CN106513393A - Ammonia area system cleaning device and method - Google Patents
Ammonia area system cleaning device and method Download PDFInfo
- Publication number
- CN106513393A CN106513393A CN201610833761.4A CN201610833761A CN106513393A CN 106513393 A CN106513393 A CN 106513393A CN 201610833761 A CN201610833761 A CN 201610833761A CN 106513393 A CN106513393 A CN 106513393A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- cleaning
- storage tank
- pipe
- water
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses an ammonia area system cleaning device and method. The ammonia area system cleaning device comprises an ammonia storage tank, an ammonia recycling device, an ammonia replacing device and a cleaning device body. The ammonia recycling device comprises a liquid ammonia recycling device and an ammonia water recycling device. The liquid ammonia recycling device comprises an ammonia standby storage tank, a compressor and a recycling pipeline. The ammonia storage tank communicates with the ammonia standby storage tank through the recycling pipeline. The compressor is arranged on the recycling pipeline. The ammonia water recycling device comprises a recycling pump, a conveying pipe and an ammonia water recycling tank. The ammonia storage tank communicates with the conveying pipe. The recycling pump is arranged on the conveying pipe. An outlet of the conveying pipe is arranged in the ammonia water recycling tank. The ammonia replacing device comprises a nitrogen storage tank and a nitrogen conveying pipe. The nitrogen storage tank and the ammonia storage tank are connected through the nitrogen conveying pipe. The cleaning device body comprises a cleaning groove, a water conveying pipe and a cleaning pump. The cleaning groove communicates with the ammonia storage tank through the water conveying pipe, and the water conveying pipe is provided with the cleaning pump. The cleaning process includes ammonia retreating, nitrogen replacing, steam cleaning, spraying cleaning, natural ventilation, gas detection, manual cleaning and detecting checking and accepting. By means of the ammonia area system cleaning device and method, cleaning can be effective and thorough, and ammonia recycling is guaranteed.
Description
Technical field
The present invention relates to ammonia sound zone system cleaning equipment and cleaning method, belong to power environment protection apparatus field.
Background technology
With the prolongation of run time, by being gradually lowered, its main reason is denitration efficiency power plant's liquid ammonia storage tank：Liquid
Ammonia causes to can not meet SCR system ammonia amount demand for ammonia amount for ammonia pipeline blockage, and the concentration of emission for directly contributing nitrogen oxides surpasses
Mark, continuously runs 6000-10000h according to each power plant's summing up experience ammonia tank, need to carry out an ammonia tank cleaning, otherwise meet
Not SCR system ammonia amount demand.Specified according to DL/T 322-2010 coal steam-electric plant smoke denitration (SCR) turnarounds of unit code, liquefied ammonia
The tank time between overhauls(TBO) is 3 years 1 time.Therefore need ammonia sound zone system Environment protection cleaning equipment.
The content of the invention
In view of this, the invention provides ammonia sound zone system cleaning equipment and cleaning method, can effectively ensure that personnel's
Safety, cleans up thoroughly, it is ensured that ammonia recovery.
The present invention solves above-mentioned technical problem by following technological means：
The ammonia sound zone system cleaning equipment of the present invention, which includes ammonia storage tank, ammonia recovery unit, ammonia displacement apparatus and cleaning dress
Put, the ammonia recovery unit includes liquefied ammonia retracting device and ammonia water recovery device, the liquefied ammonia retracting device includes the standby storage of ammonia
Tank, compressor and recovery channel, by being connected by recovery channel between the ammonia storage tank and ammonia stand-by storage, the compressor
Be arranged on recovery channel, the ammonia water recovery device includes recovery pump, delivery pipe and ammoniacal liquor recycling can, the ammonia storage tank with it is defeated
Pipe is sent to connect, the recovery pump is arranged in delivery pipe, the outlet of the delivery pipe is arranged in ammoniacal liquor recycling can, and the ammonia is put
Changing device includes nitrogen storage tank and nitrogen feeding pipe, is connected by nitrogen feeding pipe between the nitrogen storage tank and ammonia storage tank, the cleaning dress
Put including rinse bath, water-supply-pipe and cleaning pump, connected by water-supply-pipe between the rinse bath and ammonia storage tank, on the water-supply-pipe
It is provided with cleaning pump.
Pressure gauge, ammonia detector and safety valve is provided with the ammonia storage tank.
The ammonia storage tank is connected with air blast.
The ammoniacal liquor recycling can is built with ammonia absorbent.
Filler pipe and plus cleaning agent pipe is provided with the rinse bath.
Spray head is provided with the water-supply-pipe.
Employing Chemical cleaning and physical cleaning described in addressed cleaning method combines method.
Described Chemical cleaning：Synthesize cleaning formulation using professional ammonia tank chemicals, one is put into during bubble is invaded
Quantitative ingredients, makes to be bonded in the crystalline solid in tank, in pipeline and softens, decomposes and come off.More obstinate there is no softening and shedding to those
Crystallization, when manually being cleared up local brush professional prescription medicament again so as to softening and shedding.
Described physics cleaning：Be that professional staff is entered in tank body, labor cleaning is carried out using professional tool.
Described cleaning process：Preparation-move back ammonia-nitrogen displacement-steam clean-cleaning showers-gravity-flow ventilation-gas
Detection-labor cleaning-detection is checked and accepted.
Beneficial effects of the present invention：The ammonia sound zone system cleaning equipment of the present invention, can effectively ensure that the safety of personnel, clearly
Wash clean is thorough, it is ensured that ammonia recovery.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the present invention.
Wherein：1st, ammonia storage tank, 2, ammonia recovery unit, 3, ammonia displacement apparatus, 4, cleaning device, 5, liquefied ammonia retracting device, 6,
Ammonia water recovery device, 7, ammonia stand-by storage, 8, compressor, 9, recovery channel, 10, recovery pump, 11, delivery pipe, 12, ammoniacal liquor reclaims
Tank, 13, nitrogen storage tank, 14, nitrogen feeding pipe, 15, rinse bath, 16, water-supply-pipe, 17, cleaning pump, 18, pressure gauge, 19, ammonia detection
Instrument, 20, safety valve, 21, air blast, 22, filler pipe, 23, plus cleaning agent pipe, 24, spray head.
Specific embodiment
Below with reference to accompanying drawing, the present invention is described in detail, as shown in Figure 1：The ammonia sound zone system cleaning of the present embodiment sets
Standby, which includes ammonia storage tank 1, ammonia recovery unit 2, ammonia displacement apparatus 3 and cleaning device 4, and the ammonia recovery unit 2 includes that liquefied ammonia is returned
Receiving apparatus 5 and ammonia water recovery device 6, the liquefied ammonia retracting device 5 include ammonia stand-by storage 7, compressor 8 and recovery channel 9, institute
State by being connected by recovery channel 9 between ammonia storage tank 1 and ammonia stand-by storage 7, the compressor 8 is arranged on recovery channel 9,
The ammonia water recovery device 6 includes recovery pump 10, delivery pipe 11 and ammoniacal liquor recycling can 12, and the ammonia storage tank 1 is connected with delivery pipe 11
Logical, the recovery pump 10 is arranged in delivery pipe 11, and the outlet of the delivery pipe 11 is arranged in ammoniacal liquor recycling can 12, the ammonia
Displacement apparatus 3 include nitrogen storage tank 13 and nitrogen feeding pipe 14, are connected by nitrogen feeding pipe 14 between the nitrogen storage tank 13 and ammonia storage tank 1
Connect, the cleaning device 4 includes rinse bath 15, water-supply-pipe 16 and cleaning pump 17, passes through between the rinse bath 15 and ammonia storage tank 1
Water-supply-pipe 16 is connected, and is provided with cleaning pump 17 on the water-supply-pipe 16.
Pressure gauge 18, ammonia detector 19 and safety valve 20 is provided with the ammonia storage tank 1.
The ammonia storage tank 1 is connected with air blast 21.
The ammoniacal liquor recycling can 12 is built with ammonia absorbent.
Filler pipe 22 and plus cleaning agent pipe 23 is provided with the rinse bath 15.
Spray head 24 is provided with the water-supply-pipe 16.
In order to the safety for effectively ensureing personnel, clean up thoroughly, it is ensured that ammonia recovery.Actually used
When, according to analysis result, cause for the main cause of ammonia pipeline blockage be：The impurity of liquid ammonia storage tank inner bottom part is more, and impurity is with liquid
Ammonia is entered in pipeline, blocking adjustment valve, is caused and be can not meet SCR region domain ammonia amount needs for ammonia amount.In order to thoroughly solve liquefied ammonia
The impurity that bottom is accumulated, it is necessary to which comprehensive thoroughly cleaning is carried out to liquid ammonia storage tank system.
Employing Chemical cleaning and physical cleaning described in addressed cleaning method combines method.
Described Chemical cleaning：Synthesize cleaning formulation using professional ammonia tank chemicals, one is put into during bubble is invaded
Quantitative ingredients, makes to be bonded in the crystalline solid in tank, in pipeline and softens, decomposes and come off.More obstinate there is no softening and shedding to those
Crystallization, when manually being cleared up local brush professional prescription medicament again so as to softening and shedding.
Described physics cleaning：Be that professional staff is entered in tank body, labor cleaning is carried out using professional tool.
Described cleaning process：Preparation-move back ammonia-nitrogen displacement-steam clean-cleaning showers-gravity-flow ventilation-gas
Detection-labor cleaning-detection is checked and accepted.
The ammonia recovery unit 2, ammonia displacement apparatus 3 and cleaning device 4 are respectively used to move back ammonia, nitrogen displacement and cleaning.
The ammonia recovery unit 2 includes liquefied ammonia retracting device 5 and ammonia water recovery device 6, and the liquefied ammonia retracting device 5 includes
Ammonia stand-by storage 7, compressor 8 and recovery channel 9, by by recovery channel 9 between the ammonia storage tank 1 and ammonia stand-by storage 7
Connection, the compressor 8 are arranged on recovery channel 9, liquefied ammonia are pressed onto in ammonia stand-by storage 7 by compressor 8 and are realized liquefied ammonia
Recovery.
The ammonia water recovery device 6 includes recovery pump 10, delivery pipe 11 and ammoniacal liquor recycling can 12, the ammonia storage tank 1 with it is defeated
Pipe 11 is sent to connect, the recovery pump 10 is arranged in delivery pipe 11, the outlet of the delivery pipe 11 is arranged on ammoniacal liquor recycling can 12
It is interior, ammoniacal liquor can be will be delivered in ammoniacal liquor recycling can 12 by recovery pump 10, by ammoniacal liquor recycling can 12 built with ammonia absorb
Agent absorbs.
The ammonia displacement apparatus 3 include nitrogen storage tank 13 and nitrogen feeding pipe 14, lead between the nitrogen storage tank 13 and ammonia storage tank 1
Cross nitrogen feeding pipe 14 to connect, nitrogen is transported in ammonia storage tank 1 by nitrogen feeding pipe 14, so as to by the ammonia in nitrogen displacement ammonia storage tank 1
Gas.
The cleaning device 4 includes rinse bath 15, water-supply-pipe 16 and cleaning pump 17, the rinse bath 15 and ammonia storage tank 1 it
Between connected by water-supply-pipe 16, be provided with cleaning pump 17 on the water-supply-pipe 16.Filler pipe 22 is provided with rinse bath 15 and is added
Cleaning agent pipe 23.Water and cleaning agent can be loaded in rinse bath 15, can be cleaned with water and cleaning agent.
Ammonia storage tank 1 is connected with air blast 21, can be used to enter air blast in ammonia storage tank 1, it is ensured that the safety of people.
Pressure gauge 18, ammonia detector 19 and safety valve 20 is provided with the ammonia storage tank 1.Pressure gauge 18 can be used to measure
Pressure in ammonia storage tank 1, the ammonia level that ammonia detector 19 is used in measurement ammonia storage tank 1, so that it is guaranteed that personal security.
Finally illustrate, above example is only unrestricted to illustrate technical scheme, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, which all should be covered at this
In the middle of the right of invention.
Claims (9)
1. ammonia sound zone system cleaning equipment, it is characterised in that：Including ammonia storage tank 1, ammonia recovery unit 2, ammonia displacement apparatus 3 and cleaning dress
4 are put, the ammonia recovery unit 2 includes liquefied ammonia retracting device 5 and ammonia water recovery device 6, the liquefied ammonia retracting device 5 includes that ammonia is standby
With storage tank 7, compressor 8 and recovery channel 9, by being connected by recovery channel 9 between the ammonia storage tank 1 and ammonia stand-by storage 7,
The compressor 8 is arranged on recovery channel 9, and the ammonia water recovery device 6 includes that recovery pump 10, delivery pipe 11 and ammoniacal liquor are reclaimed
Tank 12, the ammonia storage tank 1 are connected with delivery pipe 11, the recovery pump 10 is arranged in delivery pipe 11, and the delivery pipe 11 goes out
Mouth is arranged in ammoniacal liquor recycling can 12, and the ammonia displacement apparatus 3 include nitrogen storage tank 13 and nitrogen feeding pipe 14, the nitrogen storage tank 13
It is connected by nitrogen feeding pipe 14 between ammonia storage tank 1, the cleaning device 4 includes rinse bath 15, water-supply-pipe 16 and cleaning pump 17, institute
State, on the water-supply-pipe 16, be provided with cleaning pump 17.
2. ammonia sound zone system cleaning equipment according to claim 1, it is characterised in that：Pressure is provided with the ammonia storage tank 1
Table 18, ammonia detector 19 and safety valve 20.
3. ammonia sound zone system cleaning equipment according to claim 1, it is characterised in that：The ammonia storage tank 1 is connected with air blast 21
It is logical.
4. ammonia sound zone system cleaning equipment according to claim 1, it is characterised in that：The ammoniacal liquor recycling can 12 is built with ammonia
Absorbent.
5. ammonia sound zone system cleaning equipment according to claim 1, it is characterised in that：It is provided with the rinse bath 15 and adds water
Pipe 22 and plus cleaning agent pipe 23.
6. ammonia sound zone system cleaning equipment according to claim 1, it is characterised in that：Spray is provided with the water-supply-pipe 16
24.
7. ammonia sound zone system cleaning equipment and cleaning method, it is characterised in that：Described tank body cleaning method using Chemical cleaning and
Physical cleaning combines method.
8. ammonia sound zone system cleaning equipment according to claim 7 and cleaning method, it is characterised in that：Described cleaning process
For：Preparation-move back ammonia-nitrogen displacement-steam clean-cleaning showers-gravity-flow ventilation-gas detection-labor cleaning-detection is tested
Receive.
