CN217058232U

CN217058232U - Hot-blast furnace for gypsum production

Info

Publication number: CN217058232U
Application number: CN202220826746.8U
Authority: CN
Inventors: 李群; 黄生谦; 李晓春
Original assignee: Chongqing Hujiang New Building Materials Co ltd
Current assignee: Chongqing Hujiang New Building Materials Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-26
Anticipated expiration: 2032-04-11

Abstract

The utility model belongs to the technical field of the hot-blast furnace technique and specifically relates to a hot-blast furnace is used in gypsum production is related to, which comprises a mounting bas, stoving pipeline and heating device, the mount pad sets up the bottom at the stoving pipeline, the one end of stoving pipeline is rotated and is provided with the fixing base, the feed inlet has been seted up at the top of fixing base, the heating port has been seted up to the fixing base, heating device's output and heating port fixed connection, be provided with first gear on the lateral wall of stoving pipeline, it is provided with the second gear to rotate on the mount pad, first gear and second gear meshing are provided with the driving source on the mount pad. Start heating device and driving source earlier, the driving source drives the stoving pipeline and rotates, and heating device heats stoving pipeline inside, and the gypsum through the feed inlet is anomalous upset in pivoted stoving pipeline after that, then is discharged from the one end that the feed inlet was kept away from to the stoving pipeline, and the gypsum of doing anomalous upset constantly contacts with the inside hot-air of stoving pipeline, makes the gypsum dry evenly, and the effect of stoving gypsum is better.

Description

Hot-blast furnace for gypsum production

Technical Field

The application relates to the technical field of hot blast stoves, in particular to a hot blast stove for gypsum production.

Background

Gypsum is a monoclinic mineral and is a hydrate whose main chemical component is calcium sulfate (CaSO 4). Gypsum is a widely used industrial and building material. Can be used for cement retarder, gypsum building products, model making, medical food additive, sulfuric acid production, paper filler, paint filler and the like.

Can use the hot-blast furnace to dry the gypsum in gypsum production, at present, the hot-blast furnace includes heating device and hot-blast furnace, and heating device heats the hot-blast furnace, and equal opening about the inside cavity of hot-blast furnace, staff put into the hot-blast furnace with the gypsum after the breakage from the opening at top, then the heat of hot-blast furnace inside is dried the gypsum, and the staff takes out the gypsum after will drying from the bottom after that.

In view of the above-mentioned related art, the inventors found that the following drawbacks exist: after the gypsum gets into the hot-blast stove, from the top down begins to remove, and at the removal in-process, the gypsum stoving effect that is close to heating device more is better, and the gypsum stoving effect that keeps away from heating device more is relatively poor, and the gypsum stoving is inhomogeneous.

SUMMERY OF THE UTILITY MODEL

In order to make the gypsum dry evenly, this application provides a hot-blast furnace for gypsum production.

The application provides a hot-blast furnace for gypsum production adopts following technical scheme:

the utility model provides a hot-blast furnace for gypsum production, includes mount pad, stoving pipeline and heating device, the inside cavity and the both sides opening of stoving pipeline, the mount pad sets up the bottom at the stoving pipeline along the length direction interval of stoving pipeline, the one end of stoving pipeline is rotated and is provided with the fixing base, the feed inlet with the inside intercommunication of stoving pipeline is seted up at the top of fixing base, the heating gate with the inside intercommunication of stoving pipeline is seted up to the one end that the stoving pipeline was kept away from to the fixing base, heating device's output and heating gate fixed connection, coaxial fixed is provided with first gear on the lateral wall of stoving pipeline, it is provided with the second gear to rotate on the mount pad, first gear and second gear meshing, be provided with the driving source that is used for ordering about the second gear rotation on the mount pad.

Through adopting above-mentioned technical scheme, start heating device and driving source earlier, the driving source drives the stoving pipeline through first gear and second gear engagement and rotates, heating device heats stoving pipeline inside through the heat-addition mouth, make the inside temperature rise of stoving pipeline, the staff puts into the feed inlet with the gypsum after that, the gypsum that gets into the feed inlet is anomalous upset in pivoted stoving pipeline, then keep away from the one end discharge of feed inlet from the stoving pipeline, the gypsum that is anomalous upset constantly contacts with the inside hot-air of stoving pipeline, it is even to make the gypsum stoving, the effect of stoving gypsum is better.

Optionally, the stoving pipeline is provided with the ring along the length direction interval, the coaxial fixed setting of ring is on the lateral wall of stoving pipeline, it is provided with two running rollers, two to rotate on the mount pad the running roller sets up the both sides at the stoving pipeline along the width direction symmetry of stoving pipeline, two the running roller is all along the circumference sliding connection of the lateral wall of ring on the lateral wall of ring.

Through adopting above-mentioned technical scheme, at first gear drive second gear revolve's in-process, the running roller passes through ring and drying duct rolling connection, has reduced the bearing capacity between first gear and the second gear, and it is convenient to rotate drying duct.

Optionally, the outer side wall of the ring is circumferentially provided with a positioning groove, and the roller is slidably connected in the positioning groove along the circumferential direction of the outer side wall of the ring.

Through adopting above-mentioned technical scheme, the constant head tank prevents effectively that relative displacement from taking place between ring and the running roller with the running roller restriction in the ring, improves the stability that ring and running roller are connected.

Optionally, a plurality of connecting blocks are arranged on the inner side wall of the circular ring at intervals along the circumferential direction, a fixing piece is coaxially and fixedly arranged on the outer side wall of the drying pipeline, and one end of each connecting block is fixedly connected with the inner side wall of the circular ring, and the other end of each connecting block is fixedly connected with the fixing piece.

Through adopting above-mentioned technical scheme, the stationary blade has increased the area of contact of ring and stoving pipeline, has effectively reduced pressure, has improved stoving pipeline integrality.

Optionally, a spiral blade is spirally arranged on the inner side wall of the drying pipeline along the length direction of the drying pipeline.

Optionally, a mounting frame is fixedly arranged at one end, far away from the feeding hole, of the drying pipeline, and a discharge hopper is fixedly arranged on the mounting frame.

Optionally, the drying pipeline is arranged obliquely along the horizontal direction, and one end of the drying pipeline communicated with the feed inlet is a higher end.

Optionally, the inner side wall of the drying pipeline is provided with stop blocks in an array manner.

In summary, the present application includes at least one of the following beneficial technical effects:

firstly, starting a heating device and a driving source, wherein the driving source drives a drying pipeline to rotate, so that gypsum entering the drying pipeline is irregularly overturned in the rotating drying pipeline, and the gypsum is continuously contacted with hot air in the drying pipeline, so that the gypsum is uniformly dried, and the effect of drying the gypsum is better;

in the process that the first gear drives the second gear to rotate, the roller is in rolling connection with the drying pipeline through the circular ring, so that the bearing capacity between the first gear and the second gear is reduced, and the drying pipeline is convenient to rotate;

the stationary blade has increased the area of contact of ring and stoving pipeline, has effectively reduced pressure, has improved stoving pipeline integrality.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 2 is a partial structural schematic view (with the mounting frame and the discharge hopper hidden) of embodiment 1 of the present application.

Fig. 3 is a schematic structural diagram of embodiment 2 of the present application.

Description of the reference numerals: 1. a mounting seat; 2. drying the pipeline; 3. a heating device; 4. a fixed seat; 41. a feed inlet; 42. a heating port; 5. a first gear; 6. a second gear; 7. a drive source; 8. a circular ring; 81. positioning a groove; 9. a roller wheel; 10. connecting blocks; 11. a fixing sheet; 12. a helical blade; 13. a mounting frame; 14. a discharge hopper; 15. and a stop block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a hot blast stove for gypsum production.

Example 1:

referring to fig. 1, the hot-blast furnace includes mount pad 1, drying duct 2 and heating device 3, drying duct 2's one end is rotated and is installed fixing base 4, feed inlet 41 has been seted up on fixing base 4, heating port 42 has been seted up on fixing base 4, heating device 3's output and heating port 42 fixed connection, first gear 5 is installed to drying duct 2 lateral wall, install second gear 6 on the mount pad 1, first gear 5 and the meshing of second gear 6, be provided with on the mount pad 1 and be used for ordering about second gear 6 pivoted driving source 7.

The staff starts heating device 3 and driving source 7, driving source 7 drives second gear 6 and rotates, first gear 5 and the meshing of second gear 6, drive stoving pipeline 2 through first gear 5 and rotate along the axial of stoving pipeline 2, heating device 3 heats stoving pipeline 2 inside through heating port 42, make the inside temperature rise of stoving pipeline 2, the gypsum passes through feed inlet 41 and enters into stoving pipeline 2 in succession, the gypsum is anomalous upset in stoving pipeline 2, it is even to make the gypsum dry, the effect of stoving gypsum is better.

Referring to fig. 1 and 2, the drying duct 2 is a circular tube made of an alloy material, and the inside of the drying duct 2 is hollow and has openings at two sides. An opening at one end of the drying pipeline 2 is rotatably connected with the fixed seat 4. Fixing base 4 adopts the disc that the alloy material made, and fixing base 4 is connected with 2 coaxial rotations of drying duct, and feed inlet 41 has been seted up at the top of fixing base 4, and feed inlet 41 and the inside intercommunication of drying duct 2, feed inlet 41 department install the feeder hopper, and fixed mounting has the mount on fixing base 4, and mount fixed mounting is subaerial, makes fixing base 4 static for ground.

Referring to fig. 1 and 2, a spiral blade 12 is spirally provided on an inner sidewall of the drying duct 2 along a length direction. The gypsum entering the drying pipeline 2 is contacted with the spiral blade 12 and moves along the spiral direction of the spiral blade 12, and the drying effect of the gypsum is improved.

Referring to fig. 1, a conveyor is installed on the ground, and the conveyor conveys gypsum from the ground to a feed hopper of the fixing base 4, and then enters the inside of the drying duct 2 from the feed hopper through a feed inlet 41.

Referring to fig. 1, the axle center at fixing base 4 is seted up at fixing base 4's heating port 42, and heating device 3 adopts the combustor, and the combustor passes through pipeline and heating port 42 fixed connection, starts the combustor, and the high temperature flue gas that the combustor will burn and produce passes through the pipeline and enters into heating port 42 and enter into stoving pipeline 2 and dry the gypsum in the stoving pipeline 2.

Referring to fig. 1 and 2, a first gear 5 is coaxially and fixedly mounted on the outer side wall of the drying pipeline 2, a second gear 6 is rotatably mounted on the mounting base 1, the first gear 5 is engaged with the second gear 6, a driving source 7 for driving the second gear 6 to rotate is mounted on the mounting base 1, the driving source 7 adopts a servo motor, and an output shaft of the servo motor is coaxially and fixedly connected with the second gear 6. Staff's drive servo motor, servo motor drive second gear 6 and rotate, first gear 5 and the meshing of second gear 6 to drive drying duct 2 and rotate along the axial, make the gypsum that enters into in drying duct 2 constantly overturn, make the gypsum be heated more evenly, the stoving effect is better.

Referring to fig. 1 and 2, the drying pipeline 2 is provided with a ring 8 at intervals along the length direction, the ring 8 is coaxially arranged on the outer side wall of the drying pipeline 2, and two rollers 9 are rotatably arranged on one mounting seat 1. The mounting seat 1 is constructed by adopting reinforced concrete, the mounting seat 1 is installed a plurality of along the length direction interval of the drying pipeline 2, in the embodiment, the mounting seat is installed three, two rollers 9 are respectively installed on the two mounting seats 1 in a rotating mode, and the gear is installed by rotating the rest one mounting seat 1. Two running rollers 9 are installed in the both sides of stoving pipeline 2 along the width direction symmetry of stoving pipeline 2, and the one end that two running rollers 9 are close to each other is with stoving pipeline 2 butt. Two running rollers 9 all along the circumference sliding connection of the lateral wall of ring 8 on the lateral wall of ring 8.

The ring 8 cooperates with the roller 9, so that the transmission power required by the servo motor is effectively reduced, the noise generated during the operation of the drying pipeline 2 is effectively reduced, the bearing capacity between the first gear 5 and the second gear 6 is reduced, and the drying pipeline 2 is convenient to rotate.

The constant head tank 81 has been seted up along circumference to the lateral wall of ring 8, and running roller 9 is in the constant head tank 81 along the circumference sliding connection of the lateral wall of ring 8. Constant head tank 81 prevents effectively that relative displacement from taking place between ring 8 and the running roller 9 with running roller 9 restriction in ring 8, improves the stability that ring 8 and running roller 9 are connected.

Install a plurality of connecting blocks 10 along circumference interval on the inside wall of ring 8, connecting block 10 adopts the piece that adds up the material and make, coaxial fixed mounting has stationary blade 11 on drying duct 2's the lateral wall, the piece that stationary blade 11 adopted the alloy material to make, the cross sectional area of stationary blade 11 is greater than the area of ring 8 cross section, the one end of stationary blade 11 connecting block 10 and the inside wall fixed connection of ring 8, the other end and stationary blade 11 fixed connection. Stationary blade 11 has increased the area of contact of ring 8 and drying duct 2, has effectively reduced pressure, makes the pressure that drying duct 2 single point received diminish, has improved drying duct 2 integrality.

Referring to fig. 1, an installation frame 13 is fixedly installed at one end, far away from a feed inlet 41, of a drying pipeline 2, a discharge hopper 14 is fixedly installed on the installation frame 13, the discharge hopper 14 is made of alloy materials, the discharge hopper 14 is open at the upper end and the lower end and is hollow inside, and the area of the upper opening of the discharge hopper 14 is smaller than that of the lower opening. Fall out from drying duct 2, then fall into out hopper 14, the staff can be in the below installation of out hopper 14 and collect the bag or install the transmission band and collect the gypsum after drying, it is convenient to collect the gypsum after drying.

Example 2:

referring to fig. 3, the present embodiment 2 is different from the embodiment 1 in that the drying duct 2 is installed obliquely, and a stopper 15 is installed in the drying duct 2.

Referring to fig. 3, the drying duct 2 is installed to be inclined downward in a horizontal direction, and one end of the drying duct 2 communicating with the feed inlet 41 is a higher end. The inner side wall of the drying pipeline 2 is provided with a stop block 15 in an array manner. Dog 15 that dog 15 adopted alloy to make, the gypsum that enters into in the stoving pipeline 2 moves down along the incline direction of stoving pipeline 2, removes the in-process, is intercepted by dog 15 and rolls, makes the gypsum be heated more evenly, and it is effectual to dry.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a gypsum is hot-blast furnace for production which characterized in that: comprises a mounting seat (1), a drying pipeline (2) and a heating device (3), wherein the drying pipeline (2) is hollow inside and is provided with openings at two sides, the mounting seat (1) is arranged at the bottom of the drying pipeline (2) along the length direction of the drying pipeline (2) at intervals, one end of the drying pipeline (2) is rotatably provided with a fixed seat (4), the top of the fixed seat (4) is provided with a feed inlet (41) communicated with the inside of the drying pipeline (2), one end of the fixed seat (4) far away from the drying pipeline (2) is provided with a heating port (42) communicated with the inside of the drying pipeline (2), the output end of the heating device (3) is fixedly connected with the heating port (42), the outer side wall of the drying pipeline (2) is coaxially and fixedly provided with a first gear (5), the mounting seat (1) is rotatably provided with a second gear (6), the first gear (5) is meshed with the second gear (6), and a driving source (7) for driving the second gear (6) to rotate is arranged on the mounting base (1).

2. The hot blast stove for gypsum production according to claim 1, characterized in that: drying duct (2) are provided with ring (8) along the length direction interval, ring (8) coaxial fixation sets up on the lateral wall of drying duct (2), it is provided with two running rollers (9), two to rotate on mount pad (1) running roller (9) set up in the both sides of drying duct (2) along the width direction symmetry of drying duct (2), two running roller (9) are all along the circumference sliding connection of the lateral wall of ring (8) on the lateral wall of ring (8).

3. The hot blast stove for gypsum production according to claim 2, characterized in that: constant head tank (81) have been seted up along circumference to the lateral wall of ring (8), running roller (9) are along the circumference sliding connection of the lateral wall of ring (8) in constant head tank (81).

4. The hot blast stove for gypsum production according to claim 2, characterized in that: be provided with a plurality of connecting blocks (10) along the circumference interval on the inside wall of ring (8), coaxial fixed being provided with stationary blade (11) on the lateral wall of stoving pipeline (2), the one end of connecting block (10) and inside wall fixed connection, the other end and stationary blade (11) fixed connection of ring (8).

5. The hot blast stove for gypsum production according to claim 1, characterized in that: spiral blades (12) are spirally arranged on the inner side wall of the drying pipeline (2) along the length direction of the drying pipeline (2).

6. The hot blast stove for gypsum production according to claim 5, characterized in that: the drying pipeline (2) is far away from one end of the feed inlet (41) and is fixedly provided with a mounting frame (13), and a discharge hopper (14) is fixedly arranged on the mounting frame (13).

7. The hot blast stove for gypsum production according to claim 2, characterized in that: drying duct (2) set up along the horizontal direction slope, drying duct (2) are higher end with the one end of feed inlet (41) intercommunication.

8. The hot blast stove for gypsum production according to claim 7, characterized in that: and the inner side wall of the drying pipeline (2) is provided with stop blocks (15) in an array manner.