CN220436797U - Ultralow nitrogen non-detection gas heat conducting oil heater - Google Patents
Ultralow nitrogen non-detection gas heat conducting oil heater Download PDFInfo
- Publication number
- CN220436797U CN220436797U CN202321739810.XU CN202321739810U CN220436797U CN 220436797 U CN220436797 U CN 220436797U CN 202321739810 U CN202321739810 U CN 202321739810U CN 220436797 U CN220436797 U CN 220436797U
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- China
- Prior art keywords
- oil
- air inlet
- air
- pipe
- fgr
- Prior art date
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000007789 gas Substances 0.000 title claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 title claims abstract description 10
- 239000003921 oil Substances 0.000 claims abstract description 105
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003546 flue gas Substances 0.000 claims abstract description 28
- 239000010742 number 1 fuel oil Substances 0.000 claims abstract description 17
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000001704 evaporation Methods 0.000 claims description 14
- 230000008020 evaporation Effects 0.000 claims description 14
- 238000005422 blasting Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 239000002737 fuel gas Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000003350 kerosene Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
Classifications
-
- 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model belongs to the technical field of heat conduction oil heaters, and particularly relates to an ultralow nitrogen non-detection fuel gas heat conduction oil heater. The integral frame is divided into a combustion cavity and an equipment cavity which are distributed up and down through a middle partition board, a hot coal oil heater is fixed in the combustion cavity, a heat conduction oil circulation system and a combined FGR (flue gas recirculation) air inlet system are respectively arranged in the equipment cavity, an air inlet blower is fixed on the left side of the air preheating box, and the outer side of an air inlet of the air inlet blower is connected with an FGR flue gas circulation blower through an expansion bracket; the gas inlet of the FGR flue gas circulating fan is connected with the flue gas outlet; the air inlet blower is communicated with the air preheating box through an air inlet duct, and the right side of the air preheating box is connected with the burner on the left side of the hot coal oil heater through a hot air pipe. The air blower and the FGR system are structurally arranged, so that the heat of the flue gas can be reasonably utilized to preheat the inlet air, the nitrogen content of the tail gas of the hot coal oil heater is greatly reduced, and the system is safer and more reliable.
Description
Technical Field
The utility model belongs to the technical field of heat conduction oil heaters, and particularly relates to an ultralow nitrogen non-detection fuel gas heat conduction oil heater.
Background
The heat conductor is a direct-current special industrial furnace which uses coal, heavy oil and light oil combustible gas and other combustible materials as fuel, uses the heat conductor as a heat carrier, uses a circulating oil pump to force liquid phase circulation, transmits heat energy to heat utilization equipment, and then returns to reheating. The existing heat conductor has certain defects when in use, firstly, fuel and air respectively enter a combustion chamber, the control process is troublesome, the proportion of the fuel and the air is difficult to regulate and control, the heating effect is not ideal in the heating process, the tail gas emission is unqualified, and the heat resource in the combustion flue gas is wasted, so that the ultralow nitrogen non-detection fuel gas heat conducting oil heater is provided.
Disclosure of Invention
To solve the defects and the shortages of the prior art; the utility model aims to provide an ultralow nitrogen inspection-free gas heat conduction oil heater which is simple in structure, reasonable in design and convenient to use, aims at improving an air inlet system, and is safe and reliable, an air blower and an FGR system are structured, air inlet preheating can be carried out by reasonably utilizing smoke heat according to adjustment of air inlet comparison of the air blower and the FGR system, and the nitrogen content of tail gas of the hot kerosene heater is greatly reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises an integral frame, a combustion chamber, an equipment chamber, a hot coal oil heater, a heat conduction oil circulation system and a combined FGR (flue gas dust removal) blasting air inlet system; the integral frame is divided into a combustion cavity and an equipment cavity which are distributed up and down through a middle partition board, a hot coal oil heater is fixed in the combustion cavity, a heat conduction oil circulation system and a combined FGR (flue gas cleaning) blast air inlet system are respectively arranged in the equipment cavity, wherein the combined FGR blast air inlet system consists of an air preheating box, an air inlet blower, an FGR flue gas circulation blower, an air inlet air duct, a flue gas suction channel and a hot air pipe; an air inlet blower is fixed on the left side of the air preheating box, and the outer side of an air inlet of the air inlet blower is connected with an FGR flue gas circulating fan through an expansion bracket; the air inlet of the FGR flue gas circulating fan is connected with the flue gas outlet; the air inlet blower is communicated with the air preheating box through an air inlet duct, and the right side of the air preheating box is connected with the burner on the left side of the hot coal oil heater through a hot air pipe.
