CN214371797U - Waste gas waste heat utilization device of gas combustion heat treatment furnace - Google Patents
Waste gas waste heat utilization device of gas combustion heat treatment furnace Download PDFInfo
- Publication number
- CN214371797U CN214371797U CN202120409857.4U CN202120409857U CN214371797U CN 214371797 U CN214371797 U CN 214371797U CN 202120409857 U CN202120409857 U CN 202120409857U CN 214371797 U CN214371797 U CN 214371797U
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- heat treatment
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 66
- 239000007789 gas Substances 0.000 title claims abstract description 60
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 52
- 239000002912 waste gas Substances 0.000 title claims abstract description 31
- 239000002918 waste heat Substances 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 176
- 238000003860 storage Methods 0.000 claims abstract description 65
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 8
- 239000003546 flue gas Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000005485 electric heating Methods 0.000 abstract description 3
- 238000007669 thermal treatment Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000005611 electricity Effects 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- 238000009841 combustion method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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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
- 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
-
- 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
- Y02P10/25—Process efficiency
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a waste gas waste heat utilization equipment of gas combustion heat treatment stove, include spiral pipe, storage water tank, connect in the first inlet tube and the first outlet pipe at spiral pipe both ends, the spiral pipe sets up in the top of the exhanst gas outlet of gas combustion heat treatment stove, the other end of first outlet pipe with storage water tank connection, the storage water tank is provided with the delivery port, and the rear of gas combustion heat treatment stove is provided with and is used for carrying out abluent cleaning machine to the accessory through thermal treatment, the storage water tank set up in the top of cleaning machine, the delivery port of storage water tank pass through the second outlet pipe with the cleaning machine is connected, be provided with the level gauge on the storage water tank. The waste gas waste heat utilization device can be applied to various heat treatment equipment such as heat treatment multipurpose furnaces and pit furnaces which adopt gas combustion, and the like, replaces electric heating to produce hot water, realizes the reutilization of waste energy, saves electric energy and saves production cost.
Description
Technical Field
The utility model belongs to gas combustion heat treatment furnace waste heat utilization field, specifically speaking relates to a gas combustion heat treatment furnace's waste gas waste heat utilization equipment.
Background
The waste heat is energy which is not utilized in energy utilization equipment under certain economic and technical conditions, namely redundant and waste energy. The waste heat recycling is an important way for improving the economy and saving the fuel. Gas combustion heat treatment furnaces such as heat treatment multipurpose furnaces and pit furnace waste gas can be in a long-term combustion state in the use process, and heat at a smoke outlet is completely lost, so that waste is caused. Therefore, how to reasonably recycle the heat at the flue gas outlet of the gas combustion heat treatment furnace is a technical problem to be solved urgently by the technical personnel in the field.
To the above-mentioned problem, put forward the utility model discloses specially.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, a waste gas heat utilization device for a gas combustion heat treatment furnace has been proposed. In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a waste gas waste heat utilization equipment of gas combustion heat treatment stove, includes spiral pipe, storage water tank, connects in the first inlet tube and the first outlet pipe at spiral pipe both ends, the spiral pipe sets up in the top of the exhanst gas outlet of gas combustion heat treatment stove, the other end of outlet pipe with storage water tank connection, the storage water tank is provided with the delivery port.
Preferably, a cleaning machine used for cleaning heat-treated accessories is arranged behind the gas combustion heat treatment furnace, the water storage tank is arranged above the cleaning machine, a water outlet of the water storage tank is connected with the cleaning machine through a second water outlet pipe, and a liquid level meter is arranged on the water storage tank.
Preferably, the water storage tank is further provided with a water outlet and an overflow port, the water outlet and the overflow port are respectively connected with a third water outlet pipe and an overflow pipe, and the second water outlet pipe and the third water outlet pipe are respectively provided with a switch valve.
Preferably, the water inlet pipe is connected with the lower end of the spiral pipe, and the water outlet pipe is connected with the upper end of the spiral pipe.
Preferably, a support is arranged at a flue gas outlet of the gas combustion heat treatment furnace, and the spiral pipe is arranged on the support.
Preferably, the support is two relative channel-section steels that set up, and two relative settings of channel-section steel are along the border outside in gas combustion heat treatment furnace's exhanst gas outlet department, and the spiral pipe is arranged in on two channel-section steels.
Preferably, still include controller and alarm, the level gauge is level sensor, alarm and level sensor respectively with controller communication connection.
Preferably, be provided with agitating unit and temperature sensor in the storage water tank, agitating unit stirs the water in the storage water tank through motor drive, the motor set up in the upper portion of storage water tank, still be provided with the water inlet on the storage water tank, water inlet department is connected with the second inlet tube, be provided with solenoid valve and water pump on the second inlet tube, motor, temperature sensor, solenoid valve and water pump respectively with controller communication connection.
Has the advantages that:
1. the utility model provides a waste gas waste heat utilization equipment sets up the spiral pipe through the exhanst gas outlet at gas combustion heat treatment furnace, the spiral pipe is intake from the lower extreme, the upper end goes out water, gas combustion heat treatment furnace's exhanst gas outlet department's waste heat heats the spiral pipe, and then make the temperature of the flowing water through the spiral pipe rise, the water through the heating flows to obtaining the higher water of temperature in the water storage tank from the upper end of spiral pipe, the higher water of this temperature can flow to the cleaning machine at gas combustion heat treatment furnace rear, it adopts the electrical heating to obtain hydrothermal mode to replace the cleaning machine, the reuse of the waste energy has been realized, the electric energy has been practiced thrift, the manufacturing cost is saved, the higher heating water of temperature also can let in the water storage tank in need hydrothermal place such as firing equipment, it all can play the effect of the energy can be saved.
2. The utility model provides a waste gas waste heat utilization equipment can be applied to various heat treatment multipurpose furnaces that adopt gas combustion, heat treatment equipment such as pit furnace, replace the electrical heating to make hot water, it can guarantee the normal cleaning temperature of accessory, when it is applied to multipurpose furnace and pit furnace, multipurpose furnace cleaning machine heating power is 78kW, pit furnace cleaning machine heating power is 120kW, multipurpose furnace can the using electricity saving 400 remaining every day, pit furnace can the using electricity saving 600 remaining every day, can save the charges of electricity 1000 yuyuan every day in total, the annual saving manufacturing cost 36 ten thousand yuan.
3. The water inlet of the spiral pipe is in a mode of entering from bottom to top and discharging from top, and the mode can fully utilize waste gas waste heat at the smoke outlet of the gas combustion heat treatment furnace, so that the water heating temperature is higher.
Drawings
FIG. 1 is a schematic structural diagram of the waste gas waste heat utilization device of the gas combustion heat treatment furnace of the present invention.
In the figure: 1. a gas combustion heat treatment furnace; 11. a flue gas outlet; 2. a spiral tube; 21. a first water inlet pipe; 22. a first water outlet pipe; 3. a cleaning machine; 4. a water storage tank; 41. a second water inlet pipe; 42. a second water outlet pipe; 43. an overflow pipe; 5. a stirring device; 6. an electric motor.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.
Example 1
As shown in fig. 1, the waste gas and heat utilization apparatus of a gas combustion heat treatment furnace provided in this embodiment includes a spiral pipe 2, a water storage tank 4, a first water inlet pipe 21 and a first water outlet pipe 22 connected to two ends of the spiral pipe 2, the spiral pipe 2 is disposed above a flue gas outlet 11 of the gas combustion heat treatment furnace 1, one end of the first water outlet pipe 22 is connected to an upper end of the spiral pipe 2, the other end is connected to the water storage tank 4, the first water inlet pipe 21 is connected to a lower end of the spiral pipe 2, the first water inlet pipe 21 is connected to a water pump, tap water enters the spiral pipe 2 from the first water inlet pipe 21 and flows into the water storage tank 4 through the first water outlet pipe 22 under the action of the water pump, when tap water passes through the spiral pipe 2, the spiral pipe 2 is disposed above the flue gas outlet 11 of the gas combustion heat treatment furnace 1, and the flue gas and heat at the flue gas outlet 11 of the gas combustion heat treatment furnace 1 heats water in the spiral pipe 2 and the spiral pipe 2, through the rivers of heating to in the storage water tank 4 for the water in the storage water tank 4 is the hot water after the heating, and this hot water can flow to the cleaning machine 3 in gas combustion heat treatment furnace 1 rear, replaces cleaning machine 3 to adopt the electrical heating to obtain hydrothermal mode, has realized the reuse of the waste energy, has practiced thrift the electric energy, has saved manufacturing cost, and this hot water also can let in and heat the hot water place of needs such as heating installation, and it all can play the effect of the energy can be saved.
