CN211373157U - Integrated equipment for cooling slag and drying gypsum of thermal power plant - Google Patents
Integrated equipment for cooling slag and drying gypsum of thermal power plant Download PDFInfo
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- CN211373157U CN211373157U CN201922183902.4U CN201922183902U CN211373157U CN 211373157 U CN211373157 U CN 211373157U CN 201922183902 U CN201922183902 U CN 201922183902U CN 211373157 U CN211373157 U CN 211373157U
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Abstract
The utility model is suitable for an energy-conserving technical field provides an integrated equipment that is used for slag cooling of thermal power plant and gypsum drying, include: the barrel is provided with an inner cavity, a middle cavity and an outer cavity which are concentric, the barrel is installed on an equipment support and can rotate relative to the equipment support, feeding components for pushing materials are arranged in the inner cavity, the middle cavity and the outer cavity, and the inner cavity is communicated with the outer cavity; the feeding device is used for feeding materials into the barrel; and discharging device for outwards export the material, the beneficial effects of the utility model are that: the method changes the traditional process that the cooling of the high-temperature slag and the drying of the gypsum of the thermal power plant are separately carried out, so that the originally lost slag energy is efficiently utilized, the waste of heat energy is greatly reduced, the drying cost is reduced, and the occupied space of equipment is reduced.
Description
Technical Field
The utility model relates to an energy-conserving technical field especially relates to an integrated equipment that is used for slag cooling of thermal power plant and gypsum drying.
Background
The coal-fired power generation of a thermal power plant has two problems, one is slag discharge and the other is flue gas discharge. The slag is high temperature slag, and the flue gas contains harmful gases such as sulfur dioxide and the like.
The problem to be solved in the discharge of the high-temperature slag is the cooling of the high-temperature slag. Circulating water cooling and auxiliary equipment are commonly adopted in power plants at present, equipment for directly cooling slag such as a water-cooling scraper slag conveyor and indirect water cooling equipment such as a CFB power plant roller slag cooler are adopted, but the equipment absorbs heat in high-temperature slag through cold media to exchange heat energy, and effective heat energy in the slag is wasted along with cooling of the cold media.
The slag discharge temperature of the boiler is generally above 800 ℃, the cooling process is a heat release process, and the heat release medium is cooling water; the water content of the desulfurized gypsum is about 15 to 20 percent, the drying process of the desulfurized gypsum is heat absorption, and most of the heat comes from steam heat generated by a boiler of a power plant or an independent calcining kiln. At present, different devices are respectively adopted for the treatment of the two processes by a power plant, and meanwhile, the waste of heat energy is also caused.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an integration equipment that is used for slag cooling of thermal power plant and gypsum drying aims at solving prior art, adopts two kinds of different equipment to cause the extravagant problem of heat energy to the cooling of slag and desulfurization gypsum's stoving.
The embodiment of the utility model provides a realize like this, a an integrated equipment that is used for slag cooling of thermal power plant and gypsum drying, include:
the barrel is provided with an inner cavity, a middle cavity and an outer cavity which are concentric, the barrel is installed on an equipment support and can rotate relative to the equipment support, feeding components for pushing materials are arranged in the inner cavity, the middle cavity and the outer cavity, and the inner cavity is communicated with the outer cavity;
the feeding device is used for feeding materials into the barrel; and
and the discharging device is used for outputting materials outwards.
As a further aspect of the present invention: the tail cover is arranged at the end part of the cylinder body and used for sealing the cylinder body, and the tail cover does not follow the cylinder body.
As a further aspect of the present invention: the barrel is installed on the equipment support through the riding wheel device and is driven to rotate by the transmission device.
As a further aspect of the present invention: the barrel comprises an outer barrel, a middle barrel and an inner barrel which are coaxial, gaps are arranged among the outer barrel, the middle barrel and the inner barrel, and the inner cavity, the middle cavity and the outer cavity are concentric.