Preferably, the heat conduction oil circulation system comprises a high-level oil storage tank, an evaporation tank, an expansion pipe, an oil-water separator, an oil pump driving assembly, an oil inlet pipe, an oil outlet pipe, a pressure gauge connecting pipe, an oil return pipe and a filter; the high-level oil storage tank and the evaporation tank are fixed on the right side of the upper end of the integral frame, the high-level oil storage tank is connected with the evaporation tank, the evaporation tank is connected with an oil-water separator on the inner side of the integral frame through an expansion pipe, the right side of the oil-water separator is connected with an oil pump driving assembly, and the oil pump driving assembly is connected with one end of a heat conducting coil pipe in the hot coal oil heater through an oil inlet pipe; and the other end of the heat conducting coil pipe is connected with an oil outlet pipe, the left side of the oil-water separator is connected with an oil return pipe, and the upper end of the oil return pipe is connected with a filter.
Preferably, the oil inlet pipe and the oil outlet pipe are connected with the pressure of the side wall of the integral frame through pressure gauge connecting pipes.
Preferably, an external heat exchange device is connected between the oil outlet pipe and the oil return pipe.
Preferably, the oil pump driving assembly is composed of a driving motor, a coupling and an oil pump.
After the structure is adopted, the utility model has the beneficial effects that: the air inlet system is improved, the air blower and the FGR system are structured, and air intake preheating can be carried out by reasonably utilizing smoke heat according to the adjustment of air intake comparison of the air blower and the FGR system, so that the nitrogen content of tail gas of the hot coal oil heater is greatly reduced, and the air inlet preheating system is safer and more reliable.
Drawings
For a clearer description of embodiments of the present utility model or technical solutions in the prior art, the present utility model is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural diagram of a conduction oil circulation system 5 according to the present utility model;
FIG. 3 is a schematic diagram of the combined FGR blast air intake system 6 of the present utility model;
FIG. 4 is a schematic diagram of the FGR and blast connection structure of the present utility model;
reference numerals illustrate: the integrated frame 1, the combustion chamber 2, the equipment chamber 3, the hot coal oil heater 4, the heat conduction oil circulation system 5, the combined FGR blast air inlet system 6, the high-level oil storage tank 7, the evaporation tank 8, the expansion pipe 9, the oil-water separator 10, the oil pump driving assembly 11, the oil inlet pipe 12, the oil outlet pipe 13, the pressure gauge connecting pipe 14, the combustor 15, the oil return pipe 16, the filter 17, the air preheating box 61, the air inlet blower 62, the FGR smoke circulation fan 63, the air inlet air duct 64, the smoke suction channel 65 and the hot air pipe 66.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
It should be noted here that, in order to avoid obscuring the present utility model due to unnecessary details, only structures and/or processing steps closely related to the solution according to the present utility model are shown in the drawings, while other details not greatly related to the present utility model are omitted.
