CN104180684A - Quench tower - Google Patents
Quench tower Download PDFInfo
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- CN104180684A CN104180684A CN201410372109.8A CN201410372109A CN104180684A CN 104180684 A CN104180684 A CN 104180684A CN 201410372109 A CN201410372109 A CN 201410372109A CN 104180684 A CN104180684 A CN 104180684A
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- outer steel
- steel sleeve
- spray
- cover plate
- cooling water
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Abstract
The invention relates to a quench tower which comprises an outer steel bushing and an inner graphite bushing. The upper end and the lower end of the outer steel bushing are covered with an upper spraying cover plate and a lower cover plate respectively; the inner graphite bushing is tubular and is coaxially arranged in the outer steel bushing, a cooling water cavity capable of allowing cooling water to flow is formed between the inner graphite bushing and the inner wall of the outer steel bushing, a spraying inner cavity for gas spraying is formed in the inner wall of the inner graphite bushing, the upper end of the inner graphite bushing is communicated with the upper spraying cover plate through an upper sealing head, and the lower end of the inner graphite bushing is directly communicated with the lower cover plate. The upper portion of the outer steel bushing is provided with a cooling water outlet and an emptying opening which are arranged in a staggered mode, and the emptying opening is formed above the cooling water outlet. The lower portion of the outer steel bushing is provided with a cooling water inlet and an evacuation opening which are arranged in a staggered mode, and the evacuation opening is formed below the cooling water inlet. The quench tower has the advantages that the tower is simple in structure, convenient to manufacture, and capable of effectively performing quenching treatment on tail gas generated by high-temperature burning, and therefore the problem of environmental pollution is solved, and the energy saving and environmental friendly aims are achieved.
Description
Technical field
The present invention relates to a kind of quench tower, is a kind of quench tower that the tail gas producing after high temperature incineration is carried out to quenching specifically.
Background technology
Medical waste, by after high temperature incineration, not only makes rubbish obtain innoxious minimizing, also makes poisonous by going back material and bioxin is effectively addressed.
Bioxin can also synthesize in 300 degree left and right, therefore need to carry out cooling fast, and bioxin is difficult to natural degradation elimination in environment, it comprises compound in 210, its toxicity is very large, be 900 times of arsenic, have the title of " poison in century ", the bioxin of ten thousand/even 1/100000000th grams will bring tight harm to health.
Bioxin often with small particle exist with atmosphere, soil and water in, main pollution sources make chemical industry metallurgical industry, waste incineration, papermaking and produce agrochemical industry.
Incinerator technological process is at present: 1. rubbish burns through vertical incinerator; 2. secondary combustion chamber burning, and particles contained shape flying dust in flue gas is implemented to effectively trapping; 3. the flue gas producing carries out temperature-compensating through cooling system or air preheater; 4. then gas washs through cleaning dust device; 5. the flue gas of going out from cleaning dust device top overfall is carried on as before and is contained HCI, HF and SO
2stop and micronic dust etc. harmful gas, then enter into spray-absorption device, by alkaline hydrojet, chemical reaction occurs with it and implement effectively to inhale; 6. the flue gas after alkali liquor absorption enters mist water separator and carries out thorough purified treatment; 7. be driven into after lifting 35m in cigarette meat and enter in atmosphere finally by air-introduced machine.
In above-mentioned incinerator, need through cooling system, air preheater, cleaning dust device, spray-absorption device, its process complexity and burning disposal efficiency are low.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of quench tower that the tail gas producing after high temperature incineration is carried out to quenching.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of quench tower, and its innovative point is: comprise an outer steel sleeve and an interior graphite cannula, spray cover plate and lower cover are stamped respectively in the two ends up and down of described outer steel sleeve; Described interior graphite cannula in a tubular form, coaxially be arranged in outer steel sleeve, and can hold with outer steel sleeve inwall formation one the cooling water cavity that cooling water circulates, its inwall is a spray inner chamber for gas spray, its upper end is communicated with upper spray cover plate by a upper cover, and its lower end is directly communicated with lower cover.
Further, the top of described outer steel sleeve has a coolant outlet and an evacuation port, the setting of staggering of this coolant outlet and evacuation port, and evacuation port is positioned at the top of coolant outlet; The bottom of described outer steel sleeve has a cooling water inlet and a discharging hole, the setting of staggering of this cooling water inlet and discharging hole, and discharging hole is positioned at the below of cooling water inlet;
On described upper spray cover plate, there is a charging aperture, and charging aperture inwall arranges graphite connecting pipe on and is communicated with described upper cover, on upper spray cover plate taking the center of charging aperture as the center of circle, be evenly distributed with ringwise some spray liquid mouths, in described spray liquid mouth, spray head is installed, the lower end of this spray head is provided with nozzle, and described upper spray cover plate is fixedly connected with outer steel sleeve upper end by a upper flange component;
On described lower cover, have a discharging opening, this discharging opening inwall arranges being connected of graphite connecting pipe and interior graphite cannula, and described lower cover is by unsteady cooperation of lower end of once float assembly and outer steel sleeve.
Further, described upper flange component mainly comprises upper flange A, and this upper flange A is sleeved on the top of upper cover, and lower surface is fixedly connected with the upper surface of described outer steel sleeve, and described upper spray cover plate is fixedly connected with the upper surface of outer steel sleeve by this upper flange A.
Further, between described upper spray cover plate and upper flange A, be provided with sealing ring A.
Further, described lower relocation mechanism is mainly made up of lower flange group, some pull bars and the back-moving spring that is sleeved on some pull bars upper end,
Described lower flange group is sleeved on the outside of described graphite inner tube lower end, formed by two upper and lower overlapping upper flange B and lower flanges, this upper flange B is sleeved on the lower end of outer steel sleeve, and is fixedly connected with the lower end of described outer steel sleeve, and this lower flange is sleeved on the lower end of described interior graphite cannula;
Described lower cover is fixed by pull bar and described lower flange group, and this screw rod has back-moving spring at the part cover of the upper surface of described upper flange B, makes outer steel sleeve, upper spray cover plate, upper cover, lower cover form gun iron link by this back-moving spring.
Further, between described upper flange B and lower flange, be provided with sealing ring B.
Further, described nozzle is conical nozzle.
Further, the inwall of described interior graphite cannula has screw thread diversion structure
The invention has the advantages that:
1. adopt this quench tower, it is simple in structure, easily manufactured, and can effectively carry out quenching to the tail gas producing after high temperature incineration, thereby solves environmental pollution and energy-conserving and environment-protective problem; Gas and liquid flow direction adverse current arrange, liquid from tower top through the even sprinkle of spray head and under, gas evenly declines from tower top, thus gas-liquid two-phase contacts with each other through inner chamber the transmission of carrying out heat, is ensureing under the prerequisite of structural strength, improves heat exchange efficiency; Interior graphite cannula, utilizes wear-resisting, high temperature resistant, thermal shock resistance and the heat exchange property of graphite, chilling effect and the service life of having improved quench tower;
2. on, spray cover plate and be fixedly connected with outer steel sleeve upper end by a upper flange component, simple in structure, and good fixing effect; Between upper spray cover plate and upper flange A, being provided with sealing ring A is sealed and matched spray cover plate and outer steel sleeve; Ensure the sealing of tower body;
3. lower cover is floated and coordinates with the lower end of outer steel sleeve by the assembly that once floats, make outer steel sleeve, upper spray cover plate, upper cover, lower cover form gun iron link by back-moving spring, eliminate the stress that the coefficient of expansion difference of unlike material between outer steel sleeve, upper spray cover plate, upper cover, lower cover produces, thus not fragile tower body; Between upper flange B and lower flange, be provided with sealing ring B the lower end of lower cover and outer steel sleeve is sealed and matched, ensured the sealing of tower body;
3. in adopting, the inwall of graphite cannula has internal thread flow-guiding structure, has improved the contact area of gas and interior graphite cannula inwall, utilizes the good thermal conductivity of graphite to take away fast heat, has improved the chilling efficiency of tower body;
4. on, spray cover plate and be provided with mouth spray, be equipped with conical nozzle, improved spray area coverage, spray cryogenic liquid atomization zone is walked heat, thus cooling and dedusting.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of quench tower of the present invention.
Fig. 2 is the enlarged drawing of the A part of Fig. 1.
Fig. 3 is the enlarged drawing of the B part of Fig. 1.
Fig. 4 is the top view of a kind of quench tower of the present invention.
Fig. 5 is the structural representation of the conical nozzle of a kind of quench tower of the present invention.
Fig. 6 is the top view of the conical nozzle of a kind of quench tower of the present invention.
Detailed description of the invention
Embodiment 1
As shown in Figure 1 and Figure 4, a kind of quench tower of the present invention, comprises an outer steel sleeve 1 and an interior graphite cannula 2, and spray cover plate 3 and lower cover 4 are stamped respectively in the two ends up and down of outer steel sleeve; Interior graphite cannula 2 in a tubular form, coaxially be arranged in outer steel sleeve 1, and form one with outer steel sleeve 1 inwall and can hold the cooling water cavity 5 that cooling water circulates, its inwall is a spray inner chamber 6 for gas spray, its upper end is communicated with upper spray cover plate 3 by a upper cover 29, and its lower end is directly communicated with lower cover 4;
The top of outer steel sleeve 1 has a coolant outlet 7 and an evacuation port 8, the setting of staggering of this coolant outlet 7 and evacuation port 8, and evacuation port 8 is positioned at the top of coolant outlet 7; The bottom of outer steel sleeve 1 has a cooling water inlet 9 and a discharging hole 10, the setting of staggering of this cooling water inlet 9 and discharging hole 10, and discharging hole 10 is positioned at the below of cooling water inlet 9;
On upper spray cover plate 3, there is a charging aperture 11, and charging aperture 11 inwalls arrange graphite connecting pipe 12 on and are communicated with upper cover 29, on upper spray cover plate 3 taking charging aperture 11 center as the center of circle, be evenly distributed with ringwise eight spray liquid mouths 13, spray head 14 is installed in spray liquid mouth 13, the lower end of this spray head 14 is provided with nozzle 15, and upper spray cover plate 3 is fixedly connected with outer steel sleeve 1 upper end by a upper flange component;
On lower cover 4, have a discharging opening 16, these discharging opening 16 inwalls arrange being connected of graphite connecting pipe 17 and interior graphite cannula 2, and lower cover 4 is by unsteady cooperation of lower end of once float assembly and outer steel sleeve 1.
In the present embodiment,
As shown in Figure 2, upper flange component mainly comprises upper flange A18, and this upper flange A18 is sleeved on the top of upper cover 29, and lower surface is fixedly connected with the upper surface of outer steel sleeve 1, and upper spray cover plate 3 is fixedly connected with the upper surface of outer steel sleeve 1 by this upper flange A18; Accordingly; also be equipped with some screws 20 and matching nut 21; upper spray cover plate 3 Shang Yiqi centers, edge are that the center of circle is evenly distributed with some through hole A ringwise; these some through hole A are corresponding with the flange hole A of upper flange A18; each screw 20 is arranged in corresponding through hole A and flange hole A, and is locked at by nut 21 on the lower surface of upper flange A18;
In order to ensure the sealing of tower body, between upper spray cover plate 3 and upper flange A18, be also provided with sealing ring A19.
As shown in Figure 3, lower relocation mechanism is mainly made up of lower flange group, some pull bars 22 and the back-moving spring 23 that is sleeved on some pull bars 22 upper ends, lower flange group is sleeved on the outside of interior graphite cannula 2 lower ends, formed by two upper and lower overlapping upper flange B24 and lower flange 25, this upper flange B24 is sleeved on the lower end of outer steel sleeve 1, and be fixedly connected with the lower end of outer steel sleeve 1, this lower flange 25 is sleeved on the lower end of interior graphite cannula 2, lower cover 4 is fixed by pull bar 22 and lower flange group, this pull bar 22 has back-moving spring 23 at the part cover of the upper surface of upper flange B24, lower cover 4 Shang Yiqi centers, edge are that the center of circle is evenly distributed with some through hole B ringwise, these some through hole B24 are corresponding with the flange hole B of lower flange group, the two ends of each pull bar 22 are corresponding in the flange hole B of lower flange group and in the through hole B of lower cover 4 respectively, and be fixed on the upper surface of upper flange B24 by nut 26, nut 27 is fixed on the lower surface of lower cover 4, nut 28 is locked at the lower surface of lower flange 25, and the part cover between nut 26 and upper flange B24 has back-moving spring 23, between upper flange B24 and lower flange 25, be provided with sealing ring B28, make outer steel sleeve 1, upper spray cover plate 3, upper cover 29, lower cover 4 form gun iron link by this back-moving spring 23, eliminate the stress that the coefficient of expansion difference of unlike material between outer steel sleeve 1, upper spray cover plate 3, upper cover 29, lower cover 4 produces, thus not fragile tower body,
In order to have ensured the sealing of tower body, between upper flange B24 and lower flange 25, be also provided with sealing ring B30.
As shown in Figure 5 and Figure 6, nozzle 15 is conical nozzle, has improved spray area coverage, and spray cryogenic liquid atomization zone is walked heat, thus cooling and dedusting;
The inwall of interior graphite cannula 2 has screw thread diversion structure, has improved the contact area of gas and interior graphite cannula inwall, utilizes the good thermal conductivity of graphite to take away fast heat, has improved the chilling efficiency of tower body.
When use, gas and liquid flow direction adverse current arrange, liquid from tower top through the even sprinkle of spray head 14 and under, gas enters from charging aperture 11 places of upper spray cover plate, and evenly declines, and cooling water is entered by cooling water inlet 9, thereby gas-liquid respectively two-phase contacts with each other with cooling water cavity 5 transmission of carrying out heat through spray inner chamber 6, then cooling water is flowed out by coolant outlet 7, is ensureing, under the prerequisite of structural strength, to improve heat exchange efficiency.
Claims (8)
1. a quench tower, is characterized in that: comprise an outer steel sleeve and an interior graphite cannula, spray cover plate and lower cover are stamped respectively in the two ends up and down of described outer steel sleeve; Described interior graphite cannula in a tubular form, coaxially be arranged in outer steel sleeve, and can hold with outer steel sleeve inwall formation one the cooling water cavity that cooling water circulates, its inwall is a spray inner chamber for gas spray, its upper end is communicated with upper spray cover plate by a upper cover, and its lower end is directly communicated with lower cover.
2. a kind of quench tower according to claim 1, is characterized in that: the top of described outer steel sleeve has a coolant outlet and an evacuation port, the setting of staggering of this coolant outlet and evacuation port, and evacuation port is positioned at the top of coolant outlet; The bottom of described outer steel sleeve has a cooling water inlet and a discharging hole, the setting of staggering of this cooling water inlet and discharging hole, and discharging hole is positioned at the below of cooling water inlet;
On described upper spray cover plate, there is a charging aperture, and charging aperture inwall arranges graphite connecting pipe on and is communicated with described upper cover, on upper spray cover plate taking the center of charging aperture as the center of circle, be evenly distributed with ringwise some spray liquid mouths, in described spray liquid mouth, spray head is installed, the lower end of this spray head is provided with nozzle, and described upper spray cover plate is fixedly connected with outer steel sleeve upper end by a upper flange component;
On described lower cover, have a discharging opening, this discharging opening inwall arranges being connected of graphite connecting pipe and interior graphite cannula, and described lower cover is by unsteady cooperation of lower end of once float assembly and outer steel sleeve.
3. a kind of quench tower according to claim 2, it is characterized in that: described upper flange group mainly comprises upper flange A, this upper flange A is sleeved on the top of upper cover, and lower surface is fixedly connected with the upper surface of described outer steel sleeve, described upper spray cover plate is fixedly connected with the upper surface of outer steel sleeve by this upper flange A.
4. a kind of quench tower according to claim 3, is characterized in that: between described upper spray cover plate and upper flange A, be provided with sealing ring A.
5. a kind of quench tower according to claim 2, is characterized in that: described lower relocation mechanism is mainly made up of lower flange group, some pull bars and the back-moving spring that is sleeved on some pull bars upper end,
Described lower flange group is sleeved on the outside of described graphite inner tube lower end, formed by two upper and lower overlapping upper flange B and lower flanges, this upper flange B is sleeved on the lower end of outer steel sleeve, and is fixedly connected with the lower end of described outer steel sleeve, and this lower flange is sleeved on the lower end of described interior graphite cannula;
Described lower cover is fixed by pull bar and described lower flange group, and this screw rod has back-moving spring at the part cover of the upper surface of described upper flange B, makes outer steel sleeve, upper spray cover plate, upper cover, lower cover form gun iron link by this back-moving spring.
6. a kind of quench tower according to claim 5, is characterized in that: between described upper flange B and lower flange, be provided with sealing ring B.
7. a kind of quench tower according to claim 2, is characterized in that: described nozzle is conical nozzle.
8. a kind of quench tower according to claim 1, is characterized in that: the inwall of described interior graphite cannula has screw thread diversion structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410372109.8A CN104180684B (en) | 2014-07-31 | 2014-07-31 | A kind of chilling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410372109.8A CN104180684B (en) | 2014-07-31 | 2014-07-31 | A kind of chilling tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104180684A true CN104180684A (en) | 2014-12-03 |
| CN104180684B CN104180684B (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410372109.8A Active CN104180684B (en) | 2014-07-31 | 2014-07-31 | A kind of chilling tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN104180684B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000008A (en) * | 2016-07-11 | 2016-10-12 | 南通星球石墨设备有限公司 | Quenching type absorption tower |
| CN107436102A (en) * | 2017-09-08 | 2017-12-05 | 上海超惠通风环保设备有限公司 | A kind of thousand degree of high-temperature flue gas wall-flow type chilling towers |
| CN111486466A (en) * | 2019-12-23 | 2020-08-04 | 南通熠能精细石墨科技有限公司 | Cooling device for preventing overheating damage of wall surface of graphite quenching tower |
| CN112413609A (en) * | 2020-12-03 | 2021-02-26 | 北京京城环保股份有限公司 | Wet deacidification process method for high-temperature flue gas and precooler |
| CN112902211A (en) * | 2021-01-25 | 2021-06-04 | 中国五环工程有限公司 | High-temperature high-corrosion flue gas chilling device and melting gasification system comprising same |
| CN114370538A (en) * | 2022-01-15 | 2022-04-19 | 江苏海鼎电气科技有限公司 | Multiple sealed dock spray cooling pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158979A (en) * | 1995-12-14 | 1997-09-10 | 亚瑞亚·勃朗勃威力有限公司 | Chilling unit |
| JP2001201038A (en) * | 2000-01-20 | 2001-07-27 | Chugai Ro Co Ltd | Method of cooling exhaust gas and exhaust gas cooling tower |
| CN201322311Y (en) * | 2008-12-17 | 2009-10-07 | 安徽盛运机械股份有限公司 | Quench reaction tower for garbage incinerator tail gas |
| CN201368680Y (en) * | 2008-10-10 | 2009-12-23 | 维凯姆(大连)工程有限公司 | Quench cooler |
| CN201779680U (en) * | 2010-08-20 | 2011-03-30 | 中国瑞林工程技术有限公司 | Multifunctional water jacket device of quench tower |
-
2014
- 2014-07-31 CN CN201410372109.8A patent/CN104180684B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158979A (en) * | 1995-12-14 | 1997-09-10 | 亚瑞亚·勃朗勃威力有限公司 | Chilling unit |
| JP2001201038A (en) * | 2000-01-20 | 2001-07-27 | Chugai Ro Co Ltd | Method of cooling exhaust gas and exhaust gas cooling tower |
| CN201368680Y (en) * | 2008-10-10 | 2009-12-23 | 维凯姆(大连)工程有限公司 | Quench cooler |
| CN201322311Y (en) * | 2008-12-17 | 2009-10-07 | 安徽盛运机械股份有限公司 | Quench reaction tower for garbage incinerator tail gas |
| CN201779680U (en) * | 2010-08-20 | 2011-03-30 | 中国瑞林工程技术有限公司 | Multifunctional water jacket device of quench tower |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000008A (en) * | 2016-07-11 | 2016-10-12 | 南通星球石墨设备有限公司 | Quenching type absorption tower |
| CN107436102A (en) * | 2017-09-08 | 2017-12-05 | 上海超惠通风环保设备有限公司 | A kind of thousand degree of high-temperature flue gas wall-flow type chilling towers |
| CN111486466A (en) * | 2019-12-23 | 2020-08-04 | 南通熠能精细石墨科技有限公司 | Cooling device for preventing overheating damage of wall surface of graphite quenching tower |
| CN112413609A (en) * | 2020-12-03 | 2021-02-26 | 北京京城环保股份有限公司 | Wet deacidification process method for high-temperature flue gas and precooler |
| CN112902211A (en) * | 2021-01-25 | 2021-06-04 | 中国五环工程有限公司 | High-temperature high-corrosion flue gas chilling device and melting gasification system comprising same |
| CN114370538A (en) * | 2022-01-15 | 2022-04-19 | 江苏海鼎电气科技有限公司 | Multiple sealed dock spray cooling pipe |
| CN114370538B (en) * | 2022-01-15 | 2023-07-04 | 江苏海鼎电气科技有限公司 | Multiple sealed butt joint type spray cooling pipe |
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| Publication number | Publication date |
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| CN104180684B (en) | 2016-09-07 |
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Address after: 226500 Jiangsu province Nantong City Jiuhua town Rugao City Huaxing Road No. 8 Patentee after: Nantong star graphite Co., Ltd Address before: 226500 Jiangsu province Nantong City Jiuhua Jiuhua town of Rugao City neighborhood Patentee before: Nantong Xingqiu Graphite Facilities Company |
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