CN210426051U

CN210426051U - Tunnel kiln for preparing refractory insulating bricks

Info

Publication number: CN210426051U
Application number: CN201920728309.0U
Authority: CN
Inventors: 孙玉岩
Original assignee: Tangshan Karen Thermal Insulation Material Co ltd
Current assignee: Tangshan Karen Thermal Insulation Material Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-28
Anticipated expiration: 2029-05-21

Abstract

The utility model relates to a tunnel kiln technical field especially relates to a tunnel kiln for preparing refractory insulation brick, cooling tube through the spiral setting increases the area of contact of cooling tube and water smoke, and cool down through the high temperature flue gas of the diversified water smoke that spouts of multiunit atomising head in the cooling tube, cool down twice to the flue gas through two sets of cooler boxes and guarantee that the temperature of flue gas reduces to the degree that purifier can bear, improve purifier's life, collect the cooling water through the storage water tank simultaneously, be used for drying section and preheating section, improve tunnel kiln to thermal utilization ratio; comprises a kiln body, a track, a kiln car, wheels, a high-temperature fan, a drying section, a preheating section, a roasting section, a cooling section, a smoke exhaust pipe and a purifying device; the spray head device further comprises a cold water tank, a water pump, a main water pipe, two groups of water inlet pipes, two groups of water outlet pipes, a water storage tank, two groups of cooling pipes, two groups of cooling tanks, two groups of left spray pipes, two groups of middle spray pipes, two groups of right spray pipes and a plurality of groups of spray heads.

Description

Tunnel kiln for preparing refractory insulating bricks

Technical Field

The utility model relates to a tunnel cave technical field especially relates to a tunnel cave for preparing refractory insulation brick.

Background

As is well known, a tunnel kiln is an auxiliary device for high-temperature calcination of an original blank of a refractory insulating brick in the production and processing process of the refractory insulating brick, and is widely used in the technical field of tunnel kilns; the existing tunnel kiln comprises a kiln body, a track, a kiln car, wheels, a high-temperature fan, a drying section, a preheating section, a roasting section, a cooling section, a smoke exhaust pipe and a purifying device; when the existing tunnel kiln is used, a raw blank is guided into a kiln body through a kiln car, a high-temperature fan is used for drying raw materials in a drying section to remove a large amount of moisture in the raw blank, the raw blank enters a preheating section for preheating after being dried, enters a roasting section for high-temperature roasting after being preheated, and finally enters a cooling section for cooling; present tunnel cave is used and is found, the high temperature flue gas that produces in the tunnel cave is discharged after through purifier after simple cooling, but the temperature of high temperature flue gas after simple cooling is higher, higher temperature can produce great influence to purifier, lead to purifier's life lower, need often change, consume a large amount of resources, and present tunnel cave preheats the former base through small-size combustor alone when preheating, can consume a large amount of resources equally, consequently, it is lower to thermal utilization ratio.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a tunnel kiln for preparing refractory insulating brick that heat utilization rate is high, and flue gas cooling is thorough, purifier long service life.

The utility model discloses a tunnel cave for preparing fire-resistant insulating brick, including the kiln body, the track, the kiln car, the wheel, the high temperature fan, the drying section, preheat the section, the calcination section, the cooling zone, exhaust pipe and purifier, the track runs through to be set up in the internal bottom of kiln, the wheel sets up in the bottom of kiln car, the bottom roll of wheel sets up in orbital top, the drying section sets up in the front end of the kiln body, preheat the section and set up in the middle-end of the kiln body, the calcination section sets up in the middle-end of the kiln body, the cooling zone sets up in the rear end of the kiln body, the drying section, preheat the section, calcination section and cooling zone arrange in proper order from front to back in the kiln body, exhaust pipe fixes setting in the rear end right side of calcination section, the high temperature fan is fixed to be set up in the middle-end left side of drying section; the device also comprises a cold water tank, a water pump, a main water pipe, two groups of water inlet pipes, two groups of water outlet pipes, a water storage tank, two groups of cooling pipes, two groups of cooling tanks, two groups of left spray pipes, two groups of middle spray pipes, two groups of right spray pipes and a plurality of spray heads, wherein the right end of the smoke exhaust pipe is fixedly connected with the left end of one group of cooling pipes, the two groups of cooling pipes are connected through a pipeline, the two groups of cooling pipes are spirally arranged in the two groups of cooling tanks, the bottom ends of the two groups of water inlet pipes are respectively and fixedly connected with the top ends of the two groups of cooling tanks, the top ends of the two groups of water inlet pipes are respectively and fixedly connected with the bottom ends of the main water pipe, the top ends of the main water pipe are fixedly connected with the bottom ends of the water pump, the water pump is fixedly connected with the top ends of the two groups, the top of two sets of right spray pipes respectively with the top fixed connection of two sets of inlet tubes and set up in the inside right side of two sets of cold water tanks, the multiunit atomising head evenly sets up in the middle-end of two sets of left spray pipes, well spray pipe and right spray pipe, the top of two sets of drain pipes respectively with the bottom fixed connection of two sets of cooler bins, the bottom of two sets of drain pipes all with the top fixed connection of storage water tank.

