CN212199140U - Powder returning system of gas stove - Google Patents
Powder returning system of gas stove Download PDFInfo
- Publication number
- CN212199140U CN212199140U CN202020418545.5U CN202020418545U CN212199140U CN 212199140 U CN212199140 U CN 212199140U CN 202020418545 U CN202020418545 U CN 202020418545U CN 212199140 U CN212199140 U CN 212199140U
- Authority
- CN
- China
- Prior art keywords
- powder
- pipeline
- bin
- branch
- valve
- 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
- Furnace Details (AREA)
Abstract
The utility model relates to a technical field is carried to the powder, especially relates to a powder system is returned to gas furnace, include: the powder bin is provided with a first discharge hole; the upward-drawing type bin pump comprises a bin body, a feeding hole, an air inlet, a vulcanizing disc and a second discharging hole, wherein the feeding hole and the second discharging hole are positioned at the top end of the bin body, the air inlet is positioned at the bottom end of the bin body, and the vulcanizing disc is positioned inside the bin body; the first discharge hole is connected with the feed inlet; one end of the powder returning pipeline is connected with the second discharge hole, and the other end of the powder returning pipeline is connected with the gas furnace; first nitrogen gas pipeline includes first branch road and second branch road, first branch road is connected the air inlet, the second branch road is connected return the powder pipeline, because the structure of the upward formula storehouse pump that draws that adopts is simple, and not complicated mechanical structure for the fault rate reduces, and then has improved the output efficiency of coal gas.
Description
Technical Field
The utility model relates to a technical field is carried to the powder, especially relates to a powder system is returned to gas furnace.
Background
The existing gas furnace powder return system is characterized in that a bin pump which runs in series is matched with a guide type rotary mechanical device, pulverized coal is conveyed to a gasification furnace through the bin pump, the gasification furnace produces gas, and the gas produced by the gasification furnace is purified by various levels of dust removal systems and then is conveyed to other devices to be used as fuel.
The powder returning system comprises a powder returning system, a powder returning system and a powder returning system, wherein the powder returning system is used for returning powder to the powder returning system, and the powder returning system is used for returning powder to.
Therefore, how to reduce the failure rate of the powder returning system and improve the production efficiency of the coal gas is a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a gas furnace dust return system that overcomes or at least partially solves the above-mentioned problems.
The utility model provides a powder system is returned to gas stove, include:
the powder bin is provided with a first discharge hole;
the upward-drawing type bin pump comprises a bin body, a feeding hole, an air inlet, a vulcanizing disc and a second discharging hole, wherein the feeding hole and the second discharging hole are positioned at the top end of the bin body, the air inlet is positioned at the bottom end of the bin body, and the vulcanizing disc is positioned inside the bin body;
the first discharge hole is connected with the feed inlet through a feed pipeline;
one end of the powder returning pipeline is connected with the second discharge hole, and the other end of the powder returning pipeline is connected with the gas furnace;
the first nitrogen conveying pipeline comprises a first branch and a second branch, the first branch is connected with the air inlet, and the second branch is connected with the powder returning pipeline.
Preferably, the powder return pipeline is provided with a first cut-off valve, a first outlet valve connected with the upward-leading bin pump, and a second outlet valve connected with the powder bin.
Preferably, a second nitrogen gas conveying pipeline is further arranged between the first cut-off valve and the gas furnace, and a protective nitrogen gas valve is arranged on the second nitrogen gas conveying pipeline.
Preferably, the top end of the bin body of the upward-drawing bin pump is further provided with an air outlet, the air outlet is connected to the powder bin through an air exhaust pipeline, and a second stop valve is arranged on the air exhaust pipeline.
Preferably, the elbow parts of the exhaust pipeline and the powder return pipeline are provided with ceramic linings.
Preferably, the powder return pipeline is further provided with a blocking discharge port, the blocking discharge port is connected with the powder bin through a blocking discharge pipeline, a third cut-off valve is arranged on the blocking discharge pipeline, and a nitrogen purging device is arranged in the blocking discharge pipeline.
