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 PDF

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Publication number
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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China
Prior art keywords
urea liquid
urea
transfer pump
regulative mode
transportation system
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CN201821763442.1U
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Chinese (zh)
Inventor
劳新力
崔嵘
熊永功
李卫团
宁有智
田宇
邓传志
李雄
梁建友
陈康成
王涛
尉言磊
柳鹏
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China National Offshore Oil Corp CNOOC
CNOOC China Ltd Zhanjiang Branch
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China National Offshore Oil Corp CNOOC
CNOOC China Ltd Zhanjiang Branch
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Priority to CN201821763442.1U priority Critical patent/CN209378808U/en
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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

A kind of transportation system of urea liquid dosage regulative mode optimization
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.
CN201821763442.1U 2018-10-30 2018-10-30 A kind of transportation system of urea liquid dosage regulative mode optimization Active CN209378808U (en)

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

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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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CN209378808U true CN209378808U (en) 2019-09-13

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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