CN112797431A - Iron-molybdenum method formaldehyde flue gas waste heat recycling device and implementation method thereof - Google Patents
Iron-molybdenum method formaldehyde flue gas waste heat recycling device and implementation method thereof Download PDFInfo
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- CN112797431A CN112797431A CN202011516005.1A CN202011516005A CN112797431A CN 112797431 A CN112797431 A CN 112797431A CN 202011516005 A CN202011516005 A CN 202011516005A CN 112797431 A CN112797431 A CN 112797431A
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims abstract description 41
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003546 flue gas Substances 0.000 title claims abstract description 36
- DSMZRNNAYQIMOM-UHFFFAOYSA-N iron molybdenum Chemical compound [Fe].[Fe].[Mo] DSMZRNNAYQIMOM-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000002918 waste heat Substances 0.000 title claims abstract description 20
- 238000004064 recycling Methods 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 41
- 230000005587 bubbling Effects 0.000 claims abstract description 37
- 239000000498 cooling water Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 35
- 238000009413 insulation Methods 0.000 claims description 20
- 238000004321 preservation Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 241000197194 Bulla Species 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 208000002352 blister Diseases 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- AEWKYDHSUQKENZ-UHFFFAOYSA-N formaldehyde iron molybdenum Chemical compound C=O.[Mo].[Fe] AEWKYDHSUQKENZ-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 230000000622 irritating effect Effects 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
- F28C3/08—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour with change of state, e.g. absorption, evaporation, condensation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a device for recycling formaldehyde flue gas waste heat by an iron-molybdenum method and an implementation method thereof, comprising a heat exchange kettle, a delivery pump and a storage tank, wherein an air exhaust motor in an air supply assembly drives an air exhaust fan blade to rotate, the air exhaust fan blade is bubbled into cooling water from a bubbling hole in a bubbling pipe, a stirring shaft and a stirring blade are utilized to fully stir for heat exchange, hot water is delivered into the storage tank for storage, then, an air release port is directly opened and is directly connected with a steam heat supply pipeline, different types of equipment are heated by the steam heat supply pipeline, heat exchange liquids with different temperatures can be added into a kettle shell, steam is bubbled into the heat exchange liquids through the bubbling hole, most of steam enters the steam heat supply pipeline through the air release port to supply heat to the equipment after partial heat exchange, the heat recovery and the recycling of formaldehyde flue gas are effectively realized, and the local heat exchange of the steam is realized at the same time, the heating can be selectively adjusted for different types of equipment or processing sections.
Description
Technical Field
The invention relates to the technical field of formaldehyde preparation, in particular to an iron-molybdenum formaldehyde flue gas waste heat recycling device and an implementation method thereof.
Background
Formaldehyde is an organic chemical substance, has a chemical formula of HCHO, has a molecular weight of 30.03, is also called as formil, is colorless and irritant gas, has an irritant effect on human eyes, noses and the like, and is produced by a non-catalytic oxidation method, a dimethyl ether oxidation method, a methane oxidation method, a methanol air oxidation method, an iron-molybdenum method and the like which take liquefied petroleum gas as a raw material according to the difference of the raw materials, wherein the iron-molybdenum method can ensure that methanol is catalytically reacted to generate formaldehyde under the condition of excessive air, the formaldehyde conversion rate generated by the method is higher, no separate formaldehyde separation and recovery equipment is required to be arranged for recovery, the reaction temperature is 250-400 ℃, the reaction temperature is lower and easy to control, high-temperature steam can be generated in the preparation process of high-concentration formaldehyde by using the iron-molybdenum method, the temperature of the generated formaldehyde is also higher, and the high-temperature steam and the temperature in high-temperature formaldehyde flue gas can not be recovered, can not be recycled, thereby causing the waste of resources.
