequency conversion metering pump to each transport urea solution
It adjusts, and monitors pipeline pressure by pressure transmitter, while using fluid flow in long-range monitoring pipeline, then with interflow
Quantity regulating device controls flow；Adjust the dosage of urea liquid rapidly with boiler load；So simple process, spirit
Sensitivity is high, reduces maintenance point, can be avoided urea liquid and be excessively used, and reduces the escaping of ammonia.
It is preferred embodiments of the present invention above, the right of the utility model cannot be limited with this certainly
Range, it is noted that those of ordinary skill in the art, do not make the creative labor to the utility model technical side
The modification or equivalent replacement of case, without departure from the protection scope of technical solutions of the utility model.
Claims (7)
1. a kind of transportation system of urea liquid dosage regulative mode optimization, which is characterized in that including molten for storing urea
The urea liquid storage tank of liquid, multiple urea liquid transfer pumps, flow regulator, the pressure for remotely monitoring pipeline pressure
Transmitter and for remotely monitoring the electromagnetic flowmeter of fluid flow in pipeline；The urea liquid storage tank passes through manual shutoff
Valve is connect with urea liquid transfer pump respectively；The urea transfer pump is connect with pressure transmitter respectively, the pressure transmitter
It is connect by electromagnetic flowmeter with the spray gun in the out of stock system of SCR, the flow regulator is mounted on the upper of electromagnetic flowmeter
Side；The urea liquid transfer pump is frequency conversion metering pump.
2. the transportation system of urea liquid dosage regulative mode optimization according to claim 1, which is characterized in that described
Three road pipelines of urea liquid storage tank point are connect with urea liquid transfer pump, between each urea transfer pump and hand stop valve
It is connected with y-type filter and ball valve；The corresponding urea liquid transfer pump A of three road pipelines, urea liquid transfer pump B and urea
Solution transfer pump C.
3. the transportation system of urea liquid dosage regulative mode optimization according to claim 2, which is characterized in that described
The pressure gauge on the spot for fluid pressure in display pipes on the spot is also equipped between urea liquid transfer pump and pressure transmitter.
4. the transportation system of urea liquid dosage regulative mode optimization according to claim 3, which is characterized in that described
Pressure transmitter and on the spot pressure gauge pass through needle valve respectively and are connected on conveyance conduit.
5. the transportation system of urea liquid dosage regulative mode optimization according to claim 4, which is characterized in that each
Urea liquid transfer pump in the pipeline of road and between pressure gauge it is sequentially installed with non-return valve and ball valve on the spot.
6. the transportation system of urea liquid dosage regulative mode optimization according to claim 5, which is characterized in that described
Pass through safety behind pressure transmitter on the corresponding two-way pipeline of urea liquid transfer pump B and urea liquid transfer pump C
Valve is connect with urea liquid storage tank.
7. the transportation system of urea liquid dosage regulative mode optimization according to claim 6, which is characterized in that described
Ball valve is also connected between safety valve and pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821763442.1U CN209378808U (en) | 2018-10-30 | 2018-10-30 | A kind of transportation system of urea liquid dosage regulative mode optimization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821763442.1U CN209378808U (en) | 2018-10-30 | 2018-10-30 | A kind of transportation system of urea liquid dosage regulative mode optimization |
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| Publication Number | Publication Date |
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| CN209378808U true CN209378808U (en) | 2019-09-13 |
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ID=67867435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821763442.1U Active CN209378808U (en) | 2018-10-30 | 2018-10-30 | A kind of transportation system of urea liquid dosage regulative mode optimization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377814A (en) * | 2020-11-12 | 2021-02-19 | 北京工大环能科技有限公司 | System for realizing one machine with multiple purposes in fluid conveying |
-
2018
- 2018-10-30 CN CN201821763442.1U patent/CN209378808U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377814A (en) * | 2020-11-12 | 2021-02-19 | 北京工大环能科技有限公司 | System for realizing one machine with multiple purposes in fluid conveying |
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