CN211668259U - Energy-saving natural gas heat supply type closed-pore expansion furnace equipment - Google Patents
Energy-saving natural gas heat supply type closed-pore expansion furnace equipment Download PDFInfo
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- CN211668259U CN211668259U CN201922400167.8U CN201922400167U CN211668259U CN 211668259 U CN211668259 U CN 211668259U CN 201922400167 U CN201922400167 U CN 201922400167U CN 211668259 U CN211668259 U CN 211668259U
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000003345 natural gas Substances 0.000 title claims abstract description 22
- 239000011148 porous material Substances 0.000 title claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 238000004017 vitrification Methods 0.000 claims description 4
- 230000010261 cell growth Effects 0.000 claims 4
- 239000004576 sand Substances 0.000 abstract description 8
- 235000019362 perlite Nutrition 0.000 abstract description 7
- 239000010451 perlite Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 229910001562 pearlite Inorganic materials 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000004127 vitreous body Anatomy 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000779 smoke Substances 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to the technical field of special equipment for closed-cell perlite, in particular to energy-saving natural gas heat supply type closed-cell expansion furnace equipment, which comprises a feeding mechanism; the feed inlet of the internal heating type preheating furnace is connected with the discharge outlet of the feeding mechanism; the tail gas port of the closed-pore expansion furnace is connected with an internal circulation pipeline of the internal heating type preheating furnace, and the discharge port of the internal heating type preheating furnace is connected with the feed inlet of the closed-pore expansion furnace; and a feeding hole of the discharging mechanism is connected with a discharging hole of the closed-pore expansion furnace. The utility model discloses a high temperature flue gas when interior hot type preheater fried sand utilizes obturator expansion furnace gas combustion makes interior hot type preheater temperature reach pearlite ore sand pre-expansion temperature, no longer consumes the energy in addition, possesses advantages such as energy-concerving and environment-protective, reduction in production cost, simple structure, convenient operation.
Description
Technical Field
The utility model relates to a obturator pearlite professional equipment technical field, concretely relates to energy-saving natural gas heat supply formula obturator expansion furnace equipment.
Background
Perlite is a volcano-erupted acidic lava, a vitreous rock obtained by rapidly cooling perlite, and is named because it has a pearl fracture structure. When the acid lava is sprayed out of the surface, the viscosity of the magma is so great that a large amount of water vapor cannot escape from the magma and remain in the vitreous. When it is roasted, the glass material is heated suddenly to soften it, so that the combined water in the glass material is vaporized to produce great pressure and the volume of the glass material is quickly expanded. When the vitreous body is cooled to the temperature below the softening temperature, the vitreous body is condensed into a cavity structure to form the porous expanded perlite. An expansion furnace is a piece of equipment that is made to meet this expansion process of perlite.
The existing natural gas expansion furnace consumes a large amount of natural gas energy to ignite the heating furnace body, the preheating furnace also needs to consume a large amount of natural gas energy to ignite the heating furnace body, heat generated in the process that the expansion furnace reaches the set temperature cannot be effectively utilized, resources are wasted, and the current situation needs to be changed along with the improvement of national requirements on energy conservation and environmental protection.
Disclosure of Invention
In order to solve the problem that exists among the prior art, the utility model aims at providing an energy-saving natural gas heat supply formula obturator expansion furnace equipment, the interior hot type preheater is fried sand and is utilized the high temperature flue gas when obturator expansion furnace gas burning, makes interior hot type preheater temperature reach pearlite ore sand pre-expansion temperature, no longer consumes the energy in addition, possesses advantages such as energy-concerving and environment-protective, reduction in production cost, simple structure, convenient operation.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a pair of energy-saving natural gas heat supply formula obturator expansion furnace equipment, include:
a feeding mechanism;
the feed inlet of the internal heating type preheating furnace is connected with the discharge outlet of the feeding mechanism;
the tail gas port of the closed-pore expansion furnace is connected with an internal circulation pipeline of the internal heating type preheating furnace, and the discharge port of the internal heating type preheating furnace is connected with the feed inlet of the closed-pore expansion furnace;
and a feeding hole of the discharging mechanism is connected with a discharging hole of the closed-pore expansion furnace.
