Waste heat recycling auxiliary device for production of pollution-free energy-saving material vitrified microbeads

Abstract

The utility model provides a waste heat recycling auxiliary device for production of pollution-free energy-saving material vitrified microbeads, which belongs to the technical field of vitrified microbeads, and comprises a shell, a hot air transmission pipe and a feed pipe, the shell is provided with a horizontally arranged through hole, and the shell is provided with a feed port and a discharge port; the hot air transmission pipe is mounted on the shell and penetrates through the through hole; the outer diameter of the hot air conveying pipe is smaller than the inner diameter of the through hole, and a material returning opening is formed between the outer side face of the hot air conveying pipe and the inner wall of the through hole. The feeding pipe is arranged on the outer wall of the shell in a penetrating manner and is fixedly connected with the shell; one end of the feeding pipe is located in the shell and communicated with the feeding port. According to the waste heat recycling auxiliary device for production of the pollution-free energy-saving material vitrified micro beads, the work of adding hot air into the drying machine, adding raw materials into the drying machine and discharging the raw materials out of the drying machine is smoothly and rapidly achieved through the shell, the hot air conveying pipe and the feeding pipe, the whole operation is easy and convenient, and the route is short.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the vitrified micropearl technical field, more specifically, relate to a kind of waste heat recycling auxiliary device for pollution-free energy-saving material vitrified micropearl production. BACKGROUND

[0002] In the production process of vitrified micropearl, the raw materials need to be preheated before being added to the expansion furnace, so that the raw materials can change stably after entering the high-temperature expansion furnace. Preheating can also effectively remove moisture from the raw materials to ensure the quality of the produced vitrified micropearl. Currently, when preheating the raw materials, the raw materials are added to a dryer, and hot air is added to the dryer to achieve the purpose of preheating the raw materials. However, the operation of adding hot air to the dryer, adding raw materials to the dryer, and discharging raw materials from the dryer is relatively complex, and the entire operation process is relatively long. SUMMARY

[0003] The utility model aims to provide a kind of waste heat recycling auxiliary device for pollution-free energy-saving material vitrified micropearl production, to solve the technical problems of raw material preheating operation being relatively complex and operation process being relatively long in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model employs the technical scheme of providing a kind of waste heat recycling auxiliary device for pollution-free energy-saving material vitrified micropearl production, comprising:

[0005] A shell is used to install between the dryer and the expansion furnace, and one side is used to interface with the dryer. The shell is provided with a through hole arranged horizontally and extending from the dryer to the expansion furnace. The side of the shell close to the dryer is provided with a feed inlet, and the feed inlet and the through hole correspond to the dryer. The lower end of the shell is provided with a discharge outlet.

[0006] A hot air transmission pipe is installed on the shell and passes through the through hole. One end of the hot air transmission pipe enters the dryer, and the other end is connected to the expansion furnace. The outer diameter of the hot air transmission pipe is smaller than the inner diameter of the through hole, and the outer side of the hot air transmission pipe and the inner wall of the through hole form a return port.

[0007] A feed pipe is fixedly connected to the outer wall of the shell. One end of the feed pipe is located in the shell and communicates with the feed inlet, and the other end is used to add raw materials to the feed pipe.

[0008] In a possible implementation, the through hole comprises a first hole segment and a second hole segment arranged on two opposite side walls of the shell respectively, the first hole segment and the second hole segment are coaxially arranged, the first hole segment is arranged close to the dryer, and the second hole segment is arranged close to the expansion furnace; the inner diameter of the first hole segment is greater than the outer diameter of the hot air conveying pipe, the second hole segment is installed in cooperation with the hot air conveying pipe; a plurality of connecting rods are arranged on the shell and located between the first hole segment and the hot air conveying pipe, and the plurality of connecting rods are arranged in the circumferential direction of the hot air conveying pipe, the two ends of the connecting rod are fixedly connected with the outer side of the hot air conveying pipe and the inner wall of the first hole segment respectively; the plurality of connecting rods separate the material return port.

[0009] In a possible implementation, the number of the connecting rods is three to six, and the plurality of connecting rods are uniformly arranged.

[0010] In a possible implementation, an annular flange is arranged on the side of the shell close to the dryer and surrounds the through hole, and the annular flange extends towards the inside of the dryer; the hot air conveying pipe is arranged in the annular flange; and the plurality of connecting rods are located in the annular flange.

[0011] In a possible implementation, a sealing ring for sealing connection with the dryer is arranged on the side of the shell close to the dryer, and the through hole and the material inlet port are located in the sealing ring.

[0012] In a possible implementation, an inclined mounting hole is arranged on the shell, the material pipe is arranged in an inclined manner and is installed in the inclined mounting hole in cooperation, and the lower end of the material pipe is connected to the material inlet port.

[0013] In a possible implementation, the mounting hole and the material inlet port are located on two adjacent outer walls of the shell respectively; the material pipe comprises a straight pipe segment and an elbow, the straight pipe segment is arranged in the mounting hole, the elbow is arranged at one end of the straight pipe segment located in the shell, and the elbow is connected to the material inlet port.

[0014] In a possible implementation, the shell further comprises an observation port arranged on one side of the material pipe and a shielding plate for closing the observation port, and the shielding plate is hinged to the shell.

[0015] In a possible implementation, the waste heat recycling auxiliary device for producing pollution-free and energy-saving materials, i.e., vitrified microbeads, further comprises:

[0016] A support top plate is arranged on one side of the top of the expansion furnace; the shell is mounted on the support top plate, and an opening corresponding to the material outlet is arranged on the support top plate;

[0017] A buffer storage tank is fixedly installed on the lower end surface of the support top plate and is located directly below the shell; the upper end of the buffer storage tank is provided with a feeding opening corresponding to the opening, and the lower end is provided with a discharge opening.

[0018] In a possible implementation, a valve for adjusting the flow rate of the raw material is arranged on the discharge opening.

[0019] The beneficial effects of the waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production provided by the utility model are as follows: compared with the prior art, the waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production of the utility model, when working, is installed between a dryer and an expansion furnace, one side of the shell is butted against the dryer, one end of the hot air transmission pipe penetrates into the inside of the dryer, and the other end is connected with the expansion furnace; the raw material is added into the inside of the shell from the feeding pipe and enters the dryer after passing through the feeding opening; at the same time, the hot air in the expansion furnace enters the dryer through the hot air transmission pipe, and the heat of the hot air exchanges with the raw material in the dryer to achieve the purpose of preheating the raw material; the raw material preheated by the dryer enters the shell from the return opening between the hot air transmission pipe and the inner wall of the through hole and passes through the discharge opening on the shell for next operation; in this way, the hot air is added into the dryer, the raw material is added into the dryer, and the raw material is discharged from the dryer smoothly and quickly with the help of the shell, the hot air transmission pipe and the feeding pipe, the whole operation is relatively simple, and the route is relatively short. The vitrified microsphere prepared in this way has a thermal conductivity of 0.041 W / (m•k), a volume water absorption rate of 16%, a surface vitrified closed pore rate of 95%, and a fireproof performance reaching A level; it can be seen that the performance of the above-mentioned vitrified microsphere completely meets the standard requirements. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0021] Figure 1 The internal structure schematic view of the waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production provided by the embodiments of the utility model is shown in the drawings.

[0022] Figure 2 The top view of the waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production provided by the embodiments of the utility model is shown in the drawings.

[0023] Figure 3The utility model provides a section view of waste heat recycling auxiliary device for pollutionless energy saving material vitrified microsphere production provided by the embodiment of the utility model,

[0024] Figure 4 The utility model provides a side view of waste heat recycling auxiliary device for pollutionless energy saving material vitrified microsphere production provided by the embodiment of the utility model,

[0025] Figure 5 The utility model provides a use state schematic diagram of waste heat recycling auxiliary device for pollutionless energy saving material vitrified microsphere production provided by the embodiment of the utility model.

[0026] Among them, the reference signs in the drawing are:

[0027] 1, shell, 11, through hole, 12, feed inlet, 13, discharge port, 14, first hole section, 15, second hole section, 16, connecting rod, 17, annular flange, 18, sealing ring, 19, inclined mounting hole, 2, hot air transmission pipe, 21, return port, 3, feed pipe, 31, straight pipe section, 32, elbow, 4, observation port, 41, shutter, 5, support top plate, 51, opening, 6, buffer storage tank, 61, inlet, 62, discharge port, 63, valve, 7, drying machine, 8, expansion furnace. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical schemes and beneficial effects to be solved in the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and embodiments.It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element.When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0031] In addition, the terms "first", "second" are only used for descriptive purposes and cannot be understood to indicate or imply relative importance or imply the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.

[0032] Please refer to Figures 1 to 5 The utility model provides a kind of waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production, which will be described below.The waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production includes a shell 1, a hot air transmission pipe 2 and a feeding pipe 3.The shell 1 is used to be installed between a dryer 7 and an expansion furnace 8, and one side is used to be connected with the dryer 7.The shell 1 is provided with a through hole 11 which is horizontally arranged and extends from the dryer 7 to the expansion furnace 8.The shell 1 is provided with a feeding port 12 on the side close to the dryer 7, and the feeding port 12 and the through hole 11 are used to correspond to the dryer 7.The lower end of the shell 1 is provided with a discharge port 13.The hot air transmission pipe 2 is installed on the shell 1 and penetrates the through hole 11.One end of the hot air transmission pipe 2 enters the dryer 7, and the other end is connected with the expansion furnace 8.The outer diameter of the hot air transmission pipe 2 is smaller than the inner diameter of the through hole 11, and a return port 21 is formed between the outer side of the hot air transmission pipe 2 and the inner wall of the through hole 11.The feeding pipe 3 penetrates the outer wall of the shell 1 and is fixedly connected with the shell 1.One end of the feeding pipe 3 is located in the shell 1 and communicates with the feeding port 12, and the other end is used to add raw materials to the feeding pipe 3.

[0033] Compared with the prior art, the waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production provided by the utility model is used to install the shell 1 between the dryer 7 and the expansion furnace 8, and one side of the shell 1 is connected with the dryer 7.One end of the hot air transmission pipe 2 penetrates into the dryer 7, and the other end is connected with the expansion furnace 8.Raw materials are added from the feeding pipe 3 to the inside of the shell 1 and enter the dryer 7 after penetrating the feeding port 12.At the same time, hot air in the expansion furnace 8 enters the dryer 7 through the hot air transmission pipe 2.The heat of the hot air exchanges with the raw materials in the dryer 7 to achieve the purpose of preheating the raw materials.The raw materials preheated by the dryer 7 enter the shell 1 from the return port 21 between the hot air transmission pipe 2 and the inner wall of the through hole 11, and then pass through the discharge port 13 on the shell 1 for the next operation.By this way, the hot air is added to the dryer 7, the raw materials are added to the dryer 7, and the raw materials are discharged from the dryer 7 smoothly and quickly with the help of the shell 1, the hot air transmission pipe 2 and the feeding pipe 3.The whole operation is relatively simple and the route is relatively short.

[0034] Please refer to Figures 1 to 3, as a specific embodiment of the waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production provided by the utility model, the through hole 11 includes the first hole section 14 and the second hole section 15 arranged on the two side walls of the shell 1 respectively, the first hole section 14 and the second hole section 15 are coaxially arranged, the first hole section 14 is arranged close to the dryer 7, and the second hole section 15 is arranged close to the expansion furnace 8; the inner diameter of the first hole section 14 is greater than the outer diameter of the hot air conveying pipe 2, and the second hole section 15 is installed in cooperation with the hot air conveying pipe 2; a plurality of connecting rods 16 are arranged on the shell 1 and located between the first hole section 14 and the hot air conveying pipe 2, and the plurality of connecting rods 16 are arranged along the circumferential direction of the hot air conveying pipe 2, and the two ends of the connecting rod 16 are fixedly connected with the outer side of the hot air conveying pipe 2 and the inner wall of the first hole section 14 respectively; the plurality of connecting rods 16 divide the material return port 21; the first hole section 14 and the second hole section 15 are located on the two side walls of the shell 1 respectively, wherein the inner diameter of the first hole section 14 is greater than that of the second hole section 15, the hot air conveying pipe 2 is arranged in the first hole section 14 and the second hole section 15, the hot air conveying pipe 2 is fixedly connected with the first hole section 14 through the connecting rod 16, and the spacing between the hot air conveying pipe 2 and the first hole section 14 forms the material return port 21; the hot air conveying pipe 2 is fixedly installed in cooperation with the second hole section 15. The length direction of the connecting rod 16 is consistent with the radial direction of the first hole section 14, and the two ends of the connecting rod 16 are fixedly connected with the inner wall of the first hole section 14 and the outer side of the hot air conveying pipe 2 respectively.

[0035] Please refer to Figure 1 , as a specific embodiment of the waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production provided by the utility model, the number of the connecting rods 16 is three to six, and the plurality of connecting rods 16 are uniformly arranged; the plurality of connecting rods 16 make the hot air conveying pipe 2 more stable and reliable in installation, and the plurality of connecting rods 16 are uniformly arranged, so that the hot air conveying pipe 2 is uniformly stressed, and the material return port is also uniformly arranged.

[0036] Please refer to Figures 1 to 4 , as a specific embodiment of the waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production provided by the utility model, the side of the shell 1 close to the dryer 7 is provided with an annular flange 17 arranged around the through hole 11, and the annular flange 17 extends towards the inside of the dryer 7; the hot air conveying pipe 2 is arranged in the annular flange 17; the plurality of connecting rods 16 are located in the annular flange 17; the annular flange 17 is arranged around the through hole 11 and extends outward; after the shell 1 is connected with the dryer 7, the annular flange 17 enters the dryer 7 and corresponds to the outlet of the dryer 7, so that the raw materials in the dryer 7 smoothly enter the material return port 21 of the through hole 11. The distance that the material return port 21 enters the dryer 7 is increased by means of the annular flange 17, and the connecting rod 16 is installed in the annular flange 17, and the connecting rod 16 has a certain length, so that the hot air conveying pipe 2 is more stable.

[0037] Referring to Figures 1 to 3 , as a specific embodiment of the waste heat recycling auxiliary device for producing pollution-free energy-saving material vitrified microsphere provided by the utility model, the shell 1 is provided with a sealing ring 18 for sealing connection with the drying machine 7 on the side close to the drying machine 7, and the through hole 11 and the feeding port 12 are both located in the sealing ring 18; the sealing ring 18 is arranged on the side of the shell 1, and the through hole 11 and the feeding port 12 of the shell 1 are both located in the sealing ring 18, so that when the shell 1 is connected with the drying machine 7, the sealing ring 18 is used to form a sealing connection between the shell 1 and the drying machine 7.

[0038] Referring to Figure 1 , as a specific embodiment of the waste heat recycling auxiliary device for producing pollution-free energy-saving material vitrified microsphere provided by the utility model, the shell 1 is provided with an inclined installation hole 19, and the feeding pipe 3 is arranged obliquely and is installed in the inclined installation hole 19; the lower end of the feeding pipe 3 is connected with the feeding port 12; specifically, when the feeding pipe 3 is installed, the feeding pipe 3 is arranged obliquely, so that the raw materials enter from the upper end of the feeding pipe 3 and enter into the shell 1 under the action of gravity. Therefore, the inclined installation hole 19 is arranged on the outer wall of the shell 1, so that the feeding pipe 3 is arranged in the inclined installation hole 19, thereby making the feeding pipe 3 stable and reliable in installation.

[0039] Referring to Figures 1 to 4 , as a specific embodiment of the waste heat recycling auxiliary device for producing pollution-free energy-saving material vitrified microsphere provided by the utility model, the installation hole and the feeding port 12 are located on two adjacent outer walls of the shell 1; the feeding pipe 3 comprises a straight pipe section 31 and an elbow 32, the straight pipe section 31 is arranged in the installation hole, the elbow 32 is arranged at one end of the straight pipe section 31 located in the shell 1, and the elbow 32 is connected with the feeding port 12; the inclined installation hole 19 is arranged on the outer wall of the shell 1 adjacent to the feeding port 12, so as to ensure that the feeding pipe 3 does not interfere with the drying machine 7, the expansion furnace 8 and the like. The feeding pipe 3 is arranged in two parts, the straight pipe section 31 and the elbow 32, the straight pipe section 31 is arranged in the inclined installation hole 19, and the elbow 32 is fixedly installed at one end of the straight pipe section 31 located in the shell 1, the elbow 32 is connected to the inner wall of the shell 1 and is in communication with the feeding port 12.

[0040] Referring to Figure 4 , as a specific embodiment of the waste heat recycling auxiliary device for producing pollution-free energy-saving material vitrified microsphere provided by the utility model, the shell 1 is further provided with an observation hole 4 located on one side of the feeding pipe 3 and a shielding plate 41 for closing the observation hole 4, and the shielding plate 41 is hinged to the shell 1; the observation hole 4 is arranged to enable the staff to observe the condition inside the shell 1 from the outside, so as to ensure that the work in the shell 1 is reliable and stable. Meanwhile, the shielding door is arranged on the shell 1, and the observation hole 4 is closed or opened by means of the shielding door.

[0041] Please refer to Figures 1 to 5 , as a specific embodiment of the waste heat recycling auxiliary device for producing pollution-free energy-saving material vitrified microsphere provided by the utility model, the waste heat recycling auxiliary device for producing pollution-free energy-saving material vitrified microsphere further includes a supporting top plate 5 and a buffer storage tank 6, the supporting top plate 5 is used to be arranged on one side of the top of the expansion furnace 8; the shell 1 is installed on the supporting top plate 5, and an opening 51 corresponding to the discharge port 13 is formed in the supporting top plate 5; the buffer storage tank 6 is fixedly installed on the lower end face of the supporting top plate 5 and is located directly below the shell 1; the upper end of the buffer storage tank 6 is provided with an inlet port 61 corresponding to the opening 51, and the lower end is provided with a discharge port 62; the supporting top plate 5 is arranged above the top of the expansion furnace 8, the shell 1 and the drying machine 7 are both installed on the supporting top plate 5, and the opening 51 is arranged on the supporting top plate 5; after the shell 1 is installed on the supporting top plate 5, the discharge port 13 at the lower end of the shell 1 is aligned with the opening 51; the buffer storage tank 6 is installed on the lower end face of the supporting top plate 5, and the inlet port 61 on the buffer storage tank 6 is aligned with the opening 51. When in use, the raw materials are lifted to the upper side of the supporting top plate 5 and are added into the shell 1 through the feeding pipe 3; after the raw materials dried by the dryer are returned into the shell 1, they pass through the discharge port 13, the opening 51 and the inlet port 61 in sequence and enter the inside of the buffer storage tank 6, and the buffer storage tank 6 is used to store the raw materials, so that the raw materials move stably and accurately through the discharge port 62 and are added into the expansion furnace 8 again.

[0042] Please refer to Figure 1 , Figures 3 to 5 , as a specific embodiment of the waste heat recycling auxiliary device for producing pollution-free energy-saving material vitrified microsphere provided by the utility model, the discharge port 62 is provided with a valve 63 used to adjust the flow rate of the raw materials; the valve 63 can be used to control the flow and flow rate of the raw materials passing through the discharge port in the buffer storage tank 6, so that the valve 63 can be quickly controlled according to the actual working requirements. The valve 63 is an electromagnetic valve, which is convenient for remote control.

[0043] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A waste heat recycling auxiliary device for producing pollution-free energy-saving material vitrified microsphere, characterized in that, The utility model relates to a kind of auxiliary devices for waste heat recycling of pollution-free energy-saving material vitrified microsphere production, including: Shell, for installation between drying machine and expansion furnace, and one side is used to interface with drying machine;The shell is equipped with the through hole being arranged horizontally and extending from drying machine to expansion furnace direction, the side of the shell close to drying machine is equipped with feed inlet, and the feed inlet and the through hole are used to correspond with drying machine, the lower end of the shell is equipped with discharge outlet; Hot air transmission pipe, installed on the shell, and is arranged in the through hole;One end of the hot air transmission pipe enters drying machine, and the other end is connected with expansion furnace;The outer diameter of the hot air transmission pipe is less than the inner diameter of the through hole, and the outer side of the hot air transmission pipe and the inner wall of the through hole form return port; Feed pipe, arranged in the outer wall of the shell and fixedly connected with the shell;One end of the feed pipe is located in the shell, and is communicated with the feed inlet, and the other end is used to add raw material to the feed pipe.

2. The waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production according to claim 1, characterized in that, The through hole includes first hole section and second hole section arranged on the opposite side walls of the shell respectively, the first hole section and the second hole section are coaxially arranged, and the first hole section is arranged close to drying machine, and the second hole section is arranged close to expansion furnace;The inner diameter of the first hole section is greater than the outer diameter of the hot air transmission pipe, and the second hole section is cooperatively installed with the hot air transmission pipe;The shell is equipped with a plurality of connecting rods arranged between the first hole section and the hot air transmission pipe, and a plurality of the connecting rods are arranged circumferentially along the hot air transmission pipe, both ends of the connecting rod are fixedly connected with the outer side of the hot air transmission pipe and the inner wall of the first hole section respectively;A plurality of the connecting rods separate the return port.

3. The waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production according to claim 2, characterized in that, The number of the connecting rods is three to six, and a plurality of the connecting rods are uniformly arranged.

4. The waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production according to claim 2, characterized in that, The side of the shell close to drying machine is equipped with annular flange arranged around the through hole, and the annular flange extends towards the inside of drying machine;The hot air transmission pipe is arranged in the annular flange; A plurality of the connecting rods are located in the annular flange.

5. The waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production according to claim 1, characterized in that, The side of the shell close to drying machine is equipped with sealing ring for sealing connection with drying machine, and the through hole and the feed inlet are located in the sealing ring.

6. The waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production according to claim 1, characterized in that, The shell is equipped with inclined mounting hole, and the feed pipe is inclinedly arranged and cooperatively mounted in the inclined mounting hole;The lower end of the feed pipe is opposite to the feed inlet.

7. The waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production according to claim 6, characterized in that, The mounting hole and the feed inlet are located on the adjacent two outer walls of the shell respectively;The feed pipe includes straight pipe section and elbow, the straight pipe section is arranged in the mounting hole, the elbow is arranged at one end of the straight pipe section located in the shell, and the elbow is opposite to the feed inlet.

8. The waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production according to claim 1, characterized in that, The shell is also equipped with observation port on one side of the feed pipe and shielding plate for closing the observation port, and the shielding plate is hinged with the shell.

9. The waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production according to claim 1, characterized in that, The auxiliary device for waste heat recycling of pollution-free energy-saving material vitrified microsphere production further includes: Supporting top plate, for being arranged on one side of the top of expansion furnace;The shell is mounted on the supporting top plate, and the supporting top plate is provided with opening corresponding to the discharge outlet. A buffer storage tank is fixedly installed on the lower end surface of the support top plate and located directly below the shell; the upper end of the buffer storage tank is provided with a feeding port corresponding to the opening, and the lower end is provided with a discharge port. 10.The waste heat recycling auxiliary device for pollution-free energy-saving material vitrified microsphere production of claim 9, characterized in that, A valve for adjusting the flow rate of the raw materials is arranged on the discharge port.

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