Further, the exhanst gas outlet 11 of gas combustion heat treatment furnace 1 is provided with the support, spiral pipe 2 set up in on the support, as the preferred of this embodiment, the support is the channel-section steel of two relative settings, and two relative welding of channel-section steel are on the outer border of the exhanst gas outlet 11 department of gas combustion heat treatment furnace 1, and 2 fixed connection of spiral pipe select for use the channel-section steel as the support on two channel-section steels, use materials on the spot, convenient for material collection, and simple installation, need not to design the support, the transformation of the gas combustion heat treatment furnace 1 of being convenient for.
Example 2
The utility model also provides another kind of waste gas waste heat utilization equipment of gas combustion heat treatment furnace, in this embodiment, the waste gas waste heat utilization equipment of gas combustion heat treatment furnace be the same as the waste gas waste heat utilization equipment of the gas combustion heat treatment furnace of embodiment 1 roughly, the difference is: the water storage tank 4 is arranged above the cleaning machine 3, and a water outlet of the water storage tank 4 is connected with the cleaning machine 3 through a second water outlet pipe 42.
In the heat treatment equipment such as the heat treatment multipurpose furnace, the pit furnace and the like of gas combustion, a cleaning machine 3 for cleaning heat-treated accessories is arranged behind the multipurpose furnace or the pit furnace, the temperature of cleaning water used in the cleaning machine 3 is required to be kept at 40-90 ℃, the cleaning water can clean the heat-treated accessories only at the temperature, usually, the cleaning water of the cleaning machine 3 adopts an electric heating mode which can consume a large amount of electric energy, the waste gas waste heat utilization device provided by the utility model can be applied to the heat treatment equipment such as the multipurpose furnace, the pit furnace and the like, the waste gas waste heat utilization device can replace the electric heating of the cleaning machine 3 to provide hot water for the cleaning machine 3, and because the temperature requirement range of the cleaning water required by the cleaning machine 3 is wider, the waste gas waste heat utilization device can completely ensure the normal cleaning temperature of the accessories, the electric energy is saved, and the production cost is reduced.
Further, be provided with the level gauge on the storage water tank 4 for observe the water yield in the storage water tank 4 at any time, avoid letting in the water yield that washs the incasement not enough, and avoid 2 water intakes of spiral pipe department to break down and cause 2 dry combustion method of spiral pipe to cause the damage to spiral pipe 2.
Further, the water storage tank 4 is further provided with a water outlet and an overflow port, the water outlet and the overflow port are respectively connected with a third water outlet pipe and an overflow pipe 43, and the second water outlet pipe 42 and the third water outlet pipe are both provided with switch valves. The second water outlet pipe 42 is provided with a switch valve for controlling the water in the water storage tank 4 to flow into the cleaning tank, the third water outlet pipe is arranged for leading the water in the water storage tank 4 to other places capable of using hot water, so that the utilization rate of the water is increased, and the third water outlet pipe is provided with a switch valve for controlling the third water outlet pipe to discharge water or not, so that unnecessary loss of the water in the water storage tank 4 is prevented. The arrangement of the overflow port and the overflow pipe 43 prevents the spiral pipe 2 from being incapable of introducing water into the water storage tank 4 after the water in the water storage tank 4 is full, so that the water flows backwards to damage the water pump or the water storage tank 4.
Example 3
The utility model also provides another kind of waste gas waste heat utilization equipment of gas combustion heat treatment furnace, in this embodiment, the waste gas waste heat utilization equipment of gas combustion heat treatment furnace and the waste gas waste heat utilization equipment of the gas combustion heat treatment furnace of embodiment 2 roughly the same, the difference is: still include controller and alarm, the level gauge is level sensor, alarm and level sensor respectively with controller communication connection, when level sensor detected the water level in the storage water tank 4 and is less than the setting value, the alarm sent the warning, and the timely maintenance of operating personnel is informed, avoids letting in the water yield that washs the incasement not enough to and avoid 2 water inlet of spiral pipe department to break down and cause 2 dry combustion method of spiral pipe to cause the damage to 2 spiral pipes.