9. the ammonia sound zone system cleaning equipment and cleaning method according to claim 7 and 8, it is characterised in that：The recovery ammonia
Device 2, ammonia displacement apparatus 3 and cleaning device 4 are respectively used to move back ammonia, nitrogen displacement and cleaning；
The ammonia recovery unit 2 includes liquefied ammonia retracting device 5 and ammonia water recovery device 6, and the liquefied ammonia retracting device 5 includes that ammonia is standby
With storage tank 7, compressor 8 and recovery channel 9, by being connected by recovery channel 9 between the ammonia storage tank 1 and ammonia stand-by storage 7,
The compressor 8 is arranged on recovery channel 9, liquefied ammonia is pressed onto in ammonia stand-by storage 7 by compressor 8 and is realized returning for liquefied ammonia
Receive；
The ammonia water recovery device 6 includes recovery pump 10, delivery pipe 11 and ammoniacal liquor recycling can 12, the ammonia storage tank 1 and delivery pipe
11 connections, the recovery pump 10 are arranged in delivery pipe 11, and the outlet of the delivery pipe 11 is arranged in ammoniacal liquor recycling can 12, can
Ammoniacal liquor is will be delivered in ammoniacal liquor recycling can 12 by recovery pump 10, by ammoniacal liquor recycling can 12 built with ammonia absorbent inhale
Receive；
The ammonia displacement apparatus 3 include nitrogen storage tank 13 and nitrogen feeding pipe 14, by defeated between the nitrogen storage tank 13 and ammonia storage tank 1
Nitrogen pipe 14 connects, and nitrogen is transported in ammonia storage tank 1 by nitrogen feeding pipe 14, so as to by the ammonia in nitrogen displacement ammonia storage tank 1.
The cleaning device 4 includes rinse bath 15, water-supply-pipe 16 and cleaning pump 17, leads between the rinse bath 15 and ammonia storage tank 1
Cross water-supply-pipe 16 to connect, on the water-supply-pipe 16, be provided with cleaning pump 17；Filler pipe 22 and plus cleaning is provided with rinse bath 15
Agent pipe 23.Water and cleaning agent can be loaded in rinse bath 15, can be cleaned with water and cleaning agent.
Ammonia storage tank 1 is connected with air blast 21, can be used to enter air blast in ammonia storage tank 1, it is ensured that the safety of people.
Pressure gauge 18, ammonia detector 19 and safety valve 20 is provided with the ammonia storage tank 1.Pressure gauge 18 can be used to measure ammonia storage
Pressure in tank 1, the ammonia level that ammonia detector 19 is used in measurement ammonia storage tank 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833761.4A CN106513393A (en) | 2016-08-31 | 2016-08-31 | Ammonia area system cleaning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833761.4A CN106513393A (en) | 2016-08-31 | 2016-08-31 | Ammonia area system cleaning device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106513393A true CN106513393A (en) | 2017-03-22 |
Family
ID=58344162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833761.4A Pending CN106513393A (en) | 2016-08-31 | 2016-08-31 | Ammonia area system cleaning device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106513393A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848123A (en) * | 2019-01-30 | 2019-06-07 | 国电泉州热电有限公司 | A kind of ammonia station chemical cleaning method |
| CN111379972A (en) * | 2018-12-30 | 2020-07-07 | 新疆八一钢铁股份有限公司 | Low-temperature liquid tank car gas energy-saving replacement method |
| CN112299444A (en) * | 2020-10-14 | 2021-02-02 | 营口正源电力配套设备有限公司 | Mobile liquid ammonia recovery ammonia tank replacement equipment and method |
| CN114379942A (en) * | 2020-10-20 | 2022-04-22 | 中国石油天然气股份有限公司 | Storage tank |
-
2016
- 2016-08-31 CN CN201610833761.4A patent/CN106513393A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379972A (en) * | 2018-12-30 | 2020-07-07 | 新疆八一钢铁股份有限公司 | Low-temperature liquid tank car gas energy-saving replacement method |
| CN109848123A (en) * | 2019-01-30 | 2019-06-07 | 国电泉州热电有限公司 | A kind of ammonia station chemical cleaning method |
| CN112299444A (en) * | 2020-10-14 | 2021-02-02 | 营口正源电力配套设备有限公司 | Mobile liquid ammonia recovery ammonia tank replacement equipment and method |
| CN114379942A (en) * | 2020-10-20 | 2022-04-22 | 中国石油天然气股份有限公司 | Storage tank |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170322 |