CN206132440U - But portable isokinetic sample of pulverized coal device of push -and -pull - Google Patents
But portable isokinetic sample of pulverized coal device of push -and -pull Download PDFInfo
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- CN206132440U CN206132440U CN201621186133.3U CN201621186133U CN206132440U CN 206132440 U CN206132440 U CN 206132440U CN 201621186133 U CN201621186133 U CN 201621186133U CN 206132440 U CN206132440 U CN 206132440U
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- China
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- sampling
- push
- pull
- thermocouple sensor
- aluminum alloy
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Abstract
The utility model relates to a but portable isokinetic sample of pulverized coal device of push -and -pull, sampling gun embed electric tracing heater wire, thermocouple sensor A, but differential pressure gauge, vacuum pump, sack, aluminum alloy hot plate, thermocouple sensor B, circuit control system have been put to the portable meter incasement of push -and -pull, state the sampling gun and connect the aluminum alloy hot plate through two tube couplings and the sack that connects, sack, be equipped with thermocouple sensor B on the aluminum alloy hot plate, the circuit control system connects electric tracing heater wire, thermocouple sensor A, aluminum alloy hot plate, thermocouple sensor B respectively for realize the constant speed sampling of buggy, obtain coal fineness's test data, the circuit control system is equipped with time -recorder, temperature controller for the temperature and the calculation sampling time of regulation and control sampling gun and portable meter incasement. The utility model discloses in the use, have portable, no mechanical driving part, simple structure is reliable, operates simple and direct, safety, advantages such as easy to maintain.
Description
Technical field
This utility model is related to a kind of coal fines sampling apparatus, specifically, be one kind can push-and-pull portable coal powder constant speed take
Sampling device.
Background technology
Coal powder density and fineness of pulverized coal are the important parameters of coal-fired station's firing optimization, the safety economy to boiler
Operation has significant impact.The change of fineness of pulverized coal is grasped at any time, is that operations staff carries out in time boiler combustion and pulverized coal preparation system
Adjustment, optimization burning, improve Boiler Economical Operation important evidence.For the coal dust for making boilers of power plants qualified, obtain
Higher efficiency of combustion, makes boiler run in the state of safety, economy, it is necessary to periodically sampling detection is carried out to fineness of pulverized coal.
The difficult problem of boiler of power plant technical staff is always perplexed in coal dust sampling in unit pulverized-coal system.In blowing powder producing
In system, system is in operation under positive pressure state, to realize that quick, simple and direct, accurate being sampled to coal dust is relatively difficult.
Accordingly, it would be desirable to design a kind of device, make that boiler is normally quick, simple and direct in the state of operation, accurately coal dust is sampled, be
The technical problem of this area urgent need to resolve.
The content of the invention
The purpose of this utility model is exactly to solve the above problems, and offer one kind can push-and-pull portable coal powder isokinetic sampling
Device, the apparatus structure is simple, compact, easy to operate, simple and direct, is capable of achieving isokinetic sampling, and coal dust is representative, is greatly improved
The accuracy of coal dust sampling, obtains the test data of true and reliable coal powder density and fineness of pulverized coal, make boiler burning and
The adjustment of pulverized coal preparation system accomplishes with good grounds, it is to avoid blindly adjust.
For achieving the above object, the utility model proposes technical scheme be：One kind can push-and-pull portable coal powder constant speed take
Sampling device, including the sampling gun with electric tracing function, can push-and-pull Portable instrument box, the built-in electric tracing of the sampling gun adds
Hot line, thermocouple sensor A, it is described can the Portable instrument box of push-and-pull be built-in with differential pressure gauge, vacuum pump, cloth bag, aluminium alloy and add
Hot plate, thermocouple sensor B, circuit control system, described to state the cloth bag that sampling gun connects two and connects by pipeline, cloth bag connects
Aluminum alloy heating plate is connect, aluminum alloy heating plate is provided with thermocouple sensor B, and the circuit control system connects respectively electric tracing
Heater wire, thermocouple sensor A, aluminum alloy heating plate, thermocouple sensor B, for realizing the isokinetic sampling of coal dust, obtain coal
The test data of powder fineness；The circuit control system is provided with timer, temperature controller, for regulating and controlling sampling gun and can push-and-pull
Portable instrument box in temperature and calculate sample time.
The aluminum alloy heating plate connects respectively sampling valve, blow down valve, vacuum pump is connected between sampling valve and blow down valve, very
Empty pump two ends connect respectively air cock A, air cock B, and vacuum pump is also connected with circuit control system.
The cloth bag connects regulating valve.The sampling gun connection differential pressure gauge, Pitot tube.The sampling gun outside is cased with protection
Layer.
This utility model has the advantages that：
1. whole device simple structure, compact volume are little, easy to operate, simple and direct, reliable operation, long service life.
2. by adjusting sampling gun in the position of pulverized coal channel, can be pinpointed or multiple spot isokinetic sample of pulverized coal, then
With reference to the clocking capability of described isokinetic sample of pulverized coal device, it is possible to achieve coal dust timing samples and calculate the concentration of coal dust.
3. the temp. control function of the isokinetic sample of pulverized coal device described in can ensure that sampling gun and instrument box in satisfaction
Operating temperature, prevent the hydrogenesis in breeze airflow, coal dust fouling, so as to cause sampling failure or device to damage.Can be with
Very big raising coal dust sampling efficiency and accuracy rate, and increase the service life.
4. described isokinetic sample of pulverized coal device can be realized by the opening and closing of control sampling valve, blow down valve and air cock
Purging function and sampled functions switching, before and after sampling, described isokinetic sample of pulverized coal device is purged, Ke Yiti
High sampling efficiency and accuracy rate, it is also possible to the service life of extension device.
Description of the drawings
Fig. 1 be it is of the present utility model can push-and-pull portable coal powder constant-speed sampling device structural representation.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described further with embodiment.
As shown in figure 1, one kind can push-and-pull portable coal powder constant-speed sampling device, including with electric tracing function sampling gun
1st, electric tracing heater wire 2, overcoat 3, thermocouple sensor A4, regulating valve 5, cloth bag A6, cloth bag B7, thermocouple sensor B8,
Aluminum alloy heating plate 9, differential pressure gauge 10, sampling valve 11, blow down valve 12, air cock A13, air cock B14, vacuum pump 15, can push-and-pull
Portable instrument box 16, Pitot tube 17.
The built-in electric tracing heater wire 2 of sampling gun 1, thermocouple sensor A4, can the Portable instrument box 16 of push-and-pull be built-in with
Differential pressure gauge 10, vacuum pump 15, cloth bag, aluminum alloy heating plate 9, thermocouple sensor B8, circuit control system, sampling gun 1 passes through
Pipeline connects two and the cloth bag for connecing, and cloth bag connection aluminum alloy heating plate 9, aluminum alloy heating plate 9 is provided with thermocouple sensor
B8, circuit control system connects respectively electric tracing heater wire 2, thermocouple sensor A4, aluminum alloy heating plate 9, thermocouple sensing
Device B8, for realizing the isokinetic sampling of coal dust, obtains the test data of fineness of pulverized coal；The circuit control system is provided with timing
Device, temperature controller, for regulating and controlling the temperature in sampling gun 1 and Portable instrument box 16 and calculating sample time.Aluminium alloy
Heating plate 9 connects respectively sampling valve 11, blow down valve 12, and vacuum pump 15, vacuum pump 15 are connected between sampling valve 11 and blow down valve 12
Two ends connect respectively air cock A 13, air cock B14, and vacuum pump 15 is also connected with circuit control system.Cloth bag B7 connects regulating valve
5.The connection differential pressure gauge 10 of sampling gun 1, Pitot tube 17.The outside of sampling gun 1 is cased with overcoat 3.
Sampling gun 1 with electric tracing function, built-in electric tracing heater wire 2, thermocouple sensor A8, its outside is cased with
Overcoat 3, plays a part of to protect and is incubated；Can push-and-pull Portable instrument box 16, be built-in with differential pressure gauge 10, vacuum pump 15, cloth
Bag A, B6, the circuit control system that 7, aluminum alloy heating plate 9, thermocouple sensor B8, timer and temperature controller are constituted,
With regulation and control sampling gun 1 and can be in the Portable instrument box 16 of push-and-pull temperature and calculate the functions such as sample time.With electricity
The sampling gun 1 of heat tracing function and can push-and-pull Portable instrument box 16, connected by pipeline and electric wire, it contains one
Circuit control system, it is possible to achieve clocking capability and automatic temperature control function：Clocking capability can realize timing sample and
The quality of pc flow velocity of coal pipe local can more accurately be calculated；Automatic temperature control function can ensure that sampling gun 1 and can push away
The Portable instrument box 16 of drawing prevents hydrogenesis in breeze airflow in satisfied operating temperature.The constant speed for realizing coal dust takes
Sample, obtains the test data of true and reliable fineness of pulverized coal.
Using cloth bag as catcher, good separating effect, sampling precision is high, and cloth bag is easily changed, and is easy to safeguard, and
The purging of described isokinetic sample of pulverized coal device can be realized by controlling the opening and closing of sampling valve 11, blow down valve 12 and air cock
The switching of function and sampled functions.
Sampling gun 1 with electric tracing function, speed measuring function and isokinetic sampling's function is by isostatic pressed sampling gun, electric tracing
Heater wire, thermocouple sensor and overcoat are constituted, and by the temperature control of the circuit system of instrument box, will can be sampled
The temperature adjusting of rifle prevents hydrogenesis, the coal dust fouling and clogging pipeline in breeze airflow in satisfied operating temperature, causes to take
The consequence such as sample result is inaccurate or sampling gun is damaged, realizes coal dust constant speed, accurately sampling.
Sampling gun 1 with electric tracing function, speed measuring function and isokinetic sampling's function can be measured by Pitot tube 17
The quality of the speed of breeze airflow, the sample time read in conjunction with sampling gun caliber, timer and sampling coal dust, foundation
Formula can calculate coal powder density with accurate.
Can push-and-pull Portable instrument box 16 by aluminium alloy box, differential pressure gauge, vacuum pump, cloth bag, heating plate, thermocouple sensing
The compositions such as circuit control system that device, timer and temperature controller are constituted, aluminum alloy heating plate, thermocouple sensor and
Temperature controller can ensure that and be in instrument box in work process dry environment, prevents from condensing and causing the infringement of equipment.
Described isokinetic sample of pulverized coal device can be realized by controlling the opening and closing of sampling valve, blow down valve and air cock
The switching of purging function and sampled functions, before and after sampling, purges to described isokinetic sample of pulverized coal device, can improve
Sampling efficiency and accuracy rate, it is also possible to the service life of extension device.
During this utility model portable coal powder sampler use, during sampling, breeze airflow is inhaled into sampling gun 1,
Subsequently, coal dust is captured in cloth bag A6, and weary gas is discharged through sampling valve 11, vacuum pump 15 by air cock B14；It is empty during purging
Gas is through air cock A13, vacuum pump compression, then carries out purging cleaning to instrument box 16 and sampling gun 1 by blow down valve 12.
Before sampling, sampling gun and instrument box are heated respectively to the operating temperature for setting by temperature control system, while
Air cock A13 and blow down valve 12 are opened, starts vacuum pump, instrument box 16 and sampling gun 1 are purged, after purging is finished, closed
Air cock A13 and blow down valve 12 are closed, start sampling, open air cock B14 and sampling valve 11, sampling gun is put into into pulverized coal channel,
By adjusting regulating valve 5, make the pointer of differential pressure gauge 13 stable at zero graduation line, overregulate sampling gun 1 in the position of pulverized coal channel
Put, can be pinpointed or multiple spot isokinetic sample of pulverized coal, in conjunction with the clocking capability of described isokinetic sample of pulverized coal device, can
To realize that coal dust timing is sampled.After sampling terminates, from cloth bag A6, coal dust is taken out, close air cock B14 and sampling valve 11, opened
Air cock A13 and blow down valve 12, start vacuum pump, and instrument box 16 and sampling gun 1 are purged, and after purging is finished, close electricity
Source, and the coal dust of taking-up is weighed and sieved, complete once complete coal dust sampling work.
Claims (5)
1. one kind can push-and-pull portable coal powder constant-speed sampling device, including the sampling gun (1) with electric tracing function, can push-and-pull
Portable instrument box (16), it is characterised in that：The built-in electric tracing heater wire (2) of the sampling gun (1), thermocouple sensor A
(4), it is described can the Portable instrument box (16) of push-and-pull be built-in with differential pressure gauge (10), vacuum pump (15), cloth bag, aluminum alloy heating plate
(9), thermocouple sensor B (8), circuit control system, the sampling gun (1) connects two and the cloth bag for connecing, cloth by pipeline
Bag connection aluminum alloy heating plate (9), aluminum alloy heating plate (9) is provided with thermocouple sensor B (8), the circuit control system
Connect electric tracing heater wire (2), thermocouple sensor A (4), aluminum alloy heating plate (9), thermocouple sensor B (8) respectively, use
In the isokinetic sampling for realizing coal dust, the test data of fineness of pulverized coal is obtained；The circuit control system is provided with timer, temperature control
Device processed, for regulate and control sampling gun (1) and can be in the Portable instrument box (16) of push-and-pull temperature and calculate sample time.
2. according to claim 1 can push-and-pull portable coal powder constant-speed sampling device, it is characterised in that：The aluminium alloy adds
Hot plate (9) connects respectively sampling valve (11), blow down valve (12), and between sampling valve (11) and blow down valve (12) vacuum pump is connected
(15), vacuum pump (15) two ends connect respectively air cock A (13), air cock B (14), and vacuum pump (15) is also connected with circuit control
System.
3. according to claim 1 can push-and-pull portable coal powder constant-speed sampling device, it is characterised in that：The cloth bag connection
Regulating valve (5).
4. according to claim 1 can push-and-pull portable coal powder constant-speed sampling device, it is characterised in that：The sampling gun
(1) differential pressure gauge (10), Pitot tube (17) are connected.
5. according to claim 1-4 it is arbitrary it is described can push-and-pull portable coal powder constant-speed sampling device, it is characterised in that：It is described to take
Sample rifle (1) outside is cased with overcoat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621186133.3U CN206132440U (en) | 2016-10-28 | 2016-10-28 | But portable isokinetic sample of pulverized coal device of push -and -pull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621186133.3U CN206132440U (en) | 2016-10-28 | 2016-10-28 | But portable isokinetic sample of pulverized coal device of push -and -pull |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206132440U true CN206132440U (en) | 2017-04-26 |
Family
ID=58576915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621186133.3U Expired - Fee Related CN206132440U (en) | 2016-10-28 | 2016-10-28 | But portable isokinetic sample of pulverized coal device of push -and -pull |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206132440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442008A (en) * | 2016-10-28 | 2017-02-22 | 上海电力学院 | Push-pull portable constant speed pulverized coal sampling device |
-
2016
- 2016-10-28 CN CN201621186133.3U patent/CN206132440U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442008A (en) * | 2016-10-28 | 2017-02-22 | 上海电力学院 | Push-pull portable constant speed pulverized coal sampling device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20211028 |
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| CF01 | Termination of patent right due to non-payment of annual fee |