CN218452593U

CN218452593U - Novel bag cover

Info

Publication number: CN218452593U
Application number: CN202222783278.3U
Authority: CN
Inventors: 张会强; 王勇; 高健; 刘凯
Original assignee: Voloda Technology Co ltd
Current assignee: Sichuan Woyouda Technology Co.,Ltd.
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-02-07
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a novel ladle cover, which comprises a ladle cover shell, wherein a gas collection cavity is arranged on the ladle cover shell, an annular mounting plate is fixedly arranged at the bottom of the ladle cover shell, a heat exchange box is fixedly arranged at the top of the ladle cover shell, and a heat exchange mechanism for utilizing waste heat of high-temperature waste gas in a roaster is arranged in the heat exchange box; the heat exchange mechanism comprises an annular exhaust pipe fixedly arranged in the heat exchange box, a plurality of baffles are fixedly arranged in the annular exhaust pipe, and two suction pipes are arranged at the bottom of the annular exhaust pipe in a penetrating way, so that the utility model relates to the technical field of roaster covering; this new-type be built by contract can carry out the heat exchange with combustion air with the high temperature waste gas in the roaster through the heat transfer mechanism that sets up for combustion air can carry into in the roaster after rising temperature, thereby can effectively reduce the inside heat energy loss of roaster.

Description

Novel bag cover

Technical Field

The utility model relates to a roaster be built by contract technical field specifically is a new-type be built by contract.

Background

The ladle roaster is a device for roasting a ladle which is generally roasted after being newly built and before containing molten steel, and is also called as a ladle roaster, the ladle used in the steelmaking process needs to be roasted and preheated to more than 1000 ℃, the traditional preheating mode is that flame generated by a conventional burner is horizontally or vertically blown into the ladle to be roasted, smoke is discharged from the edge of a heat-insulating cover, and more heat energy is wasted.

The publication number is CN216176590U discloses a ladle cover of horizontal ladle roaster, including the ladle cover baffle, the ladle cover skirtboard of fixed ring type structure on the ladle cover baffle, ladle cover skirtboard border is equipped with the skirtboard fixed plate, ladle cover baffle middle part is equipped with the fire spout pipe, the fire spout pipe outside is equipped with fire-resistant cotton, fire-resistant cotton passes through high temperature resistant steel nail a fixed connection in the ladle cover baffle, is located the fire spout pipe below fixedly connected with fire-resistant interlayer, fire-resistant interlayer fixed connection is in the ladle cover baffle, but the device has following not enough, when using the ladle cover to insulate against heat the ladle roaster, can discharge the high temperature waste gas in the roaster to lead to running off a large amount of steam, waste heat.

Therefore, the utility model provides a novel ladle cover to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a new-type be built by contract has solved above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a novel ladle cover comprises a ladle cover shell, wherein a gas collecting cavity is formed in the ladle cover shell, an annular mounting plate is fixedly mounted at the bottom of the ladle cover shell, a heat exchange box is fixedly mounted at the top of the ladle cover shell, and a heat exchange mechanism used for utilizing waste heat of high-temperature waste gas in a roaster is arranged in the heat exchange box;

the heat transfer mechanism includes the annular blast pipe of fixed mounting in the heat transfer incasement, fixed mounting has a plurality of baffles in the annular blast pipe, two straws are run through to install in the bottom of annular blast pipe, the bottom of straw runs through the be built by contract casing, two calandrias are run through and install at the top of annular blast pipe, the top of calandria extends to outside the heat transfer incasement, fixed mounting has annular intake pipe in the heat transfer incasement, fixed mounting has four baffles in the annular intake pipe, the top inner wall of annular intake pipe runs through and installs two intake pipes, the top of intake pipe extends to outside the heat transfer incasement, the bottom of annular intake pipe runs through and installs two gas-supply pipes, the bottom of gas-supply pipe extends to the gas collection intracavity, the last fixed cover of annular blast pipe is equipped with four spiral pipes, the both ends of spiral pipe all extend to in the annular intake pipe.

Preferably, fixed mounting has the annular air guide plate in the heat transfer case, four openings have been seted up on the annular air guide plate, the bottom inner wall of heat transfer case runs through and installs four connecting pipes, the bottom of connecting pipe extends to the gas collection intracavity, leads the gas through annular air guide plate, opening and the convenient to use of connecting pipe collocation that sets up, conveniently contacts with annular blast pipe.

Preferably, the top inner wall of heat transfer case runs through and installs the gas pipe, the outer wall of gas pipe runs through and installs four air ducts, the annular air guide plate is run through to the one end of air duct, and gas is evenly carried to the heat transfer incasement through the gas pipe that sets up and air duct collocation convenient to use.

Preferably, the gas collection intracavity fixed mounting has the annular division board, the top inner wall fixed mounting in gas collection chamber has the gas nozzle, the bottom of gas nozzle extends to outside the package lid casing, two gas pockets have been seted up on the gas nozzle, and annular division board, gas nozzle and the gas pocket collocation convenient to use through setting up are carried the gas.

Preferably, the top inner wall fixed mounting of gas nozzle has combustion-supporting air nozzle, combustion-supporting air nozzle's bottom extends outside the gas nozzle, combustion-supporting air nozzle's outer wall runs through and installs two long tubes, the annular division board is run through to the one end of long tube, through combustion-supporting air nozzle and the long tube collocation convenient to use transport combustion-supporting air who sets up.

Preferably, the outer wall fixed mounting of be built by contract casing has a linking bridge, the last fixed mounting of linking bridge has the connection end, matches convenient to use through the linking bridge that sets up and connection end and installs the be built by contract casing.

Preferably, the inner wall fixed mounting of annular mounting panel has the annular packing pad, the annular packing pad adopts the preparation of high temperature resistant rubber material to form, and the annular packing pad through setting up can avoid steam to seal from the gap of being connected of roaster and annular mounting panel.

Preferably, the bottom fixed mounting of be built by contract casing has a plurality of radiating fin, radiating fin adopts the preparation of pure copper material to form, can absorb the inside heat of roaster in be built by contract casing bottom through the radiating fin that sets up, conveniently carries out the heat transfer with combustion air and the gas of gas collection intracavity.

Advantageous effects

The utility model provides a new-type be built by contract. Compared with the prior art, the method has the following beneficial effects:

(1) This new-type be built by contract can carry out the heat exchange with combustion air with the high temperature waste gas in the roaster through the heat transfer mechanism that sets up for combustion air can carry into in the roaster after rising temperature, thereby can effectively reduce the inside heat energy loss of roaster.

(2) This new-type be built by contract, annular blast pipe, baffle, annular intake pipe, baffle and the spiral pipe collocation through setting up use can make high temperature waste gas and low temperature combustion air obtain abundant contact time and area of contact to can improve the heat transfer effect.

Drawings

Fig. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic view of a partial structure of the heat exchange mechanism of the present invention;

FIG. 4 is a schematic view of the internal installation structure of the middle cover casing of the present invention;

fig. 5 is a schematic view of the partial bottom structure of the present invention;

fig. 6 is a schematic view of the internal installation structure of the middle ring-shaped exhaust pipe of the present invention.

In the figure: 1. covering the shell; 2. a gas collection cavity; 3. an annular mounting plate; 4. a heat exchange box; 5. an annular exhaust pipe; 6. a baffle plate; 7. a straw; 8. a pipe arranging step; 9. an annular air inlet pipe; 10. a partition plate; 11. an air inlet pipe; 12. a gas delivery pipe; 13. a spiral tube; 14. an annular air guide plate; 15. an opening; 16. a connecting pipe; 17. a gas pipe; 18. an air duct; 19. an annular partition plate; 20. a gas nozzle; 21. air holes; 22. a combustion air nozzle; 23. a long tube; 24. connecting a bracket; 25. an annular seal; 26. and (4) radiating fins.

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 efforts all belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 2, 3 and 5, a novel ladle cover comprises a ladle cover shell 1, wherein a gas collection cavity 2 is formed in the ladle cover shell 1, an annular mounting plate 3 is fixedly mounted at the bottom of the ladle cover shell 1, a heat exchange box 4 is fixedly mounted at the top of the ladle cover shell 1, and a heat exchange mechanism for utilizing waste heat of high-temperature waste gas in a roaster is arranged in the heat exchange box 4;

heat transfer mechanism includes annular blast pipe 5 of fixed mounting in heat transfer case 4, fixed mounting has a plurality of baffles 6 in annular blast pipe 5, the bottom of annular blast pipe 5 is run through and is installed two straws 7, the bottom of straw 7 is run through and is covered casing 1, the top of annular blast pipe 5 is run through and is installed two calandrias 8, calandria 8's top extends to outside the heat transfer case 4, fixed mounting has annular intake pipe 9 in the heat transfer case 4, fixed mounting has four baffles 10 in the annular intake pipe 9, the top inner wall of annular intake pipe 9 is run through and is installed two intake pipe 11, the top of intake pipe 11 extends to outside the heat transfer case 4, the bottom of annular intake pipe 9 is run through and is installed two gas-supply pipes 12, the bottom of gas-supply pipe 12 extends to in the gas collecting chamber 2, fixed cover is equipped with four spiral pipes 13 on the annular blast pipe 5, the both ends of spiral pipe 13 all extend to in the annular intake pipe 9.

Example two:

referring to fig. 1 to 5, the present embodiment provides a technical solution based on the first embodiment: an annular air guide plate 14 is fixedly arranged in the heat exchange box 4, four openings 15 are formed in the annular air guide plate 14, four connecting pipes 16 penetrate through the inner wall of the bottom of the heat exchange box 4, and the bottom ends of the connecting pipes 16 extend into the gas collecting cavity 2;

a gas pipe 17 penetrates through the inner wall of the top of the heat exchange box 4, four gas guide pipes 18 penetrate through the outer wall of the gas pipe 17, and one end of each gas guide pipe 18 penetrates through the annular gas guide plate 14;

an annular partition plate 19 is fixedly arranged in the gas collection cavity 2, a gas nozzle 20 is fixedly arranged on the inner wall of the top of the gas collection cavity 2, the bottom end of the gas nozzle 20 extends out of the ladle cover shell 1, and two air holes 21 are formed in the gas nozzle 20;

a combustion-supporting air nozzle 22 is fixedly installed on the inner wall of the top of the gas nozzle 20, the bottom end of the combustion-supporting air nozzle 22 extends out of the gas nozzle 20, two long pipes 23 penetrate through the outer wall of the combustion-supporting air nozzle 22, and one end of each long pipe 23 penetrates through the annular partition plate 19;

the outer wall of the bag cover shell 1 is fixedly provided with a connecting bracket 24, and the connecting bracket 24 is fixedly provided with a connecting end;

an annular sealing gasket 25 is fixedly arranged on the inner wall of the annular mounting plate 3, and the annular sealing gasket 25 is made of high-temperature-resistant rubber;

a plurality of heat dissipation fins 26 are fixedly mounted at the bottom of the covering shell 1, and the heat dissipation fins 26 are made of pure copper.

And those not described in detail in this specification are well within the skill of the art.

During operation, at first, smoke exhaust fan intercommunication two calandrias 8 inhale to annular blast pipe 5 inside, make annular blast pipe 5 can inhale to roaster inside through straw 7, inhale high temperature waste gas in annular blast pipe 5, then discharge from calandria 8 after passing through baffle 6, communicate combustion air pump and two intake pipes 11 simultaneously, to the inside gas transmission of annular intake pipe 9, then contact with annular blast pipe 5 through spiral pipe 13, make combustion air can with the heat transfer of high temperature waste gas, enter into gas collection chamber 2 through gas-supply pipe 12 after the circulation, simultaneously with the gas through gas pipe 17 input in four air ducts 18, make it fill heat transfer case 4 after and fully contact with annular blast pipe 5 and carry out the heat transfer, then enter into gas collection chamber 2 through opening 15 and connecting pipe 16, combustion air in the gas collection chamber 2 enters into combustion air nozzle 22 through long tube 23 and spouts, the gas enters into gas nozzle 20 through gas pocket 21 and spouts, enter into roaster inside.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A novel bag cover comprises a bag cover shell (1), and is characterized in that: the ladle cover comprises a ladle cover shell (1), a gas collecting cavity (2) is formed in the ladle cover shell (1), an annular mounting plate (3) is fixedly mounted at the bottom of the ladle cover shell (1), a heat exchange box (4) is fixedly mounted at the top of the ladle cover shell (1), and a heat exchange mechanism for utilizing waste heat of high-temperature waste gas in a roaster is arranged in the heat exchange box (4);

heat transfer mechanism includes annular blast pipe (5) of fixed mounting in heat transfer case (4), fixed mounting has a plurality of baffles (6) in annular blast pipe (5), the bottom of annular blast pipe (5) is run through and is installed two straw (7), the bottom of straw (7) is run through be built by contract casing (1), the top of annular blast pipe (5) is run through and is installed two calandrias (8), the top of calandria (8) extends to outside heat transfer case (4), fixed mounting has annular intake pipe (9) in heat transfer case (4), fixed mounting has four baffles (10) in annular intake pipe (9), the top inner wall of annular intake pipe (9) runs through and installs two intake pipe (11), the top of intake pipe (11) extends to outside heat transfer case (4), the bottom of annular intake pipe (9) is run through and is installed two spiral pipe (12), the bottom of intake pipe (12) extends to in gas collecting chamber (2), be equipped with four spiral pipe (13) on annular blast pipe (5), the both ends of spiral pipe (13) all extend to in annular gas-supply pipe (9).

2. A new cover according to claim 1, characterised in that: the gas collecting device is characterized in that an annular gas guide plate (14) is fixedly arranged in the heat exchange box (4), four openings (15) are formed in the annular gas guide plate (14), four connecting pipes (16) are installed on the inner wall of the bottom of the heat exchange box (4) in a penetrating mode, and the bottom ends of the connecting pipes (16) extend into the gas collecting cavity (2).

3. A new cover according to claim 2, characterized in that: the top inner wall of heat exchange box (4) runs through and installs gas pipe (17), the outer wall of gas pipe (17) runs through and installs four air duct (18), annular air guide plate (14) are run through to the one end of air duct (18).

4. A new cover according to claim 1, characterised in that: the gas collecting cavity is characterized in that an annular partition plate (19) is fixedly mounted in the gas collecting cavity (2), a gas nozzle (20) is fixedly mounted on the inner wall of the top of the gas collecting cavity (2), the bottom end of the gas nozzle (20) extends to the outside of the ladle cover shell (1), and two gas holes (21) are formed in the gas nozzle (20).

5. A new-type bag cover according to claim 4, characterized in that: the top inner wall fixed mounting of gas nozzle (20) has combustion-supporting air nozzle (22), outside the bottom of combustion-supporting air nozzle (22) extended to gas nozzle (20), the outer wall of combustion-supporting air nozzle (22) runs through and installs two long tubes (23), annular division board (19) is run through to the one end of long tube (23).

6. A new cover according to claim 1, characterised in that: the outer wall fixed mounting of be built by contract casing (1) has linking bridge (24), fixed mounting has the connection end on linking bridge (24).

7. A new cover according to claim 1, characterised in that: the inner wall fixed mounting of annular mounting panel (3) has annular packing pad (25), annular packing pad (25) adopt the preparation of high temperature resistant rubber material to form.

8. A new cover according to claim 1, characterised in that: the bottom fixed mounting of be built by contract casing (1) has a plurality of radiating fin (26), radiating fin (26) adopt pure copper material preparation to form.