The utility model discloses a tunnel cave for preparing refractory insulation brick still includes the heat preservation, and the heat preservation is fixed to be set up in the outside of the kiln body.

The utility model discloses a tunnel cave for preparing refractory insulation brick still includes two sets of heat-insulating slots and two sets of thermal-insulated skirtboards, and two sets of heat-insulating slots are fixed respectively and are set up in the bottom both sides of calcination section, are provided with thermal-insulated material in two sets of heat-insulating slots, and the top of two sets of thermal-insulated skirtboards respectively with the top both sides fixed connection of kiln car, the bottom of two sets of thermal-insulated skirtboards all is provided with the plug, and the plug inserts in the thermal-insulated material downwards from the top of two sets of heat-insulating slots.

The utility model discloses a tunnel cave for preparing refractory insulation brick still includes thermal-insulated spout and thermal-insulated slide, and the thermal-insulated spout is fixed to be set up in the inside middle-end both sides of calcination section, and the one end of thermal-insulated slide is fixed to be set up in the middle-end both sides of kiln car, and the one end of thermal-insulated slide slides and sets up in thermal-insulated spout.

The utility model discloses a tunnel cave for preparing refractory insulation brick still includes temperature sensor, and temperature sensor is fixed to be set up in the top of calcination section.

The utility model discloses a tunnel cave for preparing refractory insulation brick still includes the flue gas valve, and the flue gas valve is fixed to be set up in the middle-end of flue gas pipe.

The utility model discloses a tunnel cave for preparing refractory insulation brick still includes the water intaking valve, and the water intaking valve is fixed to be set up in the middle-end of two sets of inlet tubes.

The utility model discloses a tunnel cave for preparing refractory insulation brick still includes the drain valve, and the drain valve is fixed to be set up in the middle-end of two sets of drain pipes.

Compared with the prior art, the beneficial effects of the utility model are that: when using the tunnel cave to roast refractory insulation brick, the area of contact of cooling tube increase cooling tube through the spiral setting and water smoke, and cool down the high temperature flue gas in the cooling tube through the diversified blowout water smoke of multiunit atomising head, carry out the temperature reduction of twice assurance flue gas to the flue gas through two sets of cooler boxes and reduce to the degree that purifier can bear, improve purifier's life, collect the cooling water through the storage water tank simultaneously, be used for dry section and preheating section, improve the tunnel cave to thermal utilization ratio.

Drawings

Fig. 1 is an overall top view schematic diagram of the present invention;

FIG. 2 is a schematic structural view of a roasting section of the present invention;

FIG. 3 is a schematic view of the cooling structure connection of the present invention;

FIG. 4 is a schematic view of the interior of the cooling box of the present invention;

FIG. 5 is an enlarged view of reference A in FIG. 2;

