CN210663897U - Preheating furnace for vitrified micro bead and pineguanwei platinum - Google Patents
Preheating furnace for vitrified micro bead and pineguanwei platinum Download PDFInfo
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- CN210663897U CN210663897U CN201921803295.0U CN201921803295U CN210663897U CN 210663897 U CN210663897 U CN 210663897U CN 201921803295 U CN201921803295 U CN 201921803295U CN 210663897 U CN210663897 U CN 210663897U
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Abstract
The utility model relates to a vitrified micro bubble and pineAmin platinum preheating furnace, which comprises an outer shell and a central revolving drum, wherein the inner wall of the central revolving drum is provided with a first helical blade, the outer wall of the central revolving drum is provided with a second helical blade, and the rotation directions of the first helical blade and the second helical blade are opposite; one end of the central rotary drum is provided with a finished product feeding port connected with a discharge port of the vitrified micro bubble expansion furnace, the other end of the central rotary drum is connected with a finished product discharge port, one end of the outer shell, which is close to the product discharge port, is provided with a raw material preheating inlet, and one end of the outer shell, which is close to the product feeding port, is provided with a raw material preheating outlet. This application sets up through inner wall, the outside at center rotary drum and revolves to opposite helical blade for the inboard, the outside granule material subtend of center rotary drum is carried, can realize the cooling of high temperature finished product granule simultaneously and cool down and wait to preheat the preheating drying of raw materials granule, can effectively reduce the energy consumption in the expanded vitrified micro bubble course of working, the energy saving.
Description
Technical Field
The utility model relates to expanded perlite production equipment, in particular to a preheating furnace for vitrified micro bubbles and pineguan platinum.
Background
Vitrified micro bubbles (closed pore expanded perlite) is an inorganic vitreous mineral material, and the high-quality pineguanidium platinum is also called pineguanidium platinum; the vitrified microsphere is a white granular light material which is prepared by preheating perlite ore sand and roasting and expanding at instantaneous high temperature, has the interior of a honeycomb structure, is irregular spheroid particles, has an internal porous cavity structure, has the excellent characteristics of closed surface vitrification, smooth gloss, stable physical and chemical properties, light weight, heat insulation, fire resistance, high and low temperature resistance, ageing resistance, small water absorption rate and the like, can replace a plurality of traditional light aggregates such as fly ash floating beads, glass microspheres, expanded perlite, polyphenyl particles and the like to be applied to different products, and is an environment-friendly high-performance novel inorganic light heat-insulating material. The vitrified micro bubble gas expansion furnace complete equipment disclosed by the Chinese patent document with the publication number of CN101975509A comprises a frame body, a preheating furnace and an expansion furnace, wherein the preheating furnace and the expansion furnace are arranged on the frame body; the proposal disclosed in the document can preheat perlite raw materials through a preheating furnace, but the preheating furnace generates heat required by preheating through a burner, and has the defect of high energy consumption.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vitrified micro bubble and pineguanwei platinum preheater for solve the problem of high energy consumption of the preheater in the existing process of producing the expanded vitrified micro bubble.
In order to solve the above problems, the present invention provides a vitrified microsphere and pineAmin platinum preheating furnace, comprising a cylindrical outer shell with an axis arranged in the horizontal direction, wherein a central drum is arranged in the outer shell in a penetrating way, the central drum and the outer shell are arranged coaxially, a first helical blade is arranged on the inner wall of the central drum, a second helical blade is arranged on the outer wall of the central drum, and the rotation directions of the first helical blade and the second helical blade are opposite; a finished product feeding port connected with a discharge port of the vitrified microsphere expansion furnace is formed in one end of the central rotary drum, a finished product discharge port is connected to the other end of the central rotary drum, a raw material preheating inlet is formed in one end, close to the finished product discharge port, of the outer shell, and a raw material preheating outlet is formed in one end, close to the finished product feeding port, of the outer shell; when the central rotary drum rotates, the first helical blade can convey high-temperature particles in the central rotary drum from the finished product feeding port to the finished product discharging port, and the second helical blade can convey raw material particles to be preheated between the outer side of the central rotary drum and the inner side of the outer shell from the raw material preheating inlet to the raw material preheating outlet.
The utility model provides a vitrified micro bubble and pineamidium platinum preheating furnace, which is also characterized in that:
furthermore, a steel cylinder matched with the second spiral blade is further arranged in the outer shell, the second spiral blade rotates in the steel cylinder along with the central rotating cylinder, the outer edge of the second spiral blade is tightly attached to the inner wall of the steel cylinder, and the raw material preheating inlet and the raw material preheating outlet are communicated with the inner cavity of the steel cylinder; and a preheating cavity is formed between the outer wall of the steel cylinder and the outer shell, the preheating cavity is provided with an air inlet and an air outlet, and the air inlet is communicated with a high-temperature tail gas outlet of the expansion furnace.
Further, the inner side or the outer side of the outer shell is also provided with a heat insulation layer.
Furthermore, a combustor extending into the preheating cavity is arranged on the outer shell.
Further, the combustor is a low-nitrogen combustor, and a gas burner of the low-nitrogen combustor extends into the preheating cavity.
Further, a temperature detector is arranged at the raw material preheating outlet.
Further, the finished product feeding port is also provided with a feeding hopper, and the feeding hopper comprises a material receiving hopper and a connecting pipe, wherein the material receiving hopper is connected with a discharge port of the vitrified micro bubble expansion furnace, and the connecting pipe is inserted into the finished product feeding port.
Furthermore, the two ends of the central drum, which are positioned outside the outer shell, are respectively provided with a supporting disc.
Furthermore, the central rotary drum is located the one end that is close to the finished product discharge gate of shell body outside still is equipped with the toothed disc.
The utility model discloses following beneficial effect has: the spiral blades with opposite rotation directions are arranged on the inner wall and the outer part of the central rotary drum, so that when the central rotary drum rotates, the spiral blades can respectively drive the particle materials on the inner side and the outer side of the central rotary drum to be conveyed in a two-way mode, the raw material particles to be preheated, which are positioned between the outer wall of the central rotary drum and the outer shell, are heated by using the high-temperature finished product particles which flow in the central rotary drum and are subjected to high-temperature expansion through the vitrified microsphere expansion furnace, cooling and preheating of the high-temperature finished product particles and the raw material particles to be preheated can be simultaneously realized, the energy consumption in the process of processing the expanded vitrified microsphere can; the vitrified microsphere and guanwei platinum preheating furnace can continuously preheat raw materials, can realize continuous production operation and has high production efficiency.
Drawings
FIG. 1 is a schematic diagram showing a construction of a preheating furnace for a vitrified microsphere and pinetitanium based metal in an embodiment of the present invention;
FIG. 2 is a front view of a preheating furnace for vitrified micro beads and pinetitanium in accordance with one embodiment of the present invention;
FIG. 3 is a schematic diagram showing the internal structure of a preheating furnace for vitrified micro beads and pinetitanium according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In one embodiment of the vitrified microsphere, pine amidium platinum preheating furnace of the present invention as shown in FIGS. 1 to 3, the vitrified microsphere, pine amidium platinum preheating furnace comprises a cylindrical outer shell 10 with its axis arranged in horizontal direction, a central drum 20 passing through the outer shell 10, the central drum 20 being arranged coaxially with the outer shell 10, a first helical blade 21 being provided on the inner wall of the central drum 20, a second helical blade 22 being provided on the outer wall of the central drum 20, the first helical blade 21 and the second helical blade 22 being rotated in opposite directions; a finished product feeding port 201 used for being connected with a discharge port of the vitrified microsphere expansion furnace is formed in one end of the central rotary drum 20, a finished product discharge port 202 is connected to the other end of the central rotary drum 20, a raw material preheating inlet 101 is formed in one end, close to the finished product discharge port 202, of the outer shell 10, and a raw material preheating outlet 102 is formed in one end, close to the finished product feeding port 201, of the outer shell 10; when the central drum 20 rotates, the first helical blade 21 can convey the high-temperature particles inside the central drum 20 from the finished product inlet 201 to the finished product outlet 202, and the second helical blade 22 can convey the raw material particles to be preheated between the outside of the central drum 20 and the inside of the outer shell 10 from the raw material preheating inlet 101 to the raw material preheating outlet 102. In the vitrified microsphere and pineguani platinum preheating furnace, the spiral blades with opposite rotation directions are arranged on the inner wall and the outer part of the central rotary drum, so that the central rotary drum can respectively drive the particle materials on the inner side and the outer side of the central rotary drum to be bidirectionally conveyed through the spiral blades when rotating, and the raw material particles to be preheated, which are positioned between the outer wall of the central rotary drum and the outer shell, can be simultaneously cooled and preheated by utilizing the high-temperature finished product particles flowing in the central rotary drum after being subjected to high-temperature expansion of the vitrified microsphere expansion furnace, so that crystal water in the raw material particles is removed, the energy consumption in the process of processing expanded vitrified microsphere can be effectively reduced, and the energy is saved; the vitrified microsphere and guanwei platinum preheating furnace can continuously preheat raw materials, can realize continuous production operation and has high production efficiency.
In the above embodiment of the application, the high-temperature vitrified micro bubbles after being heated and expanded by the vitrified micro bubble expansion furnace enter the central drum 20 through the finished product feeding port 201, when the central drum rotates, the high-temperature vitrified micro bubbles flow from the finished product feeding port 201 to the finished product discharging port 202 under the action of the first helical blade, the normal-temperature raw material particles to be preheated between the outer wall of the central drum and the outer shell flow from the raw material preheating inlet 101 to the raw material preheating outlet 102 under the action of the second helical blade, the flow direction of the high-temperature vitrified micro bubbles is opposite to the flow direction of the normal-temperature raw material particles to be preheated, the raw material particles to be preheated are heated by using the waste heat of the high-temperature vitrified micro bubbles, and the raw material particles to be preheated are cooled, so that the energy consumption in the process of expanded and vitrified micro bubbles can be effectively reduced, and the energy can be saved; through set up the helical blade that turns to opposite on the inner wall of center rotary drum, outer wall, only need center rotary drum to rotate just can realize the two-way output of high temperature vitrification microballon granule, the raw materials granule of waiting to preheat, simple structure thinks about ingeniously.
In an embodiment of the present application, preferably, a steel cylinder 40 matched with the second helical blade is further disposed in the outer shell 10, the second helical blade 22 rotates with the central rotating cylinder 20 in the steel cylinder 40, an outer edge of the second helical blade 22 is tightly attached to an inner wall of the steel cylinder 40, and the raw material preheating inlet 101 and the raw material preheating outlet 102 are both communicated with an inner cavity of the steel cylinder 40; a preheating cavity is formed between the outer wall of the steel cylinder 40 and the outer shell, the preheating cavity is provided with an air inlet 103 and an air outlet 104, and the air inlet 103 is used for being communicated with a high-temperature tail gas outlet of the expansion furnace; in this embodiment, after entering the steel cylinder 40 through the raw material preheating inlet 101, the raw material particles to be preheated at normal temperature flow toward the raw material preheating outlet 102 in the steel cylinder under the action of the second helical blade, the flow direction of the high-temperature vitrified micro-bead particles is opposite to the flow direction of the raw material particles to be preheated, and the raw material particles to be preheated are heated by preheating the high-temperature vitrified micro-bead particles to remove crystal water in the raw material particles; in addition, high-temperature tail gas generated by the vitrified microsphere expansion furnace can enter the preheating cavity through the gas inlet 103, raw material particles to be preheated in the steel cylinder are heated outside the steel cylinder by utilizing the high-temperature tail gas, and the raw material particles to be preheated can be fully preheated to remove crystal water in the raw material particles by adopting a mode of preheating the raw material particles inside and outside the steel cylinder. In this embodiment, a space for flowing the high-temperature finished product particles in the central rotary drum 20, a space for flowing the normal-temperature raw material particles between the steel cylinder 40 and the central rotary drum 20, and a preheating chamber for flowing the high-temperature tail gas between the outer shell 10 and the steel cylinder 40 form a preheating structure with three layers, so that heat can be fully recycled, the thermal efficiency is high, and the normal-temperature raw material particles are fully preheated.
In one embodiment of the present application, preferably, the central axis of the air inlet may be parallel or perpendicular to the central axis of the outer shell, the air inlet may be arranged as shown in fig. 3, or the air inlet may be arranged on the side wall of the outer shell and the central axis of the air inlet is perpendicular to the central axis of the central drum, thereby facilitating the symmetrical arrangement of two air inlets on both sides of the outer shell; preferably, the inner or outer side of the outer shell 10 is also provided with an insulating layer 11, whereby heat that can be placed in the preheating chamber is diffused outwardly through the outer shell to provide thermal efficiency of the preheating furnace. Preferably, the outer shell 10 is provided with a burner 25 extending into the preheating chamber, and specifically, when the normal temperature raw material particles are heated only by the high temperature vitrified micro bubbles in the central drum 20 and the high temperature tail gas in the preheating chamber and cannot meet the preheating requirement, the temperature of the preheating chamber can be increased by starting the burner, so that the normal temperature raw material particles are fully preheated.
Preferably, the burner 25 is a low-nitrogen burner, and a gas burner of the low-nitrogen burner extends into the preheating cavity, and it can be understood that both the gas fuel and the combustion-supporting gas of the burner are delivered to the gas burner of the burner through an external pipeline, that is, the gas burner is integrated with a gas pipeline and a combustion-supporting gas pipeline. Preferably, a temperature detector is further disposed at the raw material preheating outlet 102, and of course, the installation position of the temperature detector can also be set as required, the temperature can be monitored by the temperature detector, and the burner or other elements can be controlled according to the temperature detection result.
In an embodiment of the present application, preferably, the finished product inlet 201 is further provided with an inlet hopper 30, the inlet hopper 30 includes a hopper 31 for connecting with the outlet of the vitrified microsphere expansion furnace and a connecting pipe 32 inserted into the finished product inlet 201, specifically, the diameter of the connecting pipe 32 is smaller than the inner diameter of the finished product inlet 201 of the central drum 20, and after the high-temperature vitrified microsphere particles expanded by the vitrified microsphere expansion furnace at high temperature enter the finished product inlet 201 through the inlet hopper 31 and the connecting pipe 32, the high-temperature vitrified microsphere particles at the finished product inlet 201 can be continuously conveyed to the finished product outlet 202 by the first spiral blade.
In one embodiment of the present application, it is preferable that two ends of the central drum 20 located outside the outer shell 10 are respectively provided with a supporting plate 23, and the two supporting plates 23 are arranged to facilitate supporting the central drum, so that the central drum 20 and the outer shell 10 can be respectively supported and fixed, and the weight of the central drum 20 does not act on the outer shell 10; specifically, support rollers corresponding to the support discs 23 may be disposed on the lower side of the central drum 20, and two support rollers are disposed on two sides of the lower side of each support disc 23 respectively to support the support discs 23, so that the weight of the central drum acts on the support seats or the support frames through the support rollers, thereby reliably supporting the central drum; the support of the rotating body is realized through the support rollers and the support disc, and the rotating body can be supported by a person skilled in the art according to the parameters of a place, the size, the weight and the like of the rotating body. The structure of the supporting roller is specifically designed, and is not described in detail herein. Preferably, the end of the central drum 20, which is located outside the outer shell 10 and close to the finished product outlet 202, is further provided with a gear disc 24, so that the central drum can be driven to rotate by an external power device through the gear disc, for example, a gear matched with the gear disc 24 is mounted on an output shaft of a motor, and the central drum is driven to rotate through the motor, the gear and the gear disc; of course, other designs for driving the rotation of the central drum may be used by those skilled in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A vitrified microsphere and pineguanwei platinum preheating furnace is characterized by comprising a cylindrical outer shell with an axis arranged in the horizontal direction, wherein a central rotary drum is arranged in the outer shell in a penetrating way, the central rotary drum and the outer shell are coaxially arranged, a first helical blade is arranged on the inner wall of the central rotary drum, a second helical blade is arranged on the outer wall of the central rotary drum, and the rotation directions of the first helical blade and the second helical blade are opposite; a finished product feeding port connected with a discharge port of the vitrified microsphere expansion furnace is formed in one end of the central rotary drum, a finished product discharge port is connected to the other end of the central rotary drum, a raw material preheating inlet is formed in one end, close to the finished product discharge port, of the outer shell, and a raw material preheating outlet is formed in one end, close to the finished product feeding port, of the outer shell; when the central rotary drum rotates, the first helical blade can convey high-temperature particles in the central rotary drum from the finished product feeding port to the finished product discharging port, and the second helical blade can convey raw material particles to be preheated between the outer side of the central rotary drum and the inner side of the outer shell from the raw material preheating inlet to the raw material preheating outlet.
2. The vitrified microsphere, pineamidinium platinum preheating furnace of claim 1, wherein a steel cylinder fitted with the second helical blade is further provided in the outer shell, the second helical blade rotates in the steel cylinder along with the central rotating cylinder, the outer edge of the second helical blade is tightly attached to the inner wall of the steel cylinder, and the raw material preheating inlet and the raw material preheating outlet are both communicated with the inner cavity of the steel cylinder; and a preheating cavity is formed between the outer wall of the steel cylinder and the outer shell, the preheating cavity is provided with an air inlet and an air outlet, and the air inlet is communicated with a high-temperature tail gas outlet of the expansion furnace.
3. The vitrified microsphere, pineamidinium platinum preheating furnace according to claim 2, wherein: and the inner side or the outer side of the outer shell is also provided with a heat-insulating layer.
4. The vitrified microsphere, pineamidinium platinum preheating furnace according to claim 3, wherein: and the outer shell is provided with a burner extending into the preheating cavity.
5. The vitrified microsphere, pineamidinium platinum preheating furnace according to claim 4, wherein: the combustor is a low-nitrogen combustor, and a gas burner of the low-nitrogen combustor extends into the preheating cavity.
6. The vitrified microsphere, pineamidinium platinum preheating furnace according to claim 1, wherein: the finished product inlet is also provided with a hopper, and the hopper comprises a connecting hopper and a connecting pipe, wherein the connecting hopper is connected with a discharge port of the vitrified micro bubble expansion furnace, and the connecting pipe is inserted into the finished product inlet.
7. The vitrified microsphere, pineamidinium platinum preheating furnace according to claim 1, wherein: the center rotary drum is located the both ends in the shell body outside still are equipped with the supporting disk respectively.
8. The vitrified microsphere, pineamidinium platinum preheating furnace according to claim 7, wherein: the central rotary drum is located the shell body outside is close to the one end of finished product discharge gate still is equipped with the toothed disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921803295.0U CN210663897U (en) | 2019-10-25 | 2019-10-25 | Preheating furnace for vitrified micro bead and pineguanwei platinum |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921803295.0U CN210663897U (en) | 2019-10-25 | 2019-10-25 | Preheating furnace for vitrified micro bead and pineguanwei platinum |
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| CN210663897U true CN210663897U (en) | 2020-06-02 |
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| CN201921803295.0U Active CN210663897U (en) | 2019-10-25 | 2019-10-25 | Preheating furnace for vitrified micro bead and pineguanwei platinum |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594422A (en) * | 2022-11-11 | 2023-01-13 | 山东祥桓环境科技有限公司（Cn） | Device and method for combined production of quicklime and sulfur by reduction and decomposition of gypsum |
-
2019
- 2019-10-25 CN CN201921803295.0U patent/CN210663897U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594422A (en) * | 2022-11-11 | 2023-01-13 | 山东祥桓环境科技有限公司（Cn） | Device and method for combined production of quicklime and sulfur by reduction and decomposition of gypsum |
| CN115594422B (en) * | 2022-11-11 | 2023-08-08 | 山东祥桓环境科技有限公司 | Device and method for co-producing quicklime and sulfur by gypsum reduction and decomposition |
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