CN102581945A - Exhaust steam afterheat recycling device for aerated brick field - Google Patents

Exhaust steam afterheat recycling device for aerated brick field Download PDF

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Publication number
CN102581945A
CN102581945A CN2012100444959A CN201210044495A CN102581945A CN 102581945 A CN102581945 A CN 102581945A CN 2012100444959 A CN2012100444959 A CN 2012100444959A CN 201210044495 A CN201210044495 A CN 201210044495A CN 102581945 A CN102581945 A CN 102581945A
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China
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water
steam
heat exchanger
pipe
vapor
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CN2012100444959A
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Chinese (zh)
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CN102581945B (en
Inventor
张宇
阮方
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HAIYANG LONGFENG THERMAL POWER CO Ltd
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HAIYANG LONGFENG THERMAL POWER CO Ltd
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Priority to CN201210044495.9A priority Critical patent/CN102581945B/en
Publication of CN102581945A publication Critical patent/CN102581945A/en
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Publication of CN102581945B publication Critical patent/CN102581945B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses an exhaust steam afterheat recycling device of an aerated brick field, which comprises a steam pouring cylinder, wherein a steam pouring pipe of each still kettle and a first steam inlet pipe of the aerated brick field are respectively connected with a steam inlet and a steam discharge opening of the steam pouring cylinder, the exhaust steam afterheat recycling device further comprises a steam discharge cylinder, a pressure matcher, a steam-water heat exchanger, a water storage tank and a volume type mixed heating water tank, the steam inlets of the steam discharge cylinder are respectively connected with steam discharge pipes of the still kettles, a steam discharge pipe of the steam discharge cylinder is connected with a steam inlet of the steam-water heat exchanger, the steam-water heat exchanger is connected with the pressure matcher, a first hot water outlet pipe of the steam-water heat exchanger is connected with the water storage tank, the water storage tank is connected with the volume type mixed heating water tank, and valves are respectively arranged between the steam discharge pipe of the steam discharge cylinder and the steam-water heat exchanger, among a cold water inlet pipe, the first hot water outlet pipe and a condensed water outlet pipe on the steam-water heat exchanger, the steam-water heat exchanger and the pressure matcher, and between the water storage tank and the volume type mixed heating water tank. The exhaust steam afterheat recycling device disclosed by the invention can fully utilize the steam in the still kettles to improve the economic benefit and reduce the environmental pollution.

Description

The waste vapour waste-heat recovery device of aerating brick field
Technical field
The present invention relates to a kind of waste vapour waste-heat recovery device, be specifically related to a kind of waste vapour waste-heat recovery device of aerating brick field.
Background technology
In aerating brick production process; Produce a large amount of remaining steam in the still kettle of aerating brick field; Existing way is that the steam that steamed in the still kettle after the aerating brick treats that through falling cylinder and another still kettle of work falls vapour to 0.4-0.5Mpa, and at this moment isostasy can't be fallen vapour again in two still kettles, and then remaining a large amount of 0.4-0.5Mpa high-temperature steams directly discharge sky in first still kettle; And adding a large amount of high-temperature steams through suction casig, new still kettle domestic demand reaches working condition; Not only waste energy but also environment is caused thermal pollution, when summer temperature was higher, the phenomenon of thermal pollution was especially serious.
Summary of the invention
The waste vapour waste-heat recovery device that the purpose of this invention is to provide a kind of aerating brick field, it can make full use of the steam in the still kettle, increases economic efficiency, reduces environmental pollution.
To achieve these goals; Technical solution of the present invention is: a kind of waste vapour waste-heat recovery device of aerating brick field, comprise down cylinder, and each still kettle structure of aerating brick field is identical; Be respectively equipped with down steam pipe, gland steam exhauster and first, second steam inlet pipe on each still kettle; The connection of falling the steam pipe of each still kettle is the air intake of cylinder, and first steam inlet pipe connects to fall the steam drain of cylinder, wherein; Also comprise exhaust casing, pressure matcher, vapor-water heat exchanger, water tank, positive displacement Hybrid Heating water tank; Each air intake of said exhaust casing is connected on the gland steam exhauster of each still kettle, and gland steam exhauster is provided with down steam valve, and said vapor-water heat exchanger is provided with steam air intake, cold water inlet, first hot water outlet pipe and condensate outlet pipe; The gland steam exhauster of exhaust casing is connected on the steam air intake of said vapor-water heat exchanger; Said vapor-water heat exchanger also connects said pressure matcher through jet chimney, and said pressure matcher connects the high temperature source of the gas, and first hot water outlet pipe of said vapor-water heat exchanger is connected on the said water tank; Said water tank is connected on the positive displacement Hybrid Heating water tank; The drainpipe of positive displacement Hybrid Heating water tank is provided with automatic accounting system, between the gland steam exhauster and vapor-water heat exchanger of said exhaust casing, between the cold water inlet on the vapor-water heat exchanger, first hot water outlet pipe, condensate outlet pipe and said vapor-water heat exchanger and the said pressure matcher, be respectively equipped with pipeline valve between water tank and the positive displacement Hybrid Heating water tank.
The waste vapour waste-heat recovery device of aerating brick field of the present invention wherein, is connected through pipeline between the gland steam exhauster of said exhaust casing and the said pressure matcher, and this pipeline is provided with pipeline valve, and said pressure matcher also is communicated with through pipeline between the cylinder with said fall.
The waste vapour waste-heat recovery device of aerating brick field of the present invention wherein, is provided with return pipe between said water tank and the vapor-water heat exchanger, and said return pipe is provided with pipeline valve.
The waste vapour waste-heat recovery device of aerating brick field of the present invention, wherein, said water tank is provided with jet model mixing heating unit.
The waste vapour waste-heat recovery device of aerating brick field of the present invention; Wherein, Said vapor-water heat exchanger is provided with second hot water outlet pipe; Said second hot water outlet pipe is connected on the positive displacement Hybrid Heating water tank, also is provided with cold water inlet, steam inlet pipe, hot water drainpipe on the said positive displacement Hybrid Heating water tank, and said steam inlet pipe connects low-voltage high-temperature steam; Be respectively equipped with pipeline valve on said second hot water outlet pipe, cold water inlet, steam inlet pipe, the hot water drainpipe, said hot water drainpipe is provided with automatic fare collection system.
The waste vapour waste-heat recovery device of aerating brick field of the present invention; Wherein, Said condensate outlet pipe is provided with the water water-to-water heat exchanger, and said condensate outlet pipe is connected in the water inlet of hot water of water water-to-water heat exchanger, and the running water filling pipe is connected on the cold water inlet of said water water-to-water heat exchanger; The hot water outlet pipe of said water water-to-water heat exchanger connects the cold water inlet of said vapor-water heat exchanger and the cold water inlet on the positive displacement Hybrid Heating water tank, is respectively equipped with pipeline valve on above-mentioned each pipeline.
The waste vapour waste-heat recovery device of aerating brick field of the present invention wherein, is equipped with blow-off pipe on said vapor-water heat exchanger, water tank, the positive displacement Hybrid Heating water tank, is respectively equipped with pipeline valve on each blow-off pipe.
After adopting such scheme, the waste vapour waste-heat recovery device of aerating brick field of the present invention is because the gland steam exhauster of still kettle connects exhaust casing, and exhaust casing connects vapor-water heat exchanger; Vapor-water heat exchanger connects pressure matcher; So under the pressure matcher effect, steam is all got into vapor-water heat exchanger by suction and is used for adding hot tap-water in the still kettle, satisfies production, living needs; And the very high steam of alkalescence in the still kettle changes into the low-temperature wastewater discharge at last; Improved the production that economic benefit of enterprises reduces environmental pollution again and do not influence the aerating brick field, behind every still kettle recovered steam, worked two times every day now by every still kettle; Annual operation was calculated in 320 days, can increase income every year 3225600 yuan.
In addition; Because be connected through pipeline between the gland steam exhauster of exhaust casing and the pressure matcher, this pipeline is provided with valve, pressure matcher with also be communicated with between the cylinder through pipeline; Therefore when not needing hot water, can the steam suction in No. 1 still kettle be got in No. 2 still kettles and utilize again.
Also have, because the condensate outlet pipe of vapor-water heat exchanger is provided with the water water-to-water heat exchanger, therefore further reduced the temperature of the waste water of discharging, the energy of steam is further made full use of in the still kettle; Be provided with return pipe between water tank and the vapor-water heat exchanger; In extraneous water consumption hour; Water in the water tank is circulated in vapor-water heat exchanger, guarantee the temperature of water in the water tank, and because water tank is provided with jet model mixing heating unit; Therefore when the water temperature after the vapor-water heat exchanger heating can not meet the demands merely, start the jet model mixing heating unit heating; Vapor-water heat exchanger also is connected with positive displacement Hybrid Heating water tank, therefore when extraneous water consumption is big, also can meet the demands.
Description of drawings
Fig. 1 is the structural representation of the waste vapour waste-heat recovery device of aerating brick field of the present invention.
Specify the waste vapour waste-heat recovery device of aerating brick field of the present invention below in conjunction with accompanying drawing.
The specific embodiment
As shown in Figure 1, the waste vapour waste-heat recovery device of aerating brick field of the present invention comprises down cylinder 1, exhaust casing 2, pressure matcher 3, vapor-water heat exchanger 4, water tank 5, and the structure of each still kettle is identical; With No. 1 still kettle 10 is example, is respectively equipped with down steam pipe 101, gland steam exhauster 102 and first, second steam inlet pipe 104,105 on No. 1 still kettle 10; The steam pipe 101 that falls is provided with down steam valve, is respectively equipped with pipeline valve on all the other above-mentioned each pipelines, and the steam pipe 101 that falls connects to fall the air intake of cylinder 1; First steam inlet pipe 104 connects to fall the steam drain of cylinder 1, and second steam inlet pipe 105 connects suction casig, and each air intake of exhaust casing 2 is connected on the gland steam exhauster 102 of each still kettle; Vapor-water heat exchanger 4 is provided with steam air intake 41, cold water inlet 42, first hot water outlet pipe 43 and condensate outlet pipe 45; Be respectively equipped with pipeline valve on above-mentioned each pipeline, the gland steam exhauster 21 of exhaust casing 2 is connected on the steam air intake 41 of vapor-water heat exchanger 4, and vapor-water heat exchanger 4 connects pressure matcher 3 through jet chimney; Between the gland steam exhauster 21 of exhaust casing 2 and the pressure matcher 3, pressure matcher 3 also is connected through steam pipework respectively between the cylinder 1 with falling; And pressure matcher 3 also connects suction casig, be high-temperature steam in the suction casig, reaches between the air intake 41 of gland steam exhauster 21 and vapor-water heat exchanger 4 of exhaust casing 2 between the gland steam exhauster 21 of exhaust casing 2 and the pressure matcher 3, is respectively equipped with pipeline valve between vapor-water heat exchanger 4 and the pressure matcher 3; The condensate outlet pipe 45 of vapor-water heat exchanger 4 is provided with water water-to-water heat exchanger 6; Condensate outlet pipe 45 is connected in the water inlet of hot water of water water-to-water heat exchanger 6, and running water filling pipe 9 is connected on the cold water inlet of water water-to-water heat exchanger 6, and the hot water outlet pipe 61 of water water-to-water heat exchanger 6 connects the cold water inlet 42 of vapor-water heat exchanger 4; First, second hot water outlet pipe 43,44 of vapor-water heat exchanger 4 is connected on water tank 5 and the positive displacement Hybrid Heating water tank 7; And be provided with return pipe 46 between water tank 5 and the vapor-water heat exchanger 4, water tank 5 is provided with jet model mixing heating unit 8, and jet model mixing heating unit 8 connects suction casig; High-temperature steam by in the suction casig provides power; Be respectively equipped with valve on the return pipe 46,51 and between jet model mixing heating unit 8 and the suction casig, also be provided with cold water inlet 71, steam inlet pipe 72, hot water outlet pipe 73 on the positive displacement Hybrid Heating water tank 7, be respectively equipped with pipeline valve on above-mentioned each pipeline; Cold water inlet 71 is communicated with the hot water outlet pipe 61 of water water-to-water heat exchanger 6; Steam inlet pipe 72 connects the low-voltage high-temperature vapour source, and hot water outlet pipe 73 is communicated with the user, and hot water outlet pipe 73 is provided with automatic fare collection system; Be connected through pipeline 51 between positive displacement Hybrid Heating water tank 7 and the water tank 5; This pipeline is provided with pipeline valve, is equipped with blow-off pipe on vapor-water heat exchanger 4, water tank 5, the positive displacement Hybrid Heating water tank 7, is equipped with pipeline valve on each blow-off pipe.
During the work of the waste vapour waste-heat recovery device of aerating brick field of the present invention, after the work that No. 1 still kettle steams the aerating brick is accomplished, open the valve on first steam inlet pipe of steam valve and No. 2 still kettles of falling on the steam pipe of falling of No. 1 still kettle earlier; 1, No. 2 still kettles fall vapour to isostasy through falling cylinder; Pressure is approximately 0.4-0.5Mpa, closes the steam valve that falls on No. 1 still kettle then, opens valve and the valve between exhaust casing 2 and vapor-water heat exchanger 4, vapor-water heat exchanger 4 and the pressure matcher 3 on the still kettle gland steam exhauster No. 1; At this moment the gas source in the suction casig is that pressure matcher 3 provides power; Under the swabbing action of pressure matcher 3, No. 1 the interior steam of still kettle gets into vapor-water heat exchanger 4, and running water temperature to be heated is raise; When the hot water requirement hour; The running water temperature raises after first hot water outlet pipe 43 gets into water tank 5, and is not enough like water temperature in the water tank 5, and available jet model mixing heating unit 8 is the water heating in the water tank 5; Water in water tank 5 is time spent not temporarily; Can get back to vapor-water heat exchanger 4 through vapor-water heat exchanger 4 circulations through return pipe 46, keep predetermined temperature to guarantee the water in the water tank 5, the water in the water tank gets into outlet pipe through positive displacement Hybrid Heating water tank 7; Steam in the still kettle is condensed into about 70-90 ℃ waste water behind vapor-water heat exchanger 4; Waste water gets into water water-to-water heat exchanger 6 through condensate outlet pipe 45, in water water-to-water heat exchanger 6, carries out heat exchange with running water, and temperature is reduced to about 40 ℃ and discharged; Water in the running water filling pipe 6 is after 6 preheatings of water water-to-water heat exchanger; Can get into vapor-water heat exchanger 4 or positive displacement Hybrid Heating water tank 7, when the hot water requirement is big, close the valve on first hot water outlet pipe 43 of vapor-water heat exchanger 4; Open the valve on vapor-water heat exchanger 4 second hot water outlet pipes 44; And the valve on the cold water inlet 71 of positive displacement Hybrid Heating water tank 7, running water gets into positive displacement Hybrid Heating water tank 7 after vapor-water heat exchanger 4 heats up, and the running water with preliminary preheating in positive displacement Hybrid Heating water tank 7 mixes; And be heated to predetermined temperature through positive displacement Hybrid Heating water tank 7, get into the user through the hot water outlet pipe again.
When not needing hot water; Close the gland steam exhauster 21 of exhaust casing 2 and the valve between the vapor-water heat exchanger 4; Open the valve between exhaust casing 2 and the pressure matcher 3; Residual steam in No. 1 still kettle gets into No. 2 still kettles through pressure matcher 3 pressurizations after fall cylinder, first steam inlet pipe, supplies No. 2 still kettle work, if No. 2 interior steam pressure, the temperature of still kettle do not meet the demands; Then open the valve on second steam inlet pipe of No. 2 still kettles, the gas source in the suction casig gets into No. 2 still kettles up to satisfying production requirement.
The above embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.

Claims (7)

1. the waste vapour waste-heat recovery device of an aerating brick field; Comprise down cylinder (1); Each still kettle structure of aerating brick field is identical; Be respectively equipped with down steam pipe (101), gland steam exhauster (102) and first, second steam inlet pipe (104,105) on each still kettle; The steam pipe (101) that falls of each still kettle connects the air intake of cylinder (1); First steam inlet pipe (104) connects to fall the steam drain of cylinder (1), and it is characterized in that: also comprise exhaust casing (2), pressure matcher (3), vapor-water heat exchanger (4), water tank (5), positive displacement Hybrid Heating water tank (7), each air intake of said exhaust casing (2) is connected on the gland steam exhauster (102) of each still kettle; Gland steam exhauster (102) is provided with down steam valve; Said vapor-water heat exchanger (4) is provided with steam air intake (41), cold water inlet (42), first hot water outlet pipe (43) and condensate outlet pipe (45), and the gland steam exhauster (21) of exhaust casing (2) is connected on the steam air intake (41) of said vapor-water heat exchanger (4), and said vapor-water heat exchanger (4) also connects said pressure matcher (3) through jet chimney; Said pressure matcher (3) connects the high temperature source of the gas; First hot water outlet pipe (43) of said vapor-water heat exchanger (4) is connected on the said water tank (5), and said water tank (5) is connected on the positive displacement Hybrid Heating water tank (7), and the drainpipe of positive displacement Hybrid Heating water tank (7) is provided with automatic accounting system; Between the gland steam exhauster (21) and vapor-water heat exchanger (4) of said exhaust casing (2), between the cold water inlet (42) on the vapor-water heat exchanger (4), first hot water outlet pipe (43), condensate outlet pipe (45) and said vapor-water heat exchanger (4) and the said pressure matcher (3), be respectively equipped with pipeline valve between water tank (5) and the positive displacement Hybrid Heating water tank (7).
2. the waste vapour waste-heat recovery device of aerating brick field as claimed in claim 1; It is characterized in that: be connected through pipeline between the gland steam exhauster (21) of said exhaust casing (2) and the said pressure matcher (3); This pipeline is provided with pipeline valve, and said pressure matcher (3) also is communicated with through pipeline between the cylinder (1) with said.
3. the waste vapour waste-heat recovery device of aerating brick field as claimed in claim 1 is characterized in that: be provided with return pipe (46) between said water tank (5) and the vapor-water heat exchanger (4), said return pipe (46) is provided with pipeline valve.
4. the waste vapour waste-heat recovery device of aerating brick field as claimed in claim 1 is characterized in that: said water tank (5) is provided with jet model mixing heating unit (8).
5. the waste vapour waste-heat recovery device of aerating brick field as claimed in claim 1; It is characterized in that: said vapor-water heat exchanger (4) is provided with second hot water outlet pipe (44); Said second hot water outlet pipe (44) is connected on the said positive displacement Hybrid Heating water tank (7); Also be provided with cold water inlet (71), steam inlet pipe (72), hot water drainpipe (73) on the said positive displacement Hybrid Heating water tank (7); Said steam inlet pipe (72) connects high-temperature steam, and said second hot water outlet pipe (44), cold water inlet (71), steam inlet pipe (72), hot water drainpipe are respectively equipped with pipeline valve on (73), and said hot water drainpipe (73) is provided with automatic fare collection system.
6. like the waste vapour waste-heat recovery device of the arbitrary described aerating brick field of claim 1 to 5; It is characterized in that: said condensate outlet pipe (45) is provided with water water-to-water heat exchanger (6); Said condensate outlet pipe (45) is connected on the water inlet of hot water of water water-to-water heat exchanger (6); The running water filling pipe is connected on the cold water inlet of said water water-to-water heat exchanger (6); The hot water outlet pipe (61) of said water water-to-water heat exchanger (6) connects the cold water inlet (42) of said vapor-water heat exchanger (4) and the cold water inlet (71) on the positive displacement Hybrid Heating water tank (7), is respectively equipped with pipeline valve on above-mentioned each pipeline.
7. the waste vapour waste-heat recovery device of aerating brick field as claimed in claim 1 is characterized in that: be equipped with blow-off pipe on said vapor-water heat exchanger (4), water tank (5), the positive displacement Hybrid Heating water tank (7), be respectively equipped with pipeline valve on each blow-off pipe.
CN201210044495.9A 2012-02-24 2012-02-24 Exhaust steam afterheat recycling device for aerated brick field Expired - Fee Related CN102581945B (en)

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CN102581945B CN102581945B (en) 2014-06-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110411233A (en) * 2019-07-11 2019-11-05 曲靖翔腾建材有限公司 A kind of method and system using steam-cured waste vapour multistage steam water separated heating waste pulp
CN112077995A (en) * 2020-08-10 2020-12-15 江苏广友节能建材科技有限公司 Steam recycling of pressurized air-entrapping partition board

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100586789B1 (en) * 2004-12-15 2006-06-08 김기석 Fluid's course auto-changing system in heat recovery equipment of wastewater
CN201569208U (en) * 2009-09-28 2010-09-01 北京神舟克莱新能源科技有限公司 Residual heat reclamation device in petroleum industry
CN202066385U (en) * 2011-03-29 2011-12-07 鞍钢股份有限公司 Novel waste heat recovery and use device
CN202540459U (en) * 2012-02-24 2012-11-21 海阳龙凤热电有限公司 Waste steam waste heat recovery device of gas brickyard

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100586789B1 (en) * 2004-12-15 2006-06-08 김기석 Fluid's course auto-changing system in heat recovery equipment of wastewater
CN201569208U (en) * 2009-09-28 2010-09-01 北京神舟克莱新能源科技有限公司 Residual heat reclamation device in petroleum industry
CN202066385U (en) * 2011-03-29 2011-12-07 鞍钢股份有限公司 Novel waste heat recovery and use device
CN202540459U (en) * 2012-02-24 2012-11-21 海阳龙凤热电有限公司 Waste steam waste heat recovery device of gas brickyard

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110411233A (en) * 2019-07-11 2019-11-05 曲靖翔腾建材有限公司 A kind of method and system using steam-cured waste vapour multistage steam water separated heating waste pulp
CN112077995A (en) * 2020-08-10 2020-12-15 江苏广友节能建材科技有限公司 Steam recycling of pressurized air-entrapping partition board

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