CN211316997U

CN211316997U - Remove kiln crown tunnel cave with flue gas is reburning and waste heat utilization

Info

Publication number: CN211316997U
Application number: CN201922476501.8U
Authority: CN
Inventors: 徐厚林; 姬广庆; 卢松林; 林招喜
Original assignee: Huanggang Huayao Zhongyang Kiln Co ltd
Current assignee: Huanggang Huayao Zhongyang Kiln Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-21
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a remove kiln crown tunnel cave with flue gas is reburning and waste heat utilization, fixed kiln body includes kiln outer wall, kiln room and interior kiln wall, the middle part of kiln outer wall is provided with and takes out waste heat flue, takes out waste heat cigarette floodgate group, send hot flue and send hot cigarette floodgate group, arrange damp and discharge fume shared flue and arrange damp and discharge fume shared cigarette floodgate group, the advantage of tunnel cave, portable tunnel cave, wheel kiln is combined to this kiln, has the waste heat utilization system, can also reduce flue gas oxygen content and energy saving through the separation of cigarette heat, flue gas is reburning, the position of flue, fan is fixed simultaneously, conveniently takes the flue gas treatment measure, be favorable to the environmental protection up to standard; the movable type annular kiln has the advantages of being capable of moving through the kiln top, convenient to load and unload, high in mechanization degree, capable of reducing labor intensity of workers and improving working efficiency, good in heat preservation effect, rapid in cooling, easy to cool and take bricks, convenient to maintain and low in investment, and capable of replacing tunnel kilns and annular kiln production processes and reforming existing annular kilns and tunnel kilns.

Description

Remove kiln crown tunnel cave with flue gas is reburning and waste heat utilization

Technical Field

The utility model relates to a building materials technical field specifically is a remove kiln crown tunnel cave with flue gas is reburning and waste heat utilization.

Background

As is known, the tunnel kiln, the rail kiln and the annular kiln roasting process are the most common roasting kilns in the prior production of the baked bricks, the tunnel kiln process is used for producing, loading and discharging bricks outside the kiln, the automation degree is high, the labor intensity of workers is relatively low, the flue gas treatment is convenient because the positions of a flue and a fan are fixed, the annular kiln is improved in a plurality of benefits and is applied to a certain extent, but the tunnel kiln has large investment and long kiln building period because of the inherent structural characteristics; the production and maintenance costs are high, and the kiln car is in a high-temperature environment and needs to be made of special heat-resistant materials, so that the investment for kiln building is increased; in addition, moving parts (such as bearings, wheels and the like) on the kiln car are extremely easy to damage at high temperature, the maintenance and replacement period is very short, and a lot of production cost is increased; carry out blank dress kiln and finished product in-process of drawing out the kiln in the arch kiln way, the kiln way phenomenon of collapsing can appear, lead to the personal accident, when drawing out the kiln, the waste heat is difficult for giving off in the kiln, the adobe cooling needs the time longer, cooling efficiency is low, the unable recycle of waste heat moreover, flue gas oxygen content is high, it is not up to standard not enough to discharge, the annular kiln belongs to the kiln of eliminating simultaneously, for this reason, provides a removal kiln crown tunnel cave with flue gas reburning and waste heat utilization.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a remove kiln crown tunnel cave with flue gas is reburning and waste heat utilization to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a movable kiln top tunnel kiln with smoke reburning and waste heat utilization functions comprises a fixed kiln body, a reburning air feeder and a movable kiln top, wherein the fixed kiln body comprises an outer kiln wall body, a kiln chamber and an inner kiln wall, a waste heat exhaust flue, a waste heat exhaust smoke gate group, a heat exhaust flue, a heat exhaust smoke gate group, a damp-discharging smoke-discharging shared flue and a damp-discharging smoke gate group are arranged in the middle of the outer kiln wall body, an outer brick clamp brick machine rail, an outer blank stacking rail and a movable kiln top rail are arranged on the outer kiln wall body from outside to inside, a damp-discharging flue and a damp-discharging smoke gate group are arranged inside the inner kiln wall, and a movable kiln top rail, a sand sealing groove and a brick clamp inner rail are arranged on the upper portion of the inner kiln wall;

remove the kiln top including outer sand shrouding, kiln top steel construction, interior sand shrouding, transmission system and kiln top, transmission system sets up in one side that the kiln top steel construction is close to the initiative walking wheel, the kiln top steel construction is installed between outer sand shrouding and interior sand shrouding, kiln top steel construction both sides are all rotated and are connected with the initiative walking wheel, kiln top steel construction both sides are all rotated and are connected with the location walking wheelset and the follow-up wheelset that the equidistance was arranged, the hole of throwing coal has been seted up at the top of kiln top, the top of kiln top is provided with the reburning air supply flue wall body, reburning air supply hole, reburning air supply branch flue and reburn.

As further preferable in the present technical solution: the waste heat extracting flue, the heat delivering flue and the moisture and smoke discharging shared flue are communicated with an outer support flue group, the outer support flue group is communicated with the kiln chamber, the moisture discharging flue is communicated with an inner support flue group, and the inner support flue group is communicated with the kiln chamber.

As further preferable in the present technical solution: and the outer sand sealing plate, the inner sand sealing plate and the sand sealing groove are arranged in the movable kiln top, the outer kiln wall body and the inner kiln wall.

As further preferable in the present technical solution: the air outlet end of the reburning air feeder is respectively communicated with the smoke through the reburning smoke exhaust flue, the reburning smoke branch flue and the reburning smoke exhaust hole.

As further preferable in the present technical solution: the waste heat extracting flue, the heat feeding flue and the damp and smoke discharging shared flue are respectively communicated with the kiln chamber through a waste heat extracting smoke gate set, a heat feeding smoke gate set, a damp and smoke discharging shared smoke gate set and a damp and smoke discharging gate set.

As further preferable in the present technical solution: the exhaust heat smoke gate set, the heat supply smoke gate set, the damp and smoke exhaust shared smoke gate set and the damp exhaust smoke gate set are composed of a plurality of independent gates.

As further preferable in the present technical solution: the outside of the shared flue of discharging fume of the exhaust fume gate group and the exhaust fume is provided with a fume adjusting valve, the exhaust fume shared flue of the exhaust fume gate group and the exhaust fume shared flue of the exhaust fume are communicated with the exhaust fume flue through the fume adjusting valve, the exhaust fume flue is communicated with a moisture exhausting fan, and the movable kiln top is provided with a fire channel.

Compared with the prior art, the beneficial effects of the utility model are that: the kiln combines the advantages of a tunnel kiln, a movable tunnel kiln and a ring kiln, has a waste heat utilization system, can reduce the oxygen content of flue gas and save energy through smoke-heat separation and flue gas reburning, and is convenient to adopt flue gas treatment measures due to fixed positions of a flue and a fan, thereby being beneficial to environmental protection and reaching the standard; the movable type annular kiln has the advantages of being capable of moving through the kiln top, convenient to load and unload, high in mechanization degree, capable of reducing labor intensity of workers and improving working efficiency, good in heat preservation effect, rapid in cooling, easy to cool and take bricks, convenient to maintain and low in investment, and capable of replacing tunnel kilns and annular kiln production processes and reforming existing annular kilns and tunnel kilns.

Drawings

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

FIG. 2 is a schematic structural view of the movable kiln top of the present invention;

FIG. 3 is a schematic view of the structure of the section B-B of the movable kiln top of the present invention;

FIG. 4 is a schematic view of the A-A cross section structure of the movable kiln top of the present invention;

fig. 5 is a schematic diagram of the system of the present invention.

In the figure: 101. fixing a kiln body; 1. an outer wall body of the kiln; 2. a waste heat flue is extracted; 3. a waste heat smoke exhaust gate group; 4. an outer rail of the brick clamping machine; 5. a hot smoke delivery gate set; 6. an outer support flue group; 7. a heat delivery flue; 8. setting an outer track of the blank machine; 9. moving the kiln top; 10. the damp and smoke exhaust share the smoke gate group; 11. the moisture and smoke discharging share a flue; 12. moving the kiln top track; 13. sand sealing the groove; 14. a kiln chamber; 15. an inner kiln wall; 16. an inner support flue group; 17. a moisture-removing smoke gate set; 18. a moisture exhaust flue; 19. an inner rail of the brick clamping machine; 20. a moisture exhausting fan; 23. a flue gas regulating valve; 25. a fire channel; 901. positioning a walking wheel set; 902. an outer sand seal plate; 903. reburning the air supply hole; 904. a kiln top steel structure; 905. reburning the wall of the air supply flue; 906. reburning the air supply branch flue; 907. an inner sand seal plate; 908. a follow-up wheel set; 909. driving travelling wheels; 910. a transmission system; 911. the kiln top; 912. coal feeding holes; 913. reburning the air supply main flue; 914. re-burning the air feeder; 915. re-burning the smoke exhaust flue; 916. re-burning the smoke branch flue; 917. re-burning the smoke exhaust holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a movable kiln top tunnel kiln with smoke reburning and waste heat utilization comprises a fixed kiln body 101, a reburning air feeder 914 and a movable kiln top 9, wherein the fixed kiln body 101 comprises a kiln outer wall body 1, a kiln chamber 14 and an inner kiln wall 15, a waste heat exhaust flue 2, a waste heat exhaust smoke gate group 3, a heat delivery flue 7, a heat delivery smoke gate group 5, a tide and smoke exhaust shared flue 11 and a tide and smoke exhaust shared smoke gate group 10 are arranged in the middle of the kiln outer wall body 1, a brick clamp outer rail 4, a brick stacking machine outer rail 8 and a movable kiln top rail 12 are arranged on the kiln outer wall body 1 from outside to inside, a tide exhaust flue 18 and a tide exhaust smoke gate group 17 are arranged inside the inner kiln wall 15, a movable kiln top rail 12, a sand sealing groove 13 and a brick clamp inner rail 19 are arranged on the upper portion of the inner kiln wall 15, the tide exhaust flue 2, the heat delivery flue 7, the tide and smoke exhaust shared flue 11, the tide exhaust smoke exhaust 18 and the tide exhaust fan 20 are all fixed, only the kiln top 9 is moved, and the wheel kiln production process of drying, preheating, roasting and cooling is dynamically realized by blowing or exhausting air through opening and closing of different position gates of the exhaust heat smoke gate group 3, the heat delivery smoke gate group 5, the moisture and smoke exhaust shared smoke gate group 10 and the moisture exhaust smoke gate group 17 in cooperation with the movement of the kiln top 9;

the movable kiln top 9 comprises an outer sand sealing plate 902, a kiln top steel structure 904, an inner sand sealing plate 907, a transmission system 910 and a kiln top 911, the transmission system 910 is arranged on one side of the kiln top steel structure 904 close to a driving travelling wheel 909, the kiln top steel structure 904 is arranged between the outer sand sealing plate 902 and the inner sand sealing plate 907, the two sides of the kiln top steel structure 904 are rotatably connected with the driving travelling wheel 909, the two sides of the kiln top steel structure 904 are rotatably connected with a positioning travelling wheel group 901 and a follow-up wheel group 908 which are arranged at equal intervals, a coal feeding hole 912 is formed in the top of the kiln top 911, and a reburning air supply flue wall 905, a reburning air supply hole 903, a reburning branch flue 906 and a reburning air supply main flue.

In this embodiment, specifically: the waste heat extracting flue 2, the heat delivering flue 7 and the shared flue 11 for moisture and smoke exhaust are communicated with an outer support flue group 6, the outer support flue group 6 is communicated with a kiln chamber 14, the moisture exhausting flue 18 is communicated with an inner support flue group 16, the inner support flue group 16 is communicated with the kiln chamber 14, and through the arrangement, the waste heat extracting flue 2, the heat delivering flue 7 and the shared flue 11 for moisture and smoke exhaust in the kiln outer wall body 1 are arranged in parallel and are communicated with the kiln chamber 14 through the outer support flue group 6.

In this embodiment, specifically: the outer sand sealing plate 902, the inner sand sealing plate 907 and the sand sealing groove 13 are all arranged inside the movable kiln top 9, the outer kiln wall 1 and the inner kiln wall 15.

In this embodiment, specifically: the air outlet end of the reburning air feeder 914 is respectively communicated with a reburning air exhaust flue 915, a reburning smoke branch flue 916 and a reburning smoke exhaust hole 917, and the length and the structural size of the cooling, roasting, preheating and drying section of the annular kiln are determined through the positions of the reburning air supply hole 903 and the reburning smoke exhaust hole 917.

In this embodiment, specifically: the waste heat extracting flue 2, the heat supplying flue 7 and the damp and smoke discharging shared flue 11 are respectively communicated with the kiln chamber 14 through the waste heat extracting smoke gate group 3, the heat supplying smoke gate group 5, the damp and smoke discharging shared smoke gate group 10 and the damp and smoke discharging gate group 17, and through the arrangement, the fixed kiln body 101 realizes a waste heat utilization process and a dry brick blank through the waste heat extracting smoke gate group 3, the heat supplying smoke gate group 5, the damp and smoke discharging shared smoke gate group 10 and the damp and smoke discharging shared flue 11 and through different position changes of the waste heat extracting flue 2, the heat supplying flue 7 and the damp and smoke discharging shared flue 11.

In this embodiment, specifically: the exhaust heat smoke gate group 3, the heat supply smoke gate group 5, the damp and smoke exhaust shared smoke gate group 10 and the damp exhaust smoke gate group 17 are composed of a plurality of independent gates.

In this embodiment, specifically: the outer sides of the moisture and smoke discharging and discharging shared smoke gate group 10 and the moisture and smoke discharging shared flue 11 are both provided with a smoke regulating valve 23, the moisture and smoke discharging shared smoke gate group 10 and the moisture and smoke discharging shared flue 11 are communicated with a moisture discharging flue 18 through the smoke regulating valve 23, the moisture discharging flue 18 is communicated with a moisture discharging fan 20, the movable kiln top 9 is provided with a fire passage 25, the moisture discharged and dried in the normal condition of the moisture and smoke discharging shared smoke gate group 10 and the moisture and smoke discharging shared flue 11 is delivered to the moisture discharging flue 18 through the smoke regulating valve 23 and delivered to the desulfurizing tower through the moisture discharging fan 20 for smoke treatment, when the roasting state needs to be adjusted, the position of the moisture-removing and smoke-discharging shared smoke gate group 10 can be adjusted, smoke is introduced into the moisture-removing flue 18, the two kiln-top movable tunnel kilns with the same structure and smoke-heat separation and smoke-gas reburning are symmetrically arranged and communicated through the fire channel 25, and all functions of the annular kiln can be realized.

When the device is used, the transmission system 910 drives the driving travelling wheel 909 fixed on the kiln top steel structure 904 between the outer sand sealing plate 902 and the inner sand sealing plate 907 to rotate, the movement of the kiln top 911 is achieved through the rotation of the positioning travelling wheel set 901 and the follow-up wheel set 908, the flue gas is sent to the preheating section through the reburning smoke exhaust channel 915, the reburning smoke exhaust branch flue 916 and the reburning smoke exhaust hole 917 through the reburning air feeder 914, the damp-exhausting smoke-exhausting shared flue 10 and the damp-exhausting smoke-exhausting shared flue 11 are normally discharged dry moisture, the dry moisture is communicated with the damp-exhausting flue 18 through the smoke adjusting valve 23 and is sent to the desulfurizing tower through the damp-exhausting fan 20 for treating, and when the roasting state needs to be adjusted, the position of the damp-exhausting smoke exhaust shared flue 10 can be adjusted to introduce the flue gas into the damp-exhausting flue 18, so that the flue gas does not enter the drying process and is discharged moisture together, the tunnel, The movable tunnel kiln and the annular kiln have the advantages of improving the working efficiency, having good heat preservation effect, quick cooling, easy temperature reduction and brick taking, convenient maintenance and less investment, and can replace the production process of the tunnel kiln and the annular kiln and the transformation of the existing annular kiln and the tunnel kiln.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a remove kiln crown tunnel cave with flue gas is reburning and waste heat utilization, includes fixed kiln body (101), reburning forced draught blower (914) and removal kiln crown (9), its characterized in that: the fixed kiln body (101) comprises an outer kiln wall body (1), a kiln chamber (14) and an inner kiln wall (15), wherein a waste heat exhaust flue (2), a waste heat exhaust smoke gate group (3), a heat delivery flue (7), a heat delivery smoke gate group (5), a moisture and smoke exhaust shared flue (11) and a moisture and smoke exhaust shared smoke gate group (10) are arranged in the middle of the outer kiln wall body (1), a brick clamp brick machine outer rail (4), a setting machine outer rail (8) and a movable kiln top rail (12) are arranged on the outer kiln wall body (1) from outside to inside, a moisture exhaust flue (18) and a moisture exhaust smoke gate group (17) are arranged inside the inner kiln wall (15), and the upper part of the inner kiln wall (15) is provided with a movable kiln top rail (12), a sand sealing groove (13) and a brick clamp inner rail (19);

the movable kiln top (9) comprises an outer sand sealing plate (902), a kiln top steel structure (904), an inner sand sealing plate (907), a transmission system (910) and a kiln top (911), the transmission system (910) is arranged on one side of the kiln top steel structure (904) close to the driving travelling wheel (909), the kiln top steel structure (904) is arranged between the outer sand sealing plate (902) and the inner sand sealing plate (907), two sides of the kiln top steel structure (904) are rotatably connected with driving travelling wheels (909), the two sides of the kiln top steel structure (904) are rotatably connected with positioning travelling wheel sets (901) and follow-up wheel sets (908) which are arranged at equal intervals, the top of the kiln top (911) is provided with a coal feeding hole (912), and the top of the kiln top (911) is provided with a reburning air supply flue wall body (905), a reburning air supply hole (903), a reburning air supply branch flue (906) and a reburning air supply main flue (913).

2. The moving kiln top tunnel kiln with flue gas reburning and waste heat utilization functions as claimed in claim 1, wherein: the waste heat extracting flue (2), the heat delivering flue (7) and the moisture and smoke discharging shared flue (11) are communicated with an outer support flue group (6), the outer support flue group (6) is communicated with the kiln chamber (14), the moisture discharging flue (18) is communicated with an inner support flue group (16), and the inner support flue group (16) is communicated with the kiln chamber (14).

3. The moving kiln top tunnel kiln with flue gas reburning and waste heat utilization functions as claimed in claim 1, wherein: the outer sand sealing plate (902), the inner sand sealing plate (907) and the sand sealing groove (13) are arranged inside the movable kiln top (9), the outer kiln wall body (1) and the inner kiln wall (15).

4. The moving kiln top tunnel kiln with flue gas reburning and waste heat utilization functions as claimed in claim 1, wherein: the air outlet end of the reburning air feeder (914) is respectively communicated with the reburning exhaust flue (915), the reburning exhaust branch flue (916) and the reburning exhaust hole (917).

5. The moving kiln top tunnel kiln with flue gas reburning and waste heat utilization functions as claimed in claim 1, wherein: the waste heat exhaust flue (2), the heat delivery flue (7) and the damp and smoke exhaust shared flue (11) are respectively communicated with the kiln chamber (14) through a waste heat exhaust smoke gate group (3), a heat delivery smoke gate group (5), a damp and smoke exhaust shared smoke gate group (10) and a damp exhaust smoke gate group (17).

6. The moving kiln top tunnel kiln with flue gas reburning and waste heat utilization functions as claimed in claim 1, wherein: the exhaust heat smoke gate set (3), the heat delivery smoke gate set (5), the moisture discharge smoke sharing smoke gate set (10) and the moisture discharge smoke gate set (17) are composed of a plurality of independent gates.

7. The moving kiln top tunnel kiln with flue gas reburning and waste heat utilization functions as claimed in claim 1, wherein: arrange the tide and discharge fume sharing cigarette floodgate group (10) and arrange the outside of tide and discharge fume sharing flue (11) and all be provided with flue gas control valve (23), it discharges fume sharing cigarette floodgate group (10) and arranges the tide and discharge fume sharing flue (11) and is linked together through flue gas control valve (23) and row tide flue (18), row tide flue (18) intercommunication has row tide fan (20), remove kiln top (9) and install flue (25).