CN210893830U - Telescopic flying dust sampling device of coal fired boiler vertical flue - Google Patents
Telescopic flying dust sampling device of coal fired boiler vertical flue Download PDFInfo
- Publication number
- CN210893830U CN210893830U CN201921238051.2U CN201921238051U CN210893830U CN 210893830 U CN210893830 U CN 210893830U CN 201921238051 U CN201921238051 U CN 201921238051U CN 210893830 U CN210893830 U CN 210893830U
- Authority
- CN
- China
- Prior art keywords
- sampling
- separator
- door
- isolation door
- telescopic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a coal-fired boiler vertical flue telescopic fly ash sampling device, which comprises a first sealing device, a sampling gun, a sleeve, a bracket, a second-stage separator, a first-stage separator, a separator isolation door and a second sealing device; the utility model discloses a sampling device, including first sealing device, sampling isolation door, sampling gun, one end of first sealing device, the one side of sampling isolation door is installed the sampling isolation door, and the sampling gun is installed to one side of sampling isolation door, a terminal welding handle of sampling gun, the flexible pipe of guntail connection of sampling gun, the flexible pipe of one-level separator entry is connected through separator isolation door, the exit linkage second grade separator of one-level separator, and the export of second grade separator entry linkage first grade separator, installs compressed air isolation door on the compressed air pipe, the hot-blast main is installed to compressed air pipe's bottom, installs hot-blast. The utility model discloses an exhaust hole is arranged in the thief hole below, has reduced the disturbance of exhaust air current to the upper reaches sample.
Description
Technical Field
The utility model relates to a coal fired boiler application technology field specifically is a telescopic flying dust sampling device of coal fired boiler vertical flue.
Background
The fly ash is a product of pulverized coal after combustion in a boiler, is in a fine particle shape, and is a main component of flue gas. The physical and chemical analysis of the carbon content, the particle size, the element components, the material composition and the like of the fly ash has important significance for combustion adjustment, flue corrosion prevention, dust removal design and environmental protection, so that the fly ash is required to be sampled and monitored regularly during normal operation of a unit, the combustion working condition is convenient to adjust in time, and the fly ash is required to be sampled and analyzed during a boiler test so as to provide accurate data for boiler performance calculation. The fly ash is analyzed on the premise of sampling and collecting the fly ash, and a fly ash sampling device is usually arranged at a vertical flue pipe section at the inlet of an air preheater, and the fly ash sampling device has many different types, so that the sampled fly ash has different test results.
The existing equipment has the following defects that 1, the static pressure in the muzzle of a sampling gun is not equal to the static pressure of smoke outside the muzzle, so that constant-speed sampling cannot be realized, and the sampling accuracy is low; 2. sampling is only carried out at a certain point of a fixed section in the flue, full-section multipoint sampling is not realized, and sampling representativeness is poor; 3. the exhaust gas discharged by the separation device also contains a small amount of fly ash, so that the sampling efficiency is low; 4. high-temperature steam in the flue gas is easy to condense on the pipe wall of a cooler section, so that fly ash particles are attached to the pipe wall, the sampling pipe is blocked finally, and the sampling reliability is low; 5. residual fly ash particles in the sampling device are not cleaned after sampling is finished, so that the next sampling sample contains residual fly ash, and the sampling authenticity is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a telescopic flying dust sampling device of coal fired boiler vertical flue to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a coal-fired boiler vertical flue telescopic fly ash sampling device comprises a first sealing device, a sampling isolation door, a sampling gun, a sleeve, a support, a compressed air isolation door, a secondary separator, a primary separator, a storage tank, a discharge door, a separator isolation door, a telescopic pipe, a scale, an exhaust isolation door and a second sealing device; the sampling device is characterized in that a sampling isolation door is installed on one side of the first sealing device, a sampling gun is installed on one side of the sampling isolation door, a handle is welded at the tail end of the sampling gun, a telescopic pipe is connected with the gun tail of the sampling gun, the sampling gun and the telescopic pipe are installed inside the sleeve, the sleeve is fixedly communicated with a support, a movable handle is installed in a rectangular groove below the sleeve, a fixing nut is installed on the movable handle, a triangular pointer is welded below the movable handle, a scale is installed on the support, an inlet of a primary separator is connected with the telescopic pipe through the separator isolation door, a storage tank is installed below the primary separator, a discharge door is installed at the bottom of the storage tank, a sampling bottle is arranged right below the discharge door, an outlet of the primary separator is connected with a secondary separator, an inlet of the secondary separator is connected with an outlet of the primary separator, and one path of the secondary separator is connected with a venturi ejector through, and the venturi ejector is fixed on compressed air pipe, and the another way export of second grade separator is through sweeping the door and connecting the pipeline that sweeps, installs the compressed air isolating door on the compressed air pipe, hot-blast main is installed to compressed air pipe's bottom, installs hot-blast door and temperature-sensing door on the hot-blast main.
Preferably, the extension tube is made of high-temperature-resistant and corrosion-resistant materials.
Preferably, a triangular support is installed at the bottom of the support.
Preferably, a differential pressure gauge is installed at one side of the bracket.
Preferably, the hot air pipe is provided with an insulation can, and one side of the insulation can is provided with a thermometer.
Preferably, the second sealing device is installed at the joint of the exhaust pipe and the flue, and the second sealing device 27 is installed with an exhaust isolation door.
Compared with the prior art, the beneficial effects of the utility model are that: 1. the sampling gun can do radial telescopic motion along the section of the vertical flue in the chute so as to meet the requirement of sampling at different radial points, the advancing and retreating distance of the sampling gun can be displayed on a scale, and in addition, the sampling gun can be fixed at a specific position, so that the sampling representativeness is good;
2. the internal and external static pressure measuring points are arranged at the muzzle of the sampling gun and are transmitted to the differential pressure gauge, so that the flow rate of compressed air is adjusted, the flow rate of the air pumped at the muzzle can be ensured to be equal to the flow rate of flue gas under any load, the constant-speed sampling is realized, and the sampling accuracy is high;
3. the device has a purging function, and can remove residual fly ash in a sampling pipeline, a collecting device and an exhaust pipeline by operating different valves, so that the situation that a sample sampled next time contains a residual sample at the last time is avoided, and the sampling authenticity is high; meanwhile, the blowing function can also solve the problem of blockage of the fly ash device, and the sampling reliability is high;
4. the device has the functions of preheating and keeping warm, the pipeline can be heated before sampling, and the constant temperature of the heat insulation box is realized in the whole sampling process, so that the heat dissipation of the device can be reduced, the device blockage phenomenon caused by steam condensation in the whole sampling process is avoided, and the sampling reliability is high;
5. the separation device adopts two stages of cyclone separators connected in series, so that the gas-solid separation effect is better, and the sampling accuracy is high; meanwhile, the two separators share one storage tank, a glass observation window is arranged on the storage tank, and sampling is stopped in time when the upper limit of the capacity is reached, so that system overload is avoided, and the sampling reliability is high;
6. the device is fixed on a triangular pulley sliding support and can move integrally, so that sampling at different positions of a flue can be realized, the device can be locked and fixed at a specific position, and the sampling representativeness is good;
7. when the sampling is not carried out, the exhaust pipe, the sampling gun and the flue are thoroughly isolated, so that the possibility of accumulating fly ash in the pipeline is avoided;
8. the exhaust holes are arranged below the sampling holes, so that disturbance of exhaust airflow to upstream sampling is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a first sealing device; 2. a sampling isolation gate; 3. a sampling gun; 4. a sleeve; 5. a differential pressure gauge; 6. a support; 7. a venturi eductor; 8. a compressed air isolation door; 9. a hot air door; 10. a thermometer; 11. a temperature control door; 12. a heat preservation box; 13. a purge gate; 14. an eductor inlet door; 15. a secondary separator; 16. a first stage separator; 17. a storage tank; 18. a discharge door; 19. sampling a bottle; 20. a separator isolation door; 21. a telescopic pipe; 22. a triangular bracket; 23. a grip; 24. fixing a nut; 25. a scale; 26. an exhaust isolation door; 27. and a second sealing device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1, the present invention provides an embodiment: a coal-fired boiler vertical flue telescopic fly ash sampling device comprises a first sealing device 1, a sampling isolation door 2, a sampling gun 3, a sleeve 4, a bracket 6, a compressed air isolation door 8, a secondary separator 15, a primary separator 16, a storage tank 17, a discharge door 18, a separator isolation door 20, an extension pipe 21, a scale 25, an exhaust isolation door 26 and a second sealing device 27; a sampling isolation door 2 is installed on one side of the first sealing device 1, a sampling gun 3 is installed on one side of the sampling isolation door 2, a handle 23 is welded at the tail end of the sampling gun 3, a gun tail of the sampling gun 3 is connected with a telescopic pipe 21, the sampling gun 3 and the telescopic pipe 21 are all installed inside a sleeve pipe 4, the sleeve pipe 4 is fixedly communicated with a support 6, a movable handle 23 is installed in a rectangular groove of an opening below the sleeve pipe 4, a fixing nut 24 is installed on the movable handle 23, a triangular pointer is welded below the movable handle 23, a scale 25 is installed on the support 6, an inlet of a first-stage separator 16 is connected with the telescopic pipe 21 through a separator isolation door 20, a storage tank 17 is installed below the first-stage separator 16, a discharge door 18 is installed at the bottom of the storage tank 17, a sampling bottle 19 is arranged under the discharge door 18, and an outlet of the first-stage separator 16 is connected with, and 15 entry linkage one-level separator 16 exports of second grade separator, and the export of one way of second grade separator 15 is passed through ejector snout 14 and is connected with venturi ejector 7, and venturi ejector 7 fixes on compressed air pipe, and the another way export of second grade separator 15 is connected the pipeline that sweeps through sweeping door 13, installs compressed air isolating door 8 on the compressed air pipe, the hot-blast main is installed to compressed air pipe's bottom, installs hot-blast door 9 and temperature-sensing door 11 on the hot-blast main.
Preferably, the extension tube 21 is made of a high temperature and corrosion resistant material.
Preferably, a triangular bracket 22 is installed at the bottom of the bracket 6.
Preferably, a differential pressure gauge 5 is mounted on one side of the bracket 6.
Preferably, an incubator 12 is installed on the hot air pipe, and a thermometer 10 is installed on one side of the incubator 12.
Preferably, the second sealing device 27 is installed at the junction of the exhaust pipe and the flue, and the exhaust isolation door 26 is installed on the second sealing device 27.
The working principle is as follows: (1) preheating before sampling, firstly opening a temperature control door 11 to heat the heat preservation box 12; then, opening an exhaust isolation door 26, closing an injector inlet door 14 and a purging door 13, and gradually opening a hot air door 9 to preheat an air return pipeline; finally, after the separator isolation door 20 and the sampling isolation door 2 are opened, the purging door 13 is opened to preheat the sampling and separating device; after preheating is finished, an injector inlet door 14 is opened, a hot air door 9, a purging door 13 and a separator isolating door 20 are closed, and the insulation box 12 meets the temperature requirement according to a thermometer 10 and an adjusting temperature control door 11; (2) sampling, separating, collecting and exhausting, adjusting a handle 23 to enable a sampling gun 2 to enter a hearth and be fixed at a certain position, opening a separator isolation door 20, adjusting a compressed air isolation door 8 to enable a differential pressure gauge 5 to indicate 0, starting sampling, enabling flue gas carrying fly ash particles to enter a sampling gun 3 and then enter a first-stage separator 16 under the suction action, separating and collecting part of large-particle fly ash into a storage tank 17, entering a second-stage separator 15, the rest fly ash particles are separated and fall into a storage tank 17 through a communicating pipe to be collected, an observation window is arranged on the storage tank 17, the amount of internal samples can be observed, when the internal samples reach the upper limit, the sampling is stopped, the separator is prevented from being blocked, the samples fall into the sampling bottle 19 by opening the discharge door 18, and the flue gas discharged by the secondary separator 15 sequentially flows through the ejector inlet door 14, the Venturi ejector 7 and the exhaust isolation door 26 to enter a downstream flue; the position of the sampling gun is determined, 6-8 positions can be selected in advance for carrying out independent sampling analysis, and the most representative sampling position of the fly ash is obtained according to the analysis result; (3) purging after sampling is finished, stopping heat preservation, returning the sampling gun 3 to the zero position of a scale 25 after sampling is finished, closing the separator isolation door 20 and the ejector inlet door 14, adjusting the compressed air isolation door 8 to purge the exhaust pipeline for 5 minutes, closing the exhaust valve 26, then opening the purging door 13 and the exhaust door 18 to purge the separation device for 5 minutes, finally closing the purging door 13, opening the separator isolation door 20 to purge the sampling gun 3 for 5 minutes, closing the sampling isolation door 2 and the compressed air isolation door 8 after purging is finished, stopping purging and completely isolating the system from a flue, finally closing the temperature control door 11, and stopping heating of the heat preservation box; (4) blowing when the device is blocked, firstly pre-warming the pipeline to loosen the agglomerated fly ash, then removing the loosened fly ash according to the blowing step, and opening the valve force when necessary to ensure the blowing effect
Example two
A coal-fired boiler vertical flue telescopic fly ash sampling device of a coal-fired boiler vertical flue telescopic fly ash sampling device comprises a sampling device, a separation and storage device, a suction device, a purging preheating heat preservation device and a movable support;
the sampling device comprises a sealing device 1, a sampling isolation door 2, a sampling gun 3, a sleeve 4, an extension tube 21, a handle 23, a fixing nut 24 and a scale 25, wherein the handle 23 is welded at the tail end of the sampling gun 3, the gun tail is connected with the extension tube 21, the extension tube 21 is made of high-temperature-resistant and corrosion-resistant materials, the other end of the extension tube is connected with a separating device, the sampling gun 3 and the extension tube 21 are both arranged in the sleeve 4, the sleeve 4 is fixedly penetrated on a support 6, an open rectangular groove is arranged below the sleeve, the handle 23 can be moved back and forth along the rectangular groove during sampling, the sampling gun 3 can be driven to do radial telescopic motion along the vertical flue section in the sleeve 4, the fixing nut 24 is screwed, the sampling gun 3 can be fixed at a certain position for sampling, a triangular pointer is welded below the handle 23, the advancing and retreating distance of the sampling gun 3 can be indicated on the scale, the external air is prevented from entering the flue, the isolating door 2 is arranged on the sealing device 1, and after sampling is finished, the sampling gun is withdrawn out of the flue, and the door is closed, so that the sampling gun 3 can be isolated from the flue;
the separating and storing device comprises a primary cyclone separator 16, a secondary cyclone separator 15, a storage tank 17, a discharge gate 18 and a separator isolating gate 20, wherein the inlet of the primary separator 16 is connected with an extension pipe 21 through the separator isolating gate 20, the storage tank 17 is arranged below the primary separator 16, the outlet of the primary separator 16 is connected with the secondary separator 15, the inlet of the secondary separator 15 is connected with the outlet of the primary separator 16, the outlet is divided into two paths, one path is connected with an ejector inlet gate 14 and connected with a Venturi ejector 7, the other path is connected with a purging pipeline through a purging gate 13, the lower portion is connected with the storage tank 17 through a slantwise arranged communicating pipe, the interface position of the communicating pipe is arranged at the upper end of the storage tank 17, a glass observation window is arranged on the tank body of the storage tank 17, the upper sampling limit position is marked to prevent the primary separator 16 from being blocked due to excessive sampling, so that the overload of the system is avoided, the separator isolating gate 20 and the ejector inlet gate 14 are, the discharge door 18 and the purging door 13 are kept completely closed, when the flue gas carries fly ash to pass through the primary separator 16, large-particle fly ash directly falls into the storage tank 17 under the action of centrifugal force and self gravity, when the flue gas carries small-particle fly ash to pass through the secondary fly ash device 15, the small-particle fly ash also enters the storage tank 17 through the communicating pipe after falling, and after sampling is finished, the discharge door 18 is opened, and a sample falls into the sampling bottle 19;
the suction device comprises a Venturi ejector 7, a differential pressure gauge 5, a compressed air isolating door 8, an ejector inlet door 14, a sealing device 27 and an exhaust isolating door 26, wherein inner and outer static pressure measuring points are arranged at a sampling hole of a sampling gun 3 and are respectively connected to the differential pressure gauge 5, the differential pressure gauge is fixedly arranged on a support 6 and can display the difference value between the inner static pressure and the outer static pressure of the current sampling hole, the compressed air isolating door 8 is adjusted to enable the differential pressure gauge 5 to indicate 0, namely, the constant-speed sampling condition is met, the sealing device 27 is arranged at the junction of an exhaust pipe and a flue to prevent external air from entering the flue, the exhaust isolating door 26 is arranged on the sealing device 27, and after sampling is finished, the door is closed to realize the isolation of;
the blowing preheating heat preservation device consists of a heat preservation box 12, a compressed air pipe, a hot air pipe and related valves, hot air is taken from a hot secondary air main pipe, the hot air pipe is provided with a hot air door 11, the compressed air pipe is provided with a compressed air isolation door 8, the hot air pipe is arranged in a snake shape on the inner surface of the heat preservation box 12, the heat preservation function is realized through radiation heat exchange, a thermometer 10 is arranged on the surface of the heat preservation box 12 and displays the current temperature inside the heat preservation box, the heat preservation box 12 is designed to meet the installation requirement that the whole system is sealed except for a meter, the isolation door, a scale, a handle and a storage tank, an injector inlet door 14 and a blowing door 13 are closed during blowing, the compressed air isolation door 8 is opened to realize forward blowing of an exhaust pipeline, then the blowing door 13 is opened to realize reverse blowing of the separation device and a sampling device, the hot air door 9 and the temperature control, the constant temperature requirement can be realized by adjusting the temperature control door 11, after sampling is finished, the temperature control door 11 is closed, and the heat preservation box 12 is cooled;
a triangular support 22 is arranged below the support 6, so that the stability is good, each support is provided with a pulley, the pulleys are provided with locking devices, and the whole device can move freely and can be fixed at a specific position.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A coal-fired boiler vertical flue telescopic fly ash sampling device comprises a first sealing device (1), a sampling isolation door (2), a sampling gun (3), a sleeve (4), a support (6), a compressed air isolation door (8), a secondary separator (15), a primary separator (16), a storage tank (17), a discharge door (18), a separator isolation door (20), an extension pipe (21), a scale (25), an exhaust isolation door (26) and a second sealing device (27); the method is characterized in that: a sampling isolation door (2) is installed on one side of the first sealing device (1), a sampling gun (3) is installed on one side of the sampling isolation door (2), a handle (23) is welded at the tail end of the sampling gun (3), a gun tail of the sampling gun (3) is connected with a telescopic pipe (21), the sampling gun (3) and the telescopic pipe (21) are installed inside a sleeve (4), the sleeve (4) is fixedly communicated with a support (6), a movable handle (23) is installed in a rectangular groove of an opening below the sleeve (4), a fixing nut (24) is installed on the movable handle (23), a triangular pointer is welded below the movable handle (23), a scale (25) is installed on the support (6), an inlet of a primary separator (16) is connected with the telescopic pipe (21) through a separator isolation door (20), a storage tank (17) is installed below the primary separator (16), and an arranging door (18) is installed at the bottom of the storage tank (17), and be provided with sampling bottle (19) under discharge gate (18), exit linkage second grade separator (15) of first grade separator (16), and second grade separator (15) entry linkage first grade separator (16) export, export of one way of second grade separator (15) is passed through ejector entry door (14) and is connected with venturi ejector (7), and venturi ejector (7) are fixed on compressed air pipe, and another way export of second grade separator (15) is connected through purging door (13) and is purged the pipeline, installs compressed air isolating door (8) on the compressed air pipe, the hot-blast main is installed to compressed air pipe's bottom, installs hot-blast door (9) and temperature control door (11) on the hot-blast main.
2. The coal-fired boiler vertical flue telescopic fly ash sampling device of claim 1, characterized in that: the extension tube (21) is made of high-temperature-resistant and corrosion-resistant materials.
3. The coal-fired boiler vertical flue telescopic fly ash sampling device of claim 1, characterized in that: a triangular support (22) is installed at the bottom of the support (6).
4. The coal-fired boiler vertical flue telescopic fly ash sampling device of claim 1, characterized in that: and a differential pressure gauge (5) is arranged on one side of the bracket (6).
5. The coal-fired boiler vertical flue telescopic fly ash sampling device of claim 1, characterized in that: an insulation can (12) is arranged on the hot air pipe, and a thermometer (10) is arranged on one side of the insulation can (12).
6. The coal-fired boiler vertical flue telescopic fly ash sampling device of claim 1, characterized in that: the second sealing device (27) is arranged at the joint of the exhaust pipe and the flue, and an exhaust isolation door (26) is arranged on the second sealing device (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238051.2U CN210893830U (en) | 2019-08-02 | 2019-08-02 | Telescopic flying dust sampling device of coal fired boiler vertical flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921238051.2U CN210893830U (en) | 2019-08-02 | 2019-08-02 | Telescopic flying dust sampling device of coal fired boiler vertical flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210893830U true CN210893830U (en) | 2020-06-30 |
Family
ID=71319906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921238051.2U Active CN210893830U (en) | 2019-08-02 | 2019-08-02 | Telescopic flying dust sampling device of coal fired boiler vertical flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210893830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587085A (en) * | 2021-07-15 | 2021-11-02 | 宁波久丰热电有限公司 | Boiler ash taking and returning circulation system |
-
2019
- 2019-08-02 CN CN201921238051.2U patent/CN210893830U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587085A (en) * | 2021-07-15 | 2021-11-02 | 宁波久丰热电有限公司 | Boiler ash taking and returning circulation system |
| CN113587085B (en) * | 2021-07-15 | 2024-03-12 | 宁波久丰热电有限公司 | Boiler ash taking and returning circulation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202393629U (en) | Device for sampling and measuring dusts in high-temperature and high-pressure gas | |
| CN104406826B (en) | The method of sampling of condensable particle sampling device | |
| CN101672732B (en) | Water-cooling fly ash sampling device of circulating fluid bed boiler | |
| CN103674625B (en) | Dual-Phrase Distribution of Gas olid sampler | |
| CN102494980A (en) | Concentration measuring and sampling device for high-temperature pressured dust | |
| CN102928258A (en) | Fixed type flying ash sampling device of coal-fired boiler and method | |
| CN210893830U (en) | Telescopic flying dust sampling device of coal fired boiler vertical flue | |
| CN101813579B (en) | Constant-speed sampling device of fly ash | |
| CN210154881U (en) | Sampling system for filterable particles and condensable particles | |
| CN109737898A (en) | A kind of system for realizing on-line testing water wall high temperature corrosion | |
| CN110003923A (en) | It is a kind of for measuring the device and measurement method of coke burning in coke dry quenching furnace | |
| CN208187625U (en) | Anti-blocking device for pressure measurement suitable for wet flue gas pressure measurement | |
| CN103162993A (en) | Isothermal constant-speed sampling device of fly ash | |
| CN201837547U (en) | Flying ash sampling device at uniform speed | |
| CN106501034A (en) | A kind of device of the smoke sampling monitoring of high temperature with high dust | |
| CN109556749A (en) | A kind of high-temperature flue gas contact type temperature measuring device and its measurement method | |
| CN207096272U (en) | A kind of anti-blocking resistant wear wind speed and wind system for measuring quantity | |
| CN106248436A (en) | Wholegrain footpath on-line period device | |
| CN107192846A (en) | A kind of anti-blocking resistant wear wind speed and wind system for measuring quantity | |
| CN208350570U (en) | A kind of granule density measuring device for high temperature oil-containing dusty gas | |
| CN108514803B (en) | High-temperature oil-water steam dust removal device and use method | |
| CN208366946U (en) | The device that gas is analyzed in a kind of pair of high-sulfur atmosphere | |
| CN203658110U (en) | Gas-solid two-phase flow sampling device | |
| CN107091761A (en) | It is a kind of to be easy to fly ash sampling device and method outside the flue of operation | |
| CN205679426U (en) | Wholegrain footpath on-line period device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |