CN212806484U - RTL-340/450-12 tunnel type circulating push plate activation furnace - Google Patents
RTL-340/450-12 tunnel type circulating push plate activation furnace Download PDFInfo
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- CN212806484U CN212806484U CN202021051723.1U CN202021051723U CN212806484U CN 212806484 U CN212806484 U CN 212806484U CN 202021051723 U CN202021051723 U CN 202021051723U CN 212806484 U CN212806484 U CN 212806484U
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Abstract
The utility model discloses a RTL-340/450-12 tunnel type circulation push pedal activation furnace, including the furnace body, be equipped with tunnel type furnace in the furnace body, the furnace body divide into the multisection, adopt the flange formula to be connected between festival and the festival, the end is equipped with feed inlet and discharge gate respectively about furnace, the furnace body in the outer rectangle circulation transport line that runs through feed inlet, furnace and discharge gate, it is unified to install inlet valve, feeding transition storehouse, replacement room one and propulsion system in feed inlet department, installs outlet valve, ejection of compact transition storehouse, replacement room two and propulsion system two in discharge gate department, be equipped with heating area, constant temperature cooling area and water cooling area from feed inlet to discharge gate orientation in proper order in furnace, be equipped with electric heater respectively at the upside and the downside of furnace's heating area. The utility model discloses independent warm area isolation structure, the face is wide and do not have the dead angle, and equipment intensification time is short, constant temperature area temperature field homogeneity is good, and the product homogeneity of firing is good.
Description
Technical Field
The utility model relates to an activation furnace technical field especially relates to RTL-340/450-12 tunnel type circulation push pedal activation furnace.
Background
The existing activating furnace has the advantages that the structure is integrated, the installation and the disassembly are inconvenient, the sealing effect is poor, the heat preservation effect is not good enough, the energy loss is large, in addition, the temperature zone in the hearth cannot be independently controlled, the conveying belt adopts the up-down circulation, and the intellectualization cannot be completely realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to make up the defects of the prior art and provides an RTL-340/450-12 tunnel type circulating push plate activation furnace.
The utility model discloses a realize through following technical scheme:
RTL-340/450-12 tunnel type circulation push plate activation furnace, which comprises a furnace body, a tunnel type hearth is arranged in the furnace body, the furnace body is divided into a plurality of sections, the sections are connected with each other in a flange manner, a feed inlet and a discharge outlet are respectively arranged at the left end and the right end of the hearth, a rectangular circulation conveying line of the feed inlet, the hearth and the discharge outlet penetrates through the inside and the outside of the furnace body, an inlet valve, a feed transition bin, a first replacement chamber and a propulsion system are arranged at the feed inlet, an outlet valve, a discharge transition bin, a second replacement chamber and a propulsion system are arranged at the discharge outlet, a temperature rising area, a constant temperature cooling area and a water cooling area are sequentially arranged in the hearth from the feed inlet to the discharge outlet, an electric heater is arranged in the temperature rising area of the hearth, a water cooling circulation system is arranged in the water cooling area of the hearth, the temperature rising area of the hearth is divided into, the furnace also comprises a gas circuit system, wherein the gas circuit system is respectively used for replacing air in the first replacement chamber and the second replacement chamber and exhausting gas of each temperature section in the furnace chamber.
The pushing system comprises a main pushing system and an auxiliary pushing system I, the main pushing system is opposite to the feeding port, and the auxiliary pushing system I is positioned on a side rectangular circulating conveying line at the feeding port; the second pushing system comprises a second pushing system and a third pushing system, the second pushing system is right opposite to the discharge port, and the third pushing system is located on a side rectangular circulating conveying line at the discharge port.
The heating area is provided with 12 temperature areas, and the positions of the temperature areas 1, 3, 6 and 10 are respectively provided with two exhaust ports.
The propulsion system I and the propulsion system II both adopt a screw propulsion system or an oil pressure propulsion system.
The arrangement of the electric heaters of the heating area in the hearth is non-uniformly arranged.
The electric heater adopts a spiral high-alloy electric heating wire to penetrate through the corundum tube, and heating elements are arranged on the upper portion and the lower portion in a non-uniform mode.
The hearth comprises an aluminum silicate fiber cotton plate heat-insulating layer, a high-aluminum fiber cotton plate fire-resistant layer and a furnace bottom high-aluminum refractory bearing brick.
The utility model has the advantages that: the utility model discloses independent warm area isolation structure, the face is wide and do not have the dead angle, and equipment intensification time is short, constant temperature area temperature field homogeneity is good, and the product homogeneity of firing is good. The propulsion system adopts screw rod or oil pressure propulsion, stepless speed regulation, stable control and convenient adjustment, and is very suitable for batch production of factory enterprises.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a partially enlarged front view.
Fig. 3 is a top view of the present invention.
Fig. 4 is a partially enlarged plan view.
Fig. 5 is a left side sectional view of the present invention.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, the RTL-340/450-12 tunnel type circulation push plate activation furnace comprises a furnace body 1, a tunnel type hearth 2 is arranged in the furnace body 1, the furnace body 1 is divided into a plurality of sections, the sections are connected with each other in a flange manner, a feed inlet and a discharge outlet are respectively arranged at the left end and the right end of the hearth 2, a rectangular circulation conveying line 3 of the feed inlet, the hearth 2 and the discharge outlet is penetrated inside and outside the furnace body 1, an inlet valve 4, a feed transition bin 5, a replacement chamber one 6 and a propulsion system one 7 are arranged at the feed inlet, an outlet valve 8, a discharge transition bin 9, a replacement chamber two 10 and a propulsion system two 11 are arranged at the discharge outlet, an temperature rising area 12, a constant temperature cooling area 13 and a water cooling area 14 are sequentially arranged in the hearth 2 from the feed inlet to the discharge outlet, an electric heater 15 is arranged at, the water cooling area of the hearth 2 is provided with a water cooling circulation system 16, the temperature rising area 12 of the hearth 2 is divided into a low temperature area and a high temperature area, two exhaust ports are arranged on two sides of the low temperature area and the high temperature area, and the water cooling area further comprises a gas path system 17, and the gas path system 17 is respectively used for replacing air in the first replacement chamber 6 and the second replacement chamber 10 and exhaust of each temperature section in the hearth 2.
The propulsion system 7 comprises a main propulsion system 18 and an auxiliary propulsion system I19, the main propulsion system 18 is over against the feeding port, and the auxiliary propulsion system I19 is positioned on a side rectangular circulating transport line at the feeding port; the second pushing system 11 comprises a second pushing system 20 and a third pushing system 21, the second pushing system 20 is opposite to the discharge port, and the third pushing system 21 is located on a side rectangular circulating conveying line at the discharge port.
The heating area is provided with 12 temperature areas, and the positions of the temperature areas 1, 3, 6 and 10 are respectively provided with two exhaust ports.
The propulsion system 7 and the propulsion system 11 both adopt a screw propulsion system or an oil pressure propulsion system.
The arrangement of the electric heaters 15 of the heating area in the hearth 2 is non-uniformly arranged.
The electric heater 15 adopts a spiral high-alloy electric heating wire to penetrate through the corundum tube, and heating elements are arranged on the upper portion and the lower portion in a non-uniform mode.
The hearth 2 comprises an aluminum silicate fiber cotton plate heat-insulating layer, a high-alumina fiber cotton plate fire-resistant layer and a furnace bottom high-alumina refractory bearing brick.
The heat insulation material of the utility model adopts light fiber material; the heating element is a high-alloy heating wire. The independent temperature zone isolation structure has wide surface and no dead angle. The temperature rise time of the equipment is short, the uniformity of the temperature field of the constant temperature area is good, and the sintering consistency of the product is good. The temperature control is controlled by an imported single-point intelligent temperature controller, and the control mode is a solid-state relay zero-crossing triggering mode. The propulsion system adopts a screw rod or oil pressure for propulsion, stepless speed regulation is realized, and the characteristics of stable control and convenient adjustment are realized. Is very suitable for batch production of factory enterprises.
The main pushing system and the feeding transition bin and the discharging transition bin are detachable, so that the later-stage hearth 2 is convenient to clean.
1. The gas circuit comprises: 8 paths (1 path for the first replacement chamber and the second replacement chamber, 1 path for the transition bin, 24 paths for the hearth, 1 path for the cooling area, adjustable flow of the gas path)
2. An exhaust system: according to the process, exhaust ports are respectively arranged at the positions of a 1-temperature area, a 3-temperature area, a 6-temperature area and a 10-temperature area of the heating section; the device is the unique mosaic structure of heavy-calibre, has solved the difficult phenomenon of maintenance, possesses volatile substance condensation simultaneously and collects evaporation function (has functions such as drainage, cigarette, soda gas, tar).
3. A cooling mode: cooling the cooling zone by using circulating water;
4. the transition bin gate moves: an electric cylinder is adopted.
5. Positioning a push plate: positioning a travel contact switch;
6. structure division:
the total length of the furnace body 1: about 18500mm, wherein:
main push length: 1300mm
The inlet transition zone is long: 1600 mm;
heating zone length: 9600 mm;
length of cooling zone: 4900 mm;
the outlet transition zone is long: 1100 mm;
7. temperature control stability: the system is controlled by an intelligent regulator SR94 at +/-1 ℃, has a PID parameter self-tuning function and is provided with a PLC industrial control system;
8. temperature uniformity: +/-4 ℃ (at constant temperature, 800 ℃ section temperature difference);
9. the number of the temperature zones is 12; counting temperature control points: 24 points; the upper and lower temperature zones are controlled separately.
10. Counting the temperature measurement: 3 points (1 point in each replacement bin and 1 point of outlet cooling water temperature);
11. and (4) alarm protection: overtemperature, couple breakage, low air pressure, low water pressure, overtemperature water and the like;
12. consumption of nitrogen gas: 10 to 50m3H; air source pressure: 0.5 to 0.75 MPa;
13. nitrogen interface: DN32
Cooling water temperature: less than or equal to 30 ℃; cooling water consumption: 8-10 m3H; water inlet pressure: 0.2 to 0.4 MPa; a cooling water interface: DN 25.
The furnace body 1 is of a modular structure and consists of a plurality of sections, and the total length is 18.5 meters. Finishing the construction of heat insulation materials, the installation of an air inlet pipe and a drive and the installation of the interior of a control cabinet in a supplier factory; and after the disassembly, the concrete is transported to a customer site for final integral installation. The thermal structure is made of light material with heat insulation and heat preservation, and the ultra-light refractory bricks are used as the supporting beams. The main body of the thermal structure is formed in a modular mode. In order to ensure the uniformity of the temperature of the hearth 2, the temperature zones are not only independently controlled, but also are non-uniformly distributed in the arrangement of the heating wires. The main body of the mechanical frame structure of the furnace body 1 is welded by adopting national standard A3 steel, the furnace body 1 is divided into a plurality of sections, and the sections are connected in a flange manner, so that the key problem of sealing after muffle segmentation is solved. The surface of the steel is subjected to rust prevention treatment, and the surface of the whole furnace body 1 adopts a carbon steel plastic-spraying hanging plate. The furnace bottom is provided with a fine adjustment device with adjustable height, and the adjustment range is 0-50 mm.
1) Frame structure
Decorating a hanging plate: delta 1.5mm Q235-A high-temperature spray molding
② the furnace body 1 outer shell: steel plate bending and section bar welding assembly formed anticorrosion spray paint
2) Hearth 2 structure
Insulating layer: aluminium silicate fibre cotton board
② a refractory layer: high-aluminum fiber cotton board
③ furnace bottom bearing brick: high-alumina refractory brick
3) A heater:
firstly, a spiral resistance wire penetrates through a corundum tube, and heating elements are arranged on the upper and lower parts of the corundum tube in a non-uniform manner
Resistance wire material: 0Cr27Al7Mo2
③ piercing corundum tube: phi 40X 860mm
4) An inner muffle: delta 8mm notes: high temperature SUS310S, low temperature SUS316L as low temperature SUS (below 400 deg.C) and water cooling section
The cathodic protection method of the sacrificial anode is adopted to delay the stress corrosion, and the penetration phenomenon can be actively matched with the required treatment. The welding seam at the bottom of the hearth 2 is prevented from being placed at a high-temperature area and at the bottom as much as possible, and the crater is polished.
5) First replacement chamber and second replacement chamber
A box body: delta 5mm SUS316L
Size of case (W × L × H): 500X 500mm
Gas circuit system
1) Air intake system
The protective gas is divided into 13 paths through a distributor (the distributor has two-path conversion function), and enters corresponding ports in the furnace after being regulated by a float flowmeter 22:
(1) the gas circuits are respectively used for replacing indoor air, and exhaust gas, smoke, alkaline gas, tar and the like of each temperature section can adjust the exhaust amount at any time;
(2) the gas path is tightly attached to the hearth 2 and has a preheating function, and a connecting port of the gas path and the wall of the hearth 2 is detachable, so that blockage caused by alkaline corrosion is prevented;
(3) furnace 2 exhaust system:
note: (carbonization exhaust gas is upwards discharged for centralized incineration; activation exhaust gas is downwards passed through an acid liquor device, and two sets of pipes are manufactured.)
Exhaust ports are arranged on both sides of the furnace body 1,
the caliber is as follows: DN80 mm;
quantity: 4 sets (8 exhaust ports)
Shape: an "L" form; to prevent clogging
Adopts a double-layer sleeve structure, is connected in a flange way, and is safe and convenient to assemble and disassemble.
Position: 2 sets (4 on the left and right sides) of low-temperature section at the front end of the furnace body 1, and 2 sets (4 on the left and right sides) of high-temperature section of the furnace body 1;
sixthly, adopting a straight-through exhaust flue in the cooling zone.
2) Primary filtering system for waste gas
Materials: anticorrosive SUS316L
The number of the components is as follows: and 8 groups.
Collecting: acid-base reactant.
3. Circulating transmission system
The circulating transmission system adopts a classical oil pressure propulsion system, the equipment is provided with a set of circulating line, the circulating line is provided with a main propulsion mechanism, the thrust is 2 tons, and the propulsion speed is 1200 mm-2000 mm/h.
The main push has the functions of automatic/manual switching of advancing and retreating vehicles, sound and light alarm protection such as overtime overpressure and incorrect push plate placement.
Main propulsion mechanism: the hydraulic propulsion is provided with fast forward, slow forward, fast backward and slow backward, and the work is stable and reliable. The advancing and retreating vehicle is provided with manual and automatic switching.
Circulating the track: and the Siemens PLC is adopted for control. Automatic feeding, automatic discharging and automatic supplying, and the whole set of transmission mechanism is stably and reliably propelled. The main travel switches of the circulating track system are all made of 0MRON products, and the circulating track can be designed to rotate clockwise and anticlockwise according to the process layout of equipment.
The material inlet and outlet are designed with a replacement chamber. The replacement chamber is provided with a front gate and a rear gate, the front gate is opened, the saggar is pushed into the replacement chamber by the auxiliary pushing head, the front gate is closed, air in the sealed box is replaced by nitrogen gas exchange to form nitrogen gas protective atmosphere, and after replacement is completed, the saggar is pushed into the hearth 2 by the main thruster by opening the rear gate. And simultaneously opening a gate in the front of the discharge port, pushing the saggar into the discharge port replacement chamber by the auxiliary discharge push head, closing the gate after the saggar moves in place, discharging waste gas in the replacement chamber by adopting air suction, then opening the discharge port replacement chamber, moving the saggar out by the discharge push head by the gate after the saggar is opened, and entering the side circulation track to complete one-time circulation.
Claims (7)
- The tunnel type circulating push plate activation furnace is characterized in that: the furnace comprises a furnace body, a tunnel-type hearth is arranged in the furnace body, the furnace body is divided into a plurality of sections, the sections are connected in a flange manner, a feed port and a discharge port are respectively arranged at the left end and the right end of the hearth, a rectangular circulating conveying line of the feed port, the hearth and the discharge port penetrates through the inside and the outside of the furnace body, an inlet valve, a feed transition bin, a first replacement chamber and a propulsion system are arranged at the feed port, an outlet valve, a discharge transition bin, a second replacement chamber and a propulsion system are arranged at the discharge port, a temperature rising area, a constant temperature cooling area and a water cooling area are sequentially arranged in the hearth from the feed port to the discharge port, an electric heater is arranged in the temperature rising area of the hearth, the water cooling area of the hearth is provided with the water cooling circulating system, the temperature rising area of the hearth is divided into a low temperature area and a high temperature area, two exhaust ports are respectively arranged at, And air in the second replacement chamber and exhaust gas of each temperature section in the hearth.
- 2. The RTL-340/450-12 tunnel circulation pusher activation furnace of claim 1, wherein: the pushing system comprises a main pushing system and an auxiliary pushing system I, the main pushing system is opposite to the feeding port, and the auxiliary pushing system I is positioned on a side rectangular circulating conveying line at the feeding port; the second pushing system comprises a second pushing system and a third pushing system, the second pushing system is right opposite to the discharge port, and the third pushing system is located on a side rectangular circulating conveying line at the discharge port.
- 3. The RTL-340/450-12 tunnel circulation pusher activation furnace of claim 1, wherein: the heating area is provided with 12 temperature areas, and the positions of the temperature areas 1, 3, 6 and 10 are respectively provided with two exhaust ports.
- 4. The RTL-340/450-12 tunnel circulation pusher activation furnace of claim 1, wherein: the propulsion system I and the propulsion system II both adopt a screw propulsion system or an oil pressure propulsion system.
- 5. The RTL-340/450-12 tunnel circulation pusher activation furnace of claim 3, wherein: the arrangement of the electric heaters of the heating area in the hearth is non-uniformly arranged.
- 6. The RTL-340/450-12 tunnel circulation pusher activation furnace of claim 5, wherein: the electric heater adopts a spiral high-alloy electric heating wire to penetrate through the corundum tube, and heating elements are arranged on the upper portion and the lower portion in a non-uniform mode.
- 7. The RTL-340/450-12 tunnel circulation pusher activation furnace of claim 1, wherein: the hearth comprises an aluminum silicate fiber cotton plate heat-insulating layer, a high-aluminum fiber cotton plate fire-resistant layer and a furnace bottom high-aluminum refractory bearing brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021051723.1U CN212806484U (en) | 2020-06-10 | 2020-06-10 | RTL-340/450-12 tunnel type circulating push plate activation furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021051723.1U CN212806484U (en) | 2020-06-10 | 2020-06-10 | RTL-340/450-12 tunnel type circulating push plate activation furnace |
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| CN212806484U true CN212806484U (en) | 2021-03-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774193A (en) * | 2020-06-09 | 2021-12-10 | 安泰天龙（宝鸡）钨钼科技有限公司 | Boat pushing furnace |
| CN114750346A (en) * | 2022-04-22 | 2022-07-15 | 山东泰开电力电器有限公司 | Method for producing mutual inductor by epoxy resin pressure gel forming |
-
2020
- 2020-06-10 CN CN202021051723.1U patent/CN212806484U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774193A (en) * | 2020-06-09 | 2021-12-10 | 安泰天龙（宝鸡）钨钼科技有限公司 | Boat pushing furnace |
| CN114750346A (en) * | 2022-04-22 | 2022-07-15 | 山东泰开电力电器有限公司 | Method for producing mutual inductor by epoxy resin pressure gel forming |
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