CN210127218U - High-safety gasification furnace - Google Patents
High-safety gasification furnace Download PDFInfo
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- CN210127218U CN210127218U CN201921064867.8U CN201921064867U CN210127218U CN 210127218 U CN210127218 U CN 210127218U CN 201921064867 U CN201921064867 U CN 201921064867U CN 210127218 U CN210127218 U CN 210127218U
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- Y—GENERAL 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
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Abstract
The utility model discloses a gasifier of high security, its technical scheme main points are: including cascaded heat preservation heat energy furnace body, still include: the distributor comprises a plurality of distributor assemblies which are arranged in a stacked manner, wherein the distributor assemblies are stacked together into a tower shape with a small upper part and a big lower part, and the distributor assemblies are fixed into a whole through a distributor fixing support; the gasification agent inlet main pipe extends into the stepped heat-preservation heat energy furnace body from the bottom of the stepped heat-preservation heat energy furnace body, the gasification agent inlet main pipe is vertically arranged, a plurality of gasification agent inlet branch pipes are communicated with the gasification agent inlet main pipe, the other ends of the plurality of gasification agent inlet branch pipes are respectively connected to the distributor assemblies, and gasification agent uniform distribution hole rings are respectively arranged on the plurality of distributor assemblies; the cooling water supply pipe is used for cooling, and one end of the cooling water supply pipe is positioned outside the gasification furnace; the gasification furnace has higher safety and energy utilization rate.
Description
Technical Field
The utility model relates to a gasification furnace, in particular to a high-safety gasification furnace.
Background
The biomass gasification furnace is key equipment for realizing the harmless treatment of garbage. Coal gasification refers to a process of thermochemically processing coal with a gasifying agent at a certain temperature and pressure to convert organic matters in the coal into coal gas. The meaning is a multi-phase reaction process which takes coal, semi-coke or coke as raw materials and takes air, oxygen-enriched air, water vapor, carbon dioxide or hydrogen as gasification media to lead the coal to be subjected to partial oxidation and reduction reaction and convert substances containing carbon, hydrogen and the like into gas products mainly containing combustible components such as carbon monoxide, hydrogen, methane and the like. The gas product is further processed to prepare other gas, liquid combustion materials or chemical products. The gasification furnaces in the prior art are designed to produce and supply fuel gas for use as a fuel for various specific purposes after combustion.
In order to realize the full recovery of gasification waste heat, the existing gasification furnace is provided with a radiation waste boiler and a convection waste boiler on the basis of a gasification device, and the added two sets of heat recovery devices greatly increase the complexity and the investment cost of equipment and reduce the running stability of the gasification device; in addition, the existing gasification furnace has certain safety problems, for example, when the system equipment is powered off accidentally, the gasification reaction of the materials in the gasification furnace continues low-load reaction and releases heat, the normal circulation of the refrigerant water is stopped, and the furnace body and the equipment in the furnace cannot be protected.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the background art, the utility model aims at providing a gasifier to solve the problem mentioned in the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a gasifier of high security, includes cascaded heat preservation heat energy furnace body, still includes:
the distributor comprises a plurality of distributor assemblies which are arranged in a stacked manner, wherein the distributor assemblies are stacked together into a tower shape with a small upper part and a big lower part, and the distributor assemblies are fixed into a whole through a distributor fixing support;
the gasification agent inlet main pipe extends into the stepped heat-preservation heat energy furnace body from the bottom of the stepped heat-preservation heat energy furnace body, the gasification agent inlet main pipe is vertically arranged, a plurality of gasification agent inlet branch pipes are communicated with the gasification agent inlet main pipe, the other ends of the plurality of gasification agent inlet branch pipes are respectively connected to the distributor assemblies, and gasification agent uniform distribution hole rings are respectively arranged on the plurality of distributor assemblies;
the system comprises a gasification furnace, a cold coal water supply pipe, a distributor assembly and a plurality of cold coal water supply pipes, wherein the cold coal water supply pipe is used for cooling, one end of the cold coal water supply pipe is positioned outside the gasification furnace, the other end of the cold coal water supply pipe penetrates through a gasification agent inlet main pipe to extend into the gasification furnace and extend into the distributor assembly positioned at the top, and the distributor assemblies are also mutually communicated with an overflow water return pipe;
and a refrigerant water and heat energy recovery system arranged in the stepped heat-preservation heat energy furnace body.
