CN217953156U - Waste heat recovery device for tunnel kiln - Google Patents
Waste heat recovery device for tunnel kiln Download PDFInfo
- Publication number
- CN217953156U CN217953156U CN202221776658.8U CN202221776658U CN217953156U CN 217953156 U CN217953156 U CN 217953156U CN 202221776658 U CN202221776658 U CN 202221776658U CN 217953156 U CN217953156 U CN 217953156U
- Authority
- CN
- China
- Prior art keywords
- waste heat
- tunnel
- tunnel kiln
- recovery device
- heat recovery
- Prior art date
- 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.)
- Active
Links
Images
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a tunnel cave waste heat recovery device, this tunnel cave waste heat recovery device aim at solving the unable recovery of waste heat that present tunnel cave firing brick produced, and the heat is arranged and is enlargied, and energy utilization is rateed lowly, is unfavorable for the technical problem that the cost was saved of enterprise. The tunnel kiln waste heat recovery device comprises a tunnel kiln body for firing gangue bricks and a waste heat boiler integrally cast with the tunnel kiln body. This tunnel cave waste heat recovery device adopts exhaust-heat boiler to collect the high temperature waste heat in the tunnel cave body of firing coal gangue brick, and the cooperator through steam distributor and evaporate the cauldron provides the energy as firing the air entrainment brick of cooking, replace traditional natural gas energy supply, very big energy saving, reduce the manufacturing cost of enterprise, waste heat recovery in-process can not produce extra pollutant, reduce the heat emission to the environment, improve the environmental protection benefit, the brick material processing that is applicable to multiple difference firing temperature is used, equipment structure is simple, the operation is safe.
Description
Technical Field
The utility model belongs to baked brick processing equipment field, concretely relates to tunnel cave waste heat recovery device.
Background
The tunnel kiln is a kiln similar to a tunnel and internally provided with delivery vehicles such as kiln cars and the like, is built by refractory materials, heat insulation materials and building materials, is modern continuous-type firing thermal equipment, and is widely used for firing adobes and ceramic products.
The tunnel cave has good heat preservation effect when firing because of having straight-through line type tunnel, and waste heat in the tunnel is durable not scattered, and the product is fired and final annealing through tunnel cave's waste heat, high temperature because there is not effectual waste heat recovery device, and a large amount of waste heat is wasted, and the energy utilization who leads to the tunnel cave is lower, the manufacturing cost greatly increased of enterprise.
Therefore, aiming at the condition that the waste heat generated by the brick firing of the tunnel kiln cannot be recovered, a novel tunnel kiln waste heat recovery device is developed, and a waste heat recovery boiler with a water tank is utilized to heat through the waste heat to generate steam so as to provide energy for firing of low-temperature bricks.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem to be solved
Not enough to prior art, the utility model aims to provide a tunnel cave waste heat recovery device, this tunnel cave waste heat recovery device aim at solving the unable recovery of waste heat that present tunnel cave firing brick produced, and the heat is arranged and is enlargied, and energy utilization is rateed lowly, is unfavorable for the technical problem that the enterprise saved the cost.
(2) Technical scheme
In order to solve the technical problem, the utility model provides a such tunnel cave waste heat recovery device, this tunnel cave waste heat recovery device including fire the tunnel cave body of coal gangue brick, with tunnel cave body integrated into one piece pours fashioned exhaust-heat boiler, the tunnel cave body from left to right by preheating zone, high-temperature region and move back the warm area and constitute, exhaust-heat boiler set up in tunnel cave body move back the warm area outside, tunnel cave body one side is provided with steam distributor, steam distributor keeps away from tunnel cave body one side is provided with a plurality of stills that evaporate side by side.
When the tunnel kiln waste heat recovery device is used, a user puts coal gangue green bricks into a kiln car, then puts air-added green bricks into autoclave kettles, the tunnel kiln car brings the green bricks from a tunnel inlet to a tunnel outlet through a track in a tunnel kiln body, the kiln car passes through a preheating area, a high-temperature area and a temperature-annealing area, the green bricks are heated and fired in the high-temperature area and then cooled in the temperature-annealing area, in the cooling process, waste heat in the tunnel kiln body heats a water tank in the waste heat boiler, water in the water tank is evaporated into steam, the steam enters a steam distributor through a steam pipeline, a pressure gauge always monitors gas pressure in the steam distributor in the process, safety risks caused by overhigh pressure are prevented, the steam is sequentially transferred to the autoclave kettles through a distribution pipe, the air-added green bricks in the autoclave are cooked and fired, and meanwhile, the cooled coal gangue bricks are sent out from the tunnel outlet.
Preferably, the tunnel kiln body left end is provided with the tunnel import, the tunnel kiln body right-hand member is provided with the tunnel export, the tunnel import the tunnel export all with exhaust-heat boiler intercommunication. The brick material is conveyed by the kiln car to enter the tunnel kiln body from the tunnel inlet, sequentially passes through the preheating zone, the high-temperature firing zone and the annealing zone, is finally cooled and is sent out from the tunnel outlet.
Preferably, a water tank is arranged in the waste heat boiler, and an exhaust valve communicated with the water tank is installed at the upper end of the waste heat boiler. The water in the water tank is heated by utilizing the waste heat of the tunnel kiln body to generate steam, and the exhaust valve is used for exhausting redundant air in the water tank before use.
Preferably, the lower ends of the steam distributor and the still kettle are respectively provided with a U-shaped support supported on the ground. The steam distributor and the still kettle are suspended and erected through a support, and are far away from the moist environment on the ground.
Preferably, a steam pipeline is connected between the steam distributor and the waste heat boiler, and the inner wall and the outer wall of the steam pipeline are coated with an anticorrosive heat-insulating material. The steam pipeline passes through a high-temperature steam medium for a long time, and the corrosion-resistant heat-insulating material is utilized, so that the pipe is prevented from being corroded, heat is effectively stored, and loss is reduced.
Preferably, the upper end of the steam distributor is provided with a pressure gauge with the precision of not less than 1.5. The pressure gauge with the precision not lower than the adopted precision is used for monitoring the steam pressure in the steam distributor, and the pressure gauge is high in monitoring precision and good in safety.
Preferably, a distribution pipe is connected between the steam distributor and the autoclave, and another distribution pipe is connected between the autoclave and the second tunnel kiln. High-temperature steam is distributed to a plurality of still kettles at a uniform speed in an equivalent manner through a distribution pipe on the steam distributor, and the aerated bricks in the still kettles are steamed and fired.
(3) Advantageous effects
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a tunnel cave waste heat recovery device adopts exhaust-heat boiler to collect the high temperature waste heat in the tunnel cave body of firing coal gangue brick, and the cooperator through steam distributor and evaporate the cauldron provides the energy as firing the air entrainment brick of cooking, replace traditional natural gas energy supply, very big energy saving, reduce the manufacturing cost of enterprise, waste heat recovery in-process can not produce extra pollutant, reduce the heat emission to the environment, improve the environmental protection benefit, the brick material processing that is applicable to multiple different firing temperatures is used, equipment structure is simple, operation safety.
Drawings
FIG. 1 is a schematic plan view of an embodiment of the tunnel kiln waste heat recovery device of the present invention;
FIG. 2 is a schematic front structural view of a specific embodiment of the tunnel kiln waste heat recovery device of the present invention;
fig. 3 is a schematic side structure diagram of a concrete embodiment of the tunnel kiln waste heat recovery device of the present invention.
The symbols in the drawings are: 1. a tunnel kiln body; 2. a waste heat boiler; 3. a vapor distributor; 4. a still kettle; 5. a tunnel entrance; 6. a tunnel exit; 7. an exhaust valve; 8. a support; 9. a steam line; 10. a pressure gauge; 11. a dispensing tube.
