CN210773485U - Spiral multi-chamber preheater - Google Patents
Spiral multi-chamber preheater Download PDFInfo
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- CN210773485U CN210773485U CN201921751968.2U CN201921751968U CN210773485U CN 210773485 U CN210773485 U CN 210773485U CN 201921751968 U CN201921751968 U CN 201921751968U CN 210773485 U CN210773485 U CN 210773485U
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- wire rope
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Abstract
The utility model discloses a spiral multi-cavity preheater, which comprises an outer frame body, a preheating device, a discharging device and a power device; the preheating device comprises a preheating furnace, a flow distribution cover, a first sealing disc, a mounting seat, a second sealing disc, an inner upright post, a spiral partition plate and a tray; the blanking device comprises a second steel wire rope, a blanking plate, a telescopic plate, a guide rail, a first motor mounting seat, a first steel wire rope, a second motor and a second motor mounting seat; the power device comprises a guide wheel mounting shaft, a third guide wheel, a third steel wire rope, a winding drum assembly, a mounting plate and a fourth steel wire rope. This pre-heater has increased the area of contact with the material through spiral baffle, makes the material be heated more fully evenly at preheating the in-process, improves the utilization ratio of preheating gas.
Description
Technical Field
The utility model relates to an industrial production and energy high efficiency utilize equipment, specifically are spiral multi-chamber pre-heater.
Background
The preheater is a device for preheating materials in advance, and generally adopts electric heating to preheat the materials. The waste gas discharged by industry generally has higher temperature and can be used as a heat source to preheat materials.
The document of application No. 201611067796.8 discloses a preheating furnace body with an inclined bottom, which mainly comprises a furnace body, wherein a material conveying channel is arranged in the furnace body, one end of the material conveying channel is a feeding hole, the other end of the material conveying channel is a discharging hole, and the material conveying channel is arranged in a downward inclination manner from one end of the feeding hole to one end of the discharging hole; the conveying channel is divided into a preheating section and a heating section, the heating section is provided with a burner, the burner is communicated with a natural gas pipeline, materials are preheated through natural gas, the energy consumption is high, and the production cost is increased.
The document of application No. 201811373374.2 discloses a preheating device, which comprises a shell and a plurality of screw shafts arranged in the shell, wherein the screw shafts are used for conveying materials; the screw shaft is a hollow pipe, a heat source required by preheating materials is introduced into the hollow pipe, but the materials cannot be directly contacted with the heat source, so that the preheating efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the utility model aims to solve the technical problem that a spiral multi-chamber preheater is provided.
The technical scheme of the utility model for solving the technical problems is to provide a spiral multi-cavity preheater, which is characterized in that the preheater comprises an outer frame body, a preheating device, a blanking device and a power device;
the preheating device comprises a preheating furnace, a flow distribution cover, a first sealing disc, a mounting seat, a second sealing disc, an inner upright post, a spiral partition plate and a tray; the preheating furnace is arranged on the outer frame body; one side of each spiral partition plate is fixed on the inner upright post, and the spiral partition plates and the inner upright posts form a material flow dividing piece; the other side of the spiral partition plate is fixed on the inner wall of the preheating furnace, and a plurality of chambers for containing materials are formed between the spiral partition plate and the preheating furnace; a distance is reserved between the bottom surface of the material distributing piece and the bottom surface of the preheating furnace, and the lower part of the preheating furnace is provided with an air inlet; the upper end of the inner upright post is fixed with a mounting seat; the shunting cover is rotatably arranged on the mounting seat through a bearing, is positioned in the preheating furnace, and is used for dumping materials to rotate the shunting cover so as to shunt the materials to each chamber; the first sealing disc is sleeved on the lower part of the shunt cover and above the bearing and is connected with the mounting seat; a second sealing disc is fixed at the bottom of the mounting seat; one end of each tray is hinged to the inner wall of the lower part of the preheating furnace, and a closed structure formed when all the trays are folded is matched with a structure formed on the bottom surface of each material containing cavity, so that all the material containing cavities are sealed;
