CN214990306U - High-efficiency energy saver for urea-ammonia conversion system - Google Patents
High-efficiency energy saver for urea-ammonia conversion system Download PDFInfo
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- CN214990306U CN214990306U CN202120702100.4U CN202120702100U CN214990306U CN 214990306 U CN214990306 U CN 214990306U CN 202120702100 U CN202120702100 U CN 202120702100U CN 214990306 U CN214990306 U CN 214990306U
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- pipe
- urea
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- water tank
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- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 19
- 239000004202 carbamide Substances 0.000 claims abstract description 36
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000000197 pyrolysis Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 230000010405 clearance mechanism Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 25
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 11
- 235000019504 cigarettes Nutrition 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 239000003546 flue gas Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- -1 graphite alkene Chemical class 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Treating Waste Gases (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a high-efficient energy-saving appliance for among urea-ammonia conversion system, including placing the platform, the top of placing the platform is fixed with the pyrolysis oven, the top of placing the platform is fixed with the draught fan, the air outlet of draught fan is through the top intercommunication of roll over pipe with the pyrolysis oven, the top of placing the platform is fixed with the cartridge filter, the right side of cartridge filter is through the air intake intercommunication even pipe with the draught fan, the left side intercommunication of cartridge filter has the boiler connecting pipe, the inner wall of cartridge filter is fixed with the ash blocking net, be provided with clearance mechanism on the cartridge filter, it is provided with urea guiding-in mechanism to place the bench, it still is provided with heat recovery mechanism to place the bench, the utility model relates to an ammonia plant technical field. This a high-efficient energy-saving appliance for among urea-ammonia conversion system through the setting of clearance mechanism, is convenient for clear up the cigarette ash on the ash blocking net, prevents that cigarette ash from blockking up the ash blocking net, and then prevents that each pipeline from blockking up.
Description
Technical Field
The utility model relates to the technical field of ammonia production equipment, in particular to a high-efficiency energy saver for a urea-ammonia conversion system.
Background
The urea is adopted in a power plant to prepare a reducing agent ammonia gas for denitration. The urea pyrolysis is one of the most main ammonia preparation, and the currently adopted general urea pyrolysis process has the main route that cold (hot) primary air is heated to about 650 ℃ through an electric heater or diesel oil and natural gas to be used as a urea pyrolysis and heat source, so that the energy consumption and the operation cost are high.
According to patent number CN204369580U a urea pyrolysis system ammonia system, including high temperature dust remover, temperature regulation apparatus, pyrolysis oven, set up the high temperature fan between high temperature dust remover and pyrolysis oven, temperature regulation apparatus's export makes cold wind and high temperature flue gas mix on being connected to the flue gas pipe of high temperature fan export through the cold wind pipe, and the high temperature dust remover that this urea pyrolysis system ammonia system used uses has been of a specified duration, is not convenient for clear up the ash layer in the flue gas, and urea directly spouts into in the pyrolysis oven for urea can not fully decompose, causes the waste of urea, and the energy in the surplus high temperature flue gas can not reach recycle, consequently, the utility model provides a high efficiency energy saving ware for among the urea-ammonia conversion system to solve the problem of the aforesaid mentioning.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the utility model provides a high efficiency energy saver for among urea-ammonia conversion system has solved and has been not convenient for clear up the ash bed in the flue gas, and urea directly spouts into the pyrolysis oven for urea can not fully decompose, causes the urea extravagant, and the energy in the surplus high temperature flue gas can not obtain recycle's problem.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a high-efficient energy-saving appliance for among urea-ammonia conversion system, is including placing the platform, the top of placing the platform is fixed with the pyrolysis oven, the top of placing the platform is fixed with the draught fan, the air outlet of draught fan is through the top intercommunication of roll over pipe with the pyrolysis oven, the top of placing the platform is fixed with the cartridge filter, the right side of cartridge filter is through the air intake intercommunication of even pipe with the draught fan, the left side intercommunication of cartridge filter has the boiler connecting pipe, the inner wall of cartridge filter is fixed with the ash blocking net, be provided with clearance mechanism on the cartridge filter, it is provided with urea guiding-in mechanism to place the bench, it still is provided with heat recovery mechanism to place the bench.