By adopting the technical scheme, the gasifier can perform a cooling function on the distributor assembly by conveying cooling water into the distributor assembly through the refrigerant water pipe, the arranged overflow pipe can discharge the cooling water in the distributor assembly when the cooling water overflows, the gasification rate can be accelerated by arranging the tower-shaped distributor assembly, and the safety of the gasifier can be improved; by utilizing the refrigerant water and the heat energy recovery system, the heat loss is less when the gasification furnace is in a normal operation state, and the comprehensive heat energy utilization efficiency is high; and because the gasification efficiency of the gasification furnace is improved, the influence of material friction on the loss of the equipment can be reduced, the service life of the equipment is prolonged, and the workload of equipment maintenance is reduced.
Preferably, the refrigerant water and heat energy recovery system comprises a cooling circulation water pipe, an emergency electromagnetic valve, a refrigerant circulation chamber and a hot water overflow recovery pipeline, wherein one end of the cooling circulation water pipe is communicated with the refrigerant water supply pipe, the refrigerant circulation chamber is arranged in the stepped heat-preservation heat energy furnace body, one end of the cooling circulation water pipe, which is far away from the refrigerant water supply pipe, is communicated with the inside of the refrigerant circulation chamber, the emergency electromagnetic valve is arranged on the cooling circulation water pipe, and one end of the hot water overflow recovery pipeline is communicated with the refrigerant circulation chamber in the stepped heat-preservation heat energy furnace body.
By adopting the technical scheme, when the emergency electromagnetic valve is opened, the cooling water in the refrigerant water supply pipe flows into the refrigerant circulating cavity from the cooling circulating water pipe to carry out heat dissipation protection on the stepped heat-preservation heat energy furnace body, and the overflowing hot water can be discharged by utilizing the hot water overflow recovery pipeline when the hot water in the refrigerant circulating cavity overflows.
Preferably, the bottom of the stepped heat-preservation heat energy furnace body is provided with an embedded groove, a water-sealed ash discharging disc is arranged in the embedded groove, and the water-sealed ash discharging disc comprises a rectangular ring part located on the bottom surface inside the stepped heat-preservation heat energy furnace body and a trapezoidal ring part located on the side surface of the stepped heat-preservation heat energy furnace body.
Through adopting above-mentioned technical scheme, utilize water seal formula ash tray to seal and keep apart dust and impurity in the air.
Preferably, the top of the stepped heat-preservation heat energy furnace body is detachably connected with an inward extending feeding pipe, the inward extending feeding pipe comprises a straight pipe part and a conical pipe part, and the conical pipe part is located below the straight pipe part and integrally formed with the straight pipe part.
Through adopting above-mentioned technical scheme, the formula of stretching in is convenient for form effective gas column in the material passageway, keeps apart and slowly releases the gas, reduces excessive, closes up in order to reduce gas escape passageway, material and avoid the inclined to one side material placed in the middle.
Preferably, the stepped heat-preservation heat energy furnace body comprises a furnace body low-temperature outer heat preservation section positioned at the upper part, a furnace body circulating heat energy recovery water cooling section positioned at the middle part and a furnace body wear-resistant energy storage heat preservation section positioned at the lower part.
Through adopting above-mentioned technical scheme, can maintain the low temperature environment of cascaded heat preservation heat energy furnace body middle and upper portion, be located the furnace body circulation heat recovery water cooling section at middle part and can carry out the water-cooling circulation through setting up the outer heat preservation section of furnace body low temperature, the wear-resisting energy storage heat preservation section of furnace body that is located the lower part can reduce the heat and run off, guarantees the required high temperature of oxidation layer and reduction bed in the stove, improves gasification efficiency.
Preferably, a gas discharge branch pipe communicated with the inside of the low-temperature outer heat preservation section of the furnace body is arranged on the side edge of the low-temperature outer heat preservation section of the stepped heat preservation heat energy furnace body, a flange plate is fixed at the end part of the gas discharge branch pipe, and a plurality of threaded holes are formed in the flange plate.
Through adopting above-mentioned technical scheme, utilize the ring flange of gas exhaust branch pipe department can conveniently connect the gas pipeline.
Preferably, temperature sensors are arranged in the furnace body low-temperature external heat preservation section, the furnace body circulating heat energy recovery water cooling section and the furnace body wear-resistant energy storage heat preservation section in the stepped heat preservation heat energy furnace body.
Through adopting above-mentioned technical scheme, temperature sensor can realize monitoring furnace body low temperature outer heat preservation section, furnace body circulation heat recovery water-cooling section and the temperature of the wear-resisting energy storage heat preservation section of furnace body.
To sum up, the utility model discloses mainly have following beneficial effect:
the gasification furnace can perform a cooling function on the distributor assembly by conveying cooling water into the distributor assembly through the refrigerant water pipe, the arranged overflow pipe can discharge the cooling water in the distributor assembly when the cooling water overflows, the gasification rate can be accelerated by arranging the tower-shaped distributor assembly, and the safety of the gasification furnace can be improved; by utilizing the refrigerant water and the heat energy recovery system, the heat loss is less when the gasification furnace is in a normal operation state, and the comprehensive heat energy utilization efficiency is high; and because the gasification efficiency of the gasification furnace is improved, the influence of material friction on the loss of the equipment can be reduced, the service life of the equipment is prolonged, and the workload of equipment maintenance is reduced.
Drawings
FIG. 1 is a sectional view showing the structure of a high-safety gasification furnace;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a schematic diagram showing the structure of the distributor assembly.
Reference numerals: 1. a stepped heat-preserving heat energy furnace body; 2. a distributor assembly; 3. a distributor fixing bracket; 4. a gasification agent inlet main pipe; 5. a gasification agent inlet branch pipe; 6. uniformly distributing a gasification agent in a perforated ring; 7. a refrigerant feed pipe; 8. an overflow return pipe; 9. cooling the circulating water pipe; 10. an emergency electromagnetic valve; 11. a refrigerant circulation chamber; 12. a hot water overflow recovery pipe; 13. embedding the groove; 14. a water-sealed ash discharging disc; 15. extending the feed pipe inwards; 151. a straight tube portion; 152. a conical tube portion; 16. a low-temperature external heat-preservation section of the furnace body; 17. a furnace body circulating heat energy recycling water cooling section; 18. a wear-resistant energy-storage heat-preservation section of the furnace body; 19. a gas discharge branch pipe; 20. a flange plate; 21. a threaded hole; 22. a temperature sensor.
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.
Referring to fig. 1 to 3, a high-safety gasification furnace includes a stepped heat-preserving heat furnace body 1, and further includes: six distributor assemblies 2 are stacked, the six distributor assemblies 2 are stacked together to form a tower shape with a small upper part and a big lower part, and the six distributor assemblies 2 are fixed into a whole through distributor fixing supports 3; a gasification agent inlet main pipe 4 extending into the stepped heat-preservation heat energy furnace body 1 from the bottom of the stepped heat-preservation heat energy furnace body 1 is further arranged in the stepped heat-preservation heat energy furnace body 1, wherein the gasification agent inlet main pipe 4 is vertically arranged, twelve gasification agent inlet branch pipes 5 are communicated with the gasification agent inlet main pipe 4, the other ends of every two gasification agent inlet branch pipes 5 are respectively connected to the distributor assemblies 2, and the six distributor assemblies 2 are respectively provided with a gasification agent uniform distribution hole ring 6; meanwhile, a refrigerant water supply pipe 7 for cooling is also arranged in the stepped heat-preservation heat energy furnace body 1, wherein one end of the refrigerant water supply pipe is positioned outside the gasification furnace, the other end of the refrigerant water supply pipe 7 penetrates through the gasification agent inlet header pipe 4 to extend into the gasification furnace and extend into the distributor assemblies 2 positioned at the top, and the six distributor assemblies 2 are also mutually communicated with overflow return pipes 8; meanwhile, a refrigerant water and heat energy recovery system is arranged in the stepped heat-preservation heat energy furnace body 1; through the arrangement, the gasification furnace can perform a cooling function on the distributor assembly 2 by conveying cooling water into the distributor assembly 2 through the refrigerant water pipe, the arranged overflow pipe can discharge the cooling water in the distributor assembly 2 when the cooling water overflows, the gasification rate can be accelerated by arranging the tower-shaped distributor assembly 2, and the safety of the gasification furnace can be improved; by utilizing the refrigerant water and the heat energy recovery system, the heat loss is less when the gasification furnace is in a normal operation state, and the comprehensive heat energy utilization efficiency is high; and because the gasification efficiency of the gasification furnace is improved, the influence of material friction on the loss of the equipment can be reduced, the service life of the equipment is prolonged, and the workload of equipment maintenance is reduced.
Referring to fig. 1 to 3, the refrigerant water and heat energy recovery system includes a cooling circulation water pipe 9, an emergency solenoid valve 10, a refrigerant circulation chamber 11 and a hot water overflow recovery pipeline 12, one end of the cooling circulation water pipe 9 is communicated with the refrigerant water supply pipe 7, the refrigerant circulation chamber 11 is arranged in the stepped heat-preservation heat energy furnace body 1, one end of the cooling circulation water pipe 9 far away from the refrigerant water supply pipe 7 is communicated with the inside of the refrigerant circulation chamber 11, the emergency solenoid valve 10 is arranged on the cooling circulation water pipe 9, one end of the hot water overflow recovery pipeline 12 is communicated with the refrigerant circulation chamber 11 in the stepped heat-preservation heat energy furnace body 1, when the emergency electromagnetic valve 10 is opened, the cooling water in the coolant water supply pipe 7 flows into the coolant circulating chamber 11 from the cooling circulating water pipe 9 to perform heat dissipation protection on the stepped heat-preservation heat energy furnace body 1, and the hot water overflowing and recovering pipe 12 can discharge the overflowing hot water when the hot water overflowing the refrigerant circulation chamber 11.
Referring to fig. 1 to 3, in order to achieve the effect of sealing the bottom of the stepped heat-insulating heat-energy furnace body 1, an embedded groove 13 is formed in the bottom of the stepped heat-insulating heat-energy furnace body 1, a water-sealed ash discharging tray 14 is arranged in the embedded groove 13, the water-sealed ash discharging tray 14 comprises a rectangular ring portion located on the bottom surface inside the stepped heat-insulating heat-energy furnace body 1 and a trapezoidal ring portion located on the side surface of the stepped heat-insulating heat-energy furnace body 1, and dust and impurities in the air can be sealed and isolated by using the water-sealed ash discharging tray 14; in order to facilitate feeding, the inner extending feeding pipe 15 is detachably connected to the top of the stepped heat-preservation heat energy furnace body 1, the inner extending feeding pipe 15 comprises a straight pipe portion 151 and a taper pipe portion 152, the taper pipe portion 152 is located below the straight pipe portion 151 and integrally formed with the straight pipe portion 151, an effective gas column is formed in a material channel conveniently in an inner extending mode, gas is isolated and slowly released, overflow is reduced, and the opening is closed to reduce a gas escape channel and prevent material deflection in the middle.
Referring to fig. 1 to 3, the stepped heat-preserving heat-energy furnace body 1 includes an upper furnace body low-temperature external heat-preserving section 16, a middle furnace body circulating heat-energy-recovering water-cooling section 17 and a lower furnace body wear-resistant energy-storing heat-preserving section 18, the furnace body low-temperature external heat-preserving section 16 can maintain the low-temperature environment of the middle upper part of the stepped heat-preserving heat-energy furnace body 1, the middle furnace body circulating heat-energy-recovering water-cooling section 17 can perform water-cooling circulation, the lower furnace body wear-resistant energy-storing heat-preserving section 18 can reduce heat loss, ensure the high temperature required by an oxidation layer and a reduction layer in the furnace; the side edge of the furnace body low-temperature outer heat preservation section 16 in the stepped heat preservation heat energy furnace body 1 is provided with a gas discharge branch pipe 19 which is mutually communicated with the interior of the furnace body low-temperature outer heat preservation section 16, the end part of the gas discharge branch pipe 19 is fixed with a flange plate 20, the flange plate 20 is provided with four threaded holes 21, and the flange plate 20 at the position of the gas discharge branch pipe 19 can be conveniently connected with a gas pipeline; in order to detect the temperature in real time, temperature sensors 22 are arranged in the furnace body low-temperature outer heat preservation section 16, the furnace body circulating heat energy recovery water cooling section 17 and the furnace body wear-resistant energy storage heat preservation section 18 in the stepped heat preservation heat energy furnace body 1, and the temperature sensors 22 can monitor the temperature of the furnace body low-temperature outer heat preservation section 16, the furnace body circulating heat energy recovery water cooling section 17 and the furnace body wear-resistant energy storage heat preservation section 18.
The temperature sensor 22 may be a T22 series resistance temperature sensor manufactured by Shanghai Weilian electronic technology.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a gasifier of high security, includes cascaded heat preservation heat energy furnace body (1), its characterized in that: further comprising:
the distributor comprises a plurality of distributor assemblies (2) which are arranged in a stacked manner, wherein the distributor assemblies (2) are stacked together into a tower shape with a small upper part and a big lower part, and the distributor assemblies (2) are fixed into a whole through distributor fixing supports (3);
the gasification agent inlet main pipe (4) extends into the stepped heat-preservation heat energy furnace body (1) from the bottom of the stepped heat-preservation heat energy furnace body (1), the gasification agent inlet main pipe (4) is vertically arranged, the gasification agent inlet main pipe (4) is communicated with a plurality of gasification agent inlet branch pipes (5), the other ends of the plurality of gasification agent inlet branch pipes (5) are respectively connected to the distributor assemblies (2), and the plurality of distributor assemblies (2) are respectively provided with a gasification agent uniform distribution hole ring (6);
a coolant water supply pipe (7) for cooling, wherein one end of the coolant water supply pipe is positioned outside the gasification furnace, the other end of the coolant water supply pipe (7) penetrates through the gasification agent inlet main pipe (4) to extend into the gasification furnace and extend into the distributor component (2) positioned at the top, and the distributor components (2) are also mutually communicated with an overflow water return pipe (8);
and a refrigerant water and heat energy recovery system arranged in the stepped heat-preservation heat energy furnace body (1).
2. The high-safety gasification furnace according to claim 1, wherein: the refrigerant water and heat energy recovery system comprises a cooling circulation water pipe (9), an emergency electromagnetic valve (10), a refrigerant circulation chamber (11) and a hot water overflow recovery pipeline (12), wherein one end of the cooling circulation water pipe (9) is communicated with a refrigerant water supply pipe (7), the refrigerant circulation chamber (11) is arranged in the stepped heat-preservation heat energy furnace body (1), the cooling circulation water pipe (9) is far away from one end of the refrigerant water supply pipe (7) and the inside of the refrigerant circulation chamber (11) are communicated with each other, the emergency electromagnetic valve (10) is arranged on the cooling circulation water pipe (9), and one end of the hot water overflow recovery pipeline (12) is communicated with the refrigerant circulation chamber (11) in the stepped heat-preservation heat energy furnace body (1).
3. The high-safety gasification furnace according to claim 1, wherein: the bottom of cascaded heat preservation heat energy furnace body (1) has been seted up and has been embedded recess (13), be provided with water seal formula ash tray (14) in embedding recess (13), water seal formula ash tray (14) is including being located the rectangle ring portion of the inside bottom surface of cascaded heat preservation heat energy furnace body (1) and being located the trapezoidal ring portion of cascaded heat preservation heat energy furnace body (1) side.
4. The high-safety gasification furnace according to claim 1, wherein: the top of cascaded heat preservation heat energy furnace body (1) is dismantled and is connected with interior filling tube (15) that stretches, interior filling tube (15) that stretches includes straight tube portion (151) and taper pipe portion (152), taper pipe portion (152) are located the below of straight tube portion (151) and with straight tube portion (151) integrated into one piece.
5. The high-safety gasification furnace according to claim 1, wherein: the stepped heat-preservation heat energy furnace body (1) comprises a furnace body low-temperature outer heat preservation section (16) positioned at the upper part, a furnace body circulating heat energy recovery water cooling section (17) positioned at the middle part and a furnace body wear-resistant energy storage heat preservation section (18) positioned at the lower part.
6. The high-safety gasification furnace according to claim 5, wherein: the stepped heat-preservation heat energy furnace body (1) is characterized in that the side edge of the outer heat-preservation section (16) at the low temperature of the furnace body is provided with a gas discharge branch pipe (19) communicated with the inside of the outer heat-preservation section (16) at the low temperature of the furnace body, the end part of the gas discharge branch pipe (19) is fixed with a flange plate (20), and the flange plate (20) is provided with a plurality of threaded holes (21).
7. The high-safety gasification furnace according to claim 5, wherein: and temperature sensors (22) are arranged in the furnace body low-temperature outer heat preservation section (16), the furnace body circulating heat energy recovery water cooling section (17) and the furnace body wear-resistant energy storage heat preservation section (18) in the stepped heat preservation heat energy furnace body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064867.8U CN210127218U (en) | 2019-07-09 | 2019-07-09 | High-safety gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921064867.8U CN210127218U (en) | 2019-07-09 | 2019-07-09 | High-safety gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210127218U true CN210127218U (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921064867.8U Active CN210127218U (en) | 2019-07-09 | 2019-07-09 | High-safety gasification furnace |
Country Status (1)
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|---|---|
| CN (1) | CN210127218U (en) |
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2019
- 2019-07-09 CN CN201921064867.8U patent/CN210127218U/en active Active
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