CN213578731U

CN213578731U - Heating furnace for petrochemical industry of high-efficient recycle of waste heat

Info

Publication number: CN213578731U
Application number: CN202022310646.3U
Authority: CN
Inventors: 卢干仓; 张宸嘉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-29
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a high-efficient recycle's of waste heat heating furnace for petrochemical, comprising a base plate, one side on bottom plate top is provided with the furnace body, the bottom fixedly connected with supporting legs of furnace body both sides. The utility model discloses a be provided with the support frame, the second outlet, heat exchange box, heat exchange tube and second water inlet, when using, pour into heat exchange incasement portion with water from the second water inlet, the high temperature flue gas that produces when furnace body work gets into in the heat exchange tube that is linked together with it through the pipe of discharging fume that sets up in the heat exchange box, the high temperature flue gas heats the water of heat exchange incasement through the heat exchange tube absorbed heat, the heat of make full use of high temperature flue gas when carrying out the refrigerated to high temperature flue gas, the produced waste heat recovery utilization ratio of furnace body has further been improved, and the water of heat exchange incasement after the heating can reuse through the discharge of second outlet, thereby realized carrying out waste heat recovery's effect to the high temperature flue gas that produces in the stove, the thermal efficiency is improved.

Description

Heating furnace for petrochemical industry of high-efficient recycle of waste heat

Technical Field

The utility model relates to a petrochemical technical field specifically is a high-efficient recycle's of waste heat heating furnace for petrochemical.

Background

The heating furnace is widely used in the field of petrochemical industry, but the heating furnace is seriously lost by the influence of process and material in the using process, and the heat efficiency is not high, so that the resource waste is caused, the use cost is increased, the resource waste is reduced for improving the heat efficiency, the heating furnace for the petrochemical industry for efficiently recycling the waste heat is produced at the same time, and the existing heating furnace for the petrochemical industry for efficiently recycling the waste heat still has some defects when in use.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional petrochemical heating furnace capable of efficiently recycling waste heat cannot recycle heat flow emitted by the heating furnace, so that the working environment is influenced;

(2) the traditional heating furnace for petrochemical industry, which can efficiently recycle waste heat, can not recycle the waste heat of high-temperature flue gas generated in the furnace, and has low heat efficiency;

(3) the traditional heating furnace for petrochemical industry, which can efficiently recycle waste heat, can not purify flue gas and then discharge the purified flue gas, and is poor in environment protection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient recycle's of waste heat heating furnace for petrochemical to it can not carry out recycle, can not carry out waste heat recovery and can not purify the problem of back emission to the high temperature flue gas that the stove produced to the heat flow that the heating furnace gived off to propose among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient recycle's of waste heat heating furnace for petrochemical, includes the bottom plate, one side on bottom plate top is provided with the furnace body, the bottom fixedly connected with supporting legs of furnace body both sides, the bottom of supporting legs and the top fixed connection of bottom plate, the outside of furnace body is provided with the heat absorption structure, the intermediate position fixedly connected with feed inlet of department on furnace body top, the intermediate position fixedly connected with discharge gate of department of furnace body bottom, one side fixedly connected with on furnace body top discharges fume the pipe, the opposite side on bottom plate top is provided with the heat transfer structure, the bottom of discharging fume the pipe is provided with purification mechanism.

Preferably, the heat absorbing structure comprises a fixing frame, a heat absorbing pipe, a first water outlet and a first water inlet, the heat absorbing pipe is arranged outside the furnace body, the fixing frame is fixedly connected to two sides of the heat absorbing pipe, the bottom end of the fixing frame is fixedly connected to the top end of the bottom plate, the first water inlet is fixedly connected to one side of the heat absorbing pipe, and the first water outlet is fixedly connected to the other side of the heat absorbing pipe.

Preferably, the heat absorbing pipe is helical.

Preferably, the heat exchange structure comprises a support frame, a second water outlet, a heat exchange box, a heat exchange pipe and a second water inlet, the heat exchange box is arranged on the other side of the top end of the bottom plate, the bottom ends of the two sides of the heat exchange box are fixedly connected with the support frame respectively, the bottom ends of the support frame are fixedly connected with the top end of the bottom plate, the heat exchange pipe is fixedly connected inside the heat exchange box, the second water inlet is inserted into the top end of one side of the heat exchange box, and the second water outlet is inserted into one side of the bottom end of the heat exchange.

Preferably, two ends of the heat exchange tube penetrate through two ends inside the heat exchange box respectively and are communicated with the smoke exhaust tube.

Preferably, purification mechanism comprises purifying box, air discharge fan, stopper and adsorption column, purifying box fixed connection is in the bottom of discharging fume the pipe, and purifying box and the pipe case intercommunication of discharging fume, the inside of purifying box is provided with the adsorption column, the bottom fixedly connected with stopper of purifying box both sides, the bottom fixedly connected with air discharge fan of purifying box.

Compared with the prior art, the beneficial effects of the utility model are that: the heating furnace for petrochemical engineering with the waste heat efficiently recycled realizes the recycling of heat flow emitted by the heating furnace, the waste heat recycling of high-temperature flue gas generated in the heating furnace and the emission of the purified flue gas;

(1) by arranging the fixing frame, the heat absorbing pipe, the first water outlet and the first water inlet, when in use, water is sent into the heat absorbing pipe through the first water inlet, the heat absorbing pipe is spirally arranged on the outer surface of the furnace body, and the heat absorbing pipe is fixed at the top end of the bottom plate through the fixing frame, so that heat emitted by the furnace body can be absorbed, and the water in the heat absorbing pipe is heated, residual heat generated by the furnace body is fully utilized, and the water heated by the absorbed heat is discharged through the first water outlet, so that the effect of recycling heat flow emitted by the furnace body is realized, the ambient temperature of the furnace body is reduced, and the working environment is optimized;

(2) when the furnace body is used, water is injected into the heat exchange box from the second water inlet, when high-temperature flue gas generated during the work of the furnace body enters the heat exchange pipe which is arranged in the heat exchange box and communicated with the heat exchange box through the smoke exhaust pipe, the high-temperature flue gas absorbs heat through the heat exchange pipe to heat the water in the heat exchange box, the heat of the high-temperature flue gas is fully utilized while the high-temperature flue gas is cooled, the waste heat recovery rate of the furnace body is further improved, and the heated water in the heat exchange box is discharged through the second water outlet and can be reused, so that the effect of waste heat recovery of the high-temperature flue gas generated in the furnace is realized, and the heat efficiency is improved;

(3) through being provided with the purifying box, the air discharge fan, stopper and adsorption column, when using, the heat is absorbed the flue gas after the cooling and is got into in the purifying box through the tub entering of discharging fume, accessible air discharge fan is with flue gas eduction gear, the flue gas is taken out the front through the air discharge fan again and is passed through the adsorption column of setting in the purifying box, the harmful substance that contains in the active carbon through the adsorption column intussuseption adsorbs in to the flue gas, reach the purpose that purifies the produced flue gas of furnace body, fixed connection can prescribe a limit to the position of adsorption column in the inside both sides bottom of purifying box simultaneously, thereby realized purifying the back effect at the emission to the flue gas, the feature of environmental protection is better.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the heat absorbing structure of the present invention;

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

fig. 4 is a front view structure diagram of the purification mechanism of the present invention.

In the figure: 1. a base plate; 2. supporting legs; 3. a discharge port; 4. a heat absorbing structure; 401. a fixed mount; 402. a heat absorbing tube; 403. a first drain port; 404. a first water inlet; 5. a furnace body; 6. a feed inlet; 7. a smoke exhaust pipe; 8. a heat exchange structure; 801. a support frame; 802. a second water discharge port; 803. a heat exchange box; 804. a heat exchange pipe; 805. a second water inlet; 9. a purification mechanism; 901. a purification box; 902. an exhaust fan; 903. a limiting block; 904. and (4) adsorbing the column.

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. 1-4, the present invention provides an embodiment: a heating furnace for petrochemical industry with high-efficiency waste heat recovery and utilization comprises a bottom plate 1, a furnace body 5 is arranged on one side of the top end of the bottom plate 1, supporting legs 2 are fixedly connected to the bottom ends of two sides of the furnace body 5, the bottom ends of the supporting legs 2 are fixedly connected with the top end of the bottom plate 1, and a heat absorption structure 4 is arranged outside the furnace body 5;

the heat absorption structure 4 consists of a fixing frame 401, a heat absorption pipe 402, a first water discharge port 403 and a first water inlet 404, the heat absorption pipe 402 is arranged outside the furnace body 5, the fixing frame 401 is fixedly connected to two sides of the heat absorption pipe 402, the bottom end of the fixing frame 401 is fixedly connected with the top end of the bottom plate 1, the first water inlet 404 is fixedly connected to one side of the heat absorption pipe 402, and the first water discharge port 403 is fixedly connected to the other side of the heat absorption pipe 402;

the absorber tube 402 is helical;

specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, water is fed into the heat absorption pipe 402 through the first water inlet 404, the heat absorption pipe 402 is spirally arranged on the outer surface of the furnace body 5, and the heat absorption pipe 402 is fixed at the top end of the bottom plate 1 through the fixing frame 401, so that heat emitted by the furnace body 5 can be absorbed, and the water in the heat absorption pipe 402 can be heated, the residual heat generated by the furnace body 5 is fully utilized, and the water heated by the absorbed heat is discharged through the first water outlet 403, so that the effect of recycling the heat flow emitted by the furnace body 5 is realized, the ambient temperature of the furnace body 5 is reduced, and the working environment is optimized;

a feed inlet 6 is fixedly connected at the middle position of the top end of the furnace body 5, a discharge outlet 3 is fixedly connected at the middle position of the bottom end of the furnace body 5, a smoke exhaust pipe 7 is fixedly connected at one side of the top end of the furnace body 5, and a heat exchange structure 8 is arranged at the other side of the top end of the bottom plate 1;

the heat exchange structure 8 is composed of a support frame 801, a second water outlet 802, a heat exchange box 803, a heat exchange pipe 804 and a second water inlet 805, the heat exchange box 803 is arranged on the other side of the top end of the bottom plate 1, the bottom ends of the two sides of the heat exchange box 803 are respectively and fixedly connected with the support frame 801, the bottom end of the support frame 801 is fixedly connected with the top end of the bottom plate 1, the heat exchange pipe 804 is fixedly connected inside the heat exchange box 803, the second water inlet 805 is inserted into the top end of one side of the heat exchange box 803, and the second water outlet 802 is inserted into;

two ends of the heat exchange pipe 804 penetrate through two ends inside the heat exchange box 803 respectively and are communicated with the smoke exhaust pipe 7;

specifically, as shown in fig. 1 and 3, when the mechanism is used, firstly, water is injected into the heat exchange box 803 from the second water inlet 805, when high-temperature flue gas generated by the operation of the furnace body 5 enters the heat exchange tube 804 communicated with the heat exchange box 803 through the smoke exhaust tube 7, the high-temperature flue gas absorbs heat through the heat exchange tube 804 to heat the water in the heat exchange box 803, the heat of the high-temperature flue gas is fully utilized while the high-temperature flue gas is cooled, the waste heat recovery utilization rate of the furnace body 5 is further improved, and the heated water in the heat exchange box 803 is discharged through the second water outlet 802 to be reused, so that the effect of waste heat recovery of the high-temperature flue gas generated in the furnace is realized, and the heat efficiency is improved;

the bottom end of the smoke exhaust pipe 7 is provided with a purification mechanism 9;

the purification mechanism 9 is composed of a purification box 901, an exhaust fan 902, a limiting block 903 and an adsorption column 904, the purification box 901 is fixedly connected to the bottom end of the smoke exhaust pipe 7, the purification box 901 is communicated with the smoke exhaust pipe 7, the adsorption column 904 is arranged inside the purification box 901, the limiting blocks 903 are fixedly connected to the bottoms of two sides of the purification box 901, the exhaust fan 902 is fixedly connected to the bottom end of the purification box 901, and the type of the exhaust fan 902 can be XG-3;

specifically, as shown in fig. 1 and fig. 4, when using this mechanism, at first, the flue gas after the heat is absorbed the cooling gets into the purifying box 901 through discharging fume 7 in, accessible air discharge fan 902 is with flue gas eduction gear, the flue gas passes through before air discharge fan 902 takes out through the adsorption column 904 that sets up in the purifying box 901, the harmful substance that contains in to the flue gas through the active carbon of adsorption column 904 intussuseption adsorbs, reach the purpose that purifies the produced flue gas of furnace body 5, fixed connection can be injectd the position of adsorption column 904 in the stopper 903 of the inside both sides bottom of purifying box 901 simultaneously, thereby realized purifying the back effect at the emission to the flue gas, the feature of environmental protection is better.

The working principle is as follows: the utility model discloses when using, at first, send into water in the heat absorption pipe 402 through first water inlet 404, because the heat absorption pipe 402 is the heliciform setting at the surface of furnace body 5, and the heat absorption pipe 402 passes through mount 401 and fixes the top at bottom plate 1, thereby can absorb the heat that gives off furnace body 5 and heat the inside water of heat absorption pipe 402, the produced residual heat of make full use of furnace body 5, water after the heat absorption heating is discharged through first outlet 403, thereby realized carrying out recycle's effect to the heat flux that gives off furnace body 5, make furnace body 5 ambient temperature reduce, and the work environment is optimized.

Afterwards, water is injected into the heat exchange box 803 from the second water inlet 805, when high-temperature flue gas generated by the operation of the furnace body 5 enters the heat exchange tube 804 communicated with the heat exchange box 803 through the smoke exhaust tube 7, the high-temperature flue gas absorbs heat through the heat exchange tube 804 to heat the water in the heat exchange box 803, the heat of the high-temperature flue gas is fully utilized while the high-temperature flue gas is cooled, the waste heat recovery rate of the furnace body 5 is further improved, and the heated water in the heat exchange box 803 is discharged through the second water outlet 802 to be reused, so that the effect of waste heat recovery of the high-temperature flue gas generated in the furnace is realized, and the heat efficiency is improved.

Finally, the flue gas after the heat is absorbed the cooling gets into the purifying box 901 through discharging fume 7 in, accessible exhaust fan 902 is with flue gas eduction gear, the flue gas passes through exhaust fan 902 and takes out the preceding adsorption column 904 through setting up in the purifying box 901, the harmful substance that contains in the flue gas is adsorbed to the active carbon of filling through adsorption column 904, reach and carry out the purpose that purifies with the produced flue gas of furnace body 5, stopper 903 of fixed connection in the inside both sides bottom of purifying box 901 can be injectd the position of adsorption column 904 simultaneously, thereby realized purifying the effect of back emission to the flue gas, the feature of environmental protection is better.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a heating furnace for petrochemical of high-efficient recycle of waste heat, includes bottom plate (1), its characterized in that: one side on bottom plate (1) top is provided with furnace body (5), bottom fixedly connected with supporting legs (2) of furnace body (5) both sides, the bottom of supporting legs (2) and the top fixed connection of bottom plate (1), the outside of furnace body (5) is provided with heat absorbing structure (4), fixedly connected with feed inlet (6) are located to the intermediate position on furnace body (5) top, fixedly connected with discharge gate (3) are located to the intermediate position of furnace body (5) bottom, one side fixedly connected with pipe (7) of discharging fume of furnace body (5) top, the opposite side on bottom plate (1) top is provided with heat transfer structure (8), the bottom of pipe (7) of discharging fume is provided with purification mechanism (9).

2. The heating furnace for petrochemical industry, which can recycle waste heat with high efficiency, according to claim 1, wherein: the heat absorption structure (4) comprises a fixing frame (401), a heat absorption pipe (402), a first water discharge port (403) and a first water inlet (404), the heat absorption pipe (402) is arranged outside the furnace body (5), the fixing frame (401) is fixedly connected to the two sides of the heat absorption pipe (402), the bottom end of the fixing frame (401) is fixedly connected to the top end of the bottom plate (1), the first water inlet (404) is fixedly connected to one side of the heat absorption pipe (402), and the first water discharge port (403) is fixedly connected to the other side of the heat absorption pipe (402).

3. The heating furnace for petrochemical industry, which can recycle waste heat with high efficiency, according to claim 2, wherein: the heat absorbing pipe (402) is in a spiral shape.

4. The heating furnace for petrochemical industry, which can recycle waste heat with high efficiency, according to claim 1, wherein: the heat exchange structure (8) comprises a support frame (801), a second water outlet (802), a heat exchange box (803), a heat exchange pipe (804) and a second water inlet (805), wherein the heat exchange box (803) is arranged on the other side of the top end of the bottom plate (1), the bottom ends of the two sides of the heat exchange box (803) are respectively fixedly connected with the support frame (801), the bottom end of the support frame (801) is fixedly connected with the top end of the bottom plate (1), the heat exchange pipe (804) is fixedly connected with the inside of the heat exchange box (803), the second water inlet (805) is spliced on the top end of one side of the heat exchange box (803), and the second water outlet (802) is spliced on one side of the bottom end of the heat.

5. The heating furnace for petrochemical industry, according to claim 4, characterized in that: two ends of the heat exchange pipe (804) penetrate through two ends inside the heat exchange box (803) respectively and are communicated with the smoke exhaust pipe (7).

6. The heating furnace for petrochemical industry, which can recycle waste heat with high efficiency, according to claim 1, wherein: the purification mechanism (9) comprises a purification box (901), an exhaust fan (902), a limiting block (903) and an adsorption column (904), wherein the purification box (901) is fixedly connected to the bottom end of the smoke exhaust pipe (7), the purification box (901) is communicated with the smoke exhaust pipe (7), the adsorption column (904) is arranged inside the purification box (901), the limiting blocks (903) are fixedly connected to the bottoms of the two sides of the purification box (901), and the exhaust fan (902) is fixedly connected to the bottom end of the purification box (901).