Preferably, clearance mechanism is including rotating the connection at the left drive shaft of ash blocking net, the both sides on drive shaft surface all are fixed with rotor blade, two rotor blade's right side all is fixed with the cleaning brush needle, the surface of cleaning brush needle and the left side contact of ash blocking net, the below intercommunication on cartridge filter surface has the ash discharge pipe, the bottom of ash discharge pipe is run through and is placed the platform and extend to the below of placing the platform, the fixed surface of ash discharge pipe has the discharge valve, the top on cartridge filter surface is fixed with vibrating motor.
Preferably, the urea introducing mechanism comprises a urea box fixed on the top of the placing table, a liquid pump is fixed on the top of the placing table, and an atomizer is fixed on the surface of the pyrolysis furnace.
Preferably, the liquid inlet of drawing liquid pump passes through the left side intercommunication of straight tube with the urea case, the liquid outlet of drawing liquid pump passes through the inlet intercommunication of pipe and atomizer, the liquid outlet of atomizer passes through the surface intercommunication of output tube with the pyrolysis oven.
Preferably, the heat energy recovery mechanism comprises a water tank fixed at the top of the placing table, a spiral pipe is arranged inside the water tank, and a graphene pipe sleeve is sleeved on the surface of the spiral pipe.
Preferably, one end of the spiral pipe is communicated with an air outlet pipe, and one end of the air outlet pipe penetrates through the water tank and is communicated with the surface of the pyrolysis furnace.
Preferably, the other end of the spiral pipe is communicated with a discharge pipe, one end of the discharge pipe penetrates through the water tank and extends to the outside of the water tank, a water inlet pipe is communicated with the upper part of the front face of the water tank, and a water discharge pipe is communicated with the lower part of the front face of the water tank.
Advantageous effects
The utility model provides a high-efficiency energy saver used in a urea-ammonia conversion system. Compared with the prior art, the method has the following beneficial effects:
(1) this a high-efficient energy-saving appliance for among urea-ammonia conversion system, through including rotating the connection at the left drive shaft of ash blocking net at clearance mechanism, the both sides on drive shaft surface all are fixed with rotor blade, two rotor blade's right side all is fixed with the clearance brush needle, the surface of clearance brush needle and the left side contact of ash blocking net, the below intercommunication on cartridge filter surface has the ash discharge pipe, the bottom of ash discharge pipe runs through places the platform and extends to the below of placing the platform, the fixed surface of ash discharge pipe has the row material valve, the top on cartridge filter surface is fixed with vibrating motor, setting through clearance mechanism, be convenient for clear up the cigarette ash on the ash blocking net, prevent that cigarette ash from blockking up the ash blocking net, and then prevent each pipe blockage.
(2) This a high-efficient energy-saving appliance for among urea-ammonia conversion system, through at urea leading-in mechanism including fixing the urea case of placing bench top portion, the top of placing the platform is fixed with the drawing liquid pump, the fixed surface of pyrolysis oven has the atomizer, the inlet of drawing liquid pump passes through the left side intercommunication of straight tube with the urea case, the liquid outlet of drawing liquid pump passes through the inlet intercommunication of pipe with the atomizer, the liquid outlet of atomizer passes through the surface intercommunication of output tube with the pyrolysis oven, through the setting of urea leading-in mechanism, can be with leading-in pyrolysis oven again after the urea atomizing, and then make urea can be fully decomposed, reduce the waste of urea, accord with energy-conserving theory.
(3) This a high efficiency energy-saving ware for among urea-ammonia conversion system, through at heat recovery mechanism including fixing the water tank of placing the bench top, the inside of water tank is provided with the spiral pipe, the surface cover of spiral pipe is equipped with the graphite alkene pipe box, the one end intercommunication of spiral pipe has the outlet duct, the one end of outlet duct run through the water tank and with the surface intercommunication of pyrolysis oven, the other end intercommunication of spiral pipe has the delivery pipe, the one end of delivery pipe runs through the water tank and extends to the outside of water tank, the positive top intercommunication of water tank has the inlet tube, the positive below intercommunication of water tank has the bleeder line, through the setting of heat recovery mechanism, be convenient for carry out recycle to the heat in the surplus flue gas, reduce the waste of heat energy, play energy-conserving effect.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
fig. 2 is a perspective sectional view of the filter cartridge structure of the present invention;
fig. 3 is a perspective view of the local structure of the heat energy recovery mechanism of the present invention.
In the figure: 1-placing table, 2-pyrolyzing furnace, 3-induced draft fan, 4-folding pipe, 5-filter cartridge, 6-connecting pipe, 7-boiler connecting pipe, 8-ash blocking net, 9-cleaning mechanism, 91-driving shaft, 92-rotating blade, 93-cleaning brush needle, 94-ash discharging pipe, 95-discharging valve, 96-vibrating motor, 10-urea leading-in mechanism, 101-urea box, 102-liquid pump, 103-atomizer, 104-straight pipe, 105-guide pipe, 106-output pipe, 11-heat energy recovery mechanism, 111-water box, 112-spiral pipe, 113-graphene pipe sleeve, 114-air outlet pipe, 115-discharge pipe, 116-water inlet pipe and 117-water discharging pipe.
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. 1-3, the present invention provides a technical solution: the utility model provides a high-efficient energy-saving appliance for among urea-ammonia conversion system, including placing platform 1, the top of placing platform 1 is fixed with pyrolysis oven 2, the top of placing platform 1 is fixed with draught fan 3, control with external power supply electric connection and through control switch, the air outlet of draught fan 3 is through the top intercommunication of rolling over pipe 4 with pyrolysis oven 2, the top of placing platform 1 is fixed with cartridge filter 5, the right side of cartridge filter 5 is through the air intake intercommunication of connecting pipe 6 with draught fan 3, the left side intercommunication of cartridge filter 5 has boiler connecting pipe 7, the inner wall of cartridge filter 5 is fixed with ash blocking net 8, be provided with clearance mechanism 9 on the cartridge filter 5, be provided with urea guiding-in mechanism 10 on placing platform 1, it still is provided with heat recovery mechanism 11 on platform 1 to place.
The urea leading-in mechanism 10 is including fixing the urea case 101 at placing platform 1 top, the top of placing platform 1 is fixed with drawing liquid pump 102, control through control switch with external power supply electric connection, the fixed surface of pyrolysis oven 2 has atomizer 103, control through control switch with external power supply electric connection, the inlet of drawing liquid pump 102 passes through straight tube 104 and urea case 101 left side intercommunication, the liquid outlet of drawing liquid pump 102 passes through pipe 105 and atomizer 103's inlet intercommunication, the liquid outlet of atomizer 103 passes through output tube 106 and pyrolysis oven 2's surface intercommunication.
And those not described in detail in this specification are well within the skill of those in the art.
During operation, draught fan 3 drives the interior flue gas of boiler and advanced enters inside cartridge filter 5, and then can drive rotor blade 92 and rotate, make clearance brush needle 93 sweep the clearance to ash blocking net 8, then start vibrating motor 96, make ash blocking net 8 vibration, can open blow-off valve 95 and pass through ash discharge pipe 94 with cigarette ash and discharge, start liquid pump 102 and atomizer 103 and spray to pyrolysis oven 2 inside after atomizing urea solution, make urea solution can fully decompose, surplus high temperature flue gas passes through outlet duct 114 and gets into spiral pipe 112, give spiral pipe 112 and then absorb heat and transmit the cold water in water tank 111 through graphite alkene pipe box 113 with the heat transfer, make cold water heat up, realize heat recovery and utilize.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. An energy efficient economizer for use in a urea-ammonia conversion system, comprising a standing table (1), characterized in that: the device is characterized in that a pyrolysis furnace (2) is fixed at the top of the placing table (1), an induced draft fan (3) is fixed at the top of the placing table (1), an air outlet of the induced draft fan (3) is communicated with the top of the pyrolysis furnace (2) through a folding pipe (4), a filter cartridge (5) is fixed at the top of the placing table (1), the right side of the filter cartridge (5) is communicated with an air inlet of the induced draft fan (3) through a connecting pipe (6), the left side of the filter cartridge (5) is communicated with a boiler connecting pipe (7), an ash blocking net (8) is fixed on the inner wall of the filter cartridge (5), a cleaning mechanism (9) is arranged on the filter cartridge (5), a urea introducing mechanism (10) is arranged on the placing table (1), and a heat energy recovery mechanism (11) is also arranged on the placing table (1);
clearance mechanism (9) are including rotating the connection at the left drive shaft (91) of ash blocking net (8), the both sides on drive shaft (91) surface all are fixed with rotating vane (92), two the right side of rotating vane (92) all is fixed with clearance brush needle (93), the surface of clearance brush needle (93) and the left side contact of ash blocking net (8), the below intercommunication on cartridge filter (5) surface has ash discharge pipe (94), the bottom of ash discharge pipe (94) is run through and is placed platform (1) and extend to the below of placing platform (1), the fixed surface of ash discharge pipe (94) has row material valve (95), the top on cartridge filter (5) surface is fixed with vibrating motor (96).
2. An economizer for use in a urea-to-ammonia conversion system as claimed in claim 1 wherein: the urea introducing mechanism (10) comprises a urea box (101) fixed to the top of the placing table (1), a liquid pump (102) is fixed to the top of the placing table (1), and an atomizer (103) is fixed to the surface of the pyrolysis furnace (2).
3. An economizer for use in a urea-to-ammonia conversion system as claimed in claim 2 wherein: the liquid inlet of the liquid pump (102) is communicated with the left side of the urea box (101) through a straight pipe (104), the liquid outlet of the liquid pump (102) is communicated with the liquid inlet of the atomizer (103) through a guide pipe (105), and the liquid outlet of the atomizer (103) is communicated with the surface of the pyrolysis furnace (2) through an output pipe (106).
4. An economizer for use in a urea-to-ammonia conversion system as claimed in claim 1 wherein: the heat energy recovery mechanism (11) comprises a water tank (111) fixed to the top of the placing table (1), a spiral pipe (112) is arranged inside the water tank (111), and a graphene pipe sleeve (113) is sleeved on the surface of the spiral pipe (112).
5. An economizer for use in a urea-to-ammonia conversion system as claimed in claim 4 wherein: one end of the spiral pipe (112) is communicated with an air outlet pipe (114), and one end of the air outlet pipe (114) penetrates through the water tank (111) and is communicated with the surface of the pyrolysis furnace (2).
6. An economizer for use in a urea-to-ammonia conversion system as claimed in claim 4 wherein: the other end of the spiral pipe (112) is communicated with a discharge pipe (115), one end of the discharge pipe (115) penetrates through the water tank (111) and extends to the outside of the water tank (111), a water inlet pipe (116) is communicated above the front face of the water tank (111), and a water discharge pipe (117) is communicated below the front face of the water tank (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120702100.4U CN214990306U (en) | 2021-04-07 | 2021-04-07 | High-efficiency energy saver for urea-ammonia conversion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120702100.4U CN214990306U (en) | 2021-04-07 | 2021-04-07 | High-efficiency energy saver for urea-ammonia conversion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214990306U true CN214990306U (en) | 2021-12-03 |
Family
ID=79096437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120702100.4U Expired - Fee Related CN214990306U (en) | 2021-04-07 | 2021-04-07 | High-efficiency energy saver for urea-ammonia conversion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214990306U (en) |
-
2021
- 2021-04-07 CN CN202120702100.4U patent/CN214990306U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |