CN201308833Y - Gas-liquid indirect heat exchanging type gypsum normal pressure reaction vessel - Google Patents
Gas-liquid indirect heat exchanging type gypsum normal pressure reaction vessel Download PDFInfo
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- CN201308833Y CN201308833Y CNU2008201760929U CN200820176092U CN201308833Y CN 201308833 Y CN201308833 Y CN 201308833Y CN U2008201760929 U CNU2008201760929 U CN U2008201760929U CN 200820176092 U CN200820176092 U CN 200820176092U CN 201308833 Y CN201308833 Y CN 201308833Y
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- reaction kettle
- reaction vessel
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- indirect heat
- heat exchange
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Abstract
The utility model relates to a gas-liquid indirect heat exchanging type gypsum normal pressure reaction vessel which comprises a reaction vessel body and a vessel body upper cover. The reaction vessel is characterized in that an agitating shaft with an agitating blade is arranged in the center of the reaction vessel body; the agitating shaft is connected with a speed reducer and a speed adjustment agitating motor; the speed reducer and the speed adjustment agitating motor are fixed on the vessel body upper cover; a steam pipe network is arranged in the inner cavity of the reaction vessel body, one end thereof is connected with a water steam inlet, and a steam exhaust port is arranged at the other end. The gas-liquid indirect heat exchanging type gypsum normal pressure reaction vessel is used as a special device for producing high-strength alpha type semi-hydrated gypsums by using industrial waste residues-desulfurized gypsums and can provide good reaction temperature conditions for the conversion of slurry, so that the slurry and heating medium can be subjected to complete heat exchange and the slurry is heated uniformly, thereby accelerating the reaction speed, improving the product yield, and reducing the production cost.
Description
Technical field
The utility model belongs to the production equipment of inorganic coagulation material, particularly relates to a kind of task equipment at industrial residue-desulfurated plaster production high strength alpha semi-hydrated gypsum---gas-liquid indirect heat exchange formula gypsum normal-pressure reaction kettle.
Background technology
Usually our said high strength alpha semi-hydrated gypsum, be with dihydrate gypsum under certain saturated vapor pressure or normal pressure salting liquid state, about more than 100 ℃, the alpha semi-hydrated gypsum of the column crystallization that the crystal habit of making is thick, the drying grinding, a kind of air hardening cementitious materials that obtains is mainly used in various moulds and various plasterings etc.The method of producing alpha semi-hydrated gypsum has autoclave method, pressure (hydraulic) water solwution method, normal pressure salt solustion mehtod, the still kettle equipment that adopts of autoclave method, pressure (hydraulic) water solwution method wherein, at home or external extensive use.
In recent years; enhancing along with people's environmental protection consciousness and energy conservation consciousness; technology with industrial residue-desulfurated plaster production high strength alpha semi-hydrated gypsum is also more and more ripe, but a kind of task equipment existence at industrial residue-desulfurated plaster production high strength alpha semi-hydrated gypsum under the normal pressure process conditions is not also arranged at present.
Summary of the invention
The purpose of this utility model is to provide a kind of task equipment at industrial residue-desulfurated plaster production high strength alpha semi-hydrated gypsum---gas-liquid indirect heat exchange formula gypsum normal-pressure reaction kettle.
The utility model is achieved through the following technical solutions:
A kind of gas-liquid indirect heat exchange formula gypsum normal-pressure reaction kettle, comprise reaction kettle body and kettle loam cake, it is characterized in that: described reaction kettle body central authorities are provided with the shaft that has stirrer paddle, this shaft connects with reductor speed governing stirring motor, and reductor, speed governing stirring motor are fixed on the kettle and cover; Inner chamber at reaction kettle body is provided with steam pipe system, and an end of this steam pipe system is connected with the water vapour air intake, and the other end is provided with the steam exhaust-gas mouth;
Above-mentioned steam pipe system is several levels, evenly is arranged on air inlet pipe in the reaction kettle body;
The top of described reaction kettle body is equipped with the slip guide plate, and this slip guide plate is one to have the plate of radian.
The aforesaid reaction vessel body is that draw ratio is 2~2.5 column type reactor.
Technical characterstic of the present utility model is:
1) the utility model utilizes the parget water thermal reaction characteristic, the water vapour of certain pressure is carried out sufficient heat exchange as indirect the contact with slip of heat medium, slip dissolves crystallization again under certain salting liquid and temperature conditions, help the generation of high strength alpha semi-hydrated gypsum;
2) the utility model is evenly distributed on the heater pipe network in the reactor body cavity, after slip adds reactor, is evenly distributed in the slip owing to heat pipe network, and carries out sufficient heat exchange, and slip is heated evenly, and reaction speed is fast, the efficient height;
3) heat medium of the present utility model can adopt high-pressure steam, conduction oil and hot flue gas, has wider adaptability.
4) the utility model is provided with slip guide plate 5 on the top of reactor, has improved the flow regime of slip, makes slip carry out sufficient heat exchange, improve reaction efficiency, can satisfy the gypsum pulp density more than 50%, improved yield, reduced cost, prevented that effectively the slip that seethes with excitement from overflowing.
In sum, with the task equipment of the utility model gas-liquid indirect heat exchange formula gypsum normal-pressure reaction kettle as industrial residue-desulfurated plaster production high strength alpha semi-hydrated gypsum, the conversion that can be slip provides good reaction temperature condition, make slip and heat medium carry out sufficient heat exchange, slip is heated evenly, thereby accelerated reaction speed, improved product yield, reduced production cost.