Further, feed mechanism includes feeder hopper, lifting machine one and buffer bin, the discharge gate of feeder hopper is connected with the feed inlet of a lower part of lifting machine, the discharge gate on an upper portion of lifting machine is connected with buffer bin's feed inlet, buffer bin's discharge gate and interior hot type preheater's feed inlet are connected.
Further, a heat exchanger is arranged between the internal heating type preheating furnace and the closed-pore expansion furnace.
And further, the device also comprises a first induced draft fan, wherein the first induced draft fan is connected to the heat exchanger, so that the high-temperature flue gas in the closed-pore expansion furnace is introduced to the internal-heating preheating furnace through the heat exchanger.
The internal heating type preheating furnace is characterized by further comprising a second elevator, a storage bin and a distributor, wherein a discharge port of the internal heating type preheating furnace is connected with a feed inlet at the lower part of the second elevator, a discharge port at the upper part of the second elevator is connected with a feed inlet of the storage bin, a discharge port of the storage bin is connected with a feed inlet of the distributor, and a discharge port of the distributor is connected with a feed inlet of the closed-cell expansion furnace.
Further, a stainless steel inner core pipe is arranged inside the closed-cell expansion furnace, the inside of the closed-cell expansion furnace is divided into four temperature zones, and the heating zone, the expansion zone, the vitrification zone and the balling zone are sequentially arranged from top to bottom.
Further, discharge mechanism includes material collector, conveying pipe and finished product feed bin, the discharge gate of obturator expansion furnace is connected with the feed inlet of material collector, and the discharge gate of material collector is connected with the feed inlet of conveying pipe, sets up draught fan two at the tip of conveying pipe, and the discharge gate of conveying pipe is connected with the feed inlet of finished product feed bin.
Further, the discharge gates of the buffer bin, the storage bin and the finished product bin are all provided with electric gate valves.
Furthermore, the dust collector also comprises a first bag-type dust collector, a multi-pipe dust collector and a second bag-type dust collector which are connected with dust collection covers arranged at each dust raising point through dust collection pipelines.
Furthermore, thermocouples are respectively arranged in four temperature areas of the closed-pore expansion furnace.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses an energy-saving natural gas heat supply formula obturator expansion furnace equipment, the high temperature flue gas when interior hot type preheater utilizes the obturator expansion furnace burning, under the effect of draught fan one, make the stainless steel inner core pipe of obturator expansion furnace and the high temperature flue gas between the heat preservation get into interior hot type preheater through the heat exchanger conversion, make interior hot type preheater temperature reach pearlite ore sand pre-expansion temperature, make the ore sand reach the pre-expansion effect, no longer consume the energy in addition, obturator expansion furnace heat utilization rate has been improved, energy saving and environmental protection, and production cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an energy-saving natural gas heating type closed-cell expansion furnace device according to an embodiment of the present invention.
The reference numbers in the figures denote: 1. the system comprises a feed hopper, a first elevator, a second elevator, a third elevator, a buffer bin, a fourth elevator, a fifth elevator, a sixth.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments.
As shown in fig. 1, the energy-saving natural gas heating type closed-cell expansion furnace equipment of the embodiment includes a feeding mechanism, an internal heating type preheating furnace 4, a closed-cell expansion furnace 10 and a discharging mechanism.
The feeding mechanism comprises a feeding hopper 1, a first elevator 2 and a buffer bin 3, wherein a discharge hole of the feeding hopper 1 is connected with a feed inlet at the lower part of the first elevator 2, a discharge hole at the upper part of the first elevator 2 is connected with a feed inlet of the buffer bin 3, a discharge hole of the buffer bin 3 is connected with a feed inlet of the internal heating type preheating furnace 4, and the first elevator 2 can adopt a screw conveyor.
A heat exchanger 5 is arranged between the internal heating type preheating furnace 4 and the closed-pore expansion furnace 10, and a second elevator 7, a storage bin 8 and a distributor 9 are also arranged; a discharge port of the internal heating type preheating furnace 4 is connected with a feed port at the lower part of a second elevator 7, a discharge port at the upper part of the second elevator 7 is connected with a feed port of a storage bin 8, a discharge port of the storage bin 8 is connected with a feed port of a distributing device 9, and a discharge port of the distributing device 9 is connected with a feed port of a closed-cell expansion furnace 10; and a tail gas port of the closed-cell expansion furnace 10 is connected with an internal circulation pipeline 25 of the internal heating type preheating furnace 4 through a heat exchanger 5, and a first induced draft fan 6 is connected to the heat exchanger 5, so that high-temperature flue gas in the closed-cell expansion furnace 10 is led to the internal heating type preheating furnace 4 through the heat exchanger 5.
The inside of the closed-pore expansion furnace 10 in the embodiment is provided with the stainless steel inner core tube 12, natural gas is firstly sent into the furnace body, then the stainless steel inner core tube 12 is heated by ignition, the furnace temperature is adjustable according to the volume weight requirement of a user on a product and the yield, and ore sand materials flowing in the high-temperature core tube are heated by means of heat radiation. The closed-cell expansion furnace 10 is internally divided into four temperature zones, which are a heating zone 14, an expansion zone 15, a vitrification zone 16 and a balling zone 17 from top to bottom in sequence, wherein each temperature zone is set differently according to different temperatures of raw materials, and the four temperature zones are respectively provided with thermocouples for monitoring the temperature of each temperature zone.
The discharging mechanism comprises a material collector 18, a feeding pipe 19 and a finished product bin 20, a discharging port of the closed-cell expansion furnace 10 is connected with a feeding port of the material collector 18, a discharging port of the material collector 18 is connected with a feeding port of the feeding pipe 19, a second induced draft fan 21 is arranged at the end part of the feeding pipe 19, a discharging port of the feeding pipe 19 is connected with a feeding port of the finished product bin 20, and a screw conveyor can be adopted as the second elevator 7. The electric gate valves 11 are arranged at the discharge ports of the buffer bin 3, the storage bin 8 and the finished product bin 20, and the discharge amount can be set according to the different sizes and qualities of the raw material particle diameters. A water cooling system is mounted outside the feed pipe 19.
In addition to the above structure, the dust collection device comprises a first bag-type dust collector 23, a multi-pipe dust collector 24 and a second bag-type dust collector 22, wherein dust can be raised in the production of perlite ore sand, which can cause environmental pollution and harm to the health of workers, dust raising points can be arranged on each device, the dust is collected by a dust collection cover and then led to the first bag-type dust collector 23, the multi-pipe dust collector 24 and the second bag-type dust collector 22 through a dust collection pipeline to be filtered and then discharged, a chimney 13 is arranged at the rear parts of the first bag-type dust collector 23 and the second bag-type dust collector 22 to carry out high-altitude discharge, and the discharge amount of the discharged smoke dust is lower than3Meets the national environmental monitoring and emission requirements and avoids environmental pollution.
The device also comprises a PLC controller, wherein the CPU is XC3-48R-E in model, receives a temperature signal of the thermocouple and sends a control instruction to each device.
The working principle is as follows:
the closed-cell expansion furnace 10 ignites a stainless steel inner core pipe 12 in the heating furnace to enable the temperature in the furnace to reach the material expansion temperature, a first induced draft fan 6 is started at the same time, high-temperature flue gas between the stainless steel inner core pipe 12 and a heat insulation layer is led to an internal-heat preheating furnace 4 through a heat exchanger 5, the internal-heat preheating furnace 4 is heated when the high-temperature flue gas passes through an internal circulation pipeline 25 of the internal-heat preheating furnace 4 to enable the temperature of the internal-heat preheating furnace 4 to reach the ore pre-expansion temperature, feeding is started after the internal-heat preheating furnace 4 and the closed-cell expansion furnace 10 reach set temperatures, raw materials are conveyed from a feed hopper 1 to the internal-heat preheating furnace 4 through a first elevator 2 and a buffer bin 3, automatically flow to a second elevator 7 after preheating treatment, and then uniformly flow to the stainless steel inner core pipe 12 of the closed-; the material passes through four sections with set temperature in a free falling mode in a heated high-temperature core pipe, namely: the heating zone 14, the expansion zone 15, the vitrification zone 16 and the balling zone 17, the balling closed-cell expanded perlite falls to a material collector 18, and then is sent to a material conveying pipe 19 by a second induced draft fan 21, and then is sent to a finished product bin 20, and the production process is completed.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Finally, it is to be noted that: the above description is only the preferred embodiment of the present invention, which is only used to illustrate the technical solution of the present invention, and is not used to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an energy-saving natural gas heating formula obturator expansion furnace equipment which characterized in that includes:
a feeding mechanism;
the feed inlet of the internal heating type preheating furnace is connected with the discharge outlet of the feeding mechanism;
the tail gas port of the closed-pore expansion furnace is connected with an internal circulation pipeline of the internal heating type preheating furnace, and the discharge port of the internal heating type preheating furnace is connected with the feed inlet of the closed-pore expansion furnace;
and a feeding hole of the discharging mechanism is connected with a discharging hole of the closed-pore expansion furnace.
2. The energy-saving natural gas heating type closed-cell expansion furnace equipment as claimed in claim 1, wherein the feeding mechanism comprises a feeding hopper, a first elevator and a buffer bin, a discharge port of the feeding hopper is connected with a feed port at the lower part of the first elevator, a discharge port at the upper part of the first elevator is connected with a feed port of the buffer bin, and a discharge port of the buffer bin is connected with a feed port of the internal heating type preheating furnace.
3. The energy efficient natural gas heating closed cell expansion furnace plant of claim 1, wherein a heat exchanger is provided between the internally heated preheat furnace and the closed cell expansion furnace.
4. The energy-saving natural gas heating type closed-cell expansion furnace equipment as claimed in claim 3, further comprising a first induced draft fan, wherein the first induced draft fan is connected to the heat exchanger, so that high-temperature flue gas in the closed-cell expansion furnace is guided to the internal heating type preheating furnace through the heat exchanger.
5. The energy-saving natural gas heating type closed-cell expansion furnace equipment as claimed in claim 2, further comprising a second elevator, a storage bin and a distributor, wherein the discharge port of the internal heating type preheating furnace is connected with the feed port at the lower part of the second elevator, the discharge port at the upper part of the second elevator is connected with the feed port of the storage bin, the discharge port of the storage bin is connected with the feed port of the distributor, and the discharge port of the distributor is connected with the feed port of the closed-cell expansion furnace.
6. The energy-saving natural gas heating type closed-cell expansion furnace equipment as claimed in claim 1, wherein a stainless steel inner core pipe is arranged inside the closed-cell expansion furnace, the closed-cell expansion furnace is internally divided into four temperature zones, namely a heating zone, an expansion zone, a vitrification zone and a balling zone from top to bottom.
7. The energy-saving natural gas heating type closed cell expansion furnace equipment as claimed in claim 5, wherein the discharging mechanism comprises a material collector, a feeding pipe and a finished product bin, a discharging port of the closed cell expansion furnace is connected with a feeding port of the material collector, a discharging port of the material collector is connected with a feeding port of the feeding pipe, a second induced draft fan is arranged at the end part of the feeding pipe, and a discharging port of the feeding pipe is connected with a feeding port of the finished product bin.
8. The energy-saving natural gas heating closed-cell expansion furnace equipment as claimed in claim 7, wherein the discharge ports of the buffer bin, the storage bin and the finished product bin are provided with electric gate valves.
9. The energy-saving natural gas heating type closed-cell expansion furnace equipment as claimed in claim 1, further comprising a first bag-type dust remover, a multi-tube dust remover and a second bag-type dust remover, wherein the first bag-type dust remover, the multi-tube dust remover and the second bag-type dust remover are connected with dust collection covers arranged at each dust lifting point through dust collection pipelines.
10. The closed-cell expansion furnace plant of claim 6, wherein thermocouples are provided in each of the four temperature zones of the closed-cell expansion furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400167.8U CN211668259U (en) | 2019-12-27 | 2019-12-27 | Energy-saving natural gas heat supply type closed-pore expansion furnace equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400167.8U CN211668259U (en) | 2019-12-27 | 2019-12-27 | Energy-saving natural gas heat supply type closed-pore expansion furnace equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211668259U true CN211668259U (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922400167.8U Expired - Fee Related CN211668259U (en) | 2019-12-27 | 2019-12-27 | Energy-saving natural gas heat supply type closed-pore expansion furnace equipment |
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| Country | Link |
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| CN (1) | CN211668259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11859905B2 (en) | 2020-08-21 | 2024-01-02 | Omya International Ag | Device for producing expanded granulated material |
-
2019
- 2019-12-27 CN CN201922400167.8U patent/CN211668259U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11859905B2 (en) | 2020-08-21 | 2024-01-02 | Omya International Ag | Device for producing expanded granulated material |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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