Detailed Description
This embodiment is used for tunnel kiln waste heat recovery device, its plane structure schematic diagram is shown in fig. 1, the front structure schematic diagram is shown in fig. 2, the side structure schematic diagram is shown in fig. 3, this tunnel kiln waste heat recovery device is including tunnel kiln body 1 of firing the coal gangue brick, with tunnel kiln body 1 integrated casting fashioned exhaust-heat boiler 2, tunnel kiln body 1 is by the preheating zone from left to right, high-temperature region and back warm district constitute, exhaust-heat boiler 2 sets up in tunnel kiln body 1's back warm district outside, tunnel kiln body 1 one side is provided with steam distributor 3, steam distributor 3 keeps away from tunnel kiln body 1 one side and is provided with a plurality of stills 4 side by side.
For the specific embodiment, when the material is cooled in the annealing area of the tunnel kiln body 1, the waste heat of the tunnel kiln heats the water in the waste heat boiler 2 to generate a large amount of water vapor, and the water vapor is introduced into the steam distributor 3 and distributed to the autoclaves 4 for the production of aerated bricks.
Wherein, 1 left end of tunnel cave body is provided with tunnel inlet 6, and 1 right-hand member of tunnel cave body is provided with tunnel outlet 6, and tunnel inlet 5, tunnel outlet 6 all communicate with exhaust-heat boiler 2, and exhaust valve 7 with the water tank intercommunication is installed to exhaust-heat boiler 2 inside being provided with the water tank, 2 upper ends of exhaust-heat boiler. Brick materials are conveyed by a kiln car to enter the tunnel kiln body 1 from the tunnel inlet 5, sequentially pass through the preheating region, the high-temperature firing region and the annealing region, are finally cooled and then are sent out from the tunnel outlet 6, water in the water tank is heated by using waste heat of the tunnel kiln body 1 to generate steam, and the exhaust valve 7 is used for exhausting redundant air in the water tank before use.
Meanwhile, the lower ends of the steam distributor 3 and the still kettle 4 are respectively provided with a U-shaped support 8 supported on the ground, a steam pipeline 9 is connected between the steam distributor 3 and the waste heat boiler 2, the inner wall and the outer wall of the steam pipeline 9 are coated with an anti-corrosion heat-insulation material, and the upper end of the steam distributor 3 is provided with a pressure gauge 10 with the precision not less than 1.5. The steam distributor 3 and the still kettle 4 are erected in a suspended mode through the support 8, the wet environment far away from the ground is kept away, the steam pipeline 9 passes through a high-temperature steam medium for a long time, corrosion-resistant heat-insulating materials are used for preventing the pipe from being corroded, heat is effectively stored, loss is reduced, the pressure gauge 10 with the precision not lower than 1.5 is used for monitoring the steam pressure in the steam distributor 3, and the steam distributor and the still kettle are high in monitoring precision and good in safety.
Further, a distribution pipe 11 is connected between the steam distributor 3 and the autoclave 4. High-temperature steam is distributed to the plurality of still kettles 4 at a uniform speed in an equal amount through the distribution pipes 11 on the steam distributor 3, and the air-added bricks in the still kettles 4 are steamed, boiled and fired.
When the tunnel kiln waste heat recovery device of the technical scheme is used, a user puts coal gangue green bricks into a kiln car, then puts air-added green bricks into a still kettle 4, the air-added green bricks pass through a track in a tunnel kiln body 1, the kiln car brings the green bricks from a tunnel inlet 5 to a tunnel outlet 6, the green bricks pass through a preheating region, a high temperature region and a temperature annealing region and are heated and fired in the high temperature region and then are cooled in the temperature annealing region, in the cooling process, waste heat in the tunnel kiln body 1 heats a water tank in the waste heat boiler 2, water in the water tank is evaporated into steam, the steam enters a steam distributor 3 through a steam pipeline 9, a pressure gauge 10 monitors gas pressure in the steam distributor 3 all the time in the process, safety risks caused by overhigh pressure are prevented, the steam is sequentially transferred to the still kettles 4 through a distribution pipe 11, the air-added green bricks in the air-added green bricks are steamed and fired, and meanwhile, the cooled coal gangue bricks are sent out from the tunnel outlet 6.
Claims (7)
1. The tunnel kiln waste heat recovery device comprises a tunnel kiln body for firing the coal gangue bricks and a waste heat boiler integrally cast with the tunnel kiln body; the tunnel kiln is characterized in that the tunnel kiln body consists of a preheating area, a high-temperature area and a temperature-reducing area from left to right, the waste heat boiler is arranged outside the temperature-reducing area of the tunnel kiln body, a steam distributor is arranged on one side of the tunnel kiln body, and a plurality of still kettles are arranged on one side, far away from the tunnel kiln body, of the steam distributor side by side.
2. The tunnel kiln waste heat recovery device according to claim 1, wherein a tunnel inlet is arranged at the left end of the tunnel kiln body, a tunnel outlet is arranged at the right end of the tunnel kiln body, and the tunnel inlet and the tunnel outlet are both communicated with the waste heat boiler.
3. The tunnel kiln waste heat recovery device according to claim 1, characterized in that a water tank is arranged inside the waste heat boiler, and an exhaust valve communicated with the water tank is arranged at the upper end of the waste heat boiler.
4. The tunnel kiln waste heat recovery device of claim 1, wherein the steam distributor and the lower end of the still kettle are provided with U-shaped supports supported on the ground.
5. The tunnel kiln waste heat recovery device according to claim 1, wherein a steam pipeline is connected between the steam distributor and the waste heat boiler, and the inner wall and the outer wall of the steam pipeline are coated with an anticorrosive heat-insulating material.
6. The tunnel kiln waste heat recovery device according to claim 1, characterized in that the upper end of the steam distributor is provided with a pressure gauge with the precision of not less than 1.5.
7. The tunnel kiln waste heat recovery device of claim 1, wherein a distribution pipe is connected between the steam distributor and the still kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221776658.8U CN217953156U (en) | 2022-07-08 | 2022-07-08 | Waste heat recovery device for tunnel kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221776658.8U CN217953156U (en) | 2022-07-08 | 2022-07-08 | Waste heat recovery device for tunnel kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217953156U true CN217953156U (en) | 2022-12-02 |
Family
ID=84221091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221776658.8U Active CN217953156U (en) | 2022-07-08 | 2022-07-08 | Waste heat recovery device for tunnel kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217953156U (en) |
-
2022
- 2022-07-08 CN CN202221776658.8U patent/CN217953156U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110357101A (en) | A kind of cleaning prepares the vertical integral type internal fired furnace of active carbon | |
| CN207716895U (en) | A kind of waste heat recovery system of kiln | |
| CN217953156U (en) | Waste heat recovery device for tunnel kiln | |
| CN201621710U (en) | Organic solvent prepainted waste gas incinerator | |
| CN205228132U (en) | Energy -conserving roller kilns of combustion -supporting wind heating energy storage | |
| CN106642679A (en) | Jet metal hot-blast stove for tea heating dehumidification | |
| CN205174835U (en) | High -efficient heating furnace of heat exchange coil formula of easy snaking | |
| CN204874386U (en) | Coke oven flue waste heat recovery utilizes system | |
| CN202442323U (en) | Steam superheating device | |
| CN208967773U (en) | A kind of environment-friendlyboiler boiler system | |
| CN208886881U (en) | A kind of heating steam transportation system | |
| CN201166515Y (en) | Ceramic roller way kiln energy-saving system | |
| CN101382394B (en) | Waste heat boiler for enamelling machine | |
| CN206176727U (en) | Indirect hot -blast furnace with cold air preheats | |
| CN202532525U (en) | High temperature air pre-heater | |
| CN205048996U (en) | Cold quick -witted exhaust -heat boiler of sintered ring | |
| CN206847413U (en) | A kind of stainless steel clad plate integrated casting and rolling production line residual neat recovering system | |
| CN101162108A (en) | Compound gas superconductive heater | |
| CN202675903U (en) | Waste heat boiler for tunnel type stove | |
| CN206257670U (en) | A kind of heat stored nozzle for industrial furnace | |
| CN215676490U (en) | Kiln combustion-supporting air supply system | |
| CN2272994Y (en) | High-efficiency heat pipe energy-saving hot-water boiler | |
| CN213480247U (en) | Yellow phosphorus tail gas combustion boiler | |
| CN204665674U (en) | Water heater | |
| CN110173889A (en) | A kind of heat-exchanger rig of asphalt production line heating conduction oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |