CN206295930U - A kind of hydrolyzer urea liquid reflux pipeline - Google Patents
A kind of hydrolyzer urea liquid reflux pipeline Download PDFInfo
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- CN206295930U CN206295930U CN201621349708.9U CN201621349708U CN206295930U CN 206295930 U CN206295930 U CN 206295930U CN 201621349708 U CN201621349708 U CN 201621349708U CN 206295930 U CN206295930 U CN 206295930U
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- urea liquid
- hydrolyzer
- urea
- pipeline
- conveyance conduit
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Abstract
The utility model discloses a kind of hydrolyzer urea liquid reflux pipeline, including urea liquid storage tank, No. two urea liquid storage tanks, a hydrolyzer and No. two hydrolyzers；A number urea liquid tank bottom connects a bottom for hydrolyzer by urea liquid conveyance conduit, and No. two urea liquid tank bottoms connect No. two bottoms of hydrolyzer by urea liquid conveyance conduit；Two urea liquid conveyance conduits are respectively equipped with a urea liquid delivery pump and No. two urea liquid delivery pumps at a urea liquid storage tank, No. two urea liquid storage tanks；Two urea liquid conveyance conduits between urea liquid delivery pump and hydrolyzer are connected by getting in touch with pipeline, and junction is respectively provided on two sides with stop valve, and stop valve also is provided with contact pipeline；Urea liquid storage tank top connects urea liquid conveyance conduit by recirculation conduit；Hydrolyzer bottom connects urea liquid conveyance conduit by reflux line.
Description
Technical field
The utility model is related to hydrolyzer urea liquid conveyance conduit equipment technical field, more particularly to a kind of hydrolyzer urine
Plain solution return line.
Background technology
Hydrolysis of urea and ammonia dilution spraying system include hydrolysis of urea reactor module, metering module, drain tank, hydrophobic
Pump, waste water tank, waste water pump, ammonia-air mixer, vortex mixer etc..
The urea liquid of concentration about 50% is transported in hydrolysis of urea reactor, and saturated vapor is entered by way of coil pipe
Enter hydrolysis reactor, saturated vapor does not mix with urea liquid, flowed back by coil pipe, condensed water is reclaimed by drain tank, drainage pump.
Urea concentration in hydrolysis reactor can reach 40~50%, and the pressure of gas-liquid two-phase equilibrium system is about 0.6~
0.8MPa, temperature is about 150~180 DEG C.What is generated in hydrolysis reactor initially enters metering module containing ammonia flow, then
Diluted by boiler heat primary air, finally enter ammonia-flue gas hybrid system.
Every boiler sets 1 hydrolysis reactor, and hydrolysis reactor has been disposed about 1 drain tank and 2 drainage pumps（1
It is standby with 1）.Every hydrolysis reactor sets 1 waste water tank and 1 waste water pump is used for hydrolysis reactor pressure releasing and blowdown, gives up
Solution will not return again to hydrolysis reactor in water tank.Cause the waste of urea liquid.
Utility model content
In order to solve the problems, such as the waste urea liquid that existing hydrolysis of urea and ammonia dilution spraying system are present, this practicality
New purpose is to provide a kind of hydrolyzer urea liquid reflux pipeline.
The utility model is adopted the technical scheme that：
Hydrolyzer urea liquid reflux pipeline of the present utility model includes a urea liquid storage tank, No. two urea liquid storages
Tank, a hydrolyzer and No. two hydrolyzers；A number urea liquid tank bottom connects a water by urea liquid conveyance conduit
The bottom of device is solved, No. two urea liquid tank bottoms connect No. two bottoms of hydrolyzer by urea liquid conveyance conduit；Two
It is defeated that urea liquid conveyance conduit is respectively equipped with a urea liquid at a urea liquid storage tank, No. two urea liquid storage tanks
Send pump and No. two urea liquid delivery pumps；Two urea liquid conveyance conduits between urea liquid delivery pump and hydrolyzer pass through
Contact pipeline connection, junction is respectively provided on two sides with stop valve, and stop valve also is provided with contact pipeline；Urea liquid storage tank top
Urea liquid conveyance conduit is connected by recirculation conduit；Hydrolyzer bottom connects urea liquid delivery pipe by reflux line
Road；Stop valve is designed with the reflux line and recirculation conduit；Also set on the urea liquid conveyance conduit of hydrolyzer
There is stop valve.
