CN210128364U - Energy-saving and clean water gas combustion pipeline structure - Google Patents

Energy-saving and clean water gas combustion pipeline structure Download PDF

Info

Publication number
CN210128364U
CN210128364U CN201822276642.0U CN201822276642U CN210128364U CN 210128364 U CN210128364 U CN 210128364U CN 201822276642 U CN201822276642 U CN 201822276642U CN 210128364 U CN210128364 U CN 210128364U
Authority
CN
China
Prior art keywords
pipe
gas
water
combustion
pipe section
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
Application number
CN201822276642.0U
Other languages
Chinese (zh)
Inventor
荆海山
陶志坚
陆志佳
程希如
郑旭东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Delitai Technology Co Ltd
Original Assignee
Foshan Delitai Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Delitai Technology Co Ltd filed Critical Foshan Delitai Technology Co Ltd
Priority to CN201822276642.0U priority Critical patent/CN210128364U/en
Application granted granted Critical
Publication of CN210128364U publication Critical patent/CN210128364U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

Landscapes

  • Furnace Details (AREA)

Abstract

The embodiment of the utility model discloses an energy-saving and clean water gas combustion pipeline structure, which comprises a pressure stabilizing filter pipe group and a gas distribution pipe group, wherein the pressure stabilizing filter pipe group is used for stabilizing and filtering water gas supplied by a gas station; the gas distribution pipe group is used for distributing the water gas treated by the pressure stabilizing filter pipe group to each burner of the kiln. By adopting the embodiment, the pressure stabilizing filter pipe group can convey water gas from a gas station to a kiln for combustion after rapid pressure reduction, pressure stabilization, water removal and dust removal. The gas distribution pipe group can further remove moisture in the water gas, and finally the water gas is respectively supplied to the burners at the upper part and the lower part of the kiln, so that the purpose that the upper burner and the lower burner of each combustion pipe group can independently control the temperature respectively is achieved.

Description

Energy-saving and clean water gas combustion pipeline structure
Technical Field
The utility model relates to a combustion system field of high temperature furnace (containing the kiln), especially, relate to a water gas burning pipeline structure.
Background
The water gas (cold gas) is one of the common fuels used in the firing of ceramic tile kilns. Formed by mixing water vapor and air to form a gasifying agent and then flowing the gasifying agent through a hot fixed combustion bed. Oxygen and steam contained in the air react with carbon in the fuel to generate CO and CO2、H2CH compound, N2The generator gas with equal components discharges water and carbon dioxide after combustion, and contains trace amounts of CO, hydrocarbons and SO2、NOXAnd the like.
Although the water gas has certain pollution in the gas making and using processes, such as phenol water, dust (coal powder) and the like, the water gas can be discharged up to the standard as long as the environmental protection treatment is enhanced by ceramic enterprises. In recent years, government departments require that all kilns in a ceramic production area are changed into clean energy (such as natural gas and the like), but all kilns are changed, the natural gas supply is obviously insufficient, and the kilns have to be changed back to the water gas production. China is a big coal producing country, the coal source is rich, the coal price is cheap, and under the condition of converting the coal source into the same heat value, the price of the water gas is 40% -50% lower than that of natural gas, so that the water gas is still the main fuel fired by domestic tiles for a long time in the future.
In order to solve the problems of low calorific value of water gas, pressure fluctuation, pollution and the like, kiln manufacturers generally perform pressure stabilization, filtration, drainage and other treatments on the water gas, but still can not avoid the following problems after entering a kiln combustion pipeline:
(1) and (4) pollution. Although the water gas is treated by the pressure reducing valve group, certain residual water vapor, dust (coal powder), tar and other impurities still exist, the treatment is not good, and firstly, the product is polluted after the combustion; secondly, water collection at high temperatures can lead to cracking of the SIC combustion chamber.
(2) And (6) corrosion. The coal contains sulfur, and residual hydrogen sulfide, sulfur dioxide and the like exist after water gas is generated, so that the coal has corrosiveness on metal pipelines, valve parts and the like.
(3) Low heat value and pressure fluctuation.
In order to ensure that the water gas fuel can be smoothly and effectively used for the combustion heating of the kiln, a pipeline structure must be researched so as to be used safely and efficiently and achieve the effect of energy conservation.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that will solve provides an energy-conserving, clear water gas burning pipeline structure, can send the water gas that comes from the gas station to the gas distribution nest of tubes after through quick decompression, steady voltage, dewatering, dust removal, supplies with water gas upper portion and lower part nozzle respectively through the gas distribution nest of tubes.
In order to solve the technical problem, the embodiment of the utility model provides an energy-saving and clean water gas combustion pipeline structure, which comprises a pressure stabilizing filter pipe group and a fuel gas distribution pipe group,
the pressure stabilizing filter pipe group is used for stabilizing and filtering water gas supplied by a gas station;
the gas distribution pipe group is used for distributing the water gas treated by the pressure stabilizing filter pipe group to each burner of the kiln;
the gas distribution pipe group comprises a main gas pipe, a combustion control pipe group, a gas distribution transverse pipe, a gas distribution longitudinal pipe, a burner branch gas pipe and a burner gas filtering mechanism which are connected in sequence, and the burner gas filtering mechanism is connected with the burner and supplies water gas for the burner; the combustion control pipe group is positioned below the main combustion gas pipe, the gas distribution transverse pipe is positioned above the combustion control pipe group, and the gas supplied by the main combustion gas pipe is introduced into the combustion control pipe group downwards and then introduced into the gas distribution transverse pipe upwards.
As an improvement of the scheme, the combustion control pipe group is used for automatically controlling the gas supply of the burners in the group and comprises a main pipe for the falling of the combustion pipe group connected with the main gas pipe and an air outlet pipe of the combustion control group, and the air outlet pipe of the combustion control group is provided with an electric regulating valve and a pneumatic stop valve.
As an improvement of the scheme, the burner branch gas pipe comprises an upper bent pipe section connected with the gas distribution longitudinal pipe, a lower bent pipe section formed by downwards bending the upper bent pipe section, and a downwards extending pipe section connected with the lower bent pipe section.
As an improvement of the scheme, the bottom end of the main pipe for the falling of the combustion pipe group, the bottom of the gas distribution longitudinal pipe and the bottom of the burner gas filtering mechanism are connected with a water discharge control valve and a water discharge pipe.
As an improvement of the scheme, each gas distribution longitudinal pipe supplies gas to 4 burners which are positioned at the same height below the gas distribution longitudinal pipe, and the combustion control pipe group simultaneously controls the gas supply amount of 8 corresponding burners.
As an improvement of the scheme, the pressure stabilizing filter tube group comprises
The main pipe section is provided with a main filter and an electric butterfly valve, the main filter is used for filtering dust, tar and water vapor in the water gas, and the electric butterfly valve is used for controlling the circulation diameter of the main pipe section to play a role in pressure regulation and pressure reduction;
the water sinking tank is arranged at the front end of the main pipe section;
the water discharge pipe is arranged at the bottom of the water sedimentation tank; the water discharge pipe is sequentially connected with a gas sealing pipe, an overflow pipe and a water collecting pipe; the air sealing pipe is a vertically arranged pipeline, and the overflow pipe is connected to a preset height of the air sealing pipe.
As an improvement of the scheme, the main pipe section is also provided with a high-pressure gauge and a low-pressure gauge which are respectively arranged on the air inlet side and the air outlet side of the main filter.
As an improvement of the scheme, the main pipe section is also provided with a pneumatic cut-off valve and a bypass pipe section, and the pneumatic cut-off valve is arranged on the air inlet side of the electric butterfly valve;
the bypass pipe section comprises a first vertical bypass pipe section, a second vertical bypass pipe section, a third vertical bypass pipe section and a horizontal bypass pipe section, wherein an auxiliary filter is arranged on the horizontal bypass pipe section, the first vertical bypass pipe section connects the feeding ends of the main filter and the auxiliary filter, the second vertical bypass pipe section connects the discharging ends of the main filter and the auxiliary filter, and the third vertical bypass pipe section connects the gas outlet of the main pipe section with the gas outlet of the horizontal bypass pipe section.
As an improvement of the scheme, the bottoms of the main filter and the auxiliary filter are connected with a water collecting pipe; the bottoms of the first vertical bypass pipe section and the third vertical bypass pipe section are lower than the bottoms of the transverse bypass pipe sections, and the bottoms of the first vertical bypass pipe section and the third vertical bypass pipe section are connected with the water collecting pipe.
As an improvement of the scheme, the water collecting pipe is connected into an air sealing tank, and an overflow valve is arranged on the air sealing tank.
Implement the embodiment of the utility model provides a, following beneficial effect has:
by adopting the embodiment, the pressure stabilizing filter pipe group can convey water gas from a gas station to a kiln for combustion after rapid pressure reduction, pressure stabilization, water removal and dust removal. On one hand, the pressure stability is ensured, and on the other hand, the water gas entering the kiln can be cleaned as much as possible, so that the normal use and the small pollution are ensured, and the purpose of improving the product sintering qualification rate is achieved.
The gas distribution pipe group can further remove moisture in the water gas, and finally the water gas is respectively supplied to the upper burner and the lower burner, so that the purpose that the upper burner and the lower burner of each combustion pipe group can independently control the temperature respectively is achieved.
Drawings
FIG. 1 is a schematic structural view of a pressure-stabilizing filter tube set in an energy-saving and clean water gas combustion pipeline structure according to the present invention;
FIG. 2 is a schematic view of the overall structure of a gas distribution pipe group in an energy-saving and clean water gas combustion pipeline structure according to the present invention;
FIG. 3 is a schematic structural view of a gas distribution pipe group connected with burners on a roll according to the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic structural view of a gas distribution pipe group connected to the lower roller burner of the present invention;
fig. 6 is a schematic diagram of the connection of the combustion control tube assembly according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
As shown in figure 2, the total length of the kiln furnace in the utility model is composed of a plurality of module sections (or called single-section kiln), the length of each module section is 2.1 m/section, and the inner width is determined according to the product specification, the process characteristics or the customer requirements. The upper part and the lower part (which can be called roller upper or roller lower or product upper or lower channel in the structure of the roller kiln) of each module section are respectively provided with 4 burners (8 in total) in the longitudinal direction, each side is respectively provided with 2 burners, and the burners are arranged in a staggered way and positioned on the same horizontal plane, so that the temperature distribution of the cross section is uniform. The burners form 1 combustion control group by 4 (the upper part or the lower part of each module section) or 8 (the upper part or the lower part of each 2 module sections), the upper part and the lower part are separately controlled, and each group is provided with an independent electric regulating valve, a pneumatic cut-off valve, a thermocouple, a temperature control instrument and other devices for independent temperature control. In order to facilitate the adjustment of the temperature difference (including the upper part, the lower part and the whole cross section of the product) in the kiln, the products in the kiln are taken as boundaries, the burners are distributed in the upper plane and the lower plane of the walls at two sides, and the flame during combustion is respectively sprayed into the channels at the upper part and the lower part of the product.
One side of the kiln is a transmission driving edge for installing devices such as a motor and a transmission device, the other side of the kiln is a driven edge (or called a driven edge) for assembling and disassembling the roller rods, and the combustion pipe group is generally arranged on the driving edge (the roller rods are frequently replaced on the other side, and the lower pipe blocks the roller rods too much), so that the height direction layout is convenient for manual operation. The main pipeline of each combustion pipe group is connected out from the middle upper part of the main gas supply pipe, downwards extends to the kiln top after a relevant valve and a bypass (for maintaining valves) are installed from the driving side, then is distributed to two sides of the kiln wall, and finally supplies coal gas to the upper burner and the lower burner respectively, so that the purpose that the upper burner and the lower burner of each combustion pipe group can independently control the temperature respectively is achieved.
With reference to fig. 1 and 3, an embodiment of the present invention provides an energy-saving and clean water gas combustion pipeline structure, which includes a pressure-stabilizing filter pipe set and a gas distribution pipe set,
the pressure stabilizing filter pipe group is used for stabilizing and filtering water gas supplied by a gas station;
the gas distribution pipe group is used for distributing the water gas treated by the pressure stabilizing filter pipe group to each burner of the kiln;
the gas distribution pipe group comprises a main gas pipe 31, a combustion control pipe group 32, a gas distribution transverse pipe 33, a gas distribution longitudinal pipe 34, a burner branch gas pipe 35 and a burner gas filtering mechanism 36 which are connected in sequence, and the burner gas filtering mechanism 36 is connected with a burner 37 and supplies water gas for the burner 37; the combustion control pipe group 32 is positioned below the main gas pipe 31, the gas distribution transverse pipe 33 is positioned above the combustion control pipe group 32, and the gas supplied by the main gas pipe 31 is downwards introduced into the combustion control pipe group 32 and then upwards introduced into the gas distribution transverse pipe 33.
The combustion chamber of the burner 37 is made of SISIC (the long-term use temperature can reach 1350 ℃), and has the advantages of high temperature resistance and quick heat transfer, and the tubular structure of the burner is lighter and more durable than the aluminium burner 37 brick, but has the defect that the burner can explode due to stress concentration after contacting water drops at high temperature, firstly, flame can not be effectively sprayed into the kiln during combustion in the kiln wall, and secondly, the kiln wall can be burnt. Therefore, all the junctions of all the transverse, longitudinal and vertical pipes of the combustion pipe group are all discharged from the top or middle upper part of the pipe, and the bottom is provided with a water drain valve, so that no water collection is ensured after the water gas enters the burner 37 as much as possible.
The following specifically describes the specific structures of the pressure-stabilizing filter tube group and the gas distribution tube group.
The water gas sent out from the gas station is firstly led into a pressure stabilizing filter pipe group, and then is led into a main gas pipe 31 of a gas distribution pipe group after being stabilized and filtered by the pressure stabilizing filter pipe group.
As shown in FIG. 1, the surge tank group comprises
The water gas purifier comprises a main pipe section 1, wherein a main filter 2 and an electric butterfly valve 3 are arranged on the main pipe section 1, the main filter 2 is used for filtering dust, tar and water vapor in water gas, and the electric butterfly valve 3 is used for controlling the circulation diameter of the main pipe section 1 to play a role in pressure regulation and pressure reduction; the water gas is finally sent out from the top of the left side of the main pipe section 1;
the submerged tank 4 is arranged at the front end of the main pipe section 1, and water gas is introduced from the top of the submerged tank;
a water discharge pipe 5 arranged at the bottom of the water sedimentation tank 4; the water discharge pipe 5 is sequentially connected with a gas sealing pipe 6, an overflow pipe 7 and a water collecting pipe 8; the gas-tight tube 6 is a vertically arranged pipe, and the overflow tube 7 is connected to the gas-tight tube 6 at a predetermined height.
By adopting the embodiment, the water gas from the gas station can be sent to the kiln for combustion after rapid pressure reduction, pressure stabilization, water removal and dust removal. On one hand, the pressure stability is ensured, and on the other hand, the water gas entering the kiln can be cleaned as much as possible, so that the normal use and the low pollution are achieved, and the purpose of improving the sintering qualification rate of products is achieved.
In order to solve the problem of unstable water gas pressure, the pressure used by the kiln (which needs to be controlled between 5,000Pa and 8,000 Pa) is usually lower than the conveying pressure of the water gas station (about 10,000 Pa) so as to keep the adjustment margin, and an electric butterfly valve 3 (used for pressure adjustment and pressure reduction here), a sensor and a pressure controller (arranged on an electric control cabinet) are arranged to be stabilized to the set pressure required by production through the opening degree. Different with traditional manual work during separate, the utility model discloses a collect the pipeline with all comdenstions water in to develop and seal trachea 6, seal the gas jar, utilize water pressure to be greater than the principle of water gas pressure and seal gas, and the comdenstion water surpasss the automatic phenol pond that flows to the ceramic enterprise behind the overflow position and concentrates on carrying out environmental protection and handle. The method is safe and economical, reduces the labor intensity of operators, and simultaneously prevents phenol water from being discharged randomly by personnel to pollute the workshop environment. Besides the control room, the gas pressure can be observed, the main pipe section 1 is also provided with a high-pressure gauge 9 and a low-pressure gauge 10 which are respectively arranged on the air inlet side and the air outlet side of the main filter 2, and the gas pressure condition can be observed on site at any time. In addition, a pressure switch 21 is also arranged, when the pressure is too low, an alarm can be automatically sent out, and the safety of the water gas is ensured. All the valves are sealed by adopting polytetrafluoroethylene linings, so that the valve is corrosion-resistant, durable, safe and reliable.
The valve core is sucked to ventilate under the electromagnetic action after the natural gas automatic gas-closing common electromagnetic valve is electrified, but if the valve core is corroded, the valve core is easily blocked, and when the natural gas automatic gas-closing common electromagnetic valve needs to be closed, the elastic force of the spring cannot push the valve core to stop gas. The pneumatic stop valve is characterized in that an electromagnetic valve is abandoned for corrosive substances such as sulfur dioxide and water in water gas, a pneumatic stop valve 11 is arranged on a main pipe section 1 and is arranged on the air inlet side of an electric butterfly valve 3, and when the kiln is stopped or other reasons need to be stopped, the air is cut off.
In order to guarantee long-term normal production, the scheme is provided with the bypass, and when devices such as a pressure regulating valve, a stop valve and the like are damaged or a filter screen is maintained and cleaned, water gas can be continuously supplied to the kiln through the bypass to maintain firing. The bypass pipe section is connected with the main pipe section 1, the bypass pipe section comprises a first vertical bypass pipe section 12, a second vertical bypass pipe section 13, a third vertical bypass pipe section 14 and a horizontal bypass pipe section 15, an auxiliary filter 16 is arranged on the horizontal bypass pipe section 15, the first vertical bypass pipe section 12 connects the air inlet ends of the main filter 2 and the auxiliary filter 16, the second vertical bypass pipe section 13 connects the air outlet ends of the main filter 2 and the auxiliary filter 16, and the third vertical bypass pipe section 14 connects the air outlet end of the main pipe section 1 with the air outlet end of the horizontal bypass pipe section 15.
Because the calorific value of water gas and the gas supply pressure are lower (compared with the natural gas of 350KPa of a gas company), the pipe diameter with larger caliber is adopted as a gas supply pipeline to ensure enough and stable supply quantity, meanwhile, valve parts such as ball valves, gate valves and the like are abandoned, and the safe and flexible wafer type manual sealing butterfly valve 17 is adopted for switching; for the wafer type manual sealing butterfly valve 17 arranged on the main pipe section 1, the wafer type manual sealing butterfly valve is respectively arranged on the left side of the electric butterfly valve 3, the left side and the right side of the connecting part of the second vertical bypass pipe section 13 and the main pipe section 1 and the right side of the main filter 2; and as for the clamping type manual sealing butterfly valves 17 arranged on the bypass pipe sections, the clamping type manual sealing butterfly valves are respectively arranged on the second vertical bypass pipe section 13, the right side of the secondary filter 16 and the right side of the third vertical bypass pipe section 14. The main pipe section 1 is provided with a bend section 22, and due to the large pipe diameter, the metering device also adopts a bend flowmeter 18 for measuring the differential pressure at the pipe bend, and the bend flowmeter is arranged on the bend section 22.
Preferably, a plurality of layers of dense stainless steel filter elements are arranged in the main filter 2 and the secondary filter 16. Aiming at the impurities such as dust (coal powder), tar and the like in the water gas, a plurality of layers of dense stainless steel filter elements are used for filtering, and the water gas is cleaned and removed after a certain time interval, and the water gas is continuously supplied to the kiln for operation through a bypass in the cleaning process. The bottoms of the main filter 2 and the sub-filter 16 are connected to the water collecting pipe 8. The bottoms of the first vertical bypass pipe section 12 and the third vertical bypass pipe section 14 are lower than the bottom of the transverse bypass pipe section 15, and the bottoms of the first vertical bypass pipe section 12 and the third vertical bypass pipe section 14 are connected with the water collecting pipe 8, so that condensed water in water gas sent to the kiln is reduced as much as possible. The water collecting pipe 8 is connected into a gas sealing tank 19, and an overflow valve 20 is arranged on the gas sealing tank 19. And a water-permeable barrier is arranged in the gas sealing tank 19 and is used for increasing the resistance of liquid flowing through and balancing the pressure of water gas in the system.
As shown in fig. 3, 5 and 6, the gas distribution pipe group is used for distributing the water gas treated by the pressure stabilizing filter pipe group to each burner 37 of the kiln; the gas distribution pipe group comprises a main gas pipe 31, a combustion control pipe group 32, a gas distribution transverse pipe 33, a gas distribution longitudinal pipe 34, a burner branch gas pipe 35 and a burner gas filtering mechanism 36 which are connected in sequence, and the burner gas filtering mechanism 36 is connected with a burner 37 and supplies water gas for the burner 37; the combustion control pipe group 32 is positioned below the main gas pipe 31, the gas distribution transverse pipe 33 is positioned above the combustion control pipe group 32, and the gas supplied by the main gas pipe 31 is downwards introduced into the combustion control pipe group 32 and then upwards introduced into the gas distribution transverse pipe 33. The main gas pipe 31 is connected to the main pipe section 1. Preferably, each gas distribution longitudinal pipe 34 supplies gas to 4 burners 37 located at the same height below the gas distribution longitudinal pipe, and the combustion control pipe group 32 simultaneously controls the gas supply amount of 8 corresponding burners 37. Thereby dividing the kiln into a plurality of temperature control intervals.
The combustion control pipe group 32 is used for automatically controlling the gas supply of the burners 37 in the group, and comprises a combustion pipe group falling main pipe 321 and a combustion control group outlet pipe 322 which are connected with the main gas pipe 31, wherein an electric regulating valve 323 and a pneumatic cut-off valve 324 are arranged on the combustion control group outlet pipe 322. The valve core is sucked to ventilate under the electromagnetic action after the natural gas automatic gas-closing common electromagnetic valve is electrified, but if the valve core is corroded, the valve core is easily blocked, and when the natural gas automatic gas-closing common electromagnetic valve needs to be closed, the elastic force of the spring cannot push the valve core to stop gas. Aiming at corrosive materials such as sulfur dioxide and water in water gas, the solenoid valve is abandoned, each combustion control group adopts a pneumatic stop valve 324, and when the kiln is stopped or other reasons need to stop gas, the power is cut off, so that the use safety of the kiln and the burner 37 is ensured. All the valves are sealed by adopting polytetrafluoroethylene linings, so that the valve is corrosion-resistant, durable, safe and reliable.
In order to further intercept moisture in the water gas, referring to fig. 4, the burner branch pipe 35 includes an upper bent pipe section 351 connected to the gas distribution longitudinal pipe 34, a lower bent pipe section 352 formed by bending downward from the upper bent pipe section 351, and a downward extending pipe section 353 connected to the lower bent pipe section 352. The water gas combustion control tube set 32 controls the flow and returns to the kiln top through the gas distribution longitudinal tube 34, and the upward bent tube section 351 of the burner branch tube 35 creates a barrier to the flow of water gas, leaving water gas and water droplets in the gas distribution longitudinal tube 34.
The bottom end of the combustion pipe group falling main pipe 321, the bottom of the gas distribution longitudinal pipe 34 and the bottom of the burner gas filtering mechanism 36 are connected with a water discharge control valve 38 and a water discharge pipe 39, and the water discharge pipe 39 is connected with the water discharge control valve 38. The water vapor collected at the bottom of the main falling pipe 321 of the combustion pipe group, the bottom of the gas distribution longitudinal pipe 34 and the bottom of the burner gas filtering mechanism 36 can be intensively drained to a water collecting pipe at the bottom of the kiln body through a water drainage pipe for centralized treatment.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims (10)

1. An energy-saving and clean water gas combustion pipeline structure is characterized by comprising a pressure stabilizing filter pipe group and a fuel gas distribution pipe group,
the pressure stabilizing filter pipe group is used for stabilizing and filtering water gas supplied by a gas station;
the gas distribution pipe group is used for distributing the water gas treated by the pressure stabilizing filter pipe group to each burner of the kiln;
the gas distribution pipe group comprises a main gas pipe, a combustion control pipe group, a gas distribution transverse pipe, a gas distribution longitudinal pipe, a burner branch gas pipe and a burner gas filtering mechanism which are connected in sequence, and the burner gas filtering mechanism is connected with the burner and supplies water gas for the burner; the combustion control pipe group is positioned below the main combustion gas pipe, the gas distribution transverse pipe is positioned above the combustion control pipe group, and the gas supplied by the main combustion gas pipe is introduced into the combustion control pipe group downwards and then introduced into the gas distribution transverse pipe upwards.
2. The water gas combustion pipeline structure according to claim 1, wherein the combustion control pipe group is used for automatically controlling the supply of fuel gas of the burners in the group, and comprises a main pipe for the falling of the combustion pipe group connected with the main fuel gas pipe and an outlet pipe for the combustion control group, and an electric regulating valve and a pneumatic stop valve are arranged on the outlet pipe for the combustion control group.
3. The water gas combustion pipe structure according to claim 2, wherein the burner branch pipe comprises an upper bent pipe section connected to the gas distribution longitudinal pipe, a lower bent pipe section formed by bending downward from the upper bent pipe section, and a downward extending pipe section connected to the lower bent pipe section.
4. The water-gas combustion pipeline structure according to claim 2 or 3, wherein the bottom end of the main pipe for the falling of the combustion pipe group, the bottom of the longitudinal gas distribution pipe and the bottom of the burner gas filtering mechanism are connected with a water discharge control valve and a water discharge pipe.
5. The water gas combustion pipe structure according to claim 1, wherein each gas distribution longitudinal pipe supplies gas to 4 burners located at the same height therebelow, and the combustion control pipe group simultaneously controls the gas supply amount of 8 corresponding burners.
6. The water gas combustion pipe structure according to claim 1, wherein the pressure-stabilizing filter pipe group includes
The main pipe section is provided with a main filter and an electric butterfly valve, the main filter is used for filtering dust, tar and water vapor in the water gas, and the electric butterfly valve is used for controlling the circulation diameter of the main pipe section to play a role in pressure regulation and pressure reduction;
the water sinking tank is arranged at the front end of the main pipe section;
the water discharge pipe is arranged at the bottom of the water sedimentation tank; the water discharge pipe is sequentially connected with a gas sealing pipe, an overflow pipe and a water collecting pipe; the air sealing pipe is a vertically arranged pipeline, and the overflow pipe is connected to a preset height of the air sealing pipe.
7. The water gas combustion pipe structure according to claim 6, wherein the main pipe section is further provided with a high pressure gauge and a low pressure gauge, which are respectively provided on the inlet side and the outlet side of the main filter.
8. The water gas combustion pipe structure according to claim 7, wherein the main pipe section is further provided with a pneumatic cut-off valve and a bypass pipe section, and the pneumatic cut-off valve is arranged on the air inlet side of the electric butterfly valve;
the bypass pipe section comprises a first vertical bypass pipe section, a second vertical bypass pipe section, a third vertical bypass pipe section and a horizontal bypass pipe section, wherein an auxiliary filter is arranged on the horizontal bypass pipe section, the first vertical bypass pipe section connects the feeding ends of the main filter and the auxiliary filter, the second vertical bypass pipe section connects the discharging ends of the main filter and the auxiliary filter, and the third vertical bypass pipe section connects the gas outlet of the main pipe section with the gas outlet of the horizontal bypass pipe section.
9. The water gas combustion pipe structure according to claim 8, wherein the bottoms of the primary filter and the secondary filter are connected to a water collecting pipe; the bottoms of the first vertical bypass pipe section and the third vertical bypass pipe section are lower than the bottoms of the transverse bypass pipe sections, and the bottoms of the first vertical bypass pipe section and the third vertical bypass pipe section are connected with the water collecting pipe.
10. The water gas combustion pipe structure as claimed in claim 9, wherein the water collecting pipe is connected to a gas-sealed tank, and an overflow valve is provided on the gas-sealed tank.
CN201822276642.0U 2018-12-30 2018-12-30 Energy-saving and clean water gas combustion pipeline structure Active CN210128364U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822276642.0U CN210128364U (en) 2018-12-30 2018-12-30 Energy-saving and clean water gas combustion pipeline structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822276642.0U CN210128364U (en) 2018-12-30 2018-12-30 Energy-saving and clean water gas combustion pipeline structure

Publications (1)

Publication Number Publication Date
CN210128364U true CN210128364U (en) 2020-03-06

Family

ID=69660829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822276642.0U Active CN210128364U (en) 2018-12-30 2018-12-30 Energy-saving and clean water gas combustion pipeline structure

Country Status (1)

Country Link
CN (1) CN210128364U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109681901A (en) * 2018-12-30 2019-04-26 佛山市德力泰科技有限公司 A kind of water-gas burning pipeline structure
CN109681901B (en) * 2018-12-30 2024-05-14 佛山市德力泰科技有限公司 Energy-saving and clean water gas combustion pipeline structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109681901A (en) * 2018-12-30 2019-04-26 佛山市德力泰科技有限公司 A kind of water-gas burning pipeline structure
CN109681901B (en) * 2018-12-30 2024-05-14 佛山市德力泰科技有限公司 Energy-saving and clean water gas combustion pipeline structure

Similar Documents

Publication Publication Date Title
CN100443847C (en) Tube type heating furnace
US9410096B2 (en) Method and system for cooling and washing biomass syngas
CN104153743B (en) Oil well cleaning device with sump oil and sewage recycling function
CN210128364U (en) Energy-saving and clean water gas combustion pipeline structure
CN209840150U (en) Efficient pressure-stabilizing filtering valve set for water gas fuel
CN109681901B (en) Energy-saving and clean water gas combustion pipeline structure
CN212806484U (en) RTL-340/450-12 tunnel type circulating push plate activation furnace
KR20110027306A (en) System for collecting hamful material of coke oven gas pipe
CN208911683U (en) Gas discharging apparatus in a kind of waste mineral oil purification process
CN207196916U (en) A kind of environmental protection energy-saving boiler
JP6131641B2 (en) Coke oven gas recovery method
CN113909288B (en) Efficient and energy-saving heap construction thermal desorption device for organic contaminated soil remediation
CN202002526U (en) Heat pipe exchanger
CN109681902B (en) Pressure stabilizing filter valve group for water gas fuel
CN211726938U (en) Soil ex-situ remediation thermal desorption device
CN204717648U (en) A kind of modular afterheat boiler
CN204400922U (en) A kind of biomass gasification burning is for the device of annealing furnace
CN1053255A (en) Thermal oil fusing and water back anti-corrosion asphalt method and apparatus
CN205241617U (en) U -shaped pipe coal gas cleaning device
CN109681901A (en) A kind of water-gas burning pipeline structure
CN103968674A (en) Medium and low temperature smoke online pre-ash-removal device of rotary hearth furnace
CN109967005A (en) A kind of reacting furnace using coke-stove gas fluidized bed acid regeneration process
CN117229800B (en) Semi-coke production device
RU42298U1 (en) OIL EMULSION HEATER
CN211726939U (en) External heat double-position spiral type drying roasting kiln for soil ex-situ remediation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant