CN203784981U - Gas cooling device - Google Patents

Gas cooling device Download PDF

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Publication number
CN203784981U
CN203784981U CN201420121974.0U CN201420121974U CN203784981U CN 203784981 U CN203784981 U CN 203784981U CN 201420121974 U CN201420121974 U CN 201420121974U CN 203784981 U CN203784981 U CN 203784981U
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China
Prior art keywords
water
cooling
cooling device
ring
combustion gas
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Expired - Fee Related
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CN201420121974.0U
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Chinese (zh)
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邓树
严飞
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GUIZHOU AERONAUTICAL ENGINE INSTITUTE
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GUIZHOU AERONAUTICAL ENGINE INSTITUTE
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Abstract

The utility model discloses a gas cooling device. According to the gas cooling device, the problems that high-temperature gas equipment with the highest outlet exhaust temperature of 1600DEG C is required to be cooled until the exhaust temperature is not higher than 300DEG C. The gas cooling device comprises a cooling water inlet system, a cooling water adjusting control system, a cooling device and a water returning system. Water spraying for cooling is realized by adopting a three-stage water spraying ring, an adjusting valve and anelectromagnetic valve; automatic adjustment is realized by using a mode that the heat is absorbed by latent heat obtained through evaporation and vaporization of cooling water so as to meet the requirements of exhausting and cooling of high-temperature gas with different gas flows; equipment is manufactured by adopting general metal materials, so that the manufacturing cost of the cooling device is reduced and the space is saved; the exhaust cooling efficiency is increased and the water consumption is reduced; the service life of the cooling device is prolonged.

Description

A kind of combustion gas cooling device
Technical field
The present invention relates to a kind of combustion gas cooling device, relate in particular to a kind of high-temperature fuel gas water-spraying evaporation cooling device.
Technical background
Be the high-temperature fuel gas equipment of 1600 DEG C for outlet exhaust maximum temperature, meet discharge temperature must not, higher than the requirement of 300 DEG C, just need carry out cooling to high-temperature fuel gas.Current is all generally to adopt the water spray type of cooling, fuel gas temperature can be down to the requirement of discharge.Because a few thing state is often to change, that is to say that gas flow increases or reduces sometimes, fuel gas temperature is in the time of 300 DEG C~1600 DEG C of range, and cooling water inflow also will change accordingly, cause cost and the space of cooling device to change, cause waste.
It in 200520090910.x " water curtain type gas cooler " patent, is a kind of indirect type of cooling that adopts, cooling water is evenly injected in to the outside cascade that forms of smoke pipe to carry out cooling to flue gas in pipeline, although the method effect is better, but the equipment high for fuel gas temperature, flow is large, installs huge, equipment and materials selects adaptive temperature high, device fabrication is expensive, and the use amount of cooling water is large, and in pipe, medium flow resistance loss is large.
Be a kind of direct cooling mode at 20122022692.7 " a kind of recirculated cooling water devices ", directly cooling water be injected on workpiece by water ring, although cooling effect is also better, cooling effectiveness is low, and cooling water use amount is large.
Summary of the invention
The object of the invention is the equipment water jetting cooler of a kind of high-temperature fuel gas of designing in order to solve above-mentioned technical problem.
(1) technical problem that will solve
When 300 DEG C~1600 DEG C scopes of the temperature in combustion gas, gas flow increases or reduces while variation, requires fuel gas temperature to be reduced to below 300 DEG C, and the temperature drop excursion of high-temperature fuel gas is very large.Require to solve the lower problem of cooling effectiveness.
(2) technical scheme
In order to solve the problems of the technologies described above, a kind of high-temperature fuel gas cooling device of the present invention is to be achieved through the following technical solutions:
A kind of combustion gas cooling device of the present invention comprises cooling water water inlet system, chilled water modulation control system, cooling device and return water system.Wherein cooling water water inlet system comprises circulating water pool, water inlet manifold, water pump, water inlet total valve, the filter of inlet channel water, cooling water pipe, hand-operated valve; Return water system comprises return pipe, backwater valve, back water pump, cooling pond; Cooling device comprises cooling device housing, snap joint, water supply pipe joint, returning pipe joint, cooling jacket, water ring; Chilled water modulation control system comprises pressure tester, temperature measuring equipment, control valve, magnetic valve, booster pump.
The front end of described water inlet manifold is connected on circulating water pool and supplementary water pipe, is then provided with to be divided into three road cooling water pipes after water pump, the filter of water inlet total valve, inlet channel water and temperature measuring equipment and to enter cooling device.On the first via and the second road cooling water pipe, be separately installed with after water hand-operated valve and pressure tester and be parallel with respectively booster pump, control valve, wherein after first via cooling water pipe access magnetic valve, pressure tester is installed, being further divided into two-way snap joint connects respectively on the first order and second level water ring, directly cooling water is ejected in the high-temperature fuel gas in cooling device, and the snap joint of second level water ring on pipeline, a magnetic valve is installed above, the temperature measuring equipment feedback result in discharging with combustion gas is to the control of spraying water of second level water ring; On the second road cooling water pipe, magnetic valve, pressure tester and a snap joint are being installed, are connecting third level water ring and directly cooling water is ejected in the high-temperature fuel gas in cooling device.A control valve is installed on the parallel pipeline after the pressure tester of Third Road cooling water pipe, directly cooling water is sent into cooling jacket, according to the backwater feedback temperature control and regulation valve opening degree of cooling jacket, to increase or the cooling water that reduces is sent into cooling jacket and carried out coolingly, realize the automatic adjusting of circulation waterway.
The housing of described cooling device is a kind of circle or square pipeline, is connected with the equipment pipe of front and back by forward and backward flange switching form.Cooling device housing inner side is designed with cooling jacket, and the water supply pipe joint of cooling jacket is arranged on housing bottom near combustion gas upstream end, and the returning pipe joint of cooling jacket is arranged on cooling device case top near combustion gas outlet side.
Described water ring comprises first order water ring, second level water ring, third level water ring.3 grades of water rings are all arranged on respectively on 3 cross sections on the central axis of cooling device, supplied water by 6 snap joints on 3 water supply lines, each water ring is fixed on the horizontal both sides of cooling device housing by two water inlet straight tubes, its 2 outside and corresponding snap joints connect.Wherein first order water ring is fixedly mounted on forward flange cross section by the axial switching arm of the water inlet straight tube of water ring; Second, third grade of water ring is positioned on the radial section in cooling device by the water inlet straight tube being separately fixed on cooling device housing separately.
Described first order water ring comprises a water spray ring body, two axially transfer arm, two water inlet straight tubes and two blanking covers; Switching arm one end is welded on water straight tube, and the other end is welded on water spray ring body, and two ends are crossing is 90 °, and the end head of water inlet straight tube adopts blanking cover to weld shutoff.
Described second, third grade water ring structure is identical, comprises two semi-ring water spray ring bodies and two water inlet straight tubes; Respectively two semi-circular water spray ring bodies are directly welded on two water inlet straight tubes, the end head of water inlet straight tube adopts blanking cover to weld shutoff.
The layout of the hole for water spraying on described water spray ring body and semi-circular water spray ring body, each cross section is no less than 2 symmetrical holes in radial position, and aperture is generally not more than 1 millimeter; Hole for water spraying be oriented radial spray; Hole for water spraying quantity on each water spray ring body and semi-circular water spray ring body can design according to the maximum spout water yield.
Compared with prior art, the invention has the beneficial effects as follows:
(1) can automatically regulate to meet the high-temperature fuel gas exhaust cooling requirement of different flow and different temperatures.
(2) can adopt universal metal material, reduce cooling device manufacturing cost and save space.
(3) can improve exhaust cooling cooling effectiveness, reduce water consumption.
Brief description of the drawings
Fig. 1 is the schematic diagram of combustion gas cooling device
1-cooling water water inlet system 2-chilled water modulation control system 3-cooling device
4-return water system 5-combustion gas enters 6-combustion gas and discharges
The 101-circulating water pool 102-water inlet manifold 103-water pump 104-total valve of intaking
105-inlet channel water filter 106-first via cooling water pipe 107-the second road cooling water pipe
108-Third Road cooling water pipe 109-hand-operated valve 110-hand-operated valve
201-booster pump 202-booster pump 203-control valve 204-control valve 205-control valve
206-pressure tester 207-pressure tester 208-pressure tester 209-pressure tester 210-pressure tester
211-magnetic valve 212-magnetic valve 213-magnetic valve 214-temperature measuring equipment 215-temperature measuring equipment
216-temperature measuring equipment 217-temperature measuring equipment
301-snap joint 302-snap joint 303-snap joint 321-snap joint
401-return pipe 402-backwater valve 403-back water pump 404-cooling pond 405-return pipe
Fig. 2 is cooling device structural representation;
304-forward flange 305-cooling device housing 306-cooling jacket
307-first order water ring 308-second level water ring 309-third level water ring
310-rear flange 312-water supply pipe joint 313-returning pipe joint
Fig. 3 is that the A of Fig. 2 is to structural representation
Fig. 4 is one-level water ring structural representation
314-blanking cover 315-water inlet straight tube 316-switching arm 317-water spray ring body
Fig. 5 is two, three grades of water ring structural representations
318-water inlet straight tube 319-semi-circular water spray ring body
Fig. 6 is that Fig. 5 water ring B is to cross section structure schematic diagram
320-hole for water spraying
Detailed description of the invention
Below by instantiation, the present invention is further described.Below implement be descriptive be not determinate, can not limit protection scope of the present invention with this.
If Fig. 1 is to as shown in Fig. 6, a kind of combustion gas cooling device of the present invention comprises cooling water water inlet system 1, chilled water modulation control system 2, cooling device 3 and return water system 4.Wherein cooling water water inlet system 1 comprises circulating water pool 101, water inlet manifold 102, water pump 103, water inlet total valve 104, inlet channel water filter 105, cooling water pipe 106,107,108, hand-operated valve 109,110; Return water system 4 comprises return pipe 401,405, backwater valve 402, back water pump 403, cooling pond 404; Cooling device 3 comprises cooling device housing 305, snap joint 301,302,303,321, water supply pipe joint 312, returning pipe joint 313, cooling jacket 306, water ring 307,308,309.Chilled water modulation control system 2 comprises pressure tester 206,207,208,209,210, temperature measuring equipment 214,215,216, control valve 203,204,205, magnetic valve 211,212,213, booster pump 201,202.
The front end of described water inlet manifold 102 is connected on circulating water pool 101 and supplementary water pipe, is then provided with to be divided into three road cooling water pipes 106,107,108 after water pump 103, the filter 105 of water inlet total valve 104, inlet channel water and temperature measuring equipment 217 and to enter cooling device 3.On first via cooling water pipe 106 and the second road cooling water pipe 107, be separately installed with into water hand-operated valve 109, 110 and pressure tester 207, the 208 rear booster pumps 201 that are parallel with respectively, 202, control valve 203, 204, wherein first via cooling water pipe 106 is provided with pressure tester 209 after accessing magnetic valve 211, be further divided into two-way snap joint 301, 302 are connected on first order water ring 307 and second level water ring 308, directly cooling water is ejected in the high-temperature fuel gas in cooling device 3, and temperature measuring equipment 216 feedback result of a magnetic valve 212 in discharging 6 with combustion gas are installed to second level water ring 308 control of spraying water at snap joint 302 pipeline above, a magnetic valve 213, pressure tester 210 and snap joint 303 are installed on the second road cooling water pipe 107, connect third level water ring 309 and directly cooling water is ejected in the high-temperature fuel gas in cooling device 3.A control valve 205 is installed on the parallel pipeline after the pressure tester 206 of Third Road cooling water pipe 108, directly cooling water is sent into cooling jacket 306.According to backwater feedback temperature control and regulation valve 205 opening degrees of cooling jacket 306, the cooling water increasing or reduce is sent into the output of cooling jacket 306, realize the automatic adjusting of circulation waterway.
Described cooling device housing 305 is a kind of circle or square pipeline, is connected with rear flange 310 switching forms by forward flange 304 with the equipment pipe of front and back.Cooling device housing 305 inner sides are designed with cooling jacket 306, the water supply pipe joint 312 of cooling jacket 306 is arranged on cooling device housing 305 bottoms and enters 5 ends near combustion gas, and the returning pipe joint 313 of cooling jacket 306 is arranged on cooling device housing 305 tops and discharges 6 ends near combustion gas.
Described water ring comprises first order water ring 307, second level water ring 308, third level water ring 309.3 grades of water rings are all arranged on respectively on 3 cross sections on the central axis of cooling device, are supplied water by 6 snap joints on 3 water supply lines.Each water ring is fixed on the horizontal both sides of cooling device housing 305 by two water inlet straight tubes, its outside and corresponding snap joint 301,302,303 connects.Wherein first order water ring 307 is fixed on the cross section that is arranged on forward flange 304 by the axial switching arm 316 of the water inlet straight tube 315 on water ring; Second level water ring 308 and third level water ring 309 are by being separately fixed on cooling device housing 305 on the water inlet straight tube 318 separately radial section in cooling device.
Described first order water ring 307 comprises axially switching arm 316, two water inlet straight tubes 315 and two blanking covers 314 of a water spray ring body 317, two; Switching arm 316 one end are welded on water straight tube 315, and the other end is welded on water spray ring body 317, and two ends are crossing is 90 °, and the end head of water inlet straight tube 315 adopts blanking cover 314 to weld shutoff.Second level water ring 308 is identical with third level water ring 309 structures, comprises two water inlet straight tubes 318 and two semi-circular water spray ring bodies 319; Respectively two semi-circular water spray ring bodies 319 are directly welded on two water inlet straight tubes 318, the end head of water inlet straight tube 318 adopts blanking cover 314 to weld shutoff.
The layout of hole for water spraying 320 on described water spray ring body 317 and semi-circular water spray ring body 319, each cross section is no less than 2 symmetrical holes in radial position, and aperture is generally not more than 1 millimeter; Hole for water spraying 320 quantity on water spray ring body 317 semi-circular water spray ring bodies 319 can design according to the maximum spout water yield.
A kind of workflow of cooling device of combustion gas
(1) preparatory stage:
Top-off cycle pond 101, opens water inlet total valve 104; Open respectively hand-operated valve 109,110 according to the cooling requirement of combustion gas; Connect snap joint 301,302,303,321; Open backwater valve 402.
(2) examination phase:
Switch on power.Open water pump 103; Connect control valve 203,204, open booster pump 201,202, check temperature measuring equipment 214,215,216,217, pressure tester 206,207,208;
Water supply cooling process:
By water pump 103, the pressurization of interior circulating water pool 101 cooling water is entered to three road cooling water pipes 106,107,108 by water inlet manifold 102, water filter 105 and supply water, directly spray and enter that cooling device 4 is interior to carry out cooling to high-temperature fuel gas and cooling jacket 306 by water ring 307,308,309.The water that cooling device 4 and cooling jacket 306 are discharged is delivered to cooling pond 404 by backwater valve 402 by back water pump 403 and is carried out coolingly, then flows to circulating water pool 101.
(3) regulate and control:
Feed back to control valve 203,204, magnetic valve 211,212,213 according to the measurement data signals of combustion gas temperature measuring equipment 214 that enters 5 ends in combustion gas, classification regulates output directly cooling water to be ejected in the high-temperature fuel gas in cooling device 4 to water ring 307,308,309;
When the measurement data of the combustion gas temperature measuring equipment 215 of combustion gas outlet side 6 exceeds 300 DEG C, signal feedback is to control valve 203,204, magnetic valve 212 or magnetic valve 213, directly cooling water is ejected in the high-temperature fuel gas in cooling device 4 to water ring 309 or water ring 308 water supply through snap joint 303 or snap joint 302, until fuel gas temperature is reduced to below 300 DEG C, auto-adjustment control goes round and begins again;
While reaching 60 DEG C by water jacket backwater temperature measuring equipment 216 measurement discharge cooling jacket water temperatures, signal feedback is carried out quantity of circulating water adjusting to control valve 205, and cooling jacket water temperature reaches below 60 DEG C, and auto-adjustment control goes round and begins again.

Claims (9)

1. a combustion gas cooling device, comprises cooling water water inlet system (1), chilled water modulation control system (2), cooling device (3) and return water system (4); It is characterized in that: cooling water water inlet system (1) comprises circulating water pool (101), water inlet manifold (102), water pump (103), water inlet total valve (104), the filter of inlet channel water (105), cooling water pipe (106,107,108), hand-operated valve (109,110); Return water system (4) comprises return pipe (401,405), backwater valve (402), back water pump (403), cooling pond (404); Cooling device (3) comprises cooling device housing (305), snap joint (301,302,303,321), water supply pipe joint (312), returning pipe joint (313), cooling jacket (306), water ring (307,308,309); Chilled water modulation control system (2) comprises pressure tester (206,207,208,209,210), temperature measuring equipment (214,215,216), control valve (203,204,205), magnetic valve (211,212,213), booster pump (201,202);
Wherein the front end of water inlet manifold (102) is connected to circulating water pool (101), is then provided with to be divided into three road cooling water pipes (106,107,108) after water pump (103), water inlet total valve (104), inlet channel water filter (105) and temperature measuring equipment (217) and to enter cooling device (3), on first via cooling water pipe (106) and the second road cooling water pipe (107), be separately installed with into water hand-operated valve (109, 110) and pressure tester (207, 208) after, be parallel with respectively booster pump (201, 202), control valve (203, 204), wherein after first via cooling water pipe (106) access magnetic valve (211), pressure tester (209) is installed, be further divided into two-way snap joint (301, 302) be connected on first order water ring (307) and second level water ring (308), directly cooling water is ejected in the high-temperature fuel gas in cooling device (3), and at snap joint (302) pipeline above, a magnetic valve (212) and combustion gas are installed and discharge temperature measuring equipment (216) feedback result in (6) to second level water ring (308) control of spraying water, a magnetic valve (213), pressure tester (210) and snap joint (303) are installed on the second road cooling water pipe (107), connect third level water ring (309) and directly cooling water is ejected in the high-temperature fuel gas in cooling device (3), on the parallel pipeline of the pressure tester (206) of Third Road cooling water pipe (108), a control valve (205) is installed, directly cooling water is sent into cooling jacket (306).
2. a kind of combustion gas cooling device according to claim 1, it is characterized in that: cooling device housing (305) is a kind of circle or square pipeline, be connected with the equipment pipe of front and back with rear flange (310) switching form by forward flange (304).
3. a kind of combustion gas cooling device according to claim 1, it is characterized in that: cooling device housing (305) inner side is designed with cooling jacket (306), the water supply pipe joint (312) of cooling jacket (306) is arranged on cooling device housing (305) bottom and enters (5) end near combustion gas, and the returning pipe joint (313) of cooling jacket (306) is arranged on cooling device housing (305) top and discharges (6) end near combustion gas.
4. a kind of combustion gas cooling device according to claim 1, is characterized in that: water ring comprises first order water ring (307), second level water ring (308), third level water ring (309); 3 grades of water rings are all arranged on respectively on 3 cross sections on the central axis of cooling device, supplied water by 6 snap joints on 3 water supply lines, each water ring is fixed on the horizontal both sides of cooling device housing (305) by two water inlet straight tubes, its outside and corresponding snap joint (301,302,303) connects.
5. a kind of combustion gas cooling device according to claim 1, is characterized in that: first order water ring (307) comprises a water spray ring body (317), two arms (316) of axially transferring, two water inlet straight tubes (315) and two blanking covers (314); Switching arm (316) one end is welded on water straight tube (315), the other end is welded on water spray ring body (317), two ends are crossing is 90 °, and the end head of water inlet straight tube (315) adopts blanking cover (314) to weld shutoff.
6. a kind of combustion gas cooling device according to claim 1, it is characterized in that: second level water ring (308) is identical with third level water ring (309) structure, comprise two water inlet straight tubes (318) and two semi-circular water spray ring bodies (319); Respectively two semi-circular water spray ring bodies (319) are directly welded on to two water inlet straight tubes (318) upper, the end head of water inlet straight tube (318) adopts blanking cover (314) to weld shutoff.
7. according to claim 1 or require a kind of combustion gas cooling device described in 4, it is characterized in that: first order water ring (307) is fixedly mounted on the cross section of forward flange (304) by the axial switching arm (316) of the water inlet straight tube (315) on water ring.
8. according to claim 1 or require a kind of combustion gas cooling device described in 4, it is characterized in that: second level water ring (308) and third level water ring (309) are by being separately fixed on cooling device housing (305) on water inlet straight tube (318) the separately radial section in cooling device.
9. according to a kind of combustion gas cooling device described in claim 1,5 or 6, it is characterized in that: the layout of water spray ring body (317) and the upper hole for water spraying (320) of semi-circular water spray ring body (319), each cross section is no less than 2 symmetrical holes in radial position, and aperture is generally not more than 1 millimeter; Hole for water spraying (320) quantity on water spray ring body (317) and semi-circular water spray ring body (319) can design according to the maximum spout water yield.
CN201420121974.0U 2014-03-12 2014-03-12 Gas cooling device Expired - Fee Related CN203784981U (en)

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CN201420121974.0U CN203784981U (en) 2014-03-12 2014-03-12 Gas cooling device

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Application Number Priority Date Filing Date Title
CN201420121974.0U CN203784981U (en) 2014-03-12 2014-03-12 Gas cooling device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913324A (en) * 2014-03-12 2015-09-16 贵州航空发动机研究所 Fuel gas cooling device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913324A (en) * 2014-03-12 2015-09-16 贵州航空发动机研究所 Fuel gas cooling device

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Granted publication date: 20140820

Termination date: 20210312