CN218095994U

CN218095994U - Low-energy-consumption heat transfer shell structure for flue gas treatment

Info

Publication number: CN218095994U
Application number: CN202221673283.2U
Authority: CN
Inventors: 王勇
Original assignee: Kangsen Hangzhou Environmental Protection Co ltd
Current assignee: Kangsen Hangzhou Environmental Protection Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-12-20
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a low energy consumption heat transfer shell structure for flue gas treatment, aiming at reducing the heat transfer loss of high temperature smoke and fire to the shell, comprising a shell, wherein a tube plate structure is arranged in the inner cavity of the shell and divides the shell into two cavities of a high temperature section and a low temperature section; the tube sheet structure imbeds in the inlayer flame retardant coating that high temperature section is close to low temperature section one side, and including a plurality of tubular resistant firebricks that are axial distribution in the tube sheet structure, and tubular resistant firebrick fixes through the refractory mortar, and the aperture on the tubular resistant firebrick is not of uniform size. The utility model discloses a set up the tube sheet structure and divide into two regions of high temperature section and low temperature section with the casing, separately arrange, reach the effect that reduces calorific loss, firebrick reaches the effect of gathering together cigarette, fire through the tubular of guiding wall and different apertures simultaneously, makes things convenient for cigarette, fire from middle circulation, reduces the firing to the casing, reduces energy loss then, has higher social use value and application prospect.

Description

Low-energy-consumption heat transfer shell structure for flue gas treatment

Technical Field

The utility model relates to a flue gas treatment technical field, concretely relates to low energy consumption heat transfer shell structure that flue gas was handled.

Background

Burning furnace often can be used in the chemical industry field, fires burning furnace and can produce the high temperature flue gas at the in-process of burning, fires burning furnace, waste heat stove in the transmission course at the high temperature flue gas, on the heat transfer of high temperature flue gas leads to the casing high temperature, leads to the fact very big heat radiation, influences operational environment, also causes very big heat to run off simultaneously.

Therefore, a low-energy-consumption heat transfer shell structure for flue gas treatment is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve or at least alleviate the problem that exists among the prior art.

The utility model provides a low-energy-consumption heat transfer shell structure for flue gas treatment,

a low-energy-consumption heat transfer shell structure for flue gas treatment comprises a shell, wherein a tube plate structure is arranged in an inner cavity of the shell and divides the shell into a high-temperature section and a low-temperature section, the high-temperature section is connected with a combustion port, and the low-temperature section is connected with a smoke exhaust port;

an outer-layer fire-resistant layer, a middle-layer fire-resistant layer and an inner-layer fire-resistant layer are sequentially connected with the inner wall of the shell from outside to inside in the high-temperature section, and a fire-insulating layer is arranged on the side wall of the shell in the low-temperature section;

the tube plate structure is embedded in an inner layer fire-resistant layer at one side of the high-temperature section close to the low-temperature section, the tube plate structure comprises a plurality of axially distributed tube-type fire-resistant bricks, the tube-type fire-resistant bricks are fixed through fire-resistant clay, the diameters of the tube-type fire-resistant bricks are different, and the diameters of the tube-type fire-resistant bricks are inversely proportional to the distance from the center of the tube plate structure;

and a guide wall for guiding and gathering smoke and fire is also embedded in the inner wall of the inner-layer fire-resistant layer.

Optionally, the outer fire-resistant layer, the middle fire-resistant layer and the inner fire-resistant layer are all formed by stacking refractory bricks, and two adjacent layers of refractory bricks are stacked in a staggered manner.

Optionally, the fire barrier layer is formed by stacking fire barrier bricks on two sides, and the two fire barrier bricks are stacked in a staggered manner.

Optionally, a reinforcing layer in triangular distribution is further disposed on an inner wall between the high-temperature section and the low-temperature section.

Optionally, the reinforcing layer is made of two layers of trapezoidal refractory bricks, one layer of trapezoidal refractory bricks is embedded into the fire barrier, one side of the second layer of trapezoidal refractory bricks abuts against the side wall of the tube plate structure, and the other side of the second layer of trapezoidal refractory bricks is embedded into the fire barrier.

Optionally, the two connecting ends of the tube plate structure and the two sides of the trapezoid refractory bricks are provided with aluminum silicate fiber felts.

The utility model discloses mainly possess following beneficial effect:

1. divide into two regions of high temperature section and low temperature section with the casing through setting up the tube sheet structure, separately arrange, reach the effect that reduces calorific loss, whole cost is lower simultaneously, and the effect is better.

2. Firebrick reaches the effect of gathering together cigarette, fire through the tubular of guiding wall and different apertures, makes things convenient for cigarette, fire from middle circulation, reduces the firing to the casing, reduces energy loss then, has very strong practicality.

Drawings

The above features, technical features, advantages and modes of realisation of a low energy consumption heat transfer housing structure for flue gas treatment will be further described in the following, in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.

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

FIG. 2 is an enlarged view of the structure C in FIG. 1;

fig. 3 is a side view of the tube plate structure 8.

In the figure: the high-temperature section a, the low-temperature section b, the shell 1, the combustion port 2, the smoke exhaust port 3, the outer fire-resistant layer 4, the middle fire-resistant layer 5, the inner fire-resistant layer 6, the flow guide wall 7, the tube plate structure 8, the tubular refractory bricks 81, the refractory mortar 82, the fire barrier layer 9, the reinforcing layer 10 and the aluminum silicate fiber felt 11.

Detailed Description

The present invention will be further described with reference to the accompanying drawings 1-3:

the utility model discloses a low energy consumption heat transfer shell structure that flue gas was handled, which comprises a housin 1, be provided with tube sheet structure 8 in the inner chamber of casing 1, and casing 1 divide into two cavities through tube sheet structure 8, respectively with high temperature section an and low temperature section b, high temperature section an connects combustion opening 2, in this region, the gas that the combustor was to entering into in casing 1 heats, the temperature is very high in this region, also can produce very big flue gas simultaneously, the flue gas enters into low temperature section b after passing tube sheet structure 8, low temperature section b connects row's mouth of cigarette 3, arrange the flue gas down next stage, after the thermal-insulated water conservancy diversion through tube sheet structure 8, the temperature is lower in the low temperature section b.

In order to prevent energy loss and thermal pollution caused by heat transmitted out of the shell 1, an outer-layer fire-resistant layer 4, a middle-layer fire-resistant layer 5 and an inner-layer fire-resistant layer 6 are sequentially connected along the inner wall of the shell 1 from outside to inside in the area of a high-temperature section a, the outer-layer fire-resistant layer 4, the middle-layer fire-resistant layer 5 and the inner-layer fire-resistant layer 6 are all formed by stacking refractory bricks, and two adjacent layers of refractory bricks are stacked in a staggered manner to prevent flame from passing through gaps;

in the region of the low-temperature section b, two layers of fire insulation layers 9 with smaller thickness are arranged on the side wall of the shell 1, the thickness of the two layers of fire insulation layers 9 is similar to that of the outer fire-resistant layer 4, the two layers of fire insulation layers 9 are formed by stacking fire insulation bricks, and the two layers of fire insulation bricks are stacked in staggered joints.

The tube plate structure 8 is embedded in the inner layer fire-resistant layer 6 at one side of the high-temperature section a close to the low-temperature section b, the tube plate structure 8 comprises a plurality of axially distributed tube-type fire-resistant bricks 81, the tube-type fire-resistant bricks 81 are fixed through fire-resistant clay 82, the aperture sizes of the tube-type fire-resistant bricks 81 are different, the aperture sizes of the tube-type fire-resistant bricks 81 are in inverse proportion to the distance from the circle center of the tube plate structure 8, namely, the aperture of the tube-type fire-resistant bricks 81 is larger when the tube-type fire-resistant bricks 81 are closer to the circle center of the tube plate structure 8, otherwise, the aperture of the tube-type fire-resistant bricks 81 is smaller when the tube-type fire-resistant bricks 81 are farther from the circle center of the tube plate structure 8, smoke and fire can be more concentrated at the middle position of the tube plate structure 8 by adopting the arrangement, thereby being convenient to pass through the tube plate structure 8 to be discharged from the smoke outlet 3, and then reducing the high-temperature contact of the smoke and fire to the low-temperature section b,

still imbed the guide wall 7 on the inner wall of inlayer flame retardant coating 6, the guide wall 7 can be gathered together high temperature firework in the high temperature section a to the middle part for cigarette, fire gathering are in the middle part position of tube sheet structure 8, prevent then in low temperature section b, to shell 1's heat transfer, thereby can reduce the 9 thickness on fire barrier in the low temperature section b region, can reach the effect that reduces energy loss.

In order to consolidate the tube sheet structure 8, still be provided with the back up coat 10 that is triangular distribution on the inner wall between high temperature section a and the low temperature section b, back up coat 10 adopts two-layer trapezoidal resistant firebrick, one deck trapezoidal resistant firebrick is embedded into and is separated fire layer 9, the lateral wall of tube sheet structure 8 is contradicted to one side of the trapezoidal resistant firebrick of second floor, the opposite side of the trapezoidal resistant firebrick of second floor is embedded into and is separated fire layer 9, both sides at the two links of tube sheet structure 8 and the trapezoidal resistant firebrick of ladder all are provided with aluminium silicate fiber felt 11 simultaneously, improve the effect that separates the fire, prevent the cigarette, the fire invades in the gap.

Divide into two regions of high temperature section a and low temperature section b with casing 1 through setting up tube sheet structure 8, separately arrange, reach the effect that reduces calorific loss, whole cost is lower simultaneously, and the effect is better.

Firebrick 81 reaches the effect of gathering together cigarette, fire through the tubular of guiding wall 7 and different apertures, makes things convenient for cigarette, fire from middle circulation, reduces the firing to casing 1, reduces energy loss then, has very strong practicality.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a low energy consumption heat transfer shell structure that flue gas was handled, includes the casing, its characterized in that: a tube plate structure is arranged in the inner cavity of the shell and divides the shell into a high-temperature section and a low-temperature section, the high-temperature section is connected with a combustion port to provide a heat source, and the low-temperature section is connected with a smoke exhaust port to lead out smoke and fire;

an outer fire-resistant layer, a middle fire-resistant layer and an inner fire-resistant layer are sequentially connected along the inner wall of the shell from outside to inside in the high-temperature section, and a fire-insulating layer is arranged on the side wall of the shell in the low-temperature section;

and a flow guide wall for guiding and gathering smoke and fire is embedded into the inner wall of the inner-layer fire-resistant layer.

2. A flue gas treatment low energy consumption heat transfer housing structure according to claim 1, wherein: the outer fire-resistant layer, the middle fire-resistant layer and the inner fire-resistant layer are all formed by stacking refractory bricks, and the two adjacent layers of refractory bricks are stacked in a staggered joint manner.

3. A low energy consumption heat transfer housing structure for flue gas treatment as claimed in claim 2, wherein: the fire-proof layer is formed by piling fire-proof bricks on two sides, and the two layers of fire-proof bricks are piled in staggered joints.

4. A flue gas treatment low energy consumption heat transfer housing structure as claimed in any one of claims 1 to 3, wherein: and a reinforcing layer which is distributed in a triangular shape is also arranged on the inner wall between the high-temperature section and the low-temperature section.

5. The low energy consumption heat transfer housing structure for flue gas treatment of claim 4, wherein: the back up coat adopts two-layer trapezoidal resistant firebrick, and the one deck trapezoidal resistant firebrick is embedded into and is separated the fire layer, and the lateral wall of the resistant firebrick's of second floor ladder one side conflict tube sheet structure, and the resistant firebrick's of second floor ladder opposite side is embedded into and is separated the fire layer.

6. A flue gas treatment low energy consumption heat transfer housing structure according to claim 4, wherein: and aluminum silicate fiber felts are arranged at the two connecting ends of the tube plate structure and at the two sides of the trapezoid refractory bricks.