CN208350446U - A kind of power boiler breeze constant-speed sampling device - Google Patents
A kind of power boiler breeze constant-speed sampling device Download PDFInfo
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- CN208350446U CN208350446U CN201820992557.1U CN201820992557U CN208350446U CN 208350446 U CN208350446 U CN 208350446U CN 201820992557 U CN201820992557 U CN 201820992557U CN 208350446 U CN208350446 U CN 208350446U
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Abstract
The utility model relates to a kind of power boiler breeze constant-speed sampling devices, belong to coal dust sampling technique field.The utility model includes pulverized coal channel, it emanates pipe, purge valve, it emanates air ejector, pressure regulator valve, compressed air valve, separator, sampler, sampling valve, probe tube, main sampling head, secondary sampling head, gear, miniature motor and tooth socket, emanate one end of pipe is connected to pulverized coal channel, it emanates the other end of pipe, pressure regulator valve and separator are connected to air ejector of emanating, purge valve, which is mounted on, emanates on pipe, pressure regulator valve is connected to compressed air valve, sampler is mounted on separator, one end of probe tube is connected to separator, the other end of probe tube is connected to main sampling head, sampling valve is mounted on probe tube, main sampling head is mounted on pulverized coal channel, secondary sampling head and miniature motor are installed on main sampling head, tooth socket is arranged on secondary sampling head, gear is mounted on miniature motor, gear is engaged with tooth socket.Improve the working performance of whole device.
Description
Technical field
The utility model relates to a kind of power boiler breeze constant-speed sampling devices, belong to coal dust sampling technique field.
Background technique
During the work time, fuel usually will use coal dust to station boiler, in order to guarantee the working efficiency of station boiler,
It usually may require that and inspection work be sampled to coal dust, but due to the particularity of coal dust transmission, cause coal dust in sampling process
In be easy to appear some large errors, and then be difficult to ensure the accuracy of sampling result, also just reduce the use of sampler
Value, so we have proposed a kind of power boiler breeze constant-speed sampling device, in order to solve the problems, such as to propose among the above.
In view of this, disclosing a kind of coal dust sampling lack of gas time in the patent document application No. is 201010596517.3
Receiving apparatus belongs to Dual-Phrase Distribution of Gas olid isokinetic sampling's system, the breeze airflow especially suitable for station boiler unit pulverized-coal system
The recycling of isokinetic sampling's system lack of gas.Quick coupling one end is connect with shutoff valve by sampler discharge pipe；It is discharged in sampler
Emptying bypass duct is equipped in pipe；The quick coupling other end is successively connected with reverse stop valve and boiler furnace negative pressuren zone by fairlead
It connects.Above-mentioned documents are there are sampling result inaccuracy, the disadvantages such as working efficiency is low.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction
The power boiler breeze constant-speed sampling device of reason.
The technical scheme in the invention for solving the above technical problem is: the power boiler breeze constant-speed sampling device,
Its design feature is: including pulverized coal channel, pipe of emanating, purge valve, air ejector of emanating, pressure regulator valve, compressed air valve, separation
Device, sampler, sampling valve, probe tube, main sampling head, secondary sampling head, gear, miniature motor and tooth socket, the one of the pipe of emanating
End is connected to pulverized coal channel, and the other end, pressure regulator valve and the separator of the pipe of emanating are connected to air ejector of emanating, the air blowing
Valve, which is mounted on, emanates on pipe, and the pressure regulator valve is connected to compressed air valve, and the sampler is mounted on separator, the sampling
One end of pipe is connected to separator, and the other end of the probe tube is connected to main sampling head, and the sampling valve is mounted on probe tube
On, the main sampling head is mounted on pulverized coal channel, and the pair sampling head and miniature motor are installed on main sampling head, described
Tooth socket is arranged on secondary sampling head, and the gear is mounted on miniature motor, and the gear is engaged with tooth socket.Improve entire dress
The working performance set.
Further, pipe and the main sampling head of emanating is welded with pulverized coal channel, and the shape of the pulverized coal channel is circle
Pulverized coal channel is arranged in diametrically in cylindricality, the main sampling head.It can guarantee the stable on pulverized coal channel of whole device
Working condition also ensures the working effect of main sampling head.
Further, described to emanate air ejector and probe tube is fixed with separator, the sampler passes through with separator
It is threadedly coupled.It can guarantee the stable working effect of separator, also improve the sampling efficiency of device.
Further, the quantity of the secondary sampling head is two groups, and two groups of pair sampling heads are separately mounted to main sampling head
Two sides, two groups of pair sampling heads are centrosymmetric setting about main sampling head, and one end of two groups of pair sampling heads is embedding
In main sampling head.The working effect that ensure that secondary sampling head also improves security performance of the secondary sampling head when not working, together
When also reduce secondary sampling head to coal dust transportation work stablize adverse effect.
Further, one end of the secondary sampling head is mounted on the middle part of main sampling head, the length etc. of the pair sampling head
Maximum distance between the inner wall and main sampling head of pulverized coal channel is machine between one end and main sampling head of the pair sampling head
Tool is tightly connected.The allround fastness that can guarantee secondary sampling head working range also ensures that the safety of coal dust sampling carries out.
Further, one end of the secondary sampling head is hemispherical configuration, and the tooth socket is arranged on hemispherical configuration.
Further, the secondary sampling head is rotatably installed on main sampling head.
Compared with prior art, the utility model has the advantage that the power boiler breeze constant-speed sampling device is provided with
It emanates air ejector and pressure regulator valve, can effectively control coal dust sampling rate, guarantee that coal dust rate reaches with coal dust delivery rate
Unanimously, the accuracy of device sampling result is improved, to promote the use value of whole device, also ensures the work of separator
Make performance, improve the working efficiency of separator, is internally provided with main sampling head in pulverized coal channel, ensure that device is normal
Sampling work is additionally provided with secondary sampling head on main sampling head, can be carried out by inside of the secondary sampling head to pulverized coal channel complete
Face sampling work, and then the error of device sampling work is reduced, the accuracy of sampling result is improved, to improve entire
The service performance of device is additionally provided with gear, miniature motor and tooth socket between main sampling head and secondary sampling head, can both guarantee
Stable connection status between main sampling head and secondary sampling head, but can the working condition to secondary sampling head efficiently controlled
Work is adjusted, to improve the working performance of whole device.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the power boiler breeze constant-speed sampling device of the utility model embodiment.
Fig. 2 is the schematic diagram of internal structure of the pulverized coal channel of the utility model embodiment.
Fig. 3 is the side elevational cross-section structural schematic diagram of the main sampling head of the utility model embodiment.
Fig. 4 is the main view the schematic diagram of the section structure of the main sampling head of the utility model embodiment.
In figure: 1- pulverized coal channel；2- emanates pipe；3- purge valve；4- emanates air ejector；5- pressure regulator valve；6- compressed air valve；
7- separator；8- sampler；9- sampling valve；10- probe tube；11- main sampling head；12- pair sampling head；13- gear；14- is small-sized
Motor；15- tooth socket.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
Referring to FIG. 1 to FIG. 4, it should however be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc. are only used
To cooperate the revealed content of specification, so that those skilled in the art understands and reads, it is practical new to be not limited to this
The enforceable qualifications of type, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjustment it is practical new should all still to fall in this in the case where not influencing the effect of the utility model can be generated and the purpose that can reach
In the range of the revealed technology contents of type can be covered.Meanwhile if in this specification with reference as "upper", "lower", " left side ",
The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model
Range, relativeness are altered or modified, under the content of no substantial changes in technology, enforceable when being also considered as the utility model
Scope.
Power boiler breeze constant-speed sampling device in the present embodiment, including pulverized coal channel 1, pipe 2 of emanating, purge valve 3, penetrate
Gas air ejector 4, pressure regulator valve 5, compressed air valve 6, separator 7, sampler 8, sampling valve 9, probe tube 10, main sampling head 11, pair
One end of sampling head 12, gear 13, miniature motor 14 and tooth socket 15, pipe 2 of emanating is connected to pulverized coal channel 1, and emanate the another of pipe 2
End, pressure regulator valve 5 and separator 7 are connected to air ejector 4 of emanating, and purge valve 3, which is mounted on, emanates on pipe 2, and pressure regulator valve 5 and compression are empty
Air valve 6 is connected to, and sampler 8 is mounted on separator 7, and one end of probe tube 10 is connected to separator 7, the other end of probe tube 10
It is connected to main sampling head 11, sampling valve 9 is mounted on probe tube 10, and main sampling head 11 is mounted on pulverized coal channel 1, secondary sampling head
12 and miniature motor 14 be installed on main sampling head 11, tooth socket 15 be arranged on secondary sampling head 12, gear 13 is mounted on small-sized
On motor 14, gear 13 is engaged with tooth socket 15.
Emanate pipe 2 and main sampling head 11 in the present embodiment are welded with pulverized coal channel 1, and the shape of pulverized coal channel 1 is circle
Pulverized coal channel 1 is arranged in diametrically in cylindricality, main sampling head 11；Emanate air ejector 4 and probe tube 10 is fixed with separator 7,
Sampler 8 is connected through a screw thread with separator 7；The quantity of secondary sampling head 12 is two groups, and two groups of pair sampling heads 12 are separately mounted to
The two sides of main sampling head 11, two groups of pair sampling heads 12 are centrosymmetric setting about main sampling head 11, two groups of pair sampling heads 12
One end is embedded in main sampling head 11；One end of secondary sampling head 12 is mounted on the middle part of main sampling head 11, the length of secondary sampling head 12
Degree is equal to the maximum distance between the inner wall and main sampling head 11 of pulverized coal channel 1, one end of secondary sampling head 12 and main sampling head 11
Between be mechanical connection；One end of secondary sampling head 12 is hemispherical configuration, and tooth socket 15 is arranged on hemispherical configuration；Pair takes
Sample head 12 is rotatably installed on main sampling head 11.
The sampling method of power boiler breeze constant-speed sampling device in the present embodiment, it is as follows: to be first turned on compressed air
Valve 6 is passed into compressed air inside pressure regulator valve 5, and the air pressure of compressed air is adjusted under the action of pressure regulator valve 5, into
And again by compressed air delivery to emanate 4 inside of air ejector while, open purge valve 3 and sampling valve 9, air ejector 4 of emanating will
Pressure regulator valve 5 conveys the compressed air that comes and is injected inside pulverized coal channel 1 by pipe 2 of emanating, emanate in the process air ejector 4 with
The junction of separator 7 is in negative pressure state, and then air ejector 4 of emanating extracts the air inside separator 7, and then in main sampling
Under the action of first 11, the coal dust of 1 delivered inside of pulverized coal channel is sampled, moreover, being adjusted under the action of emanating air ejector 4
Delivery rate of the coal saving powder inside probe tube 10 is allowed to consistent with the transfer efficiency of 1 inside coal dust of pulverized coal channel, guarantees coal dust
The accuracy of sampling, and the coal dust inside probe tube 10 carries out solid gas separation under the action of separator 7 rests on coal dust point
Inside sampler 8 from 7 lower end of device, while main sampling head 11 works, miniature motor 14 drives secondary sampling by gear 13
First 12 rotation or reciprocally swinging, and then comprehensive sampling work is carried out to cross section to pulverized coal channel 1 by secondary sampling head 12, with
The accuracy for guaranteeing sampling result, is the sampling method of the power boiler breeze constant-speed sampling device above.By above stating
It is bright to have implemented to those skilled in the art, and air ejector 4 of emanating, separator 7 and sampler 8 etc., belong to ability
The prior art well known to the professional technician of domain.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different, and above content is only to the utility model structure example explanation described in this specification.
All equivalence changes or simple change done according to structure, feature and principle described in the concept of the patent of the utility model, are wrapped
It includes in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to described
Specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the knot of the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (7)
1. a kind of power boiler breeze constant-speed sampling device, it is characterised in that: including pulverized coal channel, pipe of emanating, purge valve, emanate
Air ejector, pressure regulator valve, compressed air valve, separator, sampler, sampling valve, probe tube, main sampling head, secondary sampling head, gear,
One end of miniature motor and tooth socket, the pipe of emanating is connected to pulverized coal channel, the other end, pressure regulator valve and the separation of the pipe of emanating
Device is connected to air ejector of emanating, and the purge valve, which is mounted on, emanates on pipe, and the pressure regulator valve is connected to compressed air valve, described
Sampler is mounted on separator, and one end of the probe tube is connected to separator, the other end and main sampling of the probe tube
Head connection, the sampling valve is mounted on probe tube, and the main sampling head is mounted on pulverized coal channel, the pair sampling head and small
Type motor is installed on main sampling head, and the tooth socket is arranged on secondary sampling head, and the gear is mounted on miniature motor, institute
Gear is stated to engage with tooth socket.
2. power boiler breeze constant-speed sampling device according to claim 1, it is characterised in that: emanate pipe and the master take
Sample head is welded with pulverized coal channel, and the shape of the pulverized coal channel is cylinder, and pulverized coal channel is arranged in the main sampling head
Diametrically.
3. power boiler breeze constant-speed sampling device according to claim 1, it is characterised in that: it is described emanate air ejector and
Probe tube is fixed with separator, and the sampler is connected through a screw thread with separator.
4. power boiler breeze constant-speed sampling device according to claim 1, it is characterised in that: the number of the pair sampling head
Amount is two groups, and two groups of pair sampling heads are separately mounted to the two sides of main sampling head, and two groups of pair sampling heads are about main sampling
Head is centrosymmetric setting, and one end of two groups of pair sampling heads is embedded in main sampling head.
5. power boiler breeze constant-speed sampling device according to claim 1, it is characterised in that: the one of the pair sampling head
End is mounted on the middle part of main sampling head, and the length of the pair sampling head is equal between the inner wall and main sampling head of pulverized coal channel most
Big distance is mechanical connection between one end and main sampling head of the pair sampling head.
6. power boiler breeze constant-speed sampling device according to claim 1, it is characterised in that: the one of the pair sampling head
End is hemispherical configuration, and the tooth socket is arranged on hemispherical configuration.
7. power boiler breeze constant-speed sampling device according to claim 1, it is characterised in that: the pair sampling head rotation
It is mounted on main sampling head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820992557.1U CN208350446U (en) | 2018-06-26 | 2018-06-26 | A kind of power boiler breeze constant-speed sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820992557.1U CN208350446U (en) | 2018-06-26 | 2018-06-26 | A kind of power boiler breeze constant-speed sampling device |
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| CN208350446U true CN208350446U (en) | 2019-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060432A (en) * | 2018-06-26 | 2018-12-21 | 华电电力科学研究院有限公司 | A kind of power boiler breeze constant-speed sampling device and sampling method |
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2018
- 2018-06-26 CN CN201820992557.1U patent/CN208350446U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060432A (en) * | 2018-06-26 | 2018-12-21 | 华电电力科学研究院有限公司 | A kind of power boiler breeze constant-speed sampling device and sampling method |
| CN109060432B (en) * | 2018-06-26 | 2024-04-09 | 华电电力科学研究院有限公司 | Constant-speed sampling device and sampling method for pulverized coal of power station boiler |
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