CN205642978U - A preprocessing device for filtering ammonia crystalline solid in sample flue gas - Google Patents
A preprocessing device for filtering ammonia crystalline solid in sample flue gas Download PDFInfo
- Publication number
- CN205642978U CN205642978U CN201620307773.9U CN201620307773U CN205642978U CN 205642978 U CN205642978 U CN 205642978U CN 201620307773 U CN201620307773 U CN 201620307773U CN 205642978 U CN205642978 U CN 205642978U
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- flue gas
- filter
- defogger
- connecting tube
- crystalline solid
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Abstract
The utility model provides a preprocessing device for filtering ammonia crystalline solid in sample flue gas, including flue gas filter, defogger and thin water filter, flue gas filter's air inlet is connected through first connecting pipe and the refrigerator that is used for cooling sample flue gas, flue gas filter's gas outlet is passed through the second connecting pipe with the air inlet of defogger and is connected, the gas outlet of defogger is passed through the third connecting pipe with thin water filter's intake pipe and is connected, thin water filter's gas outlet is passed through the fourth connecting pipe with denitration analysis appearance and is connected, flue gas filter's liquid outlet and row water piping connection, the liquid outlet and the liquid reserve tank of drain pipe are connected, be provided with the peristaltic pump on the drain pipe. The utility model discloses through triple filter effects of flue gas filter, defogger and thin water filter, can filter the ammonia crystalline solid that forms after the flue gas condensation of taking a sample effectively, guarantee denitration analysis appearance and normally work.
Description
Technical field
This utility model relates to a kind of pretreatment unit, is specifically related to a kind of in filtering and sampling flue gas
The pretreatment unit of ammonia crystalline solid.
Background technology
At present, domestic each power plant, after by gametic fertility, needs the part of smoke of extraction to take off
Nitre analysis is tested, and this partial fume of extraction referred to as samples flue gas, containing certain in this sampling flue gas
Ammonia, will produce ammonia crystalline solid after the condensation of refrigerator, and which results in denitration analyser and measure
Breaking down in loop, can make denitration analyser pretreatment system and analyze systematic survey and analysis result
Inaccurate, cause the economic loss of power plant.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, it is provided that
A kind of pretreatment unit for filtering and sampling ammonia in flue gas crystalline solid.This pretreatment unit structure letter
Single, through the triple filter effect of smoke filter, defogger and hydrophobic filter, can effectively by
The ammonia crystalline solid formed after sampling flue gas condensing filters out, it is ensured that denitration analyser normally works.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: one is used for filtering
The pretreatment unit of sampling ammonia in flue gas crystalline solid, it is characterised in that include smoke filter, dispersing fog
Device and hydrophobic filter, the air inlet of described smoke filter is taken with for cooling by the first connecting tube
The refrigerator of sample flue gas connects, and the gas outlet of described smoke filter and the air inlet of defogger are by second
Connecting tube connects, and the gas outlet of described defogger is with the air inlet pipe of hydrophobic filter by the 3rd connecting tube even
Connecing, the gas outlet of described hydrophobic filter is connected by the 4th connecting tube with denitration analyser, described flue gas
The liquid outlet of filter is connected with drain pipe, and the liquid outlet of described drain pipe is connected with reserving liquid tank, described row
Peristaltic pump it is provided with on water pipe.
Above-mentioned a kind of pretreatment unit for filtering and sampling ammonia in flue gas crystalline solid, its feature exists
In, described first connecting tube, the second connecting tube, the 3rd connecting tube, the 4th connecting tube and drain pipe are equal
For four fluorine tube.
Above-mentioned a kind of pretreatment unit for filtering and sampling ammonia in flue gas crystalline solid, its feature exists
In, use rubber hose to seal between described second connecting tube and the air inlet of defogger, the described 3rd
Rubber hose is used to seal between connecting tube and the gas outlet of defogger.
Above-mentioned a kind of pretreatment unit for filtering and sampling ammonia in flue gas crystalline solid, its feature exists
In, described rubber hose is fluorubber flexible pipe.
This utility model compared with prior art has the advantage that
1, this utility model simple in construction, easy to use, can effectively filter out sampling flue gas through cold
But the ammonia crystalline particle thing produced, it is to avoid denitration analyser produces due to the blocking of ammonia crystalline particle thing
Measure loop fault, it is ensured that denitration analyser pretreatment system and the operation steady in a long-term of the system of analysis.
2, this utility model is provided with smoke filter, defogger and hydrophobic filter, samples flue gas
Filter through three times, can effectively the ammonia crystalline solid formed after sampling flue gas condensing be filtered out, it is ensured that
Denitration analyser normally works.
3, this utility model cost of manufacture is low, and good filtration effect is worthy of popularization.
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1 smoke filter；2 defoggers；3 hydrophobic filters；
4 peristaltic pumps；5 first connecting tubes；6 second connecting tubes；
7 the 3rd connecting tubes；8 drain pipies；9 refrigerators；
10 the 4th connecting tubes；11 reserving liquid tanks；12 denitration analysers.
Detailed description of the invention
As it is shown in figure 1, this utility model includes smoke filter 1, defogger 2 and hydrophobic filter
3, the air inlet of described smoke filter 1 is by the first connecting tube 5 and the system for cooling down sampling flue gas
Cooler 9 connects, and the gas outlet of described smoke filter 1 is connected by second with the air inlet of defogger 2
Pipe 6 connects, and the gas outlet of described defogger 2 and the air inlet pipe of hydrophobic filter 3 are by the 3rd connecting tube
7 connect, and the gas outlet of described hydrophobic filter 3 is with denitration analyser 12 by the 4th connecting tube 10 even
Connecing, the liquid outlet of described smoke filter 1 is connected with drain pipe 8, the liquid outlet of described drain pipe 8 with
Reserving liquid tank 11 connects, and described drain pipe 8 is provided with peristaltic pump 4.
In the present embodiment, described smoke filter 1 is pottery smoke filter.
In the present embodiment, described first connecting tube the 5, second connecting tube the 6, the 3rd connecting tube the 7, the 4th
Connecting tube 10 and drain pipe 8 are four fluorine tube, described first connecting tube the 5, second connecting tube 6,
Three connecting tube the 7, the 4th connecting tubes 10 and drain pipe 8 all use four fluorine tube to have good mainly due to it
Good corrosion resistance, and be easy to get.
In the present embodiment, between described second connecting tube 6 and the air inlet of defogger 2, use rubber soft
The seal of tube, uses rubber hose to seal between described 3rd connecting tube 7 and the gas outlet of defogger 2.
In the present embodiment, described rubber hose is fluorubber flexible pipe, and rubber hose uses fluorubber flexible pipe
Being because it and have good corrosion resistance, service life is long.
When this utility model uses, the sampling flue gas after refrigerator 9 cools down first passes around smoke filter
The preliminary filtration of 1, filters out substantial amounts of ammonia crystalline solid and condensed water, and condensed water flows into storage through drain pipe 8
In liquid case 11, through smoke filter 1 filter after sampling flue gas again through the adsorption of defogger 2,
Absorb sampling ammonia in flue gas gas, after in hydrophobic filter 3 filters out sampling flue gas steam and particle diameter
Ammonia crystalline particle thing more than 0.2um, is finally adequately filtered out sampling the ammonia crystalline solid in flue gas, makes to take
Sample flue gas enters in denitration analyser 12 and carries out subsequent analysis test, it is ensured that denitration analyser pretreatment system
System and the operation steady in a long-term of the system of analysis.
The above, be only preferred embodiment of the present utility model, not makees this utility model any
Limit.Every according to utility model technical spirit, above example is made any simple modification, change
More and equivalence change, all still fall within the protection domain of technical solutions of the utility model.
Claims (4)
1. the pretreatment unit for filtering and sampling ammonia in flue gas crystalline solid, it is characterised in that bag
Include smoke filter (1), defogger (2) and hydrophobic filter (3), described smoke filter
(1) air inlet is by the first connecting tube (5) with the refrigerator (9) for cooling down sampling flue gas even
Connecing, the air inlet of the gas outlet of described smoke filter (1) and defogger (2) is by the second connecting tube
(6) connecting, the air inlet pipe of the gas outlet of described defogger (2) and hydrophobic filter (3) is by the
Three connecting tubes (7) connect, and the gas outlet of described hydrophobic filter (3) leads to denitration analyser (12)
Crossing the 4th connecting tube (10) to connect, the liquid outlet of described smoke filter (1) is with drain pipe (8) even
Connecing, the liquid outlet of described drain pipe (8) is connected with reserving liquid tank (11), and described drain pipe sets on (8)
It is equipped with peristaltic pump (4).
A kind of pretreatment for filtering and sampling ammonia in flue gas crystalline solid the most according to claim 1
Device, it is characterised in that described first connecting tube (5), the second connecting tube (6), the 3rd connection
Pipe (7), the 4th connecting tube (10) and drain pipe (8) are four fluorine tube.
A kind of pretreatment for filtering and sampling ammonia in flue gas crystalline solid the most according to claim 2
Device, it is characterised in that adopt between described second connecting tube (6) and the air inlet of defogger (2)
Seal by rubber hose, use between described 3rd connecting tube (7) and the gas outlet of defogger (2)
Rubber hose seals.
A kind of pretreatment for filtering and sampling ammonia in flue gas crystalline solid the most according to claim 3
Device, it is characterised in that described rubber hose is fluorubber flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307773.9U CN205642978U (en) | 2016-04-13 | 2016-04-13 | A preprocessing device for filtering ammonia crystalline solid in sample flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307773.9U CN205642978U (en) | 2016-04-13 | 2016-04-13 | A preprocessing device for filtering ammonia crystalline solid in sample flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205642978U true CN205642978U (en) | 2016-10-12 |
Family
ID=57064978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620307773.9U Active CN205642978U (en) | 2016-04-13 | 2016-04-13 | A preprocessing device for filtering ammonia crystalline solid in sample flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205642978U (en) |
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2016
- 2016-04-13 CN CN201620307773.9U patent/CN205642978U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |