CN211261802U

CN211261802U - Be used for cement kiln heat preservation mechanism

Info

Publication number: CN211261802U
Application number: CN201921669566.8U
Authority: CN
Inventors: 武向阳
Original assignee: Tianjin Fangyuan Lyvzhou New Material Technology Co ltd
Current assignee: Tianjin Fangyuan Lyvzhou New Material Technology Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-08-14
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a be used for cement kiln heat preservation mechanism, including furnace body and heat-retaining mechanism, be provided with thermal-insulated mechanism on the inside wall of furnace body, thermal-insulated mechanism comprises calcium silicate heat insulation layer, aerogel layer, ceramic insulation board and pearlite layer, be provided with the calcium silicate heat insulation layer on the inside wall of furnace body, be provided with the aerogel layer on the inside wall of calcium silicate heat insulation layer, be provided with ceramic insulation board on the inside wall of aerogel layer, be provided with the pearlite layer on ceramic insulation board's the inside wall, heat-retaining mechanism sets up the both sides at the furnace body, heat-retaining mechanism comprises first heat pipe, first heat storage case, first heat extraction pipe, first reflux pipe, second heat storage case, second heat extraction pipe, second reflux pipe, heat extraction pipe and foamy copper. The utility model discloses simple structure, reasonable in design can prevent that the heat from running off, can circulate the heat and store, utilizes the waste heat to preheat, improves thermal utilization ratio.

Description

Be used for cement kiln heat preservation mechanism

Technical Field

The utility model relates to a cement kiln equipment technical field specifically is a be used for cement kiln heat preservation mechanism.

Background

The production process of silicate cement is representative in cement production, limestone and clay are used as main raw materials, raw materials are prepared through crushing, proportioning and grinding, then the raw materials are fed into a cement kiln to be calcined into clinker, and the clinker is ground by adding a proper amount of gypsum (mixed materials or additives are added sometimes).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for cement kiln heat preservation mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a heat preservation mechanism for a cement kiln comprises a kiln body and a heat storage mechanism, wherein the inner side wall of the kiln body is provided with the heat insulation mechanism, the heat insulation mechanism consists of a calcium silicate heat insulation layer, an aerogel layer, a ceramic heat preservation plate and a perlite layer, the inner side wall of the kiln body is provided with the calcium silicate heat insulation layer, the inner side wall of the calcium silicate heat insulation layer is provided with the aerogel layer, the inner side wall of the aerogel layer is provided with the ceramic heat preservation plate, the perlite layer is arranged on the inner side wall of the ceramic heat preservation plate, the heat storage mechanism is arranged on two sides of the kiln body, the heat storage mechanism consists of a first heat conduction pipe, a first heat storage box, a first heat discharge pipe, a first return pipe, a second heat conduction pipe, a second heat storage box, a second heat discharge pipe, a second return pipe, a, all be provided with the air pump on the first heat pipe and on the second heat pipe, the other end of first heat pipe and second heat pipe is provided with first heat storage box and second heat storage box, first heat pipe and second heat pipe are provided with first heat extraction pipe and second heat extraction pipe respectively in first heat storage box and second heat storage box inside, first heat pipe and second heat pipe all are provided with the heat storage pipe in first heat storage box and second heat storage box inside, the lower extreme of first heat storage box and second heat storage box is provided with first return pipe and second heat pipe respectively, first return pipe and second heat pipe are connected with the heat storage pipe, the other end of first return pipe and second heat pipe all is connected with the furnace body, first heat storage box and second heat storage box inside all is provided with the foamy copper.

Preferably, both sides of furnace body all are provided with solid fixed ring, gu fixed ring sets up on first heat storage tank and second heat storage tank.

Preferably, the first heat conduction pipe and the second heat conduction pipe are both provided with a heat absorption pipe inside the furnace body, and the heat absorption pipes are arranged on the inner side wall of the perlite layer.

Preferably, the first heat discharging pipe and the second heat discharging pipe are provided with sealing covers at the upper ends of the first heat storage tank and the second heat storage tank.

Preferably, the heat storage pipe is provided in a spiral shape.

Preferably, the copper foam is arranged in a honeycomb briquette shape.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with heat-retaining mechanism, heat-retaining mechanism sets up the both sides at the furnace body, heat-retaining mechanism comprises first heat pipe, first heat storage box, first heat extraction pipe, first back flow pipe, second heat storage box, second heat extraction pipe, second back flow pipe, heat storage pipe and foamy copper, through the effect of heat-retaining mechanism, can be with the heat of flowing on leading-in again to the lower extreme of furnace body and store, preheat when conveniently heating next time, improve thermal utilization efficiency, can discharge the heat in the furnace body fast simultaneously, convenient cooling;

2. the utility model discloses a be provided with heat-proof mechanism on the inside wall of furnace body, heat-proof mechanism comprises calcium silicate heat insulation layer, aerogel layer, ceramic insulation board and pearlite layer, through heat-proof mechanism's effect, can prevent thermal loss effectively, guarantees the thermal stability in furnace body inside, reduces the consumption of the energy.

Drawings

FIG. 1 is a front view of the whole heat preservation mechanism for cement kiln of the present invention;

FIG. 2 is a schematic view of the internal structure of the furnace body of the heat preservation mechanism for the cement kiln of the present invention;

fig. 3 is the utility model relates to a be used for first heat-retaining case internal structure schematic diagram of cement kiln heat preservation mechanism.

In the figure: 1. a furnace body; 2. a heat storage mechanism; 21. a first heat conductive pipe; 22. a first heat storage tank; 23. a first heat exhaust pipe; 24. a first return pipe; 25. a second heat conductive pipe; 26. a second heat storage tank; 27. a second heat discharge pipe; 28. a second return pipe; 29. a heat storage pipe; 201. foam copper; 3. a heat insulation mechanism; 31. a calcium silicate insulating layer; 32. an aerogel layer; 33. a ceramic insulation board; 34. perlite layers; 4. an air pump; 5. a fixing ring; 6. a heat absorbing tube; 7. and (7) sealing the cover.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a heat preservation mechanism for a cement kiln comprises a kiln body 1 and a heat storage mechanism 2, wherein the inner side wall of the kiln body 1 is provided with the heat insulation mechanism 3, the heat insulation mechanism 3 consists of a calcium silicate heat insulation layer 31, an aerogel layer 32, a ceramic heat insulation layer 33 and a perlite layer 34, the inner side wall of the kiln body 1 is provided with the calcium silicate heat insulation layer 31, the inner side wall of the calcium silicate heat insulation layer 31 is provided with the aerogel layer 32, the inner side wall of the aerogel layer 32 is provided with the ceramic heat insulation layer 33, the inner side wall of the ceramic heat insulation layer 33 is provided with the perlite layer 34, the heat storage mechanism 2 is arranged at two sides of the kiln body 1, the heat storage mechanism 2 consists of a first heat conduction pipe 21, a first heat storage box 22, a first heat discharge pipe 23, a first return pipe 24, a second heat conduction pipe 25, a second heat storage box 26, a second heat discharge pipe 27, a second return, the air pumps 4 are respectively installed on the first heat conduction pipe 21 and the second heat conduction pipe 25, the first heat storage tank 22 and the second heat storage tank 26 are welded at the other ends of the first heat conduction pipe 21 and the second heat conduction pipe 25, the first heat conduction pipe 21 and the second heat conduction pipe 25 are respectively connected to the first heat exhaust pipe 23 and the second heat exhaust pipe 27 in the first heat storage tank 22 and the second heat storage tank 26 in a sealing manner, the first heat conduction pipe 21 and the second heat conduction pipe 25 are respectively connected to the heat storage pipes 29 in the first heat storage tank 22 and the second heat storage tank 26 in a sealing manner, the first return pipe 24 and the second return pipe 28 are respectively welded at the lower ends of the first heat storage tank 22 and the second heat storage tank 26, the first return pipe 24 and the second return pipe 28 are connected to the heat storage pipes 29 in a sealing manner, the other ends of the first return pipe 24 and the second return pipe 28 are respectively connected to the furnace body 1, and the foamy copper 201.

The two sides of the furnace body 1 are welded with fixing rings 5, and the fixing rings 5 are sleeved on the first heat storage tank 22 and the second heat storage tank 26, so that the stability between the furnace body 1 and the first heat storage tank 22 and the stability between the furnace body and the second heat storage tank 26 are increased.

The first heat conduction pipe 21 and the second heat conduction pipe 25 are both connected with the heat absorption pipe 6 in the furnace body 1 in a sealing manner, and the heat absorption pipe 6 is installed on the inner side wall of the perlite layer 34, so that better heat absorption is facilitated.

The first heat exhaust pipe 23 and the second heat exhaust pipe 27 are both in threaded connection with the sealing cover 7 at the upper ends of the first heat storage tank 22 and the second heat storage tank 26, which is beneficial to controlling the exhaust of the first heat exhaust pipe 23 and the second heat exhaust pipe 27.

The heat storage pipe 29 is spirally arranged, which is beneficial to better heat conduction.

The foam copper 201 is arranged in a honeycomb briquette shape, which is beneficial to better storing heat.

The working principle is as follows: when the device is used, firstly, the air pump 4 can be started, the air pump 4 enables the first heat conduction pipe 21, the heat storage pipe 29 and the first return pipe 24 to circulate with the gas in the second heat conduction pipe 25, the heat storage pipe 29 and the second return pipe 28, the heat at the upper end of the furnace body 1 is guided into the first heat storage tank 22 and the second heat storage tank 26 to be stored through the copper foam 201, the heat is guided into the lower end of the furnace body 1 to flow to the upper end of the furnace body 1 again, meanwhile, the heat in the furnace body 1 can be discharged through the first heat discharge pipe 23 and the second heat discharge pipe 27, the heat flowing upwards can be guided into the lower end of the furnace body 1 again to be stored, the preheating is convenient to be carried out during the next heating, the utilization efficiency of the heat is improved, meanwhile, the heat in the furnace body 1 can be rapidly discharged, the temperature is convenient to be reduced, and the heat insulation layer 31 of calcium silicate, the, can effectively prevent the loss of heat, ensure the stability of the heat in the furnace body 1 and reduce the energy consumption.

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 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 be used for cement kiln heat preservation mechanism, includes furnace body (1) and heat-retaining mechanism (2), its characterized in that: be provided with heat-proof mechanism (3) on the inside wall of furnace body (1), heat-proof mechanism (3) comprises calcium silicate heat insulation layer (31), aerogel layer (32), ceramic insulation board (33) and pearlite layer (34), be provided with calcium silicate heat insulation layer (31) on the inside wall of furnace body (1), be provided with aerogel layer (32) on the inside wall of calcium silicate heat insulation layer (31), be provided with ceramic insulation board (33) on the inside wall of aerogel layer (32), be provided with pearlite layer (34) on the inside wall of ceramic insulation board (33), heat-retaining mechanism (2) sets up the both sides in furnace body (1), heat-retaining mechanism (2) are by first heat pipe (21), first heat storage case (22), first heat-discharging pipe (23), first return pipe (24), second heat pipe (25), second heat storage case (26), Second heat extraction pipe (27), second back flow pipe (28), heat storage pipe (29) and foamy copper (201) are formed, the both sides of furnace body (1) upper end are provided with first heat pipe (21) and second heat pipe (25) respectively, all be provided with air pump (4) on first heat pipe (21) and on second heat pipe (25), the other end of first heat pipe (21) and second heat pipe (25) is provided with first heat storage case (22) and second heat storage case (26), first heat pipe (21) and second heat pipe (25) are provided with first heat extraction pipe (23) and second heat extraction pipe (27) respectively in first heat storage case (22) and second heat storage case (26) inside, first heat pipe (21) and second heat pipe (25) all are provided with heat storage pipe (29) in first heat storage case (22) and second heat storage case (26), the lower extreme of first heat storage case (22) and second heat storage case (26) is provided with first back flow pipe (24) and second back flow pipe (28) respectively, first back flow pipe (24) and second back flow pipe (28) are connected with heat storage pipe (29), the other end of first back flow pipe (24) and second back flow pipe (28) all is connected with furnace body (1), inside foamy copper (201) that all is provided with of first heat storage case (22) and second heat storage case (26).

2. The heat insulating mechanism for the cement kiln as claimed in claim 1, wherein: the two sides of the furnace body (1) are provided with fixing rings (5), and the fixing rings (5) are arranged on the first heat storage tank (22) and the second heat storage tank (26).

3. The heat insulating mechanism for the cement kiln as claimed in claim 1, wherein: the first heat conduction pipe (21) and the second heat conduction pipe (25) are provided with heat absorption pipes (6) in the furnace body (1), and the heat absorption pipes (6) are arranged on the inner side wall of the perlite layer (34).

4. The heat insulating mechanism for the cement kiln as claimed in claim 1, wherein: the first heat discharging pipe (23) and the second heat discharging pipe (27) are provided with sealing covers (7) at the upper ends of the first heat storage tank (22) and the second heat storage tank (26).

5. The heat insulating mechanism for the cement kiln as claimed in claim 1, wherein: the heat storage pipe (29) is arranged in a spiral shape.

6. The heat insulating mechanism for the cement kiln as claimed in claim 1, wherein: the foam copper (201) is arranged in a honeycomb briquette shape.