CN204848304U

CN204848304U - Waste heat heating boiler

Info

Publication number: CN204848304U
Application number: CN201520551909.6U
Authority: CN
Inventors: 张跃萍
Original assignee: PINGXIANG BAOHAI FEED ADDITIVE Co Ltd
Current assignee: Pingxiang treasure Zinc Nutrition Technology Co., Ltd.
Priority date: 2015-07-28
Filing date: 2015-07-28
Publication date: 2015-12-09
Anticipated expiration: 2025-07-28

Abstract

The utility model discloses a waste heat heating boiler, it includes the furnace body, furnace body inner chamber upper portion and lower part respectively the symmetry be provided with into oil pipe and go out oil pipe, the interval is crisscross between advancing oil pipe and go out oil pipe is provided with a plurality of groups and leads the oil body, every group leads the oil body and is formed side by side by lead oil pipe (2) that a plurality of roots are close to each other, lead an oil pipe mouth of pipe and advance oil pipe and link to each other, another mouth of pipe and an oil pipe link to each other, it stretches out outside the furnace body end continuously with oil pump (23) to advance oil pipe one end, play oil pipe one end is stretched out outside the furnace body end and is passed the concentration tower and links to each other with the oil pump, be provided with hot flue gas pipe (6) between the oil body leading, the interval is provided with hot -blast nozzle (7) on the hot flue gas pipe corresponding with leading the oil body, hot flue gas pipe one end is passed through air exhauster (9) and is linked to each other with waste heat flue gas room (10), the hot flue gas pipe other end links to each other with temperature -sensing valve (19), the utility model discloses not only but the make full use of waste heat reduces the steam consumption, reduces coal -fired consumption, practices thrift manufacturing cost, and can improve operational environment.

Description

Waste-heat boiler

Technical field

The utility model relates to Industrial Boiler (industrial heating furnace), especially relates to a kind of boiler of waste-heat.

Background technology

Feed grade Zinc Sulphate Monohydrate is requisite fodder additives in the livestock industry of domestic and international feed manufacturer production, fishery feed.Current feed grade Zinc Sulphate Monohydrate is produced and is mainly adopted zinc oxide, sulfuric acid, hydrogen peroxide, zinc powder is raw material, pass through acidleach, oxidation, displacement deironing, except bismuth, prepared by the processing method of deleading and evaporative crystallization, the thermal source that high-temperature steam heats as evaporative crystallization and solution, wherein evaporative crystallization operation (being condensed into 1 ton of Zinc Sulphate Monohydrate crystal) consume quantity of steam and be about 3.5 tons, its evaporative crystallization consume quantity of steam and account for whole Zinc Sulphate Monohydrate and produce the 70-80% of steam consumption quantity, and high-temperature steam mainly produces with coal firing boiler, produce one ton of Zinc Sulphate Monohydrate and need quota of expenditure fire coal about 800Kg.And producing the zinc oxide operation in Zinc Sulphate Monohydrate process and can produce the heat smoke of comparatively high temps, and the heat smoke of discharging is mostly directly or externally discharge after simple process, causes energy dissipation, has both added production cost, be unfavorable for environment protection again.

Utility model content

Produce evaporative crystallization in Zinc Sulphate Monohydrate process for above-mentioned need to consume quantity of steam large; and the problem that the heat smoke that zinc oxide operation produces is not fully used; the utility model provides a kind of heat smoke that zinc oxide operation is produced as thermal source to heat thermal oil; part hot steam is replaced in concentrated middle circulation with thermal oil; thus reduce bunker coal consumption; reduce production cost, be conducive to again the waste-heat boiler of environment protection.

The technical scheme that the technical problems to be solved in the utility model is taked is: described waste-heat boiler comprises the body of heater being rectangle body structure, the insulating lining that described body of heater is made up of steel furnace shell and refractory materials is formed, oil inlet pipe and oil outlet pipe is symmetrically arranged with respectively in body of heater inner chamber upper and lower, between oil inlet pipe and oil outlet pipe, interleaved is provided with some groups of Oil Guide bodies, often organize Oil Guide body to be formed side by side by some oil guide pipes located adjacent one another, described oil guide pipe is wave structure and one end mouth of pipe is connected with oil inlet pipe, the other end mouth of pipe is connected with oil outlet pipe, described oil inlet pipe one end extend out to outside body of heater end and is connected with oil pump, the other end is at body of heater inner sealing, described oil outlet pipe one end extend out to body of heater end and is also connected with oil pump through upgrading tower outward, the other end is at body of heater inner sealing, the thermal chimney of the concavo-convex distribution in continuous bending is provided with between Oil Guide body, the thermal chimney corresponding with Oil Guide body is arranged at intervals with hot-blast spray nozzle, described thermal chimney one end is connected with waste heat smoke chamber by vacuum fan, the described thermal chimney the other end is connected with temperature-sensing valve, described temperature-sensing valve is connected with waste heat airduct with fiber bag precipitator respectively, waste heat airduct is connected with vacuum fan, dust suction bucket is arranged at intervals with at the bottom of furnace body corresponding with Oil Guide body.

Working process of the present utility model is: high temperature (500-600 DEG C) the waste heat flue gas that zinc oxide operation produces, enter under vacuum fan effect in thermal chimney, by hot-blast spray nozzle, the thermal oil in oil guide pipe is heated, thermal oil temperature is made to be raised to 180-220 DEG C, thermal oil under oil pump effect by through the heat-conducting oil pipes release of heat in upgrading tower for Zinc Sulphate Monohydrate evaporative crystallization provides heat energy, thus the consumption of boiler high temperature steam can be reduced, thermal oil returns and flow into heating cycle utilization again in oil guide pipe by oil pump again, pass through temperature-sensing valve simultaneously, to discharge from thermal chimney and temperature is transported in sack cleaner lower than the heat smoke of 180 DEG C and is condensate in 100 DEG C after dust removal process, by row outer after cleaning and desulfurization process.

The utility model has following characteristics compared with existing waste heat boiler:

1, between the Oil Guide body be crisscross arranged, be provided with the thermal chimney of corrugated distribution and the hot-blast spray nozzle relative with Oil Guide position, waste heat flue gas recirculation both can have been made to utilize, can make again that thermal oil fully contacts with waste heat flue gas in body of heater and rapid temperature increases heats,

2, evaporative crystallization boiler can be made to reduce steam supply amount, reduce coal-fired consumption, save production cost, improve Working environment, coal-fired 200Kg calculating (after being all about 800Kg/ ton finished product, employing waste heat flue gas with Boiler Steam coal consumption, coal quantity of boiler is about 600Kg) can be saved by often producing one ton of finished product, daily output (24 hours) 80 tons of Zinc Sulphate Monohydrates calculate, and can save coal-fired cost 80(ton product every day) × 3.5(steam consumption ton/ton product) × 0.2 ton of (one ton of finished product consumption of coal) × 300(yuan/ton coal price)=1.68 ten thousand yuan.

3, reduce the processing cost of high-temperature residual heat flue gas, improve Working environment.

Accompanying drawing explanation

Fig. 1 is axial sectional structure schematic diagram of the present utility model,

Fig. 2 is the A-A sectional view of Fig. 1,

Fig. 3 be the B of Fig. 1 to structural representation,

Fig. 4 is the C-C sectional structure schematic diagram of Fig. 1,

Fig. 5 is that the D of Fig. 1 is to structural representation.

In the drawings, 1, oil inlet pipe I 2, oil guide pipe 3, furnace shell 4, insulating lining 5, hang screw rod 6, thermal chimney 7, hot-blast spray nozzle 8, waste heat airduct 9, vacuum fan 10, waste heat smoke chamber 11, hot blast distribution piping 12, dust suction bucket 13, unloading valve 14, stove seat 15, lower support 16, oil inlet pipe II 17, waste heat intervalve 18, waste heat output tube 19, temperature-sensing valve 20, sack cleaner 21, oil outlet pipe I 22, oil outlet pipe II 23, oil pump.

Embodiment

At Fig. 1, Fig. 2, Fig. 3, in Fig. 4 and Fig. 5, described waste-heat boiler comprises the body of heater being rectangle body structure, body of heater length is 27 meters, (wherein stove is high 3 meters for height overall 5 meters, stove seat 14 is high 2 meters), stove is wide 2.5 meters, the insulating lining 4 that described body of heater is made up of steel furnace shell 3 and refractory materials is formed, oil inlet pipe I 1 and oil outlet pipe I 21 is symmetrically arranged with respectively on body of heater inner chamber top, oil inlet pipe I 1 and oil outlet pipe I 21 are fixed in body of heater by hanging screw rod 5, in body of heater, bottom is symmetrically arranged with oil inlet pipe II 16 and oil outlet pipe II 22 respectively, oil inlet pipe II 16 and oil outlet pipe II 22 are fixed in body of heater by lower support 15, four groups of Oil Guide bodies in hanging like are arranged at intervals with between oil inlet pipe I 1 and oil outlet pipe I 21, often organize Oil Guide body to be formed side by side by the oil guide pipe 2 of the six roots of sensation (may also be other many) steel located adjacent one another, three groups of Oil Guide bodies in A seating shape are arranged at intervals with between oil inlet pipe II 16 and oil outlet pipe II 22, often organize Oil Guide body to be formed side by side by the oil guide pipe 2 of six roots of sensation steel located adjacent one another, described oil guide pipe is wave structure and one end mouth of pipe is connected with oil inlet pipe II 16 with oil inlet pipe I 1, the other end mouth of pipe is connected with oil outlet pipe II 22 with oil outlet pipe I 21, oil guide pipe mid-mounting is fixed on (not shown in FIG.) on body of heater, described oil inlet pipe one end extend out to outside body of heater end and is connected with oil pump 23, the other end is at body of heater inner sealing, described oil outlet pipe one end extend out to body of heater end and is also connected with oil pump through upgrading tower (not shown in FIG.) outward, the other end is at body of heater inner sealing, body of heater closed at both ends, the thermal chimney 6 in trapezoidal continuous concavo-convex distribution shape is provided with between Oil Guide body, the thermal chimney corresponding with Oil Guide body is arranged at intervals with hot-blast spray nozzle 7, described thermal chimney one end is connected with hot blast distribution piping 11, hot blast distribution piping receives to store the waste heat flue gas from Preparing of Zinc Oxide operation with waste heat smoke chamber 10(by vacuum fan 9) be connected, the described thermal chimney the other end is connected with waste heat intervalve 17, waste heat intervalve is connected with temperature-sensing valve 19 by waste heat output tube 18, described temperature-sensing valve is connected with waste heat airduct 8 with sack cleaner 20 respectively, waste heat airduct is connected with vacuum fan again, dust suction bucket 12 is arranged at intervals with at the bottom of furnace body corresponding with Oil Guide body, unloading valve 13 is provided with below dust suction bucket.

Claims

1. waste-heat boiler, it comprises the body of heater being rectangle body structure, the insulating lining (4) that described body of heater is made up of steel furnace shell (3) and refractory materials is formed, it is characterized in that: be symmetrically arranged with oil inlet pipe and oil outlet pipe respectively in body of heater inner chamber upper and lower, between oil inlet pipe and oil outlet pipe, interleaved is provided with some groups of Oil Guide bodies, often organize Oil Guide body to be formed side by side by some oil guide pipes (2) located adjacent one another, described oil guide pipe is wave structure and one end mouth of pipe is connected with oil inlet pipe, the other end mouth of pipe is connected with oil outlet pipe, described oil inlet pipe one end extend out to outside body of heater end and is connected with oil pump (23), the other end is at body of heater inner sealing, described oil outlet pipe one end extend out to body of heater end and is also connected with oil pump through upgrading tower outward, the other end is at body of heater inner sealing, the thermal chimney (6) of the concavo-convex distribution in continuous bending is provided with between Oil Guide body, the thermal chimney corresponding with Oil Guide body is arranged at intervals with hot-blast spray nozzle (7), described thermal chimney one end is connected with waste heat smoke chamber (10) by vacuum fan (9), the described thermal chimney the other end is connected with temperature-sensing valve (19), described temperature-sensing valve is connected with waste heat airduct (8) with fiber bag precipitator (20) respectively, waste heat airduct is connected with vacuum fan, dust suction bucket (12) is arranged at intervals with at the bottom of furnace body corresponding with Oil Guide body.

2. waste-heat boiler according to claim 1, is characterized in that: described Oil Guide body often group is formed side by side by six roots of sensation oil guide pipe (2).