Referring to fig. 1-4, the following technical solutions are adopted in this embodiment: the combined type FGR blast air inlet system comprises an integral frame 1, a combustion chamber 2, an equipment chamber 3, a hot coal oil heater 4, a heat conducting oil circulating system 5 and a combined type FGR blast air inlet system 6; the integral frame 1 is divided into a combustion chamber 2 and an equipment chamber 3 which are distributed up and down through a middle partition plate, a hot coal oil heater 4 is fixed in the combustion chamber 2, a heat conduction oil circulation system 5 and a combined FGR blast air inlet system 6 are respectively arranged in the equipment chamber 3, wherein the combined FGR blast air inlet system 6 consists of an air preheating box 61, an air inlet blower 62, an FGR flue gas circulation blower 63, an air inlet air duct 64, a flue gas suction channel 65 and a hot air pipe 66; an air inlet blower 62 is fixed on the left side of the air preheating box 61, and the outer side of an air inlet of the air inlet blower 62 is connected with an FGR flue gas circulating fan 63 through an expansion bracket; the air inlet of the FGR flue gas circulating fan 63 is connected with the flue gas outlet; the air intake blower 62 is communicated with the air preheating tank 61 through an intake air duct 64, and the right side of the air preheating tank 61 is connected with the burner 15 on the left side of the hot-coal heater 4 through a hot air duct 66.
The heat conduction oil circulation system 5 comprises a high-level oil storage tank 7, an evaporation tank 8, an expansion pipe 9, an oil-water separator 10, an oil pump driving assembly 11, an oil inlet pipe 12, an oil outlet pipe 13, a pressure gauge connecting pipe 14, an oil return pipe 16 and a filter 17; the high-level oil storage tank 7 and the evaporation tank 8 are fixed on the right side of the upper end of the integral frame 1, the high-level oil storage tank 7 is connected with the evaporation tank 8, the evaporation tank 8 is connected with the oil-water separator 10 through the expansion pipe 9, the right side of the oil-water separator 10 is connected with the oil pump driving assembly 11, and the oil pump driving assembly 11 is connected with one end of the heat conducting coil pipe inside the hot coal oil heater 4 through the oil inlet pipe 12; and the other end of the heat conducting coil pipe is connected with an oil outlet pipe 13, the left side of the oil-water separator 10 is connected with an oil return pipe 16, and the upper end of the oil return pipe 16 is connected with a filter 17.
In addition, the oil inlet pipe 12 and the oil outlet pipe 13 are connected with the pressure of the side wall of the integral frame 1 through the pressure gauge connecting pipe 14; an external heat exchange device is connected between the oil outlet pipe 13 and the oil return pipe 16; the oil pump driving assembly 11 consists of a driving motor, a coupling and an oil pump.
Furthermore, the left end face of the integral frame 1 is provided with a pressure gauge, the pressure gauge is connected with each component pipeline through a pressure gauge connecting pipe 14 for pressure detection, and intelligent control modules are integrated on the hot coal oil heater 4, the heat conduction oil circulating system 5 and the combined FGR blast air inlet system 6, and automatic control is carried out through a PLC or a singlechip, so that the ultralow nitrogen inspection-free gas heat conduction oil heater has the advantages of high reliability, high automation degree, convenience in use, simplicity in operation, rich functions, flexibility in control, attractive appearance, complete varieties, high cost performance and the like; the device has the automatic control functions of controlling the inlet and outlet pressure of the heat conducting oil heater, controlling the high and low pressure, protecting the high and low oil level, protecting the overpressure and the like.
The working principle of the specific embodiment is as follows: firstly, a high-level oil storage tank 7 conveys heat conduction oil into an evaporation tank 8 for pretreatment, the heat conduction oil is conveyed to an oil-water separator 10 through an expansion pipe 9, one side of the oil-water separator 10 is connected with an oil pump driving assembly 11, the oil-water separator 10 conveys the heat conduction oil to an oil pump in the oil pump driving assembly 11, the oil pump injects the heat conduction oil into an internal circulation pipe of a hot kerosene heater 4 through an oil inlet pipe 12 under the action of a driving motor, at the moment, the internal part of the hot kerosene heater 4 is burnt and heated, the heat conduction oil in the circulation pipe is heated through heat exchange, the heated heat conduction oil is output to a heat utilization device through an oil outlet pipe 13, filtered through a filter 17 connected at the upper end of an oil return pipe 16 and then enters the oil-water separator 10 for recycling; in addition, the air intake blower 62 and the FGR flue gas recirculation blower 63 in the combined FGR blower intake system 6 are adjusted in rotation speed, so that the intake air amount and the flue gas intake air amount are mixed in a certain proportion, and are mixed and preheated in the air preheating box 61, and finally are conveyed to the burner 15 through the hot air pipe 66.
This embodiment improves to air intake system, carries out the structure with air-blower and FGR system, according to the regulation of air-blower and FGR system air-intake comparison, can the rational utilization flue gas heat advance the heat of air intake and preheat to greatly reduced hot kerosene heater tail gas nitrogen content, safe and reliable more.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides an ultralow nitrogen non-examination gas heat conduction oil heater which characterized in that: the device comprises an integral frame, a combustion chamber, an equipment chamber, a hot coal oil heater, a heat conduction oil circulation system and a combined FGR (flue gas dust removal) blasting air inlet system; the integral frame is divided into a combustion cavity and an equipment cavity which are distributed up and down through a middle partition board, a hot coal oil heater is fixed in the combustion cavity, a heat conduction oil circulation system and a combined FGR (flue gas cleaning) blast air inlet system are respectively arranged in the equipment cavity, wherein the combined FGR blast air inlet system consists of an air preheating box, an air inlet blower, an FGR flue gas circulation blower, an air inlet air duct, a flue gas suction channel and a hot air pipe; an air inlet blower is fixed on the left side of the air preheating box, and the outer side of an air inlet of the air inlet blower is connected with an FGR flue gas circulating fan through an expansion bracket; the air inlet of the FGR flue gas circulating fan is connected with the flue gas outlet; the air inlet blower is communicated with the air preheating box through an air inlet duct, and the right side of the air preheating box is connected with the burner on the left side of the hot coal oil heater through a hot air pipe.
2. The ultra-low nitrogen non-detection gas heat transfer oil heater of claim 1, wherein: the heat conduction oil circulation system comprises a high-level oil storage tank, an evaporation tank, an expansion pipe, an oil-water separator, an oil pump driving assembly, an oil inlet pipe, an oil outlet pipe, a pressure gauge connecting pipe, an oil return pipe and a filter; the high-level oil storage tank and the evaporation tank are fixed on the right side of the upper end of the integral frame, the high-level oil storage tank is connected with the evaporation tank, the evaporation tank is connected with an oil-water separator on the inner side of the integral frame through an expansion pipe, the right side of the oil-water separator is connected with an oil pump driving assembly, and the oil pump driving assembly is connected with one end of a heat conducting coil pipe in the hot coal oil heater through an oil inlet pipe; and the other end of the heat conducting coil pipe is connected with an oil outlet pipe, the left side of the oil-water separator is connected with an oil return pipe, and the upper end of the oil return pipe is connected with a filter.
3. The ultra-low nitrogen non-detection gas heat transfer oil heater of claim 2, wherein: the oil inlet pipe and the oil outlet pipe are connected with the pressure of the side wall of the integral frame through pressure gauge connecting pipes.
4. The ultra-low nitrogen non-detection gas heat transfer oil heater of claim 2, wherein: and an external heat exchange device is connected between the oil outlet pipe and the oil return pipe.
5. The ultra-low nitrogen non-detection gas heat transfer oil heater of claim 2, wherein: the oil pump driving assembly consists of a driving motor, a coupler and an oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321739810.XU CN220436797U (en) | 2023-07-04 | 2023-07-04 | Ultralow nitrogen non-detection gas heat conducting oil heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321739810.XU CN220436797U (en) | 2023-07-04 | 2023-07-04 | Ultralow nitrogen non-detection gas heat conducting oil heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220436797U true CN220436797U (en) | 2024-02-02 |
Family
ID=89694066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321739810.XU Active CN220436797U (en) | 2023-07-04 | 2023-07-04 | Ultralow nitrogen non-detection gas heat conducting oil heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220436797U (en) |
-
2023
- 2023-07-04 CN CN202321739810.XU patent/CN220436797U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |