CN212045440U

CN212045440U - Red mud-based circulating wood hot smelting and heating device

Info

Publication number: CN212045440U
Application number: CN202020576830.XU
Authority: CN
Inventors: 郭俊凡
Original assignee: Shandong Xindidan Environmental Protection Technology Co ltd
Current assignee: Shandong Xindidan Environmental Protection Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-01
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to a red mud base circulation wood hot melt is smelted and heating device, including smelting the cauldron, the heat transfer case, the outside of smelting the cauldron is equipped with the heating spacer, be equipped with gas transmission coil pipe in the heat transfer case, gas transmission coil pipe winding has spiral heat transfer coil pipe, spiral heat transfer coil pipe is connected with the gas-supply pipe, heat preservation intake pipe is connected to the gas-supply pipe, gas-supply pipe connection jet-propelled pipe, the winding has spiral heat transfer coil pipe on the smelting cauldron in the heating spacer, a plurality of spiral heat transfer coil pipe other ends are connected with the air duct, the fan is connected to the air duct other end, gas transmission coil pipe lower extreme is connected with the spray box, spray box upper portion is equipped with the blast pipe, the spray box bottom is equipped. The utility model discloses utilize spiral heat exchange coil and snakelike gas transmission coil to carry out the heat exchange, retrieve the heat in the waste gas, reduce extravagantly to the top of row material pipe of some hot gas channel can provide decurrent injection force when arranging the material, discharge the material with higher speed.

Description

Red mud-based circulating wood hot smelting and heating device

Technical Field

The utility model belongs to the technical field of the circulating wood production facility, concretely relates to red mud base circulating wood hot melt is smelted and heating device.

Background

The red mud-based recycled wood is a novel high-tech green environment-friendly composite material which is mainly synthesized by using red mud as a base material, a thermoplastic high polymer material, a processing aid and the like by utilizing a fusion technology and then is heated and extruded by using mould equipment to form the composite material, has the performance and characteristics of wood and plastic, is a novel composite material capable of replacing building materials such as wood, wood plastic and aluminum templates, not only greatly reduces the manufacturing cost when manufacturing pallets and household building materials and making outdoor garden landscapes, but also greatly improves the functional indexes such as ageing resistance, weather resistance, flame retardance and the like, and has various performances superior to those of similar products after being detected by the national building material detection and inspection center. During the production of the circulating wood, various powdery raw and auxiliary materials such as red mud powder, PVC powder, fly ash, a calcium-zinc stabilizer, a titanate coupling agent and the like need to be mixed, then the mixed raw materials are put into a hot melting tank for melting, so that the raw materials are melted, then the melted raw materials enter an extrusion device for extrusion, and the circulating wood is formed after molding and cooling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a red mud base circulation wood hot melt is smelted and heating device solves present device exhaust waste gas and has very high temperature, if not retrieve, can cause the energy extravagant to molten material has the stickness, and speed is slower during the discharge, influences production efficiency's problem.

The utility model discloses red mud base circulation wood hot smelting and heating device, including smelting the cauldron, smelting the cauldron and being equipped with the inlet pipe, discharging pipe and outlet duct, be equipped with sealed lid on the inlet pipe, all be equipped with the valve on discharging pipe and the outlet duct, smelting the cauldron and being equipped with (mixing) shaft and agitator, the agitator is fixed on the (mixing) shaft, the (mixing) shaft passes through coupling joint agitator motor, agitator motor fixes in the frame, the frame is fixed at smelting the top of cauldron, smelting the cauldron outside and being equipped with the heating spacer, be equipped with the heat preservation on the inner wall of heating spacer, still include the heat transfer case, be equipped with snakelike gas transmission coil pipe in the heat transfer case, each winding has spiral heat transfer coil pipe on the horizontal segment of gas transmission coil pipe, the one end of a plurality of spiral heat transfer coil pipes is connected with the gas-, the gas-supply pipe is connected the jet-propelled pipe, be equipped with the valve on the jet-propelled pipe, all be equipped with the valve on heat preservation intake pipe and the heat preservation outlet duct, the jet-propelled pipe other end stretches into and smelts cauldron and jet nozzle towards the discharging pipe, the winding has spiral heating coil on the cauldron of smelting in the heating spacer sleeve, a plurality of spiral heat exchange coil other ends are connected with the air duct, the fan is connected to the air duct other end, air duct coil lower extreme is connected with the spray box, spray box upper portion is equipped with the blast pipe, VOCs fume treatment device is connected to the blast pipe, it is equipped with the drain pipe to spray bottom of the box, be equipped with the valve on the drain pipe, be equipped.

The lower extreme of (mixing) shaft is equipped with and supports the cover, supports to be equipped with wear-resisting cover in the cover, and wear-resisting cover overlaps at the lower extreme of (mixing) shaft, supports the outside of cover and is fixed with the support, and the support lower extreme is fixed on smelting the cauldron, can support the (mixing) shaft, and stirring rotation is more steady.

A rotating shaft is rotatably installed in the middle of the multilayer packing layer, a liquid conveying pipe fixed with the rotating shaft is arranged above the inner packing layer, the bottom of the liquid conveying pipe installed by a spray head is arranged at the lower part in the rotating shaft, a liquid conveying channel communicated with the liquid conveying pipe is arranged at the bottom of the rotating shaft, a first rotating joint is fixedly connected with a water inlet pipe, an installation box is fixedly arranged at the top of the spray box, the upper end of the rotating shaft penetrates through the spray box to be rotatably installed on the installation box, a hollow disc is fixedly arranged at the upper end of the rotating shaft, a second rotating joint is fixedly arranged at the top of the rotating shaft, a gas conveying channel communicated with the hollow disc and the rotating joint is arranged in the upper end of the rotating shaft, guide pipes are uniformly distributed outside the hollow disc, flow limiting pipes are arranged at the outer ends of the guide pipes, an air pump is fixedly connected to the other, better cooling and dust removal.

The flow limiting pipe is funnel-shaped.

Compared with the prior art, the utility model has the advantages of:

through setting up the heat transfer case in smelting cauldron one side, utilize spiral heat transfer coil and snakelike gas transmission coil to carry out the heat exchange, retrieve the heat in the waste gas, then lead to in the heating spacer, separate outside room temperature and smelt the cauldron, keep warm to smelting the cauldron, accomplish heat recovery and utilize, reduce extravagantly to the top of the row material pipe of some steam channel wherein can provide decurrent injection force when row material, discharge material with higher speed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

FIG. 4 is a schematic top view of the hollow plate;

in the figure: 1. stirring motor, 2, (mixing) shaft, 3, outlet duct, 4, smelting kettle, 5, spiral heating coil, 6, heating spacer, 7, agitator, 8, jet-propelled pipe, 9, heat preservation intake pipe, 10, gas-supply pipe, 11, gas transmission coil, 12, heat transfer case, 13, pivot, 14, spiral heat transfer coil, 15, air duct, 16, fan, 17, install bin, 18, rotary joint two, 19, hollow disc, 20, honeycomb duct, 21, air pump, 22, spray box, 23, transfer line, 24, packing layer, 25, shower head, 26, inlet tube, 27, rotary joint one, 28, heat preservation outlet duct, 29, current-limiting pipe, 30, discharging pipe.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

The red mud-based circulating wood hot smelting and heating device shown in figures 1 to 4 comprises a smelting kettle 4, wherein a feeding pipe, a discharging pipe 30 and an air outlet pipe 3 are arranged on the smelting kettle 4, a stirring shaft 2 and a stirrer 7 are arranged in the smelting kettle 4, the stirring shaft 2 is connected with a stirring motor 1, a heating spacer 6 is arranged on the outer side of the smelting kettle 4, the device also comprises a heat exchange box 12, a snakelike air conveying coil pipe 11 is arranged in the heat exchange box 12, spiral heat exchange coil pipes 14 are respectively wound on the horizontal section of the air conveying coil pipe 11, one end of each spiral heat exchange coil pipe 14 is connected with an air conveying pipe 10, the other end of the air conveying pipe 10 is connected with a heat insulation air inlet pipe 9 fixed at the lower end of the heating spacer 6, a heat insulation air outlet pipe 28 is arranged at the upper end of the heating spacer 6, the air conveying pipe 10 is connected with an air jet pipe 8, the other end of the air jet pipe, the other end of the spiral heat exchange coil pipes 14 is connected with an air guide pipe 15, the other end of the air guide pipe 15 is connected with a fan 16, the lower end of the air transmission coil pipe 11 is connected with a spraying box 22, an exhaust pipe is arranged on the upper portion of the spraying box 22, a drain pipe is arranged at the bottom of the spraying box 22, a plurality of packing layers 24 are arranged in the spraying box 22, and a spraying head 25 is arranged above each layer of packing. And the exhaust pipe is provided with a draught fan.

The lower extreme of (mixing) shaft 2 is equipped with the support cover, supports to be equipped with wear-resisting cover in the cover, and wear-resisting cover overlaps at the lower extreme of (mixing) shaft 2, supports the outside of cover and is fixed with the support, and the support lower extreme is fixed on smelting cauldron 4.

The middle of multilayer packing layer 24 rotates and installs pivot 13, inlayer packing layer 24 top is equipped with the transfer line 23 fixed with pivot 13, the bottom of transfer line 23 of shower head 25 installation, the lower part is equipped with the infusion way of intercommunication transfer line 23 in the pivot 13, the bottom of pivot 13 is fixed with swivel joint 27, swivel joint 27 fixedly connected with inlet tube 26, the top of shower box 22 is fixed with install bin 17, the pivot 13 upper end is passed shower box 22 and is rotated and install on install bin 17, pivot 13 upper end is fixed with hollow disc 19, the top of pivot 13 is fixed with rotary joint two 18, be equipped with the air transmission way of intercommunication hollow disc 19 and rotary joint in the pivot 13 upper end, the outside evenly distributed of hollow disc 19 has honeycomb duct 20, the outer end of honeycomb duct 20 is equipped with current-limiting pipe 29, rotary joint two 18 other end fixedly connected with air pump 21, install bin 17 passes through the air intake of pipe connection fan 16.

The restrictor tube 29 is funnel shaped.

When in use, the discharge pipe, the air outlet pipe, the gas ejector pipe and the heat preservation air outlet pipe valve are closed, mixed materials enter from the feed pipe, the spiral heating coil pipe heats the smelting kettle to smelt the mixed materials in the smelting kettle, the air outlet pipe, the valves on the gas ejector pipe and the heat preservation air inlet pipe are opened after the mixed materials are smelted for a period of time, the fan and the air pump are opened, cooling water is introduced into the water inlet pipe, waste gas enters the gas transmission coil pipe to exchange heat with the spiral heat exchange coil pipe, the exchanged energy is input into the gas ejector pipe and the heat preservation air inlet pipe, the gas input into the gas ejector pipe can prevent the materials from remaining in the gas ejector pipe and recover heat energy for utilization, the gas after heat exchange enters the spraying box, the spraying box is in film-shaped motion and is in contact with gas phase, the gas-liquid two-phase flow mode in the box adopts counter, then the treated gas enters a VOCs flue gas treatment device for treatment and then is discharged. The heat preservation air outlet pipe is opened at intervals to deflate. When the material is discharged, the upper valve of the discharge pipe is opened, and the gas sprayed out of the gas spraying pipe can press the material to be rapidly discharged, so that the production efficiency is increased.

To sum up, the utility model discloses a set up the heat transfer case smelting cauldron one side, utilize spiral heat transfer coil and snakelike gas transmission coil to carry out the heat exchange, retrieve the heat in the waste gas, then lead to in the heating spacer, separate outside room temperature and smelt the cauldron, keep warm to smelting the cauldron, accomplish heat recovery and utilize, reduce extravagantly to the top of row's of some steam flow path material pipe wherein can provide decurrent injection power when arranging the material, discharge the material with higher speed.

In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Claims

1. The utility model provides a red mud base circulation wood hot melt and heating device, is equipped with inlet pipe, discharging pipe (30) and outlet duct (3) including smelting cauldron (4) on smelting cauldron (4), is equipped with (mixing) shaft (2) and agitator (7) in smelting cauldron (4), and agitator motor (1) is connected in (mixing) shaft (2), and the outside of smelting cauldron (4) is equipped with heating spacer (6), its characterized in that: the device is characterized by further comprising a heat exchange box (12), a snakelike gas conveying coil (11) is arranged in the heat exchange box (12), spiral heat exchange coils (14) are wound on the horizontal section of each gas conveying coil (11), one end of each spiral heat exchange coil (14) is connected with a gas conveying pipe (10), the other end of each gas conveying pipe (10) is connected with a heat-insulating gas inlet pipe (9) fixed at the lower end of each heating spacer sleeve (6), a heat-insulating gas outlet pipe (28) is arranged at the upper end of each heating spacer sleeve (6), each gas conveying pipe (10) is connected with a gas spraying pipe (8), the other end of each gas spraying pipe (8) extends into the smelting kettle (4) and faces towards a discharge pipe (30), a spiral heating coil (5) is wound on the smelting kettle (4) in each heating spacer sleeve (6), the other ends of the spiral heat exchange coils (14) are connected with gas guide pipes (15), the other ends of the gas, an exhaust pipe is arranged at the upper part of the spraying box (22), a drain pipe is arranged at the bottom of the spraying box (22), a plurality of packing layers (24) are arranged in the spraying box (22), and a spraying head (25) is arranged above each layer of packing.

2. The red mud-based circulating wood thermal smelting and heating device according to claim 1, characterized in that: the lower end of the stirring shaft (2) is provided with a support sleeve, a wear-resistant sleeve is arranged in the support sleeve, the wear-resistant sleeve is sleeved at the lower end of the stirring shaft (2), a support is fixed on the outer side of the support sleeve, and the lower end of the support is fixed on the smelting kettle (4).

3. The red mud-based circulating wood thermal smelting and heating device according to claim 2, characterized in that: a rotating shaft (13) is rotatably installed in the middle of the multilayer packing layer (24), a liquid conveying pipe (23) fixed with the rotating shaft (13) is arranged above the inner packing layer (24), the bottom of the liquid conveying pipe (23) installed by a spray head (25) is arranged, a liquid conveying channel communicated with the liquid conveying pipe (23) is arranged at the lower part in the rotating shaft (13), a rotating joint I (27) is fixed at the bottom of the rotating shaft (13), a water inlet pipe (26) is fixedly connected with the rotating joint I (27), an installation box (17) is fixed at the top of the spray box (22), the upper end of the rotating shaft (13) penetrates through the spray box (22) to be rotatably installed on the installation box (17), a hollow disc (19) is fixed at the upper end of the rotating shaft (13), a rotating joint II (18) is fixed at the top of the rotating shaft (13), a gas conveying channel communicated with the hollow disc (19) and the rotating joint is arranged in the, the outer end of the draft tube (20) is provided with a flow limiting tube (29), the other end of the second rotary joint (18) is fixedly connected with an air pump (21), and the installation box (17) is connected with an air inlet of the fan (16) through a pipeline.

4. The red mud-based circulating wood thermal smelting and heating device according to claim 3, characterized in that: the flow limiting pipe (29) is funnel-shaped.