Description of drawings
Fig. 1 is the structural representation sketch in the utility model gas-liquid indirect heat exchange formula gypsum normal-pressure reaction kettle;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is that A-A among Fig. 1 is to view.
The specific embodiment
Gas-liquid indirect heat exchange formula gypsum normal-pressure reaction kettle of the present utility model comprises reaction kettle body 1 and the kettle loam cake 10 that reaction kettle body can be sealed, the central authorities of described reaction kettle body 1 are provided with the shaft 2 of band stirrer paddle 3, and transmission device---speed governing stirring motor 4 and reductor 5 connect with shaft 2 and be fixed on the kettle loam cake 10.On the top of reaction kettle body 1 slip guide plate 6 is installed, in the inner chamber of reaction kettle body, be provided with steam pipe system 7, the top of this steam pipe system 7 is connected with steam air intake 8, the bottom is provided with steam exhaust-gas mouth 24 and steam trap interface 9, and described steam pipe system 7 is that several are parallel, the air inlet pipe of even setting.Be respectively equipped with feed slurry mouth 11, exhaust outlet 12, additive inlet 13, thermometric interface 14, standby mouthful of 15 (2 places) on kettle loam cake 10, reaction kettle body 1 both sides are respectively equipped with water level interface 16 (2 places up and down), sample tap 17, refluxing opening 18 (2 places up and down), pH instrument interface 19; Be respectively equipped with slurry outlet 20, evacuation port 21, shaft fixture 22 at the bottom of the still of reaction kettle body 1; On reaction kettle body 1 outer wall, also be provided with supporting seat 23.
When reactor of the present utility model uses as the task equipment of industrial residue desulfurated plaster production high strength alpha semi-hydrated gypsum, with the gypsum slip for preparing, send in the reaction kettle body 1 by feed slurry inlet 11, kettle slip heating thermal source adopts the pipe network 7 that is provided with in the still, in pipe network 7, can feed high-pressure steam (conduction oil, hot flue gas) as thermal medium, indirect, the heating slip, guarantee the slurry reaction temperature requirement, slip stirs at a certain temperature on one side, reaction on one side generates alpha semi-hydrated gypsum.After reaction is finished, stop air feed, pipe network mesohigh steam (conduction oil, hot flue gas) is discharged, the alpha semi-hydrated gypsum slip is discharged by slurry outlet 17, the slip after the discharge after filtration, oven dry promptly gets product.
Claims (4)
1. gas-liquid indirect heat exchange formula gypsum normal-pressure reaction kettle, comprise reaction kettle body (1) and kettle loam cake (10), it is characterized in that: described reaction kettle body (1) central authorities are provided with the shaft (2) that has stirrer paddle (3), this shaft (2) connects with reductor (5), speed governing stirring motor (4), and reductor (5), speed governing stirring motor (4) are fixed on the kettle loam cake (10); Inner chamber at reaction kettle body (1) is provided with steam pipe system (7), and an end of this steam pipe system (7) is connected with water vapour air intake (8), and the other end is provided with steam exhaust-gas mouth (24).
2. according to the described gas-liquid indirect heat exchange of claim 1 formula gypsum normal-pressure reaction kettle, it is characterized in that: above-mentioned steam pipe system (7) is for several levels, evenly be arranged on the interior air inlet pipe of reaction kettle body (1).
3. according to the described gas-liquid indirect heat exchange of claim 1 formula gypsum normal-pressure reaction kettle, it is characterized in that: the top of described reaction kettle body (1) is equipped with slip guide plate (6), and this slip guide plate (6) is one to have the plate of radian.
4. according to claim 1,2 or 3 described gas-liquid indirect heat exchange formula gypsum normal-pressure reaction kettles, it is characterized in that: aforesaid reaction vessel body (1) is 2~2.5 column type reactor for draw ratio.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201760929U CN201308833Y (en) | 2008-10-22 | 2008-10-22 | Gas-liquid indirect heat exchanging type gypsum normal pressure reaction vessel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201760929U CN201308833Y (en) | 2008-10-22 | 2008-10-22 | Gas-liquid indirect heat exchanging type gypsum normal pressure reaction vessel |
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CN201308833Y true CN201308833Y (en) | 2009-09-16 |
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CNU2008201760929U Expired - Fee Related CN201308833Y (en) | 2008-10-22 | 2008-10-22 | Gas-liquid indirect heat exchanging type gypsum normal pressure reaction vessel |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103962082A (en) * | 2014-04-29 | 2014-08-06 | 苏州市金翔钛设备有限公司 | Temperature control reaction kettle |
CN109911927A (en) * | 2019-04-19 | 2019-06-21 | 湖南昌迅科技环保股份有限公司 | Hydrating structure, pressure vessel and the method from its internal water suction |
-
2008
- 2008-10-22 CN CNU2008201760929U patent/CN201308833Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103962082A (en) * | 2014-04-29 | 2014-08-06 | 苏州市金翔钛设备有限公司 | Temperature control reaction kettle |
CN109911927A (en) * | 2019-04-19 | 2019-06-21 | 湖南昌迅科技环保股份有限公司 | Hydrating structure, pressure vessel and the method from its internal water suction |
CN109911927B (en) * | 2019-04-19 | 2024-05-10 | 王焕德 | Water absorbing structure, pressure vessel and method for absorbing water from inside the pressure vessel |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20161022 |