CN203838021U - Device for detecting abrasion strength of flat plate type smoke denitration catalyst - Google Patents
Device for detecting abrasion strength of flat plate type smoke denitration catalyst Download PDFInfo
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- CN203838021U CN203838021U CN201420133325.2U CN201420133325U CN203838021U CN 203838021 U CN203838021 U CN 203838021U CN 201420133325 U CN201420133325 U CN 201420133325U CN 203838021 U CN203838021 U CN 203838021U
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- China
- Prior art keywords
- catalyst
- sample box
- sample
- flat
- box
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- Expired - Lifetime
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- 239000003054 catalyst Substances 0.000 title claims abstract description 69
- 238000005299 abrasion Methods 0.000 title abstract description 10
- 239000000779 smoke Substances 0.000 title abstract 2
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 21
- 238000002474 experimental method Methods 0.000 claims description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000013074 reference sample Substances 0.000 description 8
- 239000006101 laboratory sample Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
Abstract
A device for detecting abrasion strength of a flat plate type smoke denitration catalyst comprises a fan (1), an adjusting air door (2), an air passage (3), a speed measuring instrument (4), a feeding machine (5), a feeding pipe (6), an ejector (7), a reference catalyst sample box (8A), an experimental catalyst sample box (8B), a reference catalyst installing chamber (9), an experimental catalyst installing chamber (10), an inclined type micromanometer (11), an abrasion agent collection box (12) and an airflow separator (13), wherein the reference catalyst sample box (8A) and the experimental catalyst sample box (8B) are both of a square pipe structure, six parallel grooves are formed in inner sides of upper and lower walls of each of the two sample boxes, and six flat plate type catalysts can be inserted in the six parallel grooves for abrasion tests. When the fan (1) and the feeding machine (5) are in motion, an air flow firstly passes a sample in the reference catalyst installing chamber (9), is mixed with an abrasion agent to wash and abrade the sample in the experimental catalyst installing chamber (10), and finally enters the abrasion agent collection box (12), and under the action of the separator (13), the abrasion agent can be separated and recycled, and the air flow is blanked.
Description
Technical field
The utility model belongs to environmental engineering air pollution control technique field, is a kind of device detecting for flat catalyst for denitrating flue gas tear strength.
Background technology
The Flue Gas Denitrification Engineering project of China is in the fast-developing stage, and in the end of the year 2012 of cut-off, national denitration installed capacity is 2.3 hundred million kilowatts, accounts for 28% of all coal burning machine kludge capacity at that time.Wherein, in the denitration project putting into operation for 2012, there is 98% employing selective catalytic reduction (SCR) denitrating technique.Catalyzer is the technological core of flue gas SCR denitration, mainly contains honeycomb fashion and flat two kinds, the occupancy of current flat catalyzer approximately 30%.For the index request of flat catalyzer, except the indexs such as chemical property and micro-property, also needed good mechanical property, wherein just comprise wear resistance.Owing to containing the flue dust (25g/m of higher concentration in coal-fired plant flue gas
3~ 60 g/m
3), flat catalyzer is in use constantly worn, the adverse consequences such as may cause catalyst chemical coating attenuate or come off, and bring thus catalyst activity reduction, denitration efficiency can not meet the problems such as emissions requirements, thereby has accelerated replacing or the reproduction speed of catalyzer.
What the utility model adopted is the method that air-flow carries wearing and tearing agent friction, can simulate more truly flat catalyzer erosive wear situation in actual applications, and carry out quantitative analysis.Therefore, the invention of this device, to carrying out the detection of the flat catalyst abrasion intensity of denitration, has good using value and practice significance.
Summary of the invention
The purpose of this utility model is to provide a kind of convenient tear strength device of the flat catalyzer of denitrating flue gas under different simulated flue gas Flow Velocities, different wearing and tearing agent concentration condition that detect.
It comprises blower fan (1), damper (2), air channel (3), knotmeter (4), batcher (5), supply pipe (6), thrower (7), reference catalyst sample box (8A), reference catalyst installation room (9), experiment catalyst sample box (8B), experiment catalyst installation room (10), tilting micromanometer (11), wearing and tearing agent collecting box (12) and flow separator (13) the utility model.Catalyst sample box (8) is square tube construction, and upper lower wall inner side is equipped with 6 parallel slots, can insert 6 flat catalyst samples, the plate that makes sample apart between be 7 mm, with the flat catalyst plates in actual denitrification apparatus apart from consistent.Two catalyst sample boxes (8) are installed respectively flat catalyzer reference sample and laboratory sample.
The purpose of this utility model is achieved in that two voltage drop detection probes of air channel (3) connecting fan (1), damper (2), thrower (7), reference catalyst sample box (8A), reference catalyst installation room (9), experiment catalyst sample box (8B), experiment catalyst installation room (10), tilting micromanometer (11).Supply pipe (6) one end is connected with batcher, and the other end is connected with the air channel of thrower (7) top.Reference catalyst installation room (9) is for installing reference sample, and experiment catalyst installation room (10) is for installing laboratory sample.The detection probe of knotmeter (4) is arranged in the upstream of reference catalyst installation room (9), to avoid the wearing and tearing of silica sand wearing and tearing agent to probe, improves accuracy and reliability that wind speed detects.Under the synergy of knotmeter (4) and damper (2), can, according to the requirement of test condition, control gas velocity.Two probes of tilting micromanometer (10) are arranged in the upstream and downstream of experiment catalyst installation room (10), for detection of the pressure drop of flat catalyst abrasion sample.The hopper of batcher (5) packs silica sand wearing and tearing agent into, according to the requirement of test condition, controls delivery rate, realizes wearing and tearing agent concentration and meets testing requirement.Flow separator (13) is filter bag type separation vessel, and material is nonwoven fabrics, collects wearing and tearing agent and dust during work, and the gas dust content that makes to discharge meets the requirement of environmental protection.
Blower fan (1) is Scroll-tupe high pressure positive blower, the blast of sending reaches as high as 38 kPa, to overcome flat catalyzer reference sample and the resistance of laboratory sample and the on-way resistance in air channel, air-flow first passes through the reference sample in reference catalyst installation room (9), mix with wearing and tearing agent again, laboratory sample in experiment catalyst installation room (10) is carried out to erosive wear, finally enter wearing and tearing agent collecting box (12), under the effect of separation vessel (13), wearing and tearing agent is able to separated recycling use, and air-flow is emptying.
Before tear strength test, adopt reference catalyst sample box (8A) and experiment catalyst sample box (8B) that reference sample and laboratory sample are installed respectively, be placed in respectively more afterwards in reference catalyst installation room (9) and experiment catalyst installation room (10).During test, drop into blower fan (1) and batcher (5), under certain wind speed and wearing and tearing agent concentration condition, move to official hour, according to the quality before and after flat catalyzer reference sample and laboratory sample test and wearing and tearing agent consumption, calculate the tear strength value of flat catalyzer.
Accompanying drawing explanation
Fig. 1 is a kind of apparatus structure schematic diagram detecting for flat catalyst for denitrating flue gas tear strength.
The mark of Fig. 1 is described as follows:
1-blower fan;
2-damper;
3-air channel;
4-knotmeter;
5-batcher;
6-supply pipe;
7-thrower;
8A-reference catalyst sample box;
8B-experiment catalyst sample box;
9-reference catalyst installation room;
10-experiment catalyst installation room;
11-tilting micromanometer;
12-wearing and tearing agent collecting box;
13-flow separator.
Fig. 2 is the structural upright schematic diagram of catalyst sample box.
Embodiment
The Figure of description 1 and 2 of take is below the present embodiment, and the utility model is further illustrated:
1, by cutting out also weighted flat catalyzer, be respectively charged into two catalyst sample boxes (8).
2, connect these each novel parts of this practicality, in the hopper of batcher (5), add silica sand wearing and tearing agent.
3, drop into blower fan (1), according to the indicated value of knotmeter (4), adjusting damper (2) to gas velocity is 14.5 m/s ± 0.5m/s.
4, drop into batcher (5), adjust batcher and exert oneself to desired flow, the agent concentration that makes to wear and tear is 50 g ± 5 g/m
3.
5, stop batcher (5) and blower fan (1).
6, remove the wearing and tearing agent in wearing and tearing agent collecting boxs (12).
7, two the catalyst sample boxes (8) that install flat catalyst sample are placed in respectively to reference catalyst installation room (9) and experiment catalyst installation room (10).
8, drop into blower fan (1).
9, drop into batcher (5), start timing.
10, stop blower fan (1) and batcher (5) after moving to the schedule time.
11, take out two catalyst sample boxes (8), take out catalyst sample wherein.
12, respectively flat catalyzer reference and laboratory sample are weighed.
13, take out wearing and tearing agent in wearing and tearing agent collecting boxs (12), weigh.
14, according to the quality before and after above-mentioned reference sample quality and wearing and tearing sample test, wearing and tearing agent quality, calculate flat catalyst abrasion intensity.
Claims (5)
1. the device detecting for flat catalyst for denitrating flue gas tear strength, it comprises blower fan (1), damper (2), air channel (3), knotmeter (4), batcher (5), supply pipe (6), thrower (7), reference catalyst sample box (8A), reference catalyst installation room (9), experiment catalyst sample box (8B), experiment catalyst installation room (10), tilting micromanometer (11), wearing and tearing agent collecting box (12) and flow separator (13), it is characterized in that reference catalyst sample box (8A) and experiment catalyst sample box (8B) arranged in series, supply pipe (6) one end is connected with batcher, the other end is connected with the air channel of thrower (7) top, air channel (3) connecting fan (1), damper (2), thrower (7), the endpiece of supply pipe (6), reference catalyst installation room (9), experiment catalyst installation room (10), wearing and tearing agent collecting box (12), the detection probe of knotmeter (4), the detection probe of tilting micromanometer (11).
2. a kind of device detecting for flat catalyst for denitrating flue gas tear strength as claimed in claim 1, it is characterized in that reference catalyst sample box (8A) and experiment catalyst sample box (8B) structure are rectangular tube, on rectangular tube, lower wall inner side is respectively equipped with 6 parallel slots.
3. a kind of device detecting for flat catalyst for denitrating flue gas tear strength as claimed in claim 1, it is inner that the detection probe that it is characterized in that knotmeter (4) is arranged in the air channel (3) of reference catalyst installation room (9) upstream.
4. a kind of device detecting for flat catalyst for denitrating flue gas tear strength as claimed in claim 1, is characterized in that blower fan (1) is Scroll-tupe high pressure positive blower, maximum wind pressure 38 kPa.
5. a kind of device detecting for flat catalyst for denitrating flue gas tear strength as claimed in claim 1, is characterized in that flow separator (13) is filter bag type separation vessel, and material is nonwoven fabrics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133325.2U CN203838021U (en) | 2014-03-20 | 2014-03-20 | Device for detecting abrasion strength of flat plate type smoke denitration catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133325.2U CN203838021U (en) | 2014-03-20 | 2014-03-20 | Device for detecting abrasion strength of flat plate type smoke denitration catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838021U true CN203838021U (en) | 2014-09-17 |
Family
ID=51515845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420133325.2U Expired - Lifetime CN203838021U (en) | 2014-03-20 | 2014-03-20 | Device for detecting abrasion strength of flat plate type smoke denitration catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203838021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092796A (en) * | 2016-07-28 | 2016-11-09 | 龙净科杰环保技术（上海）有限公司 | It is applicable to polishing machine test equipment and the method for testing of SCR denitration |
| CN106442192A (en) * | 2016-08-27 | 2017-02-22 | 华电电力科学研究院 | Apparatus and method for detecting wear resistance of flue gas denitration catalyst |
-
2014
- 2014-03-20 CN CN201420133325.2U patent/CN203838021U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092796A (en) * | 2016-07-28 | 2016-11-09 | 龙净科杰环保技术（上海）有限公司 | It is applicable to polishing machine test equipment and the method for testing of SCR denitration |
| CN106442192A (en) * | 2016-08-27 | 2017-02-22 | 华电电力科学研究院 | Apparatus and method for detecting wear resistance of flue gas denitration catalyst |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO URBAN ENVIRONMENT OBSERVATION AND RESEARCH Free format text: FORMER OWNER: NINGBO URBAN ENVIRONMENT RESEARCH INSTITUTE (FUNDING), CHINESE ACADEMY OF SCIENCES Effective date: 20150324 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150324 Address after: 315800 Zhejiang province Ningbo city Beilun District Chunxiao Branch Road No. 88 Patentee after: NINGBO URBAN ENVIRONMENT OBSERVATION AND RESEARCH STATION-NUEORS, CHINESE ACADEMY OF SCIENCES Address before: 203 room 315800, East mould Engineering Center, Ningbo Polytechnic, 1069-2 new road, Beilun District, Zhejiang, Ningbo Patentee before: NINGBO URBAN ENVIRONMENTAL RESEARCH CENTER, CHINESE ACADEMY OF SCIENCES |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
|
| CX01 | Expiry of patent term |