Preferably, the coal gas dust return system further comprises:
the probe of the first pressure transmitter is arranged in the upward-drawing type bin pump;
the probe of the second pressure transmitter is arranged in the powder return pipeline;
and the probe of the temperature detection device is arranged at the joint of the powder return pipeline and the gas furnace.
Preferably, the shoulder part of the bin body is provided with an air vent;
the first nitrogen conveying pipeline further comprises a third branch;
the third branch is connected to the vent.
Preferably, the first nitrogen conveying pipeline further comprises a fourth branch, and the fourth branch is connected with the second discharge hole.
Preferably, the first branch, the second branch, the third branch and the fourth branch are all provided with a fourth cut-off valve.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the utility model provides a powder returning system of a gas furnace, which comprises a powder bin, an upward-drawing type bin pump, the gas furnace, a powder returning pipeline and a first nitrogen conveying pipeline, wherein the powder bin is provided with a first discharge hole; the upward-drawing bin pump comprises a bin body, a feeding port, a bottom air inlet, a vulcanizing disc and a second discharging port, wherein the feeding port and the second discharging port are positioned at the top end of the bin body; the first discharge port is connected with the feed port through a feed pipeline, one end of a powder return pipeline is connected with an upper-leading type bin pump, and the other end of the powder return pipeline is connected with a gas furnace; first nitrogen gas pipeline includes first branch road and second branch road, and the air inlet is connected in first branch road, and the powder pipeline is returned in the connection of second branch road, adopts and goes up formula storehouse pump as pneumatic conveyor and carry the buggy, because the buggy is the ejection of compact in upper portion for the buggy material of carrying is more even, carries more stably, moreover, should go up the simple structure of formula storehouse pump, and not complicated mechanical structure makes the fault rate reduce, and then has improved the output efficiency of coal gas.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic diagram illustrating a powder return system of a gas furnace according to an embodiment of the present invention;
fig. 2 shows a schematic structural diagram of an upward-drawing type bin pump in an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a powder returning system of a gas furnace refined in an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The embodiment of the utility model provides a powder system is returned to gas stove, as shown in figure 1, figure 2, include:
the powder bin 101, the upward-leading bin pump 102, the gas furnace 103, the powder returning pipeline 104 and the first nitrogen conveying pipeline 105 are provided with a first discharge hole on the powder bin 101.
The upward-drawing type bin pump 102 comprises a bin body 201, a feeding port 202, an air inlet 203, a vulcanizing disc 204 and a second discharging port 205, wherein the feeding port 202 and the second discharging port 205 are positioned at the top end of the bin body 201, the air inlet 203 is positioned at the bottom end of the bin body 201, and the vulcanizing disc 204 is positioned inside the bin body 201.
A first discharge port of the powder bin 101 is connected with a feed port of the upper-drawing bin pump 102 through a feed pipe.
One end of the powder returning pipeline 104 is connected with the second discharge hole 205, and the other end of the powder returning pipeline 104 is connected with the gas furnace 103.
The first nitrogen conveying pipeline 105 comprises a first branch 1051 and a second branch 1052, the first branch 1051 is connected with the bottom end gas inlet 203, and the second branch 1052 is connected with the powder returning pipeline 104.
The specific implementation principle is described in detail with reference to fig. 1, fig. 2, and fig. 3:
the pulverized coal bunker 101 is used for storing pulverized coal and supplying the upward-leading bunker pump 102 with the pulverized coal.
The first discharge hole of the powder bin 101 is connected to the feed inlet of the upward-leading bin pump 102, and specifically, the first discharge hole can be connected to a feed pipeline, and a fifth cut-off valve XV _1905 can be arranged on the feed pipeline for controlling feeding and stopping feeding.
The first nitrogen delivery conduit 105 is specifically configured to provide compressed nitrogen, which is specifically provided for four purposes, and thus, the first nitrogen delivery conduit 105 may have four branches, a first branch 1051, a second branch 1052, a third branch 1053, and a fourth branch 1054.
The first branch 1051 is connected to the gas inlet 203 and used for providing nitrogen gas to the vulcanizing pan 204, so that the pulverized coal can flow by uniformly mixing the gas and the pulverized coal under the action of the vulcanizing pan 204.
The second branch 1052 is connected to the powder return pipe 104 for providing pneumatic power for pneumatic transmission.
The third branch 1053 is connected with a vent A on the bin body 201, the vent A is positioned on the shoulder of the bin body and is used for providing high-pressure gas for the bin body 201 so as to enable the gas flow to flow from high pressure to low pressure, the use of the vent can realize the quick pressurization of the bin body and ensure the ash powder conveying amount of the bin body.
When the compressed nitrogen is introduced into the bin body 201, the gas pressure in the bin body 201 is increased, so that the gas flow can flow towards the low-pressure gas furnace 103.
In a preferred embodiment, the first nitrogen gas delivery pipe 105 further comprises a fourth branch 1054, which is also connected to the second discharge outlet 205 for supplying supplemental gas pressure to the gas pressure of the return powder pipe.
And the four branches are provided with fourth stop valves for controlling the stop and the opening of nitrogen conveying.
Therefore, the realization principle of the powder returning system of the gas furnace is that the coal powder provided by the bin pump 101 in the upward-drawing bin pump 102 is fully and uniformly mixed through the powder returning pipeline 104 under the action of compressed nitrogen and then enters the gas furnace 103, so that the gas is produced in the gas furnace 103.
In a specific embodiment, the powder return pipeline 104 is provided with a first cut-off valve XV _1910A, which is used for cutting off the passage of the powder return pipeline 104 when the powder return system is stopped or when the gas pressure of the up-drawing bin pump 102 is lower than that of the gas stove.
The powder return duct 104 is connected to a second nitrogen gas transfer duct 301, and specifically, the second nitrogen gas transfer duct 301 is provided between the first shut-off valve XV _1910A and the gas furnace 104, and the second nitrogen gas transfer duct 301 is provided with a nitrogen protection valve XV _ 1911. The second nitrogen conveying pipeline 301 is used for opening the protective nitrogen valve XV _1911 after the first cut-off valve cuts off the passage of the powder returning pipeline 104, and introducing protective nitrogen to ensure that the gas production is normally carried out.
The first cut-off valve XV _1910A specifically adopts a manual and pneumatic high-temperature ball valve, the pneumatic high-temperature ball valve is opened and closed in automatic control, and the manual high-temperature ball valve can be closed manually in emergency. This protection nitrogen gas valve also can adopt manual and pneumatic valve, the embodiment of the utility model provides an in no longer detailed description.
The powder return pipe 104 is also provided with a first outlet valve XV _1907 and a second outlet valve XV _1908 connected to the powder bin. The double-valve arrangement can firstly effectively ensure the safe operation requirement of the powder returning system and realize reliable cutting-off measures with the high-pressure gas furnace. Secondly, the function of removing the blockage of the pipeline is realized, and the function of cleaning the blockage of the pipeline can be realized under the online condition.
The system further comprises a first pressure transmitter and a second pressure transmitter, wherein a probe of the first pressure transmitter is arranged in the upward-leading type bin pump 102, a probe of the second pressure transmitter is arranged in the powder returning pipeline 104 and used for monitoring the air pressure in the powder returning pipeline 104, when the air pressure in the powder returning pipeline 104 is lower than the air pressure in the gas stove 103, the first cut-off valve XV _1910A is controlled to be closed, the protection nitrogen valve XV _1911 is opened, the situation that the air pressure in the powder returning pipeline 104 is lower than the air pressure in the gas stove 103 is avoided, and the high-temperature gas of the gas stove 103 flows back to the powder returning pipeline 104.
Of course, the system further includes a temperature detection device TT _1904, a probe of which is disposed at a connection between the powder return pipe 104 and the gas stove, and is used for monitoring the temperature in the powder return pipe 104 and avoiding an over-high temperature.
A material level switch LS1901 is further arranged on the upward-leading type bin pump 102 and is specifically used for running a feeding program after the bin body is filled with materials according to the actual loading condition of the bin body.
A blocking discharge port is further arranged on the powder return pipeline 104 and connected with the powder bin 101 through a blocking discharge pipeline 302, and a nitrogen purging device is arranged in the blocking discharge pipeline 302 and used for purging nitrogen so that pulverized coal conveyed by the air pressure in the powder return pipeline 104 is not easy to deposit to block the pipeline. The third shut-off valve XV _1909 is provided in the drain pipe 302.
The top end of the bin body 201 of the upward-drawing bin pump 102 is further provided with an exhaust port, the exhaust port is connected to the powder bin 101 through an exhaust pipeline 303, so that the gas exhausted by the upward-drawing bin pump 102 enters the powder bin 101, the gas contains coal powder, and the gas is not directly exhausted into the air to cause environmental pollution by connecting the exhaust pipeline 303 to the powder bin 101. The exhaust pipe 303 is provided with a second shut-off valve XV _ 1906.
Ceramic linings are arranged at the elbow of the exhaust pipeline 303 and the elbow of the powder return pipeline 104 to prevent the abrasion of the exhaust pipeline 303 caused by the ash powder.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the utility model provides a powder returning system of a gas furnace, which comprises a powder bin, an upward-drawing type bin pump, the gas furnace, a powder returning pipeline and a first nitrogen conveying pipeline, wherein the powder bin is provided with a first discharge hole; the upward-drawing bin pump comprises a bin body, a feeding port, a bottom air inlet, a vulcanizing disc and a second discharging port, wherein the feeding port and the second discharging port are positioned at the top end of the bin body; the first discharge port is connected with the feed port through a feed pipeline, one end of a powder return pipeline is connected with an upper-leading type bin pump, and the other end of the powder return pipeline is connected with a gas furnace; first nitrogen gas pipeline includes first branch road and second branch road, and the air inlet is connected in first branch road, and the powder pipeline is returned in the connection of second branch road, adopts and goes up formula storehouse pump as pneumatic conveyor and carry the buggy, because the buggy is the ejection of compact in upper portion for the buggy material of carrying is more even, carries more stably, moreover, should go up the simple structure of formula storehouse pump, and not complicated mechanical structure makes the fault rate reduce, and then has improved the output efficiency of coal gas.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A gas stove returns whitewashed system, its characterized in that includes:
the powder bin is provided with a first discharge hole;
the upward-drawing type bin pump comprises a bin body, a feeding hole, an air inlet, a vulcanizing disc and a second discharging hole, wherein the feeding hole and the second discharging hole are positioned at the top end of the bin body, the air inlet is positioned at the bottom end of the bin body, and the vulcanizing disc is positioned inside the bin body;
the first discharge hole is connected with the feed inlet through a feed pipeline;
one end of the powder returning pipeline is connected with the second discharge hole, and the other end of the powder returning pipeline is connected with the gas furnace;
the first nitrogen conveying pipeline comprises a first branch and a second branch, the first branch is connected with the air inlet, and the second branch is connected with the powder returning pipeline.
2. The system of claim 1, wherein the powder return conduit is provided with a first shut-off valve, and a first outlet valve connected to the pull-up bin pump, and a second outlet valve connected to the powder bin.
3. The system as claimed in claim 2, wherein a second nitrogen gas delivery pipe is further provided between the first cut-off valve and the gas furnace, and a protective nitrogen gas valve is provided on the second nitrogen gas delivery pipe.
4. The system of claim 1, wherein the top end of the bin body of the upward-drawing bin pump is further provided with an air outlet, the air outlet is connected to the powder bin through an air outlet pipeline, and the air outlet pipeline is provided with a second stop valve.
5. The system of claim 4, wherein a ceramic lining is disposed at the bend of the exhaust conduit and the return powder conduit.
6. The system of claim 1, wherein the powder return pipeline is further provided with a blocking outlet, the blocking outlet is connected with the powder bin through a blocking outlet pipeline, a third cut-off valve is arranged on the blocking outlet pipeline, and a nitrogen purging device is arranged in the blocking outlet pipeline.
7. The system of claim 1, wherein the gas furnace return fines system further comprises:
the probe of the first pressure transmitter is arranged in the upward-drawing type bin pump;
the probe of the second pressure transmitter is arranged in the powder return pipeline;
and the probe of the temperature detection device is arranged at the joint of the powder return pipeline and the gas furnace.
8. The system of claim 1, wherein said cartridge body shoulder is provided with a vent;
the first nitrogen conveying pipeline further comprises a third branch;
the third branch is connected to the vent.
9. The system of claim 8, wherein the first nitrogen delivery conduit further comprises a fourth branch, the fourth branch connecting the second outlet.
10. The system of claim 9, wherein a fourth shut-off valve is disposed on each of the first, second, third, and fourth branches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020418545.5U CN212199140U (en) | 2020-03-27 | 2020-03-27 | Powder returning system of gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020418545.5U CN212199140U (en) | 2020-03-27 | 2020-03-27 | Powder returning system of gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212199140U true CN212199140U (en) | 2020-12-22 |
Family
ID=73825609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020418545.5U Active CN212199140U (en) | 2020-03-27 | 2020-03-27 | Powder returning system of gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212199140U (en) |
-
2020
- 2020-03-27 CN CN202020418545.5U patent/CN212199140U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203682609U (en) | Pneumatic dust delivery device of boiler electric dust precipitation system | |
| CN202860499U (en) | System for catalyst metering and automatic charging of FCC (fluid catalytic cracking) device | |
| CN205151192U (en) | High densification looks pneumatic conveyor of forced lubrication formula | |
| CN103333983B (en) | Converter primary flue gas dry dedusting and cinder pneumatic transmission system | |
| CN202098859U (en) | Conveying system for cellar material | |
| CN203569049U (en) | Pulverized coal pressurized dense phase transportation system suitable for dry pulverized coal gasification | |
| CN212199140U (en) | Powder returning system of gas stove | |
| CN207390481U (en) | The grey transport system of purification | |
| CN207226492U (en) | A kind of close mutually defeated grey process system of novel positive pressure | |
| CN206407636U (en) | Blow tank conveying device | |
| CN202807883U (en) | Dilute-phase pneumatic transmission system for fly ash materials | |
| CN103333985B (en) | Converter gas dry dedusting coarse ash pneumatic conveying system | |
| KR102051166B1 (en) | Method for transporting impurities in pressurized fluidized furnace system | |
| CN101804380B (en) | High-efficiency environment-friendly type negative-pressure pneumatic transmission system for pebble coal | |
| CN201214571Y (en) | Non-fluidized disk pneumatic conveying apparatus | |
| CN212150871U (en) | Pneumatic conveying equipment for flying ash of hazardous waste incineration system | |
| CN105180185A (en) | Air-cooled dry slag extractor with pneumatic transmission system and control method of air-cooled dry slag extractor | |
| CN103318648B (en) | Converter gas dry-method dedusting cinder pneumatic conveying method | |
| CN207293576U (en) | Agstone conveying device | |
| CN207511139U (en) | A kind of coal spout vacuum suction coal-blocking-proof device of coal | |
| CN203033443U (en) | Full-automatic powder pneumatic conveying system | |
| CN206814026U (en) | A kind of pulverized limestone induction system for calcium injection and desulfurization boiler | |
| CN203382222U (en) | Device for removing blocking at discharging opening of large-particle material conveying device | |
| CN201942320U (en) | Improved petroleum coke powder combustion conveying device for industrial kiln | |
| CN109205199A (en) | A kind of powdered activated carbon remote delivery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |