CN209559573U - Combined sampling device inside and outside a kind of demister drop flue - Google Patents
Combined sampling device inside and outside a kind of demister drop flue Download PDFInfo
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- CN209559573U CN209559573U CN201821819400.5U CN201821819400U CN209559573U CN 209559573 U CN209559573 U CN 209559573U CN 201821819400 U CN201821819400 U CN 201821819400U CN 209559573 U CN209559573 U CN 209559573U
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Abstract
The utility model discloses combined sampling devices inside and outside a kind of demister drop flue, including flue, second level sampling bottle has been set gradually from left to right on the right side of flue, three-level sampling bottle and level Four sampling bottle, the inner cavity of flue is provided with level-one sampling bottle, Pitot tube is communicated at the top of level-one sampling bottle, the right side output end of level-one sampling bottle is connected by conduit with second level sampling bottle, between second level sampling bottle and three-level sampling bottle, it is connected by conduit between three-level sampling bottle and level Four sampling bottle, the inner cavity top output end of level Four sampling bottle is connected with flowmeter by conduit, the right side output end of flowmeter is connected with sampling pump by conduit, the bottom of flowmeter is connected with pressure gauge and thermometer, and pressure gauge is located at the left side of thermometer, the structure design of the utility model is reasonable, convenient for sufficiently trapping the drop in flue gas, reduce measurement Error improves the accuracy of drop measurement result.
Description
Technical field
The utility model relates to atmosphere pollution minimum discharge the field of test technology, and in particular to a kind of demister drop cigarette
Combined sampling device inside and outside road.
Background technique
National Development and Reform Committee in 2014 issues " coal electricity energy-saving and emission-reduction upgrading and transformation action plan " and requires smoke dust discharge concentration
≤ 10mg/m3, the smoke dust discharge concentration≤5mg/m3 in some importance area.In order to cope with harsh environmental protection policy, each power plant is confused
It is confused to carry out minimum discharge transformation, it is transformed by the way of the Technology of Integrating Desulfurization or increase wet electrical dust precipitator,
A large amount of slurry droplets, solid content about 7.5% can be carried out when flue gas passes through absorption tower.Therefore, it is necessary to the greatest extent may be used using demister
Otherwise the drop carried in energy separating flue not only will affect the normal table operation of unit, also can be to the final solid of system
The discharge of grain object has an impact, and also will cause smoke stack emission " gypsum rain " when serious.The needs of coal unit minimum discharge standard,
Demister exports droplet content and is less than 20mg/m3.Therefore droplet content is of increasing concern in demister exiting flue gas, also urgently
Need to study a kind of more accurate, comprehensive demister performance test methods.
Power plant, China operating unit demister performance test then uses GB/T21508 " coal-fired flue gas desulfurization equipment at present
Can test method " in magnesium ion method measure, the current sampling apparatus of this method not can guarantee the drop in flue gas is abundant
Trapping is got off, and measuring result error is larger, and the accuracy for measuring droplet content reduces, for this purpose, it is proposed that a kind of demister
Combined sampling device inside and outside drop flue.
Utility model content
The purpose of the utility model is to overcome the above-mentioned problems in the prior art, provide a kind of demister drop cigarette
Combined sampling device inside and outside road reduces measurement error convenient for sufficiently trapping the drop in flue gas, improves the standard of drop measurement result
True property.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
Combined sampling device inside and outside a kind of demister drop flue, including flue, the right side of the flue from left to right according to
Secondary to be provided with second level sampling bottle, three-level sampling bottle and level Four sampling bottle, the inner cavity of the flue is provided with level-one sampling bottle, described
The top left side input terminal of level-one sampling bottle is communicated with Pitot tube, and the right side of Pitot tube extends to outside through the right side wall of flue
The right side output end in portion, the level-one sampling bottle is connected by conduit with second level sampling bottle, and level-one sampling bottle is adopted with second level
The right end for the conduit being connected between sample bottle protrudes into the intracavity bottom of second level sampling bottle, the second level sampling bottle and three-level sampling bottle
Between, be connected by conduit between three-level sampling bottle and level Four sampling bottle, the second level sampling bottle and three-level sampling bottle it
Between the left end of conduit that is connected protrude into the inner cavity top of second level sampling bottle, phase between the three-level sampling bottle and level Four sampling bottle
The inner cavity top of three-level sampling bottle is protruded into the left end of the conduit of connection, is connected between the second level sampling bottle and three-level sampling bottle
The right end of conduit protrude into the intracavity bottom of three-level sampling bottle, what is be connected between the three-level sampling bottle and level Four sampling bottle leads
The right end of pipe protrudes into the intracavity bottom of level Four sampling bottle, and the inner cavity top output end of the level Four sampling bottle is connected with by conduit
The right side output end of flowmeter, the flowmeter is connected with sampling pump by conduit, and the bottom of the flowmeter is connected with pressure
Table and thermometer, and pressure gauge is located at the left side of thermometer.
Preferably, above-mentioned to be used for inside and outside demister drop flue in combined sampling device, the inner cavity of the level-one sampling bottle
It is provided with demarcation plate at center, is communicated with spiral coil on the right side of the demarcation plate, horizontal cigarette is reduced by spiral coil
Acquisition drop blows back into flue when road samples.
Preferably, above-mentioned in combined sampling device inside and outside demister drop flue, the second level sampling bottle, three-level to be adopted
The outer wall of sample bottle and level Four sampling bottle is socketed with ice water tank, holds ice water using ice water tank and carries out water-bath condensation, convenient for improving
Liquid droplet capture ability.
Preferably, above-mentioned in combined sampling device inside and outside demister drop flue, the second level sampling bottle, three-level to be adopted
The bottom of sample bottle and level Four sampling bottle is provided with PVC transparent sucker, convenient for adopting second level sampling bottle, three-level sampling bottle and level Four
Sample bottle is separately fixed in three groups of ice water tanks, reduces the buoyancy of cooling water generation to second level sampling bottle, three-level sampling bottle and level Four
The influence of sampling bottle improves condensation effect.
Preferably, above-mentioned in combined sampling device inside and outside demister drop flue, the Pitot tube to be S type skin support
Pipe, the S type Pitot tube include upper gas-guide tube and downtake, and upper gas-guide tube is located at the top of downtake, it is described on lead
It is connected with communicating pipe on the right side of tracheae and downtake, and is provided at the top of communicating pipe identical with the setting of the bottom of flowmeter
The pressure gauge and thermometer of structure, convenient for carrying out the Preliminary detection of pressure and temperature to collected flue gas.
Preferably, above-mentioned in combined sampling device inside and outside demister drop flue, the left side of the upper gas-guide tube into
The left side gas outlet of port and downtake is respectively positioned in vertical plane, and the left side gas outlet of downtake and level-one sampling bottle
Top left side be connected, be conducive to for the flue gas in flue being transported in Pitot tube, convenient for sampling, improve sampling efficiency.
Preferably, above-mentioned to be used for the upper gas-guide tube and lower air guide inside and outside demister drop flue in combined sampling device
The length of pipe is 4-5 times for being connected to length of tube, convenient for accurately measuring the flue gas flow rate in communicating pipe, is further adopted convenient for constant speed
Sample.
Compared with prior art, the beneficial effects of the utility model are as follows:
The structure design of the utility model is reasonable, on the one hand the spiral coil anti-backflow knot by being arranged in level-one sampling bottle
A possibility that structure, acquisition drop is blowed back into flue when effectively reducing horizontal flue sampling, is sampled by second level sampling bottle, three-level
Bottle and level Four sampling bottle carry out three-level sampling, hold ice water by ice water tank, carry out water-bath condensation, convenient in sufficiently trapping flue gas
Drop, reduce measurement error adopted on the other hand by the S type Pitot tube being arranged at sampled point using isokinetic sampling's method
Collection, substantially reduces fluid drop rate, improves the accuracy of drop measurement result, by second level sampling bottle, three-level sampling bottle and
It is all made of upward air-discharging method in level Four sampling bottle, flows into second level sampling bottle, three-level sampling bottle and level Four sampling bottle
Flue gas is delivered up under, convenient for the condensation to the drop in flue gas, improves condensation effect, structure is simple, easy to operate.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the using state structure diagram of the utility model；
Fig. 2 is the second level sampling bottle of the utility model and the attachment structure schematic diagram of ice water tank；
In attached drawing, parts list represented by the reference numerals are as follows:
1- level-one sampling bottle, 2- second level sampling bottle, 3- three-level sampling bottle, 4- pressure gauge, 5- thermometer, 6- flowmeter, 7-
Pitot tube, the upper gas-guide tube of 701-, 702- downtake, 703- communicating pipe, 8- sampling pump, 9- level Four sampling bottle, 10- ice water tank,
11- flue.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-2, combined sampling device inside and outside a kind of demister drop flue, including flue 11, flue 11
Right side be set gradually from left to right second level sampling bottle 2, three-level sampling bottle 3 and level Four sampling bottle 9, second level sampling bottle 2, three-level
The outer wall of sampling bottle 3 and level Four sampling bottle 9 is socketed with ice water tank 10, holds ice water using ice water tank 10 and carries out water-bath condensation,
Convenient for improving liquid droplet capture ability, it is saturating that the bottom of second level sampling bottle 2, three-level sampling bottle 3 and level Four sampling bottle 9 is provided with PVC
Bright sucker subtracts convenient for second level sampling bottle 2, three-level sampling bottle 3 and level Four sampling bottle 9 to be separately fixed in three groups of ice water tanks 10
Influence of the buoyancy that few cooling water generates to second level sampling bottle 2, three-level sampling bottle 3 and level Four sampling bottle 9, improves condensation effect,
The inner cavity of flue 11 is provided with level-one sampling bottle 1, and demarcation plate, the right side of demarcation plate are provided at the lumen centers of level-one sampling bottle 1
Side is communicated with spiral coil, is blowed back into flue 11 by spiral coil convenient for reducing acquisition drop when horizontal flue 11 samples,
The top left side input terminal of level-one sampling bottle 1 is communicated with Pitot tube 7, and the right side of Pitot tube 7 is prolonged through the right side wall of flue 11
Reach outside, Pitot tube 7 is S type Pitot tube, and S type Pitot tube includes upper gas-guide tube 701 and downtake 702, and upper gas-guide tube
701 are located at the top of downtake 702, and the right side of upper gas-guide tube 701 and downtake 702 is connected with communicating pipe 703, upper air guide
The left side air inlet of pipe 701 and the left side gas outlet of downtake 702 are respectively positioned in vertical plane, and a left side for downtake 702
Side gas outlet is connected with the top left side of level-one sampling bottle 1, is conducive to for the flue gas in flue being transported in Pitot tube, be convenient for
Sampling, improves sampling efficiency, and the length of upper gas-guide tube 701 and downtake 702 is communicating pipe 4-5 times of 703 length, is convenient for
Flue gas flow rate in accurate measurement communicating pipe 703 is further convenient for isokinetic sampling, and the right side output end of level-one sampling bottle 1 is by leading
The right end for managing the conduit for being connected with second level sampling bottle 2, and being connected between level-one sampling bottle 1 and second level sampling bottle 2 protrudes into two
The intracavity bottom of grade sampling bottle 2, between second level sampling bottle 2 and three-level sampling bottle 3, between three-level sampling bottle 3 and level Four sampling bottle 9
It is connected by conduit, second level sampling bottle is protruded into the left end for the conduit being connected between second level sampling bottle 2 and three-level sampling bottle 3
The interior of three-level sampling bottle 3 is protruded into 2 inner cavity top, the left end for the conduit being connected between three-level sampling bottle 3 and level Four sampling bottle 9
Top of chamber, the right end for the conduit being connected between second level sampling bottle 2 and three-level sampling bottle 3 protrude into the interior bottom of chamber of three-level sampling bottle 3
Portion, the right end for the conduit being connected between three-level sampling bottle 3 and level Four sampling bottle 9 protrude into the intracavity bottom of level Four sampling bottle 9, and four
The inner cavity top output end of grade sampling bottle 9 is connected with flowmeter 6 by conduit, and the right side output end of flowmeter 6 is connected by conduit
It is connected to sampling pump 8, the bottom and the top of communicating pipe 703 of flowmeter 6 are respectively connected with pressure gauge 4 and thermometer 5, and pressure gauge 4
Positioned at the left side of thermometer 5, convenient for carrying out the detection of pressure and temperature to collected flue gas.
One concrete application of the present embodiment are as follows: the structure design of the utility model is reasonable, by by level-one sampling bottle 1 and skin
Trustship 7 is connected, and level-one sampling bottle 1, second level sampling bottle 2, three-level sampling bottle 3 are connected with level Four sampling bottle 9 by conduit,
Top output port by conduit in level Four sampling bottle 9 connects flowmeter 6 and sampling pump 8, by connecting one group on Pitot tube 7
Pressure gauge 4 and thermometer 5, by connecting another group of pressure gauge 4 and thermometer 5 on flowmeter 6, after the completion of connection, pass through by
Level-one sampling bottle 1 and Pitot tube 7 protrude into flue 11, while passing through flow of flue gas in the sampling mouth and flue 11 on Pitot tube 7
Direction is mutually perpendicular to, and is measured by starting sampling pump 8, is passed through the spiral coil anti-backflow knot being arranged in level-one sampling bottle 1
Structure effectively reduces a possibility that acquisition drop is blowed back into flue 11 when horizontal flue 11 samples, passes through second level sampling bottle 2, three
Grade sampling bottle 3 and level Four sampling bottle 9 carry out three-level sampling, hold ice water by ice water tank 10, carry out water-bath condensation, convenient for abundant
The drop in flue gas is trapped, measurement error is reduced, by the S type Pitot tube 7 being arranged at sampled point, is carried out using isokinetic sampling's method
Acquisition substantially reduces fluid drop rate, the accuracy of drop measurement result is improved, by second level sampling bottle 2, three-level sampling bottle
3 and level Four sampling bottle 9 in be all made of upward air-discharging method, flow into second level sampling bottle 2, three-level sampling bottle 3 and level Four sampling
Flue gas in bottle 9 is delivered up under, convenient for the condensation to the drop in flue gas, improves condensation effect, and structure is simple, operation
It is convenient.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (7)
1. combined sampling device inside and outside a kind of demister drop flue, including flue (11), it is characterised in that: the flue (11)
Right side be set gradually from left to right second level sampling bottle (2), three-level sampling bottle (3) and level Four sampling bottle (9), the flue
(11) inner cavity is provided with level-one sampling bottle (1), and the top left side input terminal of the level-one sampling bottle (1) is communicated with Pitot tube
(7), and right side wall of the right side of Pitot tube (7) through flue (11) extends to outside, and the right side of the level-one sampling bottle (1) is defeated
Outlet is connected by conduit with second level sampling bottle (2), and be connected between level-one sampling bottle (1) and second level sampling bottle (2)
The right end of conduit protrudes into the intracavity bottom of second level sampling bottle (2), between the second level sampling bottle (2) and three-level sampling bottle (3), three
It is connected by conduit between grade sampling bottle (3) and level Four sampling bottle (9), the second level sampling bottle (2) and three-level sampling bottle
(3) inner cavity top of second level sampling bottle (2), the three-level sampling bottle (3) and level Four are protruded into the left end for the conduit being connected between
The inner cavity top of three-level sampling bottle (3), the second level sampling bottle (2) are protruded into the left end for the conduit being connected between sampling bottle (9)
The right end for the conduit being connected between three-level sampling bottle (3) protrudes into the intracavity bottom of three-level sampling bottle (3), the three-level sampling
The right end of conduit being connected between bottle (3) and level Four sampling bottle (9) protrudes into the intracavity bottom of level Four sampling bottle (9), and described four
The inner cavity top output end of grade sampling bottle (9) is connected with flowmeter (6) by conduit, the right side output end of the flowmeter (6)
It is connected with sampling pump (8) by conduit, the bottom of the flowmeter (6) is connected with pressure gauge (4) and thermometer (5), and pressure
Table (4) is located at the left side of thermometer (5).
2. combined sampling device inside and outside a kind of demister drop flue according to claim 1, it is characterised in that: described one
It is provided with demarcation plate at the lumen centers of grade sampling bottle (1), is communicated with spiral coil on the right side of the demarcation plate.
3. combined sampling device inside and outside a kind of demister drop flue according to claim 1, it is characterised in that: described two
The outer wall of grade sampling bottle (2), three-level sampling bottle (3) and level Four sampling bottle (9) is socketed with ice water tank (10).
4. combined sampling device inside and outside a kind of demister drop flue according to claim 1, it is characterised in that: described two
The bottom of grade sampling bottle (2), three-level sampling bottle (3) and level Four sampling bottle (9) is provided with PVC transparent sucker.
5. combined sampling device inside and outside a kind of demister drop flue according to claim 1, it is characterised in that: the skin
Trustship (7) is S type Pitot tube, and the S type Pitot tube includes upper gas-guide tube (701) and downtake (702), and upper gas-guide tube
(701) it is located at the top of downtake (702), is connected with and is connected on the right side of the upper gas-guide tube (701) and downtake (702)
Manage (703), and be provided at the top of communicating pipe (703) with the bottom of flowmeter (6) be arranged mutually isostructural pressure gauge (4) and
Thermometer (5).
6. combined sampling device inside and outside a kind of demister drop flue according to claim 5, it is characterised in that: on described
The left side air inlet of gas-guide tube (701) and the left side gas outlet of downtake (702) are respectively positioned in vertical plane, and downtake
(702) left side gas outlet is connected with the top left side of level-one sampling bottle (1).
7. combined sampling device inside and outside a kind of demister drop flue according to claim 5, it is characterised in that: on described
The length of gas-guide tube (701) and downtake (702) is 4-5 times of communicating pipe (703) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821819400.5U CN209559573U (en) | 2018-11-06 | 2018-11-06 | Combined sampling device inside and outside a kind of demister drop flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821819400.5U CN209559573U (en) | 2018-11-06 | 2018-11-06 | Combined sampling device inside and outside a kind of demister drop flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209559573U true CN209559573U (en) | 2019-10-29 |
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ID=68300523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821819400.5U Expired - Fee Related CN209559573U (en) | 2018-11-06 | 2018-11-06 | Combined sampling device inside and outside a kind of demister drop flue |
Country Status (1)
| Country | Link |
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| CN (1) | CN209559573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421045A (en) * | 2017-07-24 | 2017-12-01 | 佛山市金星徽电器有限公司 | A kind of upper water-adding humidifier |
-
2018
- 2018-11-06 CN CN201821819400.5U patent/CN209559573U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421045A (en) * | 2017-07-24 | 2017-12-01 | 佛山市金星徽电器有限公司 | A kind of upper water-adding humidifier |
| CN107421045B (en) * | 2017-07-24 | 2021-01-15 | 佛山市金星徽电器有限公司 | Upper water-adding type humidifier |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191029 Termination date: 20201106 |