Example 4
The utility model also provides another kind of waste gas waste heat utilization equipment of gas combustion heat treatment furnace, in this embodiment, the waste gas waste heat utilization equipment of gas combustion heat treatment furnace be the same as the waste gas waste heat utilization equipment of the gas combustion heat treatment furnace of embodiment 3 roughly, the difference is: be provided with agitating unit 5 and temperature sensor in the storage water tank 4, agitating unit 5 stirs the water in the storage water tank 4 through the drive of motor 6, motor 6 set up in storage water tank 4's upper portion, agitating unit 5 include the (mixing) shaft with set up in the epaxial stirring rake of stirring, the stirring rake sets up in storage water tank 4, storage water tank 4 and the extension are stretched out to the upper end of (mixing) shaft and the extension is connected with motor 6. The water storage tank 4 is further provided with a water inlet, the water inlet is connected with a second water inlet pipe 41, the second water inlet pipe 41 is provided with an electromagnetic valve and a water pump, and the motor 6, the temperature sensor, the electromagnetic valve and the water pump are respectively in communication connection with the controller. The water inlet is used for intaking, when temperature sensor detects the high temperature in the storage water tank 4, the controller opens according to the signal control solenoid valve of temperature sensor feedback, water pump work, the running water gets into storage water tank 4 from second inlet tube 41, the 5 work of the 6 work drive agitating unit of controller control motor simultaneously 5 realizes agitating unit 5 stirs the water in the storage water tank 4, make the temperature of water everywhere in the storage water tank 4 the same, this moment if the water level in the storage water tank 4 is too high water then through overflow pipe 43 or third outlet pipe outflow. Or set the temperature in the storage water tank 4 in certain extent, when the temperature in the storage water tank 4 is higher than the set value, the controller opens according to the signal control solenoid valve that temperature sensor feedbacks, the water pump work, running water gets into storage water tank 4 from second inlet tube 41, the work of controller control motor 6 drive agitating unit 5 realizes agitating unit 5 stirring water in the storage water tank 4 simultaneously, make the temperature of water everywhere in the storage water tank 4 the same, if the water level in the storage water tank 4 crosses high water then through overflow pipe 43 or third outlet pipe outflow this moment, the outflow water can be used for other uses.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a waste gas waste heat utilization equipment of gas combustion heat treatment stove which characterized in that, includes spiral pipe, storage water tank, connects in the first inlet tube and the first outlet pipe at spiral pipe both ends, the spiral pipe sets up in the top of the exhanst gas outlet of gas combustion heat treatment stove, the other end of first outlet pipe with storage water tank connection, the storage water tank is provided with the delivery port.
2. The waste gas heat utilization device of a gas combustion heat treatment furnace according to claim 1, wherein a cleaning machine for cleaning heat-treated accessories is provided behind the gas combustion heat treatment furnace, the water storage tank is provided above the cleaning machine, a water outlet of the water storage tank is connected with the cleaning machine through a second water outlet pipe, and a liquid level meter is provided on the water storage tank.
3. The waste gas heat utilization device of a gas combustion heat treatment furnace of claim 2, wherein the water storage tank is further provided with a water outlet and an overflow port, the water outlet and the overflow port are respectively connected with a third water outlet pipe and an overflow pipe, and the second water outlet pipe and the third water outlet pipe are respectively provided with a switch valve.
4. The exhaust gas waste heat utilization apparatus of a gas combustion heat treatment furnace of claim 1, wherein the first water inlet pipe is connected to a lower end of the spiral pipe, and the first water outlet pipe is connected to an upper end of the spiral pipe.
5. The waste gas heat utilization device of a gas combustion heat treatment furnace of claim 1, wherein a support is provided at a flue gas outlet of the gas combustion heat treatment furnace, and the spiral pipe is provided on the support.
6. The waste gas heat utilization device of a gas combustion heat treatment furnace of claim 2, further comprising a controller and an alarm, wherein the liquid level meter is a liquid level sensor, and the alarm and the liquid level sensor are respectively in communication connection with the controller.
7. The waste gas and heat utilization device of the gas combustion heat treatment furnace of claim 6, wherein a stirring device and a temperature sensor are arranged in the water storage tank, the stirring device is driven by a motor to stir water in the water storage tank, the motor is arranged at the upper part of the water storage tank, a water inlet is further arranged on the water storage tank, a second water inlet pipe is connected to the water inlet, a solenoid valve and a water pump are arranged on the second water inlet pipe, and the motor, the temperature sensor, the solenoid valve and the water pump are respectively in communication connection with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409857.4U CN214371797U (en) | 2021-02-24 | 2021-02-24 | Waste gas waste heat utilization device of gas combustion heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120409857.4U CN214371797U (en) | 2021-02-24 | 2021-02-24 | Waste gas waste heat utilization device of gas combustion heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214371797U true CN214371797U (en) | 2021-10-08 |
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ID=77967568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120409857.4U Expired - Fee Related CN214371797U (en) | 2021-02-24 | 2021-02-24 | Waste gas waste heat utilization device of gas combustion heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214371797U (en) |
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2021
- 2021-02-24 CN CN202120409857.4U patent/CN214371797U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
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| CF01 | Termination of patent right due to non-payment of annual fee |