in the drawings, the reference numbers: 1. a kiln body; 2. a track; 3. kiln car; 4. a wheel; 5. a high temperature fan; 6. a drying section; 7. a preheating section; 8. a roasting section; 9. a cooling section; 10. a smoke exhaust pipe; 11. a purification device; 12. a cold water tank; 13. a water pump; 14. a main water pipe; 15. a water inlet pipe; 16. a drain pipe; 17. a water storage tank; 18. a cooling tube; 19. a cooling tank; 20. a left nozzle; 21. a middle spray pipe; 22. a right nozzle; 23. a spray head; 24. a heat-insulating layer; 25. a heat insulation groove; 26. a heat-insulating skirt board; 27. a heat insulation chute; 28. a heat insulation slide plate; 29. a temperature sensor; 30. a flue gas valve; 31. a water inlet valve; 32. and (4) draining the water valve.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 5, the tunnel kiln for preparing refractory insulating bricks of the utility model comprises a kiln body 1, a track 2, a kiln car 3, wheels 4, a high temperature fan 5, a drying section 6, a preheating section 7, a roasting section 8, a cooling section 9, a smoke exhaust pipe 10 and a purifying device 11, wherein the track 2 is arranged at the bottom inside the kiln body 1 in a penetrating way, the wheels 4 are arranged at the bottom of the kiln car 3, the bottom of the wheels 4 are arranged at the top end of the track 2 in a rolling way, the drying section 6 is arranged at the front end of the kiln body 1, the preheating section 7 is arranged at the middle end of the kiln body 1, the roasting section 8 is arranged at the middle end of the kiln body 1, the cooling section 9 is arranged at the rear end of the kiln body 1, the drying section 6, the preheating section 7, the roasting section 8 and the cooling section 9 are arranged in sequence from front to back in the kiln body 1, the smoke exhaust pipe 10 is fixedly arranged at the right side of the rear end of, the left end of the purification device 11 is connected with the right end of the smoke exhaust pipe 10; still include cold water tank 12, water pump 13, main water pipe 14, two sets of inlet tubes 15, two sets of drain pipes 16, storage water tank 17, two sets of cooling tube 18, two sets of cooler boxes 19, two sets of left spray pipes 20, two sets of well spray pipes 21, two sets of right spray pipes 22 and multiunit atomising head 23, the right-hand member of pipe 10 of discharging fume and the left end fixed connection of a set of cooling tube 18, two sets of cooling tube 18 pass through the pipe connection, two sets of cooling tube 18 spiral sets up in two sets of cooler boxes 19, the bottom of two sets of inlet tubes 15 respectively with the top fixed connection of two sets of cooler boxes 19, the top of two sets of inlet tubes 15 all with the bottom fixed connection of main water pipe 14, the top of main water pipe 14 and the bottom fixed connection of water pump 13, water pump 13 and cold water tank 12 fixed connection, the top of two sets of left spray pipes 20 respectively with the bottom fixed connection of two sets of inlet tubes 15 and set up in the inside left side of two sets The top ends of the two groups of right spray pipes 22 are respectively fixedly connected with the top ends of the two groups of water inlet pipes 15 and are arranged on the right side in the two groups of cold water tanks 12, the multiple groups of spray heads 23 are uniformly arranged at the middle ends of the two groups of left spray pipes 20, the middle spray pipes 21 and the right spray pipes 22, the top ends of the two groups of water discharge pipes 16 are respectively fixedly connected with the bottom ends of the two groups of cooling tanks 19, and the bottom ends of the two groups of water discharge pipes 16 are respectively fixedly connected with the top end of; when using the tunnel cave to roast refractory insulation brick, the area of contact of cooling tube increase cooling tube through the spiral setting and water smoke, and cool down the high temperature flue gas in the cooling tube through the diversified blowout water smoke of multiunit atomising head, carry out the temperature reduction of twice assurance flue gas to the flue gas through two sets of cooler boxes and reduce to the degree that purifier can bear, improve purifier's life, collect the cooling water through the storage water tank simultaneously, be used for dry section and preheating section, improve the tunnel cave to thermal utilization ratio.

The tunnel kiln for preparing the refractory insulating brick of the utility model also comprises an insulating layer 24, and the insulating layer 24 is fixedly arranged at the outer side of the kiln body 1; the roasting section is insulated through the insulating layer, and heat is prevented from being dissipated.

The utility model discloses a tunnel cave for preparing fire-resistant insulating brick still includes two sets of heat-insulating slots 25 and two sets of thermal-insulated skirtboards 26, and two sets of heat-insulating slots 25 are fixed respectively in the bottom both sides of calcination section 8, are provided with thermal-insulated material in two sets of heat-insulating slots 25, and the top of two sets of thermal-insulated skirtboards 26 is fixed connection with the top both sides of kiln car 3 respectively, and the bottom of two sets of thermal-insulated skirtboards 26 all is provided with the plug, and the plug inserts in the thermal-insulated material from the top of two sets of heat-insulating slots 25 downwards; the heat is prevented from entering the bottom of the kiln car through the heat insulation skirtboard.