Recirculation conduit is located at contact pipeline and connects with urea liquid conveyance conduit with the junction of urea liquid conveyance conduit
Connect the close hydrolyzer side at place.
The outlet that two urea liquid conveyance conduits are connected with hydrolyzer is respectively provided with a pressure transmitter.
Reflux line is the pipeline of DN32, and pipeline electric-heating belt winds and adds insulation.
Good effect of the present utility model is as follows：
Hydrolyzer urea liquid reflux pipeline of the present utility model is by two corresponding urine of urea liquid delivery pump correspondence
Plain solution delivery line, and middle contact contact is set between conveyance conduit, realize a urea liquid delivery pump simultaneously to two
Urea liquid conveyance conduit feed flow, when a hydrolyzer orderly closedown needs to empty hydrolyzer, the residual liquid of hydrolyzer bottom
Urea liquid storage tank is back to by the effect of self gravitation, and does not influence another normal operation of hydrolyzer, both saved
Urea liquid, and do not delay production.
Brief description of the drawings
Fig. 1 is the structural representation of hydrolyzer urea liquid reflux pipeline of the present utility model；
Number urea liquid storage tank of 1-；No. bis- urea liquid storage tanks of 2-；Number urea liquid delivery pump of 3-；No. bis- urea of 4-
Solution transfer pump；Number hydrolyzer of 5-；No. bis- hydrolyzers of 6-；7- contacts pipeline, 8- recirculation conduits, 9- reflux lines, 10- urine
Plain solution delivery line.
Specific embodiment
The following examples are described in further detail to of the present utility model.
Embodiment 1
As shown in figure 1, hydrolyzer urea liquid reflux pipeline of the present utility model includes a urea liquid storage tank 1, two
Number 2, hydrolyzer 5 of urea liquid storage tank and No. two hydrolyzers 6；A number bottom of urea liquid storage tank 1 is defeated by urea liquid
Pipeline 10 is sent to connect a bottom for hydrolyzer 5, No. two bottoms of urea liquid storage tank 2 are connected by urea liquid conveyance conduit 10
No. two bottoms of hydrolyzer 6；Two urea liquid conveyance conduits are near 1, No. two urea liquid storage tanks 2 of a urea liquid storage tank
Place is respectively equipped with a urea liquid delivery pump 3 and No. two urea liquid delivery pumps 4；Between urea liquid delivery pump and hydrolyzer
Two urea liquid conveyance conduits 10 connected by getting in touch with pipeline 7, junction is respectively provided on two sides with stop valve, gets in touch with pipeline 7
On also be provided with stop valve；Urea liquid storage tank top connects urea liquid conveyance conduit by recirculation conduit 8；Hydrolyzer bottom
Urea liquid conveyance conduit is connected by reflux line 9.
Recirculation conduit 8 is located at contact pipeline 7 and urea liquid delivery pipe with the junction of urea liquid conveyance conduit 10
The close hydrolyzer side of the junction of road 10.
The outlet that two urea liquid conveyance conduits 10 are connected with hydrolyzer is respectively provided with a pressure transmitter.
Stop valve is designed with two recirculation conduits 8.
Stop valve is designed with two reflux lines 9.
Reflux line is the pipeline of DN32, and pipeline electric-heating belt winds and adds insulation.
Urea liquid conveyance conduit 10 near hydrolyzer is provided with stop valve.
When two hydrolyzers normally run, contact pipeline 7 in the middle of urea liquid conveyance conduit is opened, realize a delivery pump
Giving two hydrolyzer feed flows, two urea liquid delivery pumps simultaneously can normally switch.
When a hydrolyzer orderly closedown need empty hydrolyzer, such as stop transport be No. two hydrolyzers 6 when, urea is molten
Liquid delivery pump switches to No. one, closes contact pipeline 7 in the middle of urea liquid conveyance conduit 10, and No. two urea liquids of manual unlocking are defeated
Send pump 4 to No. two recirculation conduits of urea liquid storage tank 2, open No. two 6 device bottom reflux lines of hydrolysis and conveyed with urea liquid
The urea liquid return valve of the middle setting of pipeline 10, the residual liquid in No. two hydrolyzers 6 is flowed back by the effect of self gravitation
To No. two urea liquid storage tanks 2.Equally, when No. two hydrolyzers 6 normally run, and an orderly closedown of hydrolyzer 5 needs emptying
Also the effect above can be realized.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of hydrolyzer urea liquid reflux pipeline, an including urea liquid storage tank（1）, No. two urea liquid storage tanks（2）、
A number hydrolyzer（5）With No. two hydrolyzers（6）；A number urea liquid storage tank（1）Bottom passes through urea liquid conveyance conduit (10)
A number hydrolyzer of connection（5）Bottom, No. two urea liquid storage tanks（2）Bottom connects two by urea liquid conveyance conduit (10)
Number hydrolyzer（6）Bottom；Two urea liquid conveyance conduits are near a urea liquid storage tank（1）, No. two urea liquid storages
Tank（2）Place is respectively equipped with a urea liquid delivery pump（3）With No. two urea liquid delivery pumps（4）；It is characterized in that：Urea is molten
Two urea liquid conveyance conduits (10) between liquid delivery pump and hydrolyzer are by getting in touch with pipeline（7）Connection, junction both sides
Stop valve is respectively equipped with, pipeline is got in touch with（7）On also be provided with stop valve；Two urea liquid storage tank tops pass through recirculation conduit
(8) connection urea liquid conveyance conduit (10)；Two hydrolyzer bottoms connect urea liquid conveyance conduit by reflux line (9)
(10)；Stop valve is designed with the reflux line (9) and recirculation conduit (8)；Near the urea liquid delivery pipe of hydrolyzer
Road also is provided with stop valve on (10).
2. hydrolyzer urea liquid reflux pipeline as claimed in claim 1, it is characterised in that：Recirculation conduit (8) and urea
The junction of solution delivery line (10) is located at contact pipeline（7）With the close hydrolysis of urea liquid conveyance conduit (10) junction
Device side.
3. hydrolyzer urea liquid reflux pipeline as claimed in claim 1, it is characterised in that：Two urea liquid conveyance conduits
The outlet being connected with hydrolyzer is respectively provided with a pressure transmitter.
4. hydrolyzer urea liquid reflux pipeline as claimed in claim 1, it is characterised in that：Reflux line is the pipe of DN32
Road, pipeline electric-heating belt winds and adds insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621349708.9U CN206295930U (en) | 2016-12-09 | 2016-12-09 | A kind of hydrolyzer urea liquid reflux pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621349708.9U CN206295930U (en) | 2016-12-09 | 2016-12-09 | A kind of hydrolyzer urea liquid reflux pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206295930U true CN206295930U (en) | 2017-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621349708.9U Active CN206295930U (en) | 2016-12-09 | 2016-12-09 | A kind of hydrolyzer urea liquid reflux pipeline |
Country Status (1)
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| CN (1) | CN206295930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321729A (en) * | 2021-12-16 | 2022-04-12 | 河南中电投华新电力工程有限公司 | Device and method for preventing crystallization in urea solution conveying process |
-
2016
- 2016-12-09 CN CN201621349708.9U patent/CN206295930U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321729A (en) * | 2021-12-16 | 2022-04-12 | 河南中电投华新电力工程有限公司 | Device and method for preventing crystallization in urea solution conveying process |
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Address after: 100039 room 901, 9 / F, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039 room 911, 1 building, 16 West Fourth Ring Road, Haidian District, Beijing. Patentee before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |