CN112361343A - High heat accumulation formula of security burns burning furnace electric heater - Google Patents
High heat accumulation formula of security burns burning furnace electric heater Download PDFInfo
- Publication number
- CN112361343A CN112361343A CN202011256572.8A CN202011256572A CN112361343A CN 112361343 A CN112361343 A CN 112361343A CN 202011256572 A CN202011256572 A CN 202011256572A CN 112361343 A CN112361343 A CN 112361343A
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- CN
- China
- Prior art keywords
- junction box
- electric heater
- plate flange
- tube bundle
- tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009825 accumulation Methods 0.000 title claims description 3
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 238000005485 electric heating Methods 0.000 claims abstract description 38
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 230000001172 regenerating effect Effects 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 29
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/10—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/022—Air heaters with forced circulation using electric energy supply
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a high-safety heat accumulating type incinerator electric heater, which comprises a junction box and an electric heating tube bundle, wherein one end of the electric heating tube bundle is arranged in the junction box, a tube plate flange is arranged on the electric heating tube bundle on one side of the junction box, a baffle plate is uniformly arranged on the electric heating tube bundle on the right side of the tube plate flange, the center point of the tube plate flange and the center line point of the junction box are on the same horizontal line, mounting holes are uniformly formed in the outer circumferential surface of the tube plate flange, and lug hanging holes are formed in the tube plate flange. This be provided with K type thermocouple, electric heat tube bank and cooling jacket, increased the automation level of device, make the constant temperature heating that the electric heat tube bank can be realized to the device, guaranteed heating quality, avoid appearing heating temperature invisible and uncontrollable problem that leads to the interior temperature out of control of stove when using, increased the security of heating, moreover, when needs maintenance, cooling jacket can realize cooling down rapidly, improves maintenance efficiency this moment.
Description
Technical Field
The invention relates to an electric heater of a heat accumulating type incinerator, which is high in safety.
Background
The heat accumulating combustion technology is a technology of combustion under the condition of high temperature and low oxygen content, also called as high temperature air combustion technology, fundamentally improves the energy utilization rate of the heating furnace, especially reasonably utilizes low heat value fuel (such as blast furnace gas), reduces the emission of pollutants (blast furnace gas), saves energy, becomes an advanced technology meeting the current resource and environmental requirements, in addition, the adoption of the heat accumulating combustion technology strengthens the furnace gas circulation in the heating furnace, evens the temperature field of the furnace, improves the heating quality, has obvious effect, and the heat accumulating combustion technology needs to be matched with an electric heater for use. The electric heater is a kind of international popular electric heating equipment, used for heating up, keeping warm, heating to flowing liquid and gaseous media, when the heating medium passes through the electric heater heating cavity under the action of pressure, the huge heat produced in the working of the electric heating element is uniformly taken away by adopting the fluid thermodynamic principle, so that the temperature of the heated medium reaches the user technological requirements.
The existing device is low in heating quality when in use, low in heating safety, low in heating speed and poor in stability in a high-temperature operation state, cannot timely perform temperature control treatment on the inside of an incinerator when in use, and therefore a heat accumulating type incinerator electric heater with high safety is provided.
Disclosure of Invention
The invention aims to provide an electric heater of a heat accumulating type incinerator with high safety so as to solve the problem that the temperature control treatment cannot be timely carried out in the incinerator when the electric heater is used, which is proposed in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the high-safety heat accumulating type incinerator electric heater comprises a junction box and an electric heating tube bundle, one end of the electric heating tube bundle is arranged inside the junction box, a tube plate flange is arranged on the electric heating tube bundle on one side of the junction box, baffle plates are uniformly arranged on the electric heating tube bundle on the right side of the tube plate flange, the center point of the tube plate flange and the center line point of the junction box are on the same horizontal line, mounting holes are uniformly formed in the outer circumferential surface of the tube plate flange, and a hanging lug is arranged on the tube plate flange.
Preferably, a cooling area is arranged between the junction box and the tube plate flange, and a cooling tube sleeve is sleeved on the outer side of the electric heating tube bundle in the cooling area.
Preferably, the number of the cooling pipe sleeves is the same as that of the electric heating pipe bundles, and the central line of the cooling pipe sleeves and the central line of the electric heating pipe bundles are on the same horizontal line.
Preferably, one end of the cooling pipe sleeve penetrates through the junction box, the other end of the cooling pipe sleeve penetrates through the pipe plate flange, the cooling pipe sleeve and the junction box are welded through argon arc welding, and the cooling pipe sleeve and the pipe plate flange are welded through argon arc welding.
Preferably, a tube bundle connector is mounted on the electric heating tube bundle in the junction box, and the tube bundle connector is mounted at one end of the electric heating tube bundle.
Preferably, a K-type thermocouple is installed in the junction box and connected with the electric heating tube bundle.
Preferably, a control cable lead-in device assembly is arranged on the front surface of the junction box, and the control cable lead-in device assembly is detachably connected with the junction box.
Preferably, a cable leading-in device assembly is arranged on the lower surface of the junction box, and the cable leading-in device assembly is detachably connected with the junction box.
Preferably, an inner and outer grounding wire device is installed at the lower right position of the junction box, and the inner and outer grounding wire device is detachably connected with the junction box.
Preferably, the wiring box is internally provided with a wiring busbar frame assembly, and the wiring busbar frame assembly is detachably connected with the wiring box.
Compared with the prior art, the invention has the beneficial effects that:
the device can realize the constant-temperature heating of the electric heating tube bundle, ensures the heating quality, avoids the problem of out-of-control temperature in the furnace caused by invisible and uncontrollable heating temperature during use, increases the stability of the device under high-temperature operation, increases the heating safety, and not only can realize rapid cooling of the cooling sleeve when maintenance is needed, but also improves the maintenance efficiency.
Drawings
FIG. 1 is a front view of the apparatus of the present invention;
FIG. 2 is an assembly view of the junction box and tubesheet flange of FIG. 1 in accordance with the present invention;
FIG. 3 is a side view of the tube sheet flange of FIG. 1 of the present invention.
In the figure: 1. a junction box; 2. a type K thermocouple; 3. a wiring busbar frame assembly; 4. a tube sheet flange; 5. an electrothermal tube bundle; 6. a baffle plate; 7. a cable lead-in assembly; 8. an inner and outer ground wire device; 9. a tube bundle joint; 10. cooling the pipe sleeve; 11. a cable entry device assembly; 12. a cooling zone.
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. 1-3, the present invention provides a technical solution: a high-safety heat accumulating type incinerator electric heater comprises a junction box 1 and an electric heating tube bundle 5, wherein one end of the electric heating tube bundle 5 is arranged inside the junction box 1, a tube plate flange 4 is arranged on the electric heating tube bundle 5 on one side of the junction box 1, a baffle plate 6 is uniformly arranged on the electric heating tube bundle 5 on the right side of the tube plate flange 4, the center point of the tube plate flange 4 and the center line point of the junction box 1 are on the same horizontal line, mounting holes are uniformly formed in the outer circumferential surface of the tube plate flange 4, lugs are arranged on the tube plate flange 4, a cooling area 12 is arranged between the junction box 1 and the tube plate flange 4, cooling pipe sleeves 10 are sleeved on the outer side of the electric heating tube bundle 5 inside the cooling area 12, the number of the cooling pipe sleeves 10 is the same as that the electric heating tube bundles 5 are arranged, the center line point of the cooling pipe sleeves, the other end of the cooling pipe sleeve 10 penetrates through the pipe plate flange 4, the cooling pipe sleeve 10 and the junction box 1 are welded through argon arc welding, the cooling pipe sleeve 10 and the pipe plate flange 4 are welded through argon arc welding, a pipe bundle joint 9 is installed on an electric heating pipe bundle 5 in the junction box 1, the pipe bundle joint 9 is installed at one end of the electric heating pipe bundle 5, a K-shaped thermocouple 2 is installed in the junction box 1, the K-shaped thermocouple 2 is connected with the electric heating pipe bundle 5, a cable control leading-in device assembly 11 is arranged on the front surface of the junction box 1, the cable control leading-in device assembly 11 is detachably connected with the junction box 1, a cable leading-in device assembly 7 is arranged on the lower surface of the junction box 1, the cable leading-in device assembly 7 is detachably connected with the junction box 1, an inner grounding wire device 8 and an outer, the wiring box 1 is internally provided with a wiring busbar frame assembly 3, the wiring busbar frame assembly 3 is detachably connected with the wiring box 1, when the wiring box is used, the wiring box 1 is opened, one end of a cable is led into the wiring box 1 from a cable lead-in device assembly 7 at the moment, the cable is connected onto the wiring busbar frame assembly 3, one end of a control cable is led into the wiring box 1 from a control cable lead-in device assembly 11 at the moment, the control cable is connected onto the wiring busbar frame assembly 3 at the moment, preliminary wiring is realized at the moment, after the wiring is finished, an external hoisting device is used for hanging a hook on a hanging lug of a tube plate flange 4, the device is hoisted at the moment, after the hoisting, the device is arranged in an incinerator, the tube plate flange 4 is fixed on the incinerator through bolts at the moment, after the fixing is finished, a ground wire is connected onto an internal ground wire device 8 and, the device is integrally installed, when the device is used, the electric heating tube bundle 5 performs high-temperature heating treatment in the furnace, when the device is heated, the K-type thermocouple 2 monitors the temperature of the electric heating tube bundle 5 in real time, and is matched with the cooling sleeve 10 to perform temperature control treatment on the electric heating tube bundle 5, so that the heating temperature of the electric heating tube bundle 5 is ensured to be between 800 and 850 ℃, the stability and the safety of the device during high-temperature heating are ensured while high-efficiency heating is performed, safety accidents during heating are avoided, and the safety in the furnace is ensured.
A method for installing and using an electric heater of a regenerative incinerator with high safety comprises the following steps:
(A) firstly, opening the junction box 1, introducing one end of a cable into the junction box 1 from a cable introducing device assembly 7, and then connecting the cable to a wiring busbar frame assembly 3;
(B) then, one end of a control cable is led into the junction box 1 from the control cable lead-in device assembly 11, and then the control cable is connected to the wiring busbar frame assembly 3, so that preliminary wiring is realized, and wiring is finished;
(C) then, an external hoisting device is used for hanging the hook on a hanging lug of the tube plate flange 4, the device is hoisted at the moment, after the device is hoisted, the device is installed in the incinerator, and the tube plate flange 4 is fixed on the incinerator through bolts at the moment to finish the fixation;
(D) then the ground wire is connected to the internal and external ground wire devices 8, after the connection is finished, the whole installation of the device is realized, when in use, the device is connected with an external power supply, the electric heating tube bundle 5 is heated in the incinerator, the K-type thermocouple 2 monitors the temperature of the electric heating tube bundle 5 in real time, when the temperature exceeds the rated value, the cooling liquid is added into the cooling jacket 10, and the cooling liquid inside the cooling jacket 10 is cooled circularly, so that the temperature of the tube bundle can be controlled, in the process, the K-type thermocouple 2, the electric heating tube bundle 5 and the cooling sleeve 10 are used in a matched mode, so that the automation level of the device is increased, the device can realize constant-temperature heating of the electric heating tube bundle 5, the heating quality is guaranteed, the problem that the temperature in the furnace is out of control due to invisible and uncontrollable heating temperature in the use process is solved, and the heating safety is improved;
(E) and finally, when the device needs to be maintained, the cooling sleeve 10 can realize rapid cooling, the maintenance efficiency is improved at the moment, and when the device is used, the existence of the baffle plate 6 increases the stroke of the fluid on the electric heating tube bundle 5, so that the fluid realizes turbulent flow, the heating time is prolonged, and the heating is more sufficient.
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 (10)
1. The utility model provides a high heat accumulation formula of security burns burning furnace electric heater, includes terminal box (1) and electrothermal tube bundle (5), its characterized in that: one end of the electric heat pipe bundle (5) is arranged inside the junction box (1), a pipe plate flange (4) is arranged on the electric heat pipe bundle (5) on one side of the junction box (1), baffle plates (6) are uniformly arranged on the electric heat pipe bundle (5) on the right side of the pipe plate flange (4), the center point of the pipe plate flange (4) and the center line point of the junction box (1) are on the same horizontal line, mounting holes are uniformly formed in the outer circumferential surface of the pipe plate flange (4), and a hanging lug is arranged on the pipe plate flange (4).
2. A high safety electric heater for a regenerative incinerator according to claim 1 further comprising: a cooling area (12) is arranged between the junction box (1) and the tube plate flange (4), and a cooling tube sleeve (10) is sleeved on the outer side of the electric heat tube bundle (5) in the cooling area (12).
3. A high safety electric heater for a regenerative incinerator according to claim 2, further comprising: the number of the cooling pipe sleeves (10) is the same as that of the electric heating pipe bundles (5), and the central line point of the cooling pipe sleeves (10) and the central line point of the electric heating pipe bundles (5) are on the same horizontal line.
4. A high safety electric heater for a regenerative incinerator according to claim 2, further comprising: junction box (1) is passed to cooling pipe sleeve (10) one end, and the other end of cooling pipe sleeve (10) passes tube sheet flange (4), weld through argon arc welding between cooling pipe sleeve (10) and junction box (1), weld through argon arc welding between cooling pipe sleeve (10) and tube sheet flange (4).
5. A high safety electric heater for a regenerative incinerator according to claim 1 further comprising: a tube bundle connector (9) is mounted on the electric heat tube bundle (5) in the junction box (1), and the tube bundle connector (9) is mounted at one end of the electric heat tube bundle (5).
6. A high safety electric heater for a regenerative incinerator according to claim 1 further comprising: the junction box is characterized in that a K-type thermocouple (2) is installed inside the junction box (1), and the K-type thermocouple (2) is connected with the electric heating tube bundle (5).
7. A high safety electric heater for a regenerative incinerator according to claim 1 further comprising: the front surface of the junction box (1) is provided with a cable control leading-in device assembly (11), and the cable control leading-in device assembly (11) is detachably connected with the junction box (1).
8. A high safety electric heater for a regenerative incinerator according to claim 1 further comprising: the lower surface of the junction box (1) is provided with a cable leading-in device assembly (7), and the cable leading-in device assembly (7) is detachably connected with the junction box (1).
9. A high safety electric heater for a regenerative incinerator according to claim 1 further comprising: the inner and outer grounding wire device (8) is installed on the right lower position of the junction box (1), and the inner and outer grounding wire device (8) is detachably connected with the junction box (1).
10. A high safety electric heater for a regenerative incinerator according to claim 1 further comprising: terminal box (1) internally mounted has female frame assembly of wiring (3), detachable connection between female frame assembly of wiring (3) and terminal box (1).
Priority Applications (1)
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CN202011256572.8A CN112361343A (en) | 2020-11-11 | 2020-11-11 | High heat accumulation formula of security burns burning furnace electric heater |
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CN202011256572.8A CN112361343A (en) | 2020-11-11 | 2020-11-11 | High heat accumulation formula of security burns burning furnace electric heater |
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CN202011256572.8A Pending CN112361343A (en) | 2020-11-11 | 2020-11-11 | High heat accumulation formula of security burns burning furnace electric heater |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113218074A (en) * | 2021-05-11 | 2021-08-06 | 镇江力帆防爆电器有限公司 | Safety high-pressure water heater |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113218074A (en) * | 2021-05-11 | 2021-08-06 | 镇江力帆防爆电器有限公司 | Safety high-pressure water heater |
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Address after: 212000 No.393, Dagang Yinhe Road, Zhenjiang New District, Zhenjiang City, Jiangsu Province Applicant after: Jiangsu kaibosi explosion proof electric heater Co.,Ltd. Address before: 212000 No.38, Dagang Yinhe Road, New District, Zhenjiang City, Jiangsu Province Applicant before: Jiangsu kaibosi explosion proof electric heater Co.,Ltd. |
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Application publication date: 20210212 |
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