The utility model discloses a tunnel cave for preparing fire-resistant insulating brick, still include thermal-insulated spout 27 and thermal-insulated slide 28, thermal-insulated spout 27 is fixed to be set up in the inside middle-end both sides of calcination section 8, and the one end of thermal-insulated slide 28 is fixed to be set up in the middle-end both sides of kiln car 3, and the one end of thermal-insulated slide 28 slides and sets up in thermal-insulated spout 27; further insulation is provided by the insulation slide.

The tunnel kiln for preparing the refractory insulating bricks of the utility model also comprises a temperature sensor 29, wherein the temperature sensor 29 is fixedly arranged at the top end of the roasting section 8; the temperature in the calcination section is monitored by a temperature sensor.

The utility model discloses a tunnel cave for preparing refractory insulating brick, still include flue gas valve 30, and flue gas valve 30 is fixed to be set up in the middle-end of flue gas pipe; the smoke discharge is controlled by a smoke valve.

The tunnel kiln for preparing the refractory insulating bricks of the utility model also comprises a water inlet valve 31, wherein the water inlet valve 31 is fixedly arranged at the middle ends of the two groups of water inlet pipes 15; the flow of cooling water is controlled by a water inlet valve.

The tunnel kiln for preparing the refractory insulating brick of the utility model also comprises a drain valve 32, wherein the drain valve 32 is fixedly arranged at the middle end of the two groups of drain pipes 16; the flow of cooling water is controlled by a drain valve.

The utility model discloses a tunnel cave for preparing fire-resistant insulating brick, it is when using the tunnel cave to roast fire-resistant insulating brick, increase the area of contact of cooling tube and water smoke through the cooling tube of spiral setting, and through the diversified water smoke that spouts of multiunit atomising head to cool down to the high temperature flue gas in the cooling tube, carry out twice cooling to the flue gas through two sets of cooler boxes and guarantee that the temperature of flue gas reduces to the degree that purifier can bear, improve purifier's life, collect the cooling water through the storage water tank simultaneously, be used for dry section and preheating section, improve tunnel cave heat utilization ratio to the heat, keep warm to the calcination section through the heat preservation, prevent heat effluvium, prevent heat entering kiln car bottom through thermal-insulated skirtboard, further insulate against heat through thermal-insulated slide, monitor the temperature in the calcination section through temperature sensor, control flue gas discharge through the flue gas valve, the cooling water flow is controlled by the water inlet valve and the cooling water flow is controlled by the water discharge valve, and the device is moved to a position required by a user before the operation is completed.

The utility model discloses a tunnel cave for preparing refractory insulation brick, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to concrete structure, model and the coefficient index of all its parts are its from taking the technique, as long as can reach all can implement of its beneficial effect, so do not add at many and give unnecessary details.

The tunnel kiln for preparing the refractory insulating brick of the utility model has the advantages that under the condition that the contrary explanation is not made, the directional terms "up, down, left, right, front, back, inside, and outside, and vertical and horizontal" included in the term merely represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A tunnel kiln for preparing refractory heat-insulating bricks comprises a kiln body (1), a track (2), a kiln car (3), wheels (4), a high-temperature fan (5), a drying section (6), a preheating section (7), a roasting section (8), a cooling section (9), a smoke exhaust pipe (10) and a purification device (11), wherein the track (2) is arranged at the bottom inside the kiln body (1) in a penetrating manner, the wheels (4) are arranged at the bottom end of the kiln car (3), the bottom end of the wheels (4) is arranged at the top end of the track (2) in a rolling manner, the drying section (6) is arranged at the front end of the kiln body (1), the preheating section (7) is arranged at the middle end of the kiln body (1), the roasting section (8) is arranged at the middle end of the kiln body (1), the cooling section (9) is arranged at the rear end of the kiln body (1), the drying section (6), the preheating section (7), the roasting section (8) and the cooling section (9) are arranged in sequence from front in, the smoke exhaust pipe (10) is fixedly arranged on the right side of the rear end of the roasting section (8), the high-temperature fan (5) is fixedly arranged on the left side of the middle end of the drying section (6), and the left end of the purifying device (11) is connected with the right end of the smoke exhaust pipe (10); the device is characterized by further comprising a cold water tank (12), a water pump (13), a main water pipe (14), two groups of water inlet pipes (15), two groups of water discharge pipes (16), a water storage tank (17), two groups of cooling pipes (18), two groups of cooling tanks (19), two groups of left spray pipes (20), two groups of middle spray pipes (21), two groups of right spray pipes (22) and a plurality of groups of spray heads (23), wherein the right end of the smoke discharge pipe (10) is fixedly connected with the left end of one group of cooling pipes (18), the two groups of cooling pipes (18) are connected through a pipeline, the two groups of cooling pipes (18) are spirally arranged in the two groups of cooling tanks (19), the bottom ends of the two groups of water inlet pipes (15) are respectively and fixedly connected with the top ends of the two groups of cooling tanks (19), the top ends of the two groups of water inlet pipes (15) are both fixedly connected with the bottom end of the main water pipe (14, the water pump (13) is fixedly connected with the cold water tank (12), the top ends of the two groups of left spray pipes (20) are respectively fixedly connected with the bottom ends of the two groups of water inlet pipes (15) and are arranged at the left side in the two groups of cooling tanks (19), the top ends of the two groups of middle spray pipes (21) are respectively fixedly connected with the bottom ends of the two groups of water inlet pipes (15) and are arranged at the middle ends in the two groups of cooling boxes (19), the top ends of the two groups of right spray pipes (22) are respectively and fixedly connected with the top ends of the two groups of water inlet pipes (15) and are arranged at the right side in the two groups of cold water tanks (12), the plurality of groups of spray heads (23) are uniformly arranged at the middle ends of the two groups of left spray pipes (20), middle spray pipes (21) and right spray pipes (22), the top ends of the two groups of water discharge pipes (16) are respectively and fixedly connected with the bottom ends of the two groups of cooling boxes (19), the bottom ends of the two groups of water discharge pipes (16) are fixedly connected with the top end of the water storage tank (17).

2. The tunnel kiln for manufacturing the refractory heat-insulating brick as claimed in claim 1, further comprising a heat-insulating layer (24), wherein the heat-insulating layer (24) is fixedly arranged at the outer side of the kiln body (1).

3. The tunnel kiln for manufacturing refractory heat-preservation bricks according to claim 2, further comprising two sets of heat insulation grooves (25) and two sets of heat insulation skirt boards (26), wherein the two sets of heat insulation grooves (25) are respectively and fixedly arranged at two sides of the bottom end of the roasting section (8), heat insulation materials are arranged in the two sets of heat insulation grooves (25), the top ends of the two sets of heat insulation skirt boards (26) are respectively and fixedly connected with two sides of the top end of the kiln car (3), and plugs are arranged at the bottom ends of the two sets of heat insulation skirt boards (26), and the plugs are inserted into the heat insulation materials from the top ends of the two sets of heat insulation grooves (25) downwards.

4. The tunnel kiln for manufacturing the refractory heat-preservation bricks according to claim 3, further comprising heat insulation chutes (27) and heat insulation sliding plates (28), wherein the heat insulation chutes (27) are fixedly arranged at two sides of the middle end of the interior of the roasting section (8), one ends of the heat insulation sliding plates (28) are fixedly arranged at two sides of the middle end of the kiln car (3), and one ends of the heat insulation sliding plates (28) are slidably arranged in the heat insulation chutes (27).

5. The tunnel kiln for manufacturing insulating refractory bricks according to claim 4, further comprising a temperature sensor (29), wherein the temperature sensor (29) is fixedly arranged at the top end of the firing section (8).

6. The tunnel kiln for manufacturing the refractory insulating brick as claimed in claim 5, further comprising a flue gas valve (30), wherein the flue gas valve (30) is fixedly arranged at the middle end of the flue gas pipe.

7. The tunnel kiln for manufacturing refractory insulating bricks according to claim 6, further comprising a water inlet valve (31), wherein the water inlet valve (31) is fixedly arranged at the middle end of the two sets of water inlet pipes (15).

8. The tunnel kiln for manufacturing refractory insulating bricks according to claim 7, further comprising drain valves (32), wherein the drain valves (32) are fixedly arranged at the middle ends of the two groups of drain pipes (16).