Disclosure of Invention
The invention aims to provide an iron-molybdenum method formaldehyde flue gas waste heat recycling device and an implementation method thereof, wherein a gas supply assembly is arranged at the bottom of a heat exchange kettle, an air exhaust fan blade in the gas supply assembly is driven to rotate by an air exhaust motor, hot formaldehyde flue gas is conveyed to a gas storage tank and a bubbling pipe, the bubbling hole in the bubbling pipe is used for bubbling to outside cooling water, a stirring shaft and a stirring blade are used for fully stirring and exchanging heat to heat the cooling water, after the heat exchange is finished, a conveying pump is started to convey the hot water to a storage tank for storage, the hot water flows to a heat insulation shell at the bottom after being filtered by a filter screen plate, the temperature is induced by a temperature sensing thermal resistor in the heat insulation shell, and then the temperature is induced and displayed by a temperature display screen, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an iron molybdenum method formaldehyde flue gas waste heat recycles device, includes heat transfer cauldron, pressure instrument, heat preservation conveyer pipe, delivery pump, holding vessel and temperature display screen, the outside of heat transfer cauldron openly installs pressure instrument, the right side downside installation heat preservation conveyer pipe of heat transfer cauldron, install the delivery pump on the heat preservation conveyer pipe, the terminal installation holding vessel of heat preservation conveyer pipe, the outside lower extreme installation temperature display screen of holding vessel.
Preferably, the heat transfer cauldron includes cauldron shell, air feed subassembly, heat preservation wall, inlet, pipe connector, motor sleeve, agitator motor, (mixing) shaft, stirring vane, disappointing mouth, sealed lid and sealing washer, the bottom center department installation of cauldron shell air feed subassembly, the inboard of cauldron shell is equipped with the heat preservation wall, the upper left side of cauldron shell is equipped with the inlet, the right downside of cauldron shell is equipped with the pipe connector, the upside both ends of cauldron shell are equipped with the motor sleeve respectively, motor sleeve installs agitator motor in the cover, agitator motor's downside installation (mixing) shaft, the outside of (mixing) shaft is equipped with stirring vane, the top center department of cauldron shell is equipped with disappointing mouth, the sealed lid of outside installation of disappointing mouth, install the sealing washer between disappointing mouth and the sealed lid.
Preferably, the air supply component comprises an outer clamping plate, an embedded clamping pipe, a clamping sleeve, an inner clamping plate, a clamping plate bolt, an air storage groove, a bubbling pipe, a bubbling hole, an air exhaust shell, a threaded interface, a dust filter screen, a motor clamping sleeve, an air exhaust motor and an air exhaust fan blade, the center of the upper side of the outer clamping plate is provided with a clamping and embedding pipe, the outer side of the clamping and embedding pipe is provided with a clamping and embedding sleeve, the upper side of the embedded pipe is provided with an inner clamping plate, the center of the upper side of the inner clamping plate is provided with an air storage groove, a bubbling tube is arranged on the upper side of the gas storage groove, a bubbling hole is arranged at the tail end of the bubbling tube, an air exhaust shell is arranged at the bottom of the outer clamping plate, the bottom of the air exhaust shell is provided with a threaded interface, the interior of the air exhaust shell is provided with a dust filter screen, the center of the dust filter screen is provided with a motor clamping sleeve, an air exhaust motor is arranged in the motor clamping sleeve, and the upper side and the lower side of the air exhaust motor are respectively provided with air exhaust fan blades.
Preferably, the holding vessel includes jar shell, circulation import, interior snap ring, filter plate, separates the temperature shell, separates temperature bolt, temperature sensing thermal resistance, circulating pipe, automatically controlled valve and outer tube interface, the upper left side of jar shell is equipped with the circulation import, the inboard upper end of jar shell is equipped with interior snap ring, interior snap ring intra-annular installation filter plate, be equipped with on the inside bottom inner wall of jar shell and separate the temperature shell, separate the inboard upper end installation of temperature shell and separate the temperature bolt, be equipped with temperature sensing thermal resistance on separating the inner wall of temperature shell, the bottom of jar shell is equipped with the circulating pipe, install automatically controlled valve on the circulating pipe, the bottom of circulating pipe is equipped with the outer tube interface.
Preferably, the inner side of the temperature sensing thermal resistor is connected with a temperature sensing electrode in the temperature display screen.
Preferably, the embedded pipe and the embedded sleeve are nested and installed on the inner side of the bottom ends of the kettle shell and the heat-insulating wall.
The invention provides another technical scheme: an implementation method of a device for recycling formaldehyde flue gas waste heat by using an iron-molybdenum method comprises the following steps:
the method comprises the following steps: installing a threaded interface at the bottom end of the heat exchange kettle on formaldehyde preparation equipment, opening an air exhaust motor, absorbing formaldehyde flue gas by using an air exhaust fan blade, and conveying the formaldehyde flue gas to a gas storage groove for caching through an embedded pipe;
step two: the gas in the gas storage tank continuously enters the bubbling pipe upwards, bubbles to the cooling water in the kettle shell from the bubbling hole, and is uniformly stirred by the stirring shaft and the stirring blades, so that the temperature of the formaldehyde flue gas is transferred to the cooling water;
step three: starting a delivery pump, delivering the cooling water heated in the heat exchange kettle to a tank shell of a storage tank through a heat preservation delivery pipe, filtering by a filter screen plate, flowing into a heat insulation shell, heating a temperature sensing thermal resistor, and reading and displaying by a temperature display screen;
step four: connecting the outer pipe interface to hot water using equipment, and opening the electric control valve to enable the hot water to be conveyed to the hot water using equipment through the circulating pipe and an external pipeline for use;
step five: and opening the air leakage port, connecting the air leakage port into a steam heat supply pipeline, and performing steam heat supply on different types of equipment or different processing sections.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a device for recycling formaldehyde flue gas waste heat by iron-molybdenum method and an implementation method thereof, wherein a gas supply assembly is arranged at the bottom of a heat exchange kettle, a gas exhaust motor in the gas supply assembly drives an air exhaust fan blade to rotate, hot formaldehyde flue gas is conveyed to a gas storage tank and a bubbling pipe, the bubbling hole in the bubbling pipe is used for bubbling to outside cooling water, a stirring shaft and a stirring blade are used for fully stirring and exchanging heat, so that the cooling water is heated, after the heat exchange is finished, a conveying pump is started, the hot water is conveyed to a storage tank for storage, after being filtered by a filter screen plate, the hot water flows to a heat insulation shell at the bottom, the temperature is induced by a temperature sensing thermal resistor in the heat insulation shell, and then the temperature is displayed by a temperature display screen in an induction mode, when the preheating utilization of steam generated in the formaldehyde preparation process of different sections is carried out, an air leakage port is directly opened, and the port is directly connected with a, the device has the advantages that the structure is complete and reasonable, the heat recovery and the reutilization of formaldehyde flue gas are effectively realized, and the selective regulation and heat supply of different types of equipment or processing workshop sections are realized after the steam is subjected to local heat exchange.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic cross-sectional view of a heat exchange tank of the present invention;
FIG. 3 is an enlarged schematic view of the heat exchange kettle at the position A;
FIG. 4 is a schematic view illustrating the structure of the air supply assembly according to the present invention;
FIG. 5 is a partial cross-sectional structural view of the air supply assembly of the present invention;
fig. 6 is a schematic sectional view of a storage tank according to the present invention.
In the figure: 1. a heat exchange kettle; 101. a kettle shell; 102. an air supply assembly; 1021. an outer clamping plate; 1022. clamping and embedding the pipe; 1023. nesting the cards; 1024. an inner clamping plate; 1025. a pallet bolt; 1026. a gas storage tank; 1027. a bubbling tube; 1028. bulging holes; 1029. an air exhaust shell; 10210. a threaded interface; 10211. a dust filter screen; 10212. a motor card sleeve; 10213. an air extraction motor; 10214. air exhaust fan blades; 103. a heat-insulating wall; 104. a liquid inlet; 105. a pipe interface; 106. a motor casing; 107. a stirring motor; 108. a stirring shaft; 109. a stirring blade; 1010. an air escape opening; 1011. a sealing cover; 1012. a seal ring; 2. a pressure gauge; 3. a heat preservation conveying pipe; 4. a delivery pump; 5. a storage tank; 51. a canister housing; 52. a circulation inlet; 53. an inner snap ring; 54. a filter screen plate; 55. a thermal insulation housing; 56. a thermal insulation bolt; 57. a temperature-sensitive thermal resistor; 58. a circulation pipe; 59. an electrically controlled valve; 510. an outer tube interface; 6. and a temperature display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a device for recycling flue gas waste heat of formaldehyde by iron-molybdenum method comprises a heat exchange kettle 1, a pressure instrument 2, a heat preservation conveying pipe 3, a conveying pump 4, a storage tank 5 and a temperature display screen 6, wherein the pressure instrument 2 is installed on the front side of the outer side of the heat exchange kettle 1, the heat preservation conveying pipe 3 is installed on the lower right side of the heat exchange kettle 1, the conveying pump 4 is installed on the heat preservation conveying pipe 3, the storage tank 5 is installed at the tail end of the heat preservation conveying pipe 3, and the temperature display screen 6 is installed at the lower end of the outer side of.
Referring to fig. 2-3, the heat exchange kettle 1 includes a kettle shell 101, a gas supply assembly 102, a heat insulating wall 103, a liquid inlet 104, a pipe connector 105, a motor sleeve 106, a stirring motor 107, a stirring shaft 108, stirring blades 109, a gas release port 1010, a sealing cover 1011 and a sealing ring 1012, the gas supply assembly 102 is installed at the bottom center of the kettle shell 101, the heat insulating wall 103 is installed at the inner side of the kettle shell 101, the liquid inlet 104 is installed at the left upper side of the kettle shell 101, the pipe connector 105 is installed at the right lower side of the kettle shell 101, the motor sleeve 106 is respectively installed at both ends of the upper side of the kettle shell 101, the stirring motor 107 is installed in the motor sleeve 106, the stirring shaft 108 is installed at the lower side of the stirring motor 107, the stirring blades 109 are installed at the outer side of the stirring shaft 108, the gas release port 1010 is installed at the top center of the kettle shell.
Referring to fig. 4-5, the air supply assembly 102 includes an outer clamping plate 1021, a clamping pipe 1022, a clamping sleeve 1023, an inner clamping plate 1024, a clamping plate bolt 1025, an air storage tank 1026, a bubbling pipe 1027, bubbling holes 1028, an air exhaust casing 1029, a threaded interface 10210, a dust filter screen 10211, a motor clamping sleeve 10212, an air exhaust motor 10213 and an air exhaust fan blade 10214, the clamping pipe 1022 is disposed at the center of the upper side of the outer clamping plate 1021, the clamping sleeve 1023 is mounted at the outer side of the clamping pipe 1022, the clamping pipe 1022 and the clamping sleeve 1023 are nested and mounted at the inner sides of the bottom ends of the kettle casing 101 and the thermal insulation wall 103, the inner clamping plate 1024 is disposed at the upper side of the clamping pipe 1022, the air storage tank 1026 is disposed at the upper side of the air storage tank 1026, the bubbling pipe 1027 is disposed at the end of the bubbling holes 1028, the air exhaust casing 1029 is disposed at the bottom of the outer clamping plate 1021, the air exhaust casing 1029 is disposed at the threaded interface 10210, the dust filter screen 10211 is mounted inside the casing 1029, the center of the dust filter 10211 is provided with a motor card sleeve 10212, an air extraction motor 10213 is arranged in the motor card sleeve 10212, and air extraction fan blades 10214 are respectively arranged at the upper side and the lower side of the air extraction motor 10213.
Referring to fig. 6, the storage tank 5 includes a tank shell 51, a circulation inlet 52, an inner clamp ring 53, a filter screen plate 54, a thermal insulation shell 55, a thermal insulation bolt 56, a temperature sensing thermal resistor 57, a circulation pipe 58, an electric control valve 59 and an outer pipe joint 510, the circulation inlet 52 is arranged on the left upper side of the tank shell 51, the inner clamp ring 53 is arranged on the upper end of the inner side of the tank shell 51, the filter screen plate 54 is arranged in the inner clamp ring 53, the thermal insulation shell 55 is arranged on the inner bottom end inner wall of the tank shell 51, the thermal insulation bolt 56 is arranged on the upper end of the inner side of the thermal insulation shell 55, the temperature sensing thermal resistor 57 is arranged on the inner wall of the thermal insulation shell 55, the inner side of the temperature sensing thermal resistor 57 is connected with a temperature sensing electrode in the temperature display screen 6, the circulation pipe 58 is arranged at the bottom of the tank shell 51.
In order to better show the implementation process of the iron-molybdenum method formaldehyde flue gas waste heat recycling device, the embodiment provides an implementation method of the iron-molybdenum method formaldehyde flue gas waste heat recycling device, which includes the following steps:
the method comprises the following steps: installing a threaded interface 10210 at the bottom end of the heat exchange kettle 1 on formaldehyde preparation equipment, opening an air exhaust motor 10213, absorbing formaldehyde flue gas by utilizing an air exhaust fan blade 10214, and conveying the formaldehyde flue gas to a gas storage tank 1026 for caching through a clamping and embedding pipe 1022;
step two: the gas in the gas storage tank 1026 continuously enters the bubbling pipe 1027 upwards, bubbles to the cooling water in the kettle shell 101 from the bubbling hole 1028, and is uniformly stirred by the stirring shaft 108 and the stirring blades 109, so that the temperature of the formaldehyde flue gas is transferred to the cooling water;
step three: the conveying pump 4 is started, the cooling water heated in the heat exchange kettle 1 is conveyed into the tank shell 51 of the storage tank 5 through the heat preservation conveying pipe 3, after being filtered by the filter screen plate 54, the cooling water flows into the heat insulation shell 55, the temperature sensing thermal resistor 57 is heated, and the temperature is read and displayed by the temperature display screen 6;
step four: the outer pipe joint 510 is connected with the hot water using equipment, and the electric control valve 59 is opened, so that the hot water is conveyed to the hot water using equipment through the circulating pipe 58 and an external pipeline for use;
step five: and opening the air leakage opening 1010, connecting the air leakage opening 1010 into a steam heat supply pipeline, and performing steam heat supply on different types of equipment or different processing sections.
The working principle of the invention is as follows: the invention relates to a device for recycling the waste heat of formaldehyde flue gas by iron-molybdenum method and an implementation method thereof, the device comprises a gas supply component 102 arranged at the bottom of a heat exchange kettle 1, a gas extraction motor 10213 in the gas supply component 102 drives a gas extraction fan blade 10214 to rotate, the hot formaldehyde flue gas is conveyed into a gas storage tank 1026 and a bubbling pipe 1027, the bubbling holes 1028 in the bubbling pipe 1027 bubble outside cooling water, a stirring shaft 108 and a stirring blade 109 are utilized for fully stirring and heat exchange, so that the cooling water is heated, after the heat exchange is finished, a conveying pump 4 is started, hot water is conveyed into a storage tank 5 for storage, is filtered by a filter screen plate 54 and flows to a bottom heat insulation shell 55, the temperature is sensed by a temperature sensing thermal resistor 57 in the heat insulation shell 55 and is sensed and displayed by a temperature display screen 6, and when the preheating of steam generated in the formaldehyde preparation processes of different working sections is carried out, a gas leakage opening 1010 is directly, and will lose heart 1010 lug connection and steam heat supply pipeline, supply the temperature to different kinds of equipment through steam heat supply pipeline, and can add the heat-transfer liquid of different temperatures in cauldron shell 101, make steam bubble to the heat-transfer liquid in through tympanic bulla hole 1028, steam in the tympanic bulla is because the temperature is higher, can not absorbed by heat-transfer liquid completely, most steam is through partial heat transfer, and make the temperature of steam reduce the back, get into steam heat supply pipeline through losing heart 1010 and supply heat to equipment, thereby realize carrying out the selectivity to different kinds of equipment or different workshop section temperature and adjust.
In summary, the following steps: the invention relates to a device for recycling the waste heat of formaldehyde flue gas by iron-molybdenum method and an implementation method thereof, the device comprises a gas supply component 102 arranged at the bottom of a heat exchange kettle 1, a gas extraction motor 10213 in the gas supply component 102 drives a gas extraction fan blade 10214 to rotate, the hot formaldehyde flue gas is conveyed into a gas storage tank 1026 and a bubbling pipe 1027, the bubbling holes 1028 in the bubbling pipe 1027 bubble outside cooling water, a stirring shaft 108 and a stirring blade 109 are utilized for fully stirring and heat exchange, so that the cooling water is heated, after the heat exchange is finished, a conveying pump 4 is started, hot water is conveyed into a storage tank 5 for storage, is filtered by a filter screen plate 54 and flows to a bottom heat insulation shell 55, the temperature is sensed by a temperature sensing thermal resistor 57 in the heat insulation shell 55 and is sensed and displayed by a temperature display screen 6, and when the preheating of steam generated in the formaldehyde preparation processes of different working sections is carried out, a gas leakage opening 1010 is directly, the air release opening 1010 is directly connected with a steam heat supply pipeline, different types of equipment are supplied with heat through the steam heat supply pipeline, heat exchange liquid with different temperatures can be added into the kettle shell 101, steam bubbles into the heat exchange liquid through the bubble holes 1028, the steam in the bubbles cannot be completely absorbed by the heat exchange liquid due to high temperature, most of the steam is subjected to partial heat exchange, the temperature of the steam is reduced, and then the steam enters the steam heat supply pipeline through the air release opening 1010 to supply heat to the equipment, so that the temperature of different types of equipment or different workshop sections is selectively adjusted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides an iron molybdenum method formaldehyde flue gas waste heat recycles device, includes heat transfer cauldron (1), pressure instrument (2), heat preservation conveyer pipe (3), delivery pump (4), holding vessel (5) and temperature display screen (6), its characterized in that: the outside of heat transfer cauldron (1) openly installs pressure instrument (2), the right side downside installation heat preservation conveyer pipe (3) of heat transfer cauldron (1), install delivery pump (4) on heat preservation conveyer pipe (3), the terminal storage tank (5) of installing of heat preservation conveyer pipe (3), outside lower extreme installation temperature display screen (6) of storage tank (5).
2. The device for recycling the waste heat of the formaldehyde flue gas by the iron-molybdenum method as claimed in claim 1, is characterized in that: the heat exchange kettle (1) comprises a kettle shell (101), an air supply component (102), a heat preservation wall (103), a liquid inlet (104), a pipe connector (105), a motor sleeve (106), a stirring motor (107), a stirring shaft (108), stirring blades (109), an air leakage port (1010), a sealing cover (1011) and a sealing ring (1012), the air supply component (102) is installed at the bottom center of the kettle shell (101), the heat preservation wall (103) is arranged on the inner side of the kettle shell (101), the liquid inlet (104) is arranged on the upper left side of the kettle shell (101), the pipe connector (105) is arranged on the lower right side of the kettle shell (101), motor sleeves (106) are respectively arranged at the two ends of the upper side of the kettle shell (101), the stirring motor (107) is installed in the motor sleeves (106), the stirring blades (109) are installed on the lower side of the stirring motor (107), the stirring shaft (108) is arranged on the outer, the top center department of cauldron shell (101) is equipped with disappointing mouth (1010), the sealed lid (1011) of outside installation of disappointing mouth (1010), install sealing washer (1012) between disappointing mouth (1010) and sealed lid (1011).
3. The device for recycling the waste heat of the formaldehyde flue gas by the iron-molybdenum method as claimed in claim 2, wherein: the air supply assembly (102) comprises an outer clamping plate (1021), a clamping and embedding pipe (1022), a clamping and embedding sleeve (1023), an inner clamping plate (1024), a clamping plate bolt (1025), an air storage groove (1026), a bubbling pipe (1027), a bubbling hole (1028), an air exhaust shell (1029), a threaded interface (10210), a dust filter net (10211), a motor clamping sleeve (10212), an air exhaust motor (10213) and an air exhaust fan blade (10214), wherein the clamping and embedding pipe (1022) is arranged at the center of the upper side of the outer clamping plate (1021), a clamping and embedding sleeve (1023) is installed at the outer side of the clamping and embedding pipe (1022), the inner clamping plate (1024) is arranged at the upper side of the clamping plate (1024), the air storage groove (1026) is arranged at the upper side of the air storage groove (1026), the bubbling pipe (1027) is arranged at the tail end of the bubbling pipe (1027), a bubble hole (1028) is arranged at the bottom of the outer clamping plate (1021), the bottom of the air exhaust shell (1029) is provided with a threaded interface (10210), an internal installation dust filter net (10211) of the air exhaust shell (1029), the center of the dust filter net (10211) is provided with a motor clamping sleeve (10212), an air exhaust motor (10213) is installed in the motor clamping sleeve (10212), and air exhaust fan blades (10214) are respectively installed on the upper side and the lower side of the air exhaust motor (10213).
4. The device for recycling the waste heat of the formaldehyde flue gas by the iron-molybdenum method as claimed in claim 1, is characterized in that: the storage tank (5) comprises a tank shell (51), a circulation inlet (52), an inner snap ring (53), a filter screen plate (54), a temperature-isolating shell (55), a temperature-isolating bolt (56), a temperature-sensing thermal resistor (57), a circulation pipe (58), an electric control valve (59) and an outer pipe connector (510), wherein the circulation inlet (52) is arranged on the upper left side of the tank shell (51), the inner snap ring (53) is arranged on the upper inner side of the tank shell (51), the filter screen plate (54) is installed in the inner snap ring (53), the temperature-isolating shell (55) is arranged on the inner wall of the bottom end inside the tank shell (51), the temperature-isolating bolt (56) is installed on the upper end inside the temperature-isolating shell (55), the temperature-sensing thermal resistor (57) is arranged on the inner wall of the temperature-isolating shell (55), the circulation pipe (58) is arranged at the bottom of the tank shell (51), the electric control, the bottom of the circulating pipe (58) is provided with an outer pipe interface (510).
5. The device for recycling the waste heat of the formaldehyde flue gas by the iron-molybdenum method as claimed in claim 4, wherein: the inner side of the temperature sensing thermal resistor (57) is connected with a temperature sensing electrode in the temperature display screen (6).
6. The device for recycling the waste heat of the formaldehyde flue gas by the iron-molybdenum method as claimed in claim 3, wherein: the embedded pipe (1022) and the embedded sleeve (1023) are embedded and installed on the inner side of the bottom ends of the kettle shell (101) and the heat-insulating wall (103).
7. An implementation method of the iron-molybdenum method formaldehyde flue gas waste heat recycling device according to any one of claims 1 to 6, characterized by comprising the following steps:
s1: installing a threaded interface (10210) at the bottom end of a heat exchange kettle (1) on formaldehyde preparation equipment, opening an air exhaust motor (10213), absorbing formaldehyde flue gas by utilizing an air exhaust fan blade (10214), and conveying the formaldehyde flue gas to a gas storage tank (1026) for caching through an embedded pipe (1022);
s2: the gas in the gas storage tank (1026) continuously enters the bubbling pipe (1027) upwards, bubbles to the cooling water in the kettle shell (101) from the bubbling hole (1028), and is uniformly stirred by the stirring shaft (108) and the stirring blade (109), so that the temperature of the formaldehyde flue gas is transferred to the cooling water;
s3: the conveying pump (4) is started, the cooling water heated in the heat exchange kettle (1) is conveyed into the tank shell (51) of the storage tank (5) through the heat preservation conveying pipe (3), after being filtered by the filter screen plate (54), the cooling water flows into the heat insulation shell (55), the temperature sensing thermal resistor (57) is heated, and the temperature display screen (6) reads and displays the cooling water;
s4: connecting the outer pipe interface (510) to the hot water using equipment, opening the electric control valve (59) to enable the hot water to be conveyed to the hot water using equipment through the circulating pipe (58) and an external pipeline for use;
s5: and opening the air leakage opening (1010), and connecting the air leakage opening (1010) into a steam heat supply pipeline to supply steam heat to different types of equipment or different processing sections.
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