the blanking device comprises a second steel wire rope, a blanking plate, a telescopic plate, a guide rail, a first motor mounting seat, a first steel wire rope, a second motor and a second motor mounting seat; the first motor mounting seat and the second motor mounting seat are fixed on the preheating furnace, a first motor is mounted on the first motor mounting seat, and a second motor is mounted on the second motor mounting seat; an output shaft of the first motor is connected with one end of a first steel wire rope, the other end of the first steel wire rope is connected with one end of a blanking plate, and the other end of the blanking plate is hinged to the bottom of the preheating furnace; a guide rail is arranged on the blanking plate, a telescopic plate is slidably arranged on the guide rail, one end of the telescopic plate is connected with one end of a second steel wire rope, and the other end of the second steel wire rope is wound on an output shaft of a second motor;
the power device comprises a guide wheel mounting shaft, a third guide wheel, a third steel wire rope, a winding drum assembly, a mounting plate and a fourth steel wire rope; the winding drum assembly is arranged at the top of the outer frame body; the third guide wheel is rotatably arranged at the top of the outer frame body through a guide wheel mounting shaft; one end of a third steel wire rope is connected with a winding drum of the winding drum assembly, and the other end of the third steel wire rope bypasses a third guide wheel and then passes through the shunt cover and the second sealing disc to be connected with the mounting plate; the mounting plate is positioned in the inner upright post, a plurality of fourth steel wire ropes are mounted on the mounting plate, and the other end of each fourth steel wire rope is connected with the other end of the corresponding tray.
Compared with the prior art, the utility model discloses beneficial effect lies in:
1) the utility model discloses a spiral baffle has increased the area of contact with the material, makes the material be heated more fully evenly preheating the in-process, improves the utilization ratio of preheating gas.
2) The utility model discloses a reposition of redundant personnel cover in the feed process, can make the material shunt more evenly to each cavity in, increased the utilization ratio in whole space.
3) The utility model discloses a mode that wire rope and tray combined together makes things convenient for the unloading of preheater, can guarantee to preheat the temperature of in-process simultaneously, safe and reliable, convenient operation.
4) The utility model discloses utilize the industrial waste gas of high temperature as the preheating source, improved the productivity effect, reduce cost has realized the reutilization.
5) The utility model discloses a vacuum baffle prevents that the heat scatters and disappears, guarantees to preheat the interior temperature of stove, improves its efficiency greatly.
6) The utility model discloses installed the maintenance ladder on outer support body, made things convenient for workman's installation and maintenance, increased operation workman's factor of safety.
7) The utility model discloses a flexible board can adjust the flexible length of flexible board according to the demand when the ejection of compact, and the container of convenient and next process links up.
8) The utility model discloses be provided with the heat preservation at the surface of preheater, can keep the temperature of preheater more effectively.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic front view of a preheating device according to an embodiment of the present invention;
fig. 3 is a left side view of the installation of the tray according to an embodiment of the present invention;
fig. 4 is a partially enlarged view of a preheating device according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a material distributing member according to an embodiment of the present invention;
fig. 6 is a schematic right view of a blanking device according to an embodiment of the present invention;
fig. 7 is a schematic perspective view illustrating a connection between a lower plate and an expansion plate according to an embodiment of the present invention;
fig. 8 is a schematic right view illustrating a connection between a lower plate and an expansion plate according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a power plant according to an embodiment of the present invention;
in the figure: 1. an outer frame body; 2. a preheating device; 3. a blanking device; 4. a power plant;
1-1, maintaining a ladder; 1-2, a support frame;
2-1, preheating a furnace; 2-1-1, an air inlet; 2-2, a flow dividing cover; 2-3, a first sealing disc; 2-4, mounting seats; 2-5, fixing a bolt; 2-6, bearing; 2-7, a second sealing disc; 2-8, inner upright columns; 2-9, spiral partition board; 2-10, a tray;
3-1, a second steel wire rope; 3-2, blanking plates; 3-3, a first guide wheel; 3-4, a telescopic plate; 3-5, guide rails; 3-6, a second guide wheel; 3-7, a first motor; 3-8, a first motor mounting seat; 3-9, a first steel wire rope; 3-10, a second motor; 3-11, a second motor mounting seat;
4-1, installing a guide wheel shaft; 4-2, a third guide wheel; 4-3, a third steel wire rope; 4-4, a reel assembly; 4-5, mounting a plate; 4-6 and a fourth steel wire rope.
Detailed Description
The present invention will be further explained with reference to the following embodiments and accompanying drawings. The specific embodiments are only used for further elaboration of the invention, and do not limit the scope of protection of the claims of the present application.
The utility model provides a spiral multi-cavity preheater (a preheater for short, see fig. 1-9), which is characterized in that the preheater comprises an outer frame body 1, a preheating device 2, a blanking device 3 and a power device 4; the preheating device 2 and the power device 4 are both arranged on the outer frame body 1, the power device 4 is connected with the preheating device 2, and the blanking device 3 is arranged at the bottom of the preheating device 2; the preheating device 2 is used for preheating materials, the power device 4 is used for opening and closing a blanking port of the preheating device 2, and the blanking device 3 is used for dropping the preheated materials into a container of the next process;
the preheating device 2 comprises a preheating furnace 2-1, a flow dividing cover 2-2, a first sealing disc 2-3, a mounting seat 2-4, a bearing 2-6, a second sealing disc 2-7, an inner upright column 2-8, a spiral partition plate 2-9 and a tray 2-10; one side of each of the spiral partition plates 2-9 (five in the embodiment) is uniformly welded and fixed on the outer side surface of the inner upright post 2-8, and the spiral partition plates and the outer side surface form a material flow dividing piece; the other side of the material shunting piece (namely the spiral partition plate 2-9) is welded and fixed on the inner wall of the preheating furnace 2-1, and a plurality of (five in the embodiment) chambers for accommodating materials are formed between the material shunting piece and the preheating furnace 2-1; a distance is reserved between the bottom surface of the material flow dividing piece and the bottom surface of the preheating furnace 2-1 and is used for introducing industrial waste gas; the spiral partition plate 2-9 is used for preventing the material from directly falling into a blanking port of the preheating furnace 2-1, increasing the contact area and the contact time with the material and fully preheating the material; the upper end of the inner upright post 2-8 is detachably fixed with a mounting seat 2-4; the flow distribution cover 2-2 is rotatably arranged on the mounting base 2-4 through a bearing 2-6, the flow distribution cover 2-2 is positioned in the preheating furnace 2-1, and the flow distribution cover 2-2 can rotate when materials are poured, so that the materials are uniformly distributed into each cavity as much as possible; the first sealing disc 2-3 is sleeved on the lower part of the shunt cover 2-2 and above the bearing 2-6 and is detachably connected with the mounting seat 2-4 to prevent materials from falling into the bearing 2-6; the first sealing disc 2-3, the mounting seat 2-4 and the inner upright post 2-8 are detachably connected through a fixing bolt 2-5; the bottom of the mounting seat 2-4 is detachably fixed with a second sealing disc 2-7 to prevent lubricating oil of the bearing 2-6 from dripping; one end of each of a plurality of (five in the embodiment) trays 2-10 is hinged to the inner wall of the lower part of the preheating furnace 2-1 and is uniformly distributed in the circumference, and the closed structure formed when all the trays 2-10 are folded is matched with the structure formed by the bottom surfaces of all the material-containing chambers, so that all the material-containing chambers are sealed; the preheating furnace 2-1 is arranged on the outer frame body 1, the lower part of the preheating furnace 2-1 is provided with an air inlet 2-1-1, industrial waste gas enters the preheating furnace 2-1 through the air inlet 2-1-1, moves along the inner wall of the lower part of the preheating furnace 2-1, then rises to enter each cavity and preheats materials by utilizing waste heat;
the blanking device 3 comprises a second steel wire rope 3-1, a blanking plate 3-2, a telescopic plate 3-4, a guide rail 3-5, a first motor 3-7, a first motor mounting seat 3-8, a first steel wire rope 3-9, a second motor 3-10 and a second motor mounting seat 3-11; the first motor mounting seat 3-8 and the second motor mounting seat 3-11 are both fixed on the preheating furnace 2-1, the first motor 3-7 is mounted on the first motor mounting seat 3-8, and the second motor 3-10 is mounted on the second motor mounting seat 3-11; an output shaft of a first motor 3-7 is connected with one end of a first steel wire rope 3-9, the other end of the first steel wire rope 3-9 is connected with one end of a blanking plate 3-2, the other end of the blanking plate 3-2 is hinged to the bottom of a preheating furnace 2-1, the first motor 3-7 is used for realizing the extension and contraction of the first steel wire rope 3-9, so that the blanking plate 3-2 rotates, and the connection with a container in the next process is realized; the bottom of the blanking plate 3-2 is provided with a guide rail 3-5, the guide rail 3-5 is provided with a telescopic plate 3-4 in a sliding manner, one end of the telescopic plate 3-4 is connected with one end of a second steel wire rope 3-1, the other end of the second steel wire rope 3-1 is wound on an output shaft of a second motor 3-10, the second motor 3-10 is used for realizing the extension and retraction of the second steel wire rope 3-1, further realizing the sliding of the telescopic plate 3-4 along the guide rail 3-5, and the material falls from the telescopic plate 3-4 to prevent splashing;
the power device 4 comprises a guide wheel mounting shaft 4-1, a third guide wheel 4-2, a third steel wire rope 4-3, a winding drum component 4-4, a mounting plate 4-5 and a fourth steel wire rope 4-6; the reel assembly 4-4 is arranged at the top of the outer frame body 1; the third guide wheel 4-2 is rotatably arranged at the top of the outer frame body 1 through a guide wheel mounting shaft 4-1; one end of a third steel wire rope 4-3 is connected with a winding drum of the winding drum component 4-4, and the other end of the third steel wire rope rounds a third guide wheel 4-2 and then passes through a shunt cover 2-2 and a second sealing disc 2-7 to be connected with a mounting plate 4-5; the mounting plate 4-5 is positioned in a through hole of the inner upright post 2-8, the mounting plate 4-5 is provided with a plurality of fourth steel wire ropes 4-6 through bow shackles, the other end of each fourth steel wire rope 4-6 is connected with the other end of the corresponding tray 2-10, the motion conditions of each fourth steel wire rope 4-6 are the same, simultaneous opening and closing are realized, a motor of the reel assembly 4-4 drives a reel of the reel assembly 4-4 to rotate, the third steel wire rope 4-3 stretches out and draws back, further the rotation of all trays 2-10 is realized, and the opening and closing of a blanking port of the preheating furnace 2-1 are realized.
Preferably, the flow dividing cover 2-2 consists of a circular truncated cone at the upper part and a cylinder at the lower part, the cylinder is used for installing the bearing 2-6, and the circular truncated cone or the cone is used for uniformly dispersing materials. The bearings 2-6 are preferably angular contact bearings.
The blanking device 3 also comprises a first guide wheel 3-3 and a second guide wheel 3-6; the first guide wheel 3-3 and the second guide wheel 3-6 are both arranged at the bottom of the blanking plate 3-2, the first guide wheel 3-3 plays a role in guiding the first steel wire rope 3-9, and the second guide wheel 3-6 plays a role in guiding the second steel wire rope 3-1.
Preferably, the number of trays 2-10, the number of fourth wire ropes 4-6, the number of spiral partitions 2-9 and the number of chambers for containing the material are the same; each tray 2-10 corresponds to a chamber for containing the material, and the shape of each tray 2-10 is the same as the shape of the bottom surface of the corresponding chamber for containing the material.
The blanking plate 3-2 is preferably a vacuum partition plate to prevent heat loss.
The outer surface of the preheating furnace 2-1 is provided with a heat preservation layer, and the heat preservation layer is made of polyurethane foam plastics to prevent heat loss.
The outer frame body 1 comprises a maintenance ladder 1-1 and a support frame 1-2; the guide wheel mounting shaft 4-1 and the winding drum assembly 4-4 are both mounted at the top of the support frame 1-2; the support frame 1-2 is fixed with the ground, and the maintenance ladder 1-1 is installed on the side face of the support frame 1-2, so that the installation and maintenance work of workers are facilitated, and the use is safe and reliable.
The utility model discloses a theory of operation and work flow are:
before preheating, the blanking plate 3-2 and all the trays 2-10 are in a horizontal state, and the bottom of each chamber is sealed and is in a closed state.
Preheating is started, materials are poured from an opening in the upper portion of the preheating furnace 2-1, the flow distribution cover 2-2 rotates under the impact effect of the materials, and the materials are distributed into each cavity to be preheated; high-temperature industrial waste gas is introduced from the gas inlet 2-1-1, and under the action of gas flow and gas pressure, the high-temperature gas spirally rises along with the gas inlet 2-8 and enters each cavity, and the materials are preheated by using waste heat, so that the heating is more uniform and sufficient;
after preheating is finished, preparing blanking work; starting a first motor 3-7 to enable a first steel wire rope 3-9 to extend, and rotating and inclining a blanking plate 3-2 by a certain angle to adjust the angle; meanwhile, a second motor 3-10 is started to enable a second steel wire rope 3-1 to extend, and a telescopic plate 3-4 slides along a guide rail 3-5 under the action of gravity and is connected with a container in the next procedure to adjust the position; then starting a motor of the reel assembly 4-4 to extend the third steel wire rope 4-3, rotating all the trays 2-10 to open a blanking port of the preheating furnace 2-1, and enabling the materials to fall into a container of the next procedure from the expansion plate 3-4; after the blanking is finished, the motor of the reel assembly 4-4 rotates reversely to enable the third steel wire rope 4-3 to contract, and all the trays 2-10 rotate reversely to close the blanking port of the preheating furnace 2-1; then the first motor 3-7 rotates reversely to enable the first steel wire rope 3-9 to contract, and the blanking plate 3-2 rotates reversely to a horizontal position; the second motor 3-10 rotates reversely to contract the second steel wire rope 3-1, the expansion plate 3-4 slides reversely along the guide rail 3-5 to return to the original position, and the next preheating period is started.
The utility model discloses the nothing is mentioned the part and is applicable to prior art.
Claims (8)
1. A spiral multi-cavity preheater is characterized by comprising an outer frame body, a preheating device, a discharging device and a power device;
the preheating device comprises a preheating furnace, a flow distribution cover, a first sealing disc, a mounting seat, a second sealing disc, an inner upright post, a spiral partition plate and a tray; the preheating furnace is arranged on the outer frame body; one side of each spiral partition plate is fixed on the inner upright post, and the spiral partition plates and the inner upright posts form a material flow dividing piece; the other side of the spiral partition plate is fixed on the inner wall of the preheating furnace, and a plurality of chambers for containing materials are formed between the spiral partition plate and the preheating furnace; a distance is reserved between the bottom surface of the material distributing piece and the bottom surface of the preheating furnace, and the lower part of the preheating furnace is provided with an air inlet; the upper end of the inner upright post is fixed with a mounting seat; the shunting cover is rotatably arranged on the mounting seat through a bearing, is positioned in the preheating furnace, and is used for dumping materials to rotate the shunting cover so as to shunt the materials to each chamber; the first sealing disc is sleeved on the lower part of the shunt cover and above the bearing and is connected with the mounting seat; a second sealing disc is fixed at the bottom of the mounting seat; one end of each tray is hinged to the inner wall of the lower part of the preheating furnace, and a closed structure formed when all the trays are folded is matched with a structure formed on the bottom surface of each material containing cavity, so that all the material containing cavities are sealed;
the blanking device comprises a second steel wire rope, a blanking plate, a telescopic plate, a guide rail, a first motor mounting seat, a first steel wire rope, a second motor and a second motor mounting seat; the first motor mounting seat and the second motor mounting seat are fixed on the preheating furnace, a first motor is mounted on the first motor mounting seat, and a second motor is mounted on the second motor mounting seat; an output shaft of the first motor is connected with one end of a first steel wire rope, the other end of the first steel wire rope is connected with one end of a blanking plate, and the other end of the blanking plate is hinged to the bottom of the preheating furnace; a guide rail is arranged on the blanking plate, a telescopic plate is slidably arranged on the guide rail, one end of the telescopic plate is connected with one end of a second steel wire rope, and the other end of the second steel wire rope is wound on an output shaft of a second motor;
the power device comprises a guide wheel mounting shaft, a third guide wheel, a third steel wire rope, a winding drum assembly, a mounting plate and a fourth steel wire rope; the winding drum assembly is arranged at the top of the outer frame body; the third guide wheel is rotatably arranged at the top of the outer frame body through a guide wheel mounting shaft; one end of a third steel wire rope is connected with a winding drum of the winding drum assembly, and the other end of the third steel wire rope bypasses a third guide wheel and then passes through the shunt cover and the second sealing disc to be connected with the mounting plate; the mounting plate is positioned in the inner upright post, a plurality of fourth steel wire ropes are mounted on the mounting plate, and the other end of each fourth steel wire rope is connected with the other end of the corresponding tray.
2. A preheater as recited in claim 1 wherein said spiral baffle and said trays are circumferentially disposed in said preheater.
3. A preheater as claimed in claim 1, wherein the number of trays, the number of fourth wire ropes, the number of spiral baffles and the number of chambers for receiving material are the same; each tray corresponds to a cavity for containing the materials, and the shape of each tray is the same as the shape of the bottom surface of the corresponding cavity for containing the materials.
4. A preheater as claimed in claim 1, wherein the split shroud is comprised of an upper circular truncated cone or cone for mounting the bearing and a lower cylinder for uniform dispersion of the material.
5. A preheater as recited in claim 1 wherein said blanking means further comprises a first guide wheel and a second guide wheel; the first guide wheel and the second guide wheel are both arranged at the bottom of the blanking plate, the first guide wheel plays a role in guiding the first steel wire rope, and the second guide wheel plays a role in guiding the second steel wire rope.
6. A preheater as recited in claim 1, wherein said blanking plate is a vacuum barrier.
7. A preheater as recited in claim 1, wherein said preheater has an insulation layer formed on an outer surface thereof, said insulation layer being made of polyurethane foam.
8. A preheater as claimed in claim 1, wherein the outer frame body comprises a service ladder and a support frame; the guide wheel mounting shaft and the winding drum assembly are both mounted at the top of the support frame; the support frame is fixed with ground, and the side-mounting of support frame has the maintenance ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751968.2U CN210773485U (en) | 2019-10-18 | 2019-10-18 | Spiral multi-chamber preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921751968.2U CN210773485U (en) | 2019-10-18 | 2019-10-18 | Spiral multi-chamber preheater |
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| CN210773485U true CN210773485U (en) | 2020-06-16 |
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| CN201921751968.2U Active CN210773485U (en) | 2019-10-18 | 2019-10-18 | Spiral multi-chamber preheater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715555A (en) * | 2019-10-18 | 2020-01-21 | 河北工业大学 | Spiral multi-chamber preheater |
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2019
- 2019-10-18 CN CN201921751968.2U patent/CN210773485U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715555A (en) * | 2019-10-18 | 2020-01-21 | 河北工业大学 | Spiral multi-chamber preheater |
| CN110715555B (en) * | 2019-10-18 | 2024-04-16 | 河北工业大学 | Spiral multi-cavity preheater |
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