As a further aspect of the present invention: the discharging device comprises a discharging hopper, the discharging hopper is installed at the opening end of the barrel and does not follow the barrel, a cavity I and a cavity II which are not communicated with each other are arranged in the discharging hopper, the cavity I is communicated with the outer cavity of the barrel, the cavity II is communicated with the middle cavity of the barrel, and a discharging port I and a discharging port II which correspond to the cavity I and the cavity II are arranged on the discharging hopper.
As a further aspect of the present invention: the feeding device comprises a feeding mechanism I and a feeding mechanism II, wherein the feeding mechanism I and the feeding mechanism II are respectively arranged on the tail cover and the discharge hopper and are respectively used for feeding materials into the middle cavity and the inner cavity.
As a further aspect of the present invention: and a discharging part is arranged at the position of the middle cavity corresponding to the discharging end of the feeding mechanism I and used for feeding the material output by the feeding mechanism I into the middle cavity.
As a further aspect of the present invention: the outer cavity with the junction of interior cavity still is equipped with changes material spare for follow the material is followed interior cavity is transfered to in the outer cavity.
Compared with the prior art, the beneficial effects of the utility model are that: the traditional cooling process of the high-temperature slag is changed, so that the originally lost slag energy is efficiently utilized, and the waste of heat energy is greatly reduced; waste heat of unused high-temperature furnace slag in a thermal power plant is used for drying and calcining the desulfurized gypsum, so that the drying cost is greatly reduced; meanwhile, the cooling and drying purposes are achieved in one device through heat exchange between two materials, the situation that the cooling and drying of the materials are completed in different devices under the conventional condition is changed, and the investment cost for realizing similar functional projects is greatly saved; the utility model discloses a tractor serves two-purpose, cooling and drying between the different materials for equipment quantity reduces, has reduced the occupation of land space of equipment.
Drawings
Fig. 1 is a schematic structural view of an integrated plant for slag cooling and gypsum drying in a thermal power plant.
Fig. 2 is a schematic structural diagram of a feeding assembly in an integrated equipment for slag cooling and gypsum drying in a thermal power plant.
Fig. 3 is a schematic view of the structure in the direction of a-a in fig. 1.
Fig. 4 is a schematic structural diagram of a discharge hopper in an integrated device for slag cooling and gypsum drying in a thermal power plant.
Fig. 5 is a schematic structural diagram of a feeding mechanism I in an integrated equipment for slag cooling and gypsum drying of a thermal power plant.
In the drawings: 1-tail cover, 2-feeding mechanism I, 3-outer cylinder, 4-middle cylinder, 5-inner cylinder, 6-discharge hopper, 7-feeding mechanism II, 8-riding wheel device, 9-transmission device, 10-equipment support, 11-first blade, 12-second blade, 13-third blade, 14-fourth blade, 15-fifth blade, X-inner cavity, Y-middle cavity, Z-outer cavity, M-cavity I, N-cavity II, J-discharge port I, K-discharge port II.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
As shown in fig. 1 to 5, for the structure diagram of the integrated equipment for slag cooling and gypsum drying of the thermal power plant provided by an embodiment of the present invention, the structure diagram includes a cylinder, a feeding device and a discharging device, the cylinder has an inner cavity X, a middle cavity Y and an outer cavity Z which are concentric, the cylinder is mounted on an equipment support 10 and can rotate relative to the equipment support 10, feeding components for pushing materials are arranged in the inner cavity X, the middle cavity Y and the outer cavity Z, and the inner cavity X and the outer cavity Z are kept communicated; the feeding device is used for feeding materials into the barrel; the discharging device is used for outputting materials outwards.
In one aspect of this embodiment, the materials fed into the cylinder by the feeding device are respectively slag and gypsum, the slag moves in the cylinder along a path from the middle cavity Y to the outer cavity Z, and the gypsum moves into the inner cavity X to the outer cavity Z and finally to the outer cavity Z. The traditional cooling process of the high-temperature slag is changed, so that the originally lost slag energy is efficiently utilized, the waste of heat energy is greatly reduced, and the drying cost is reduced.
In the embodiment, the principle of the method is described by taking the slag and the gypsum as raw materials, and the method can also be used for heat exchange between other materials with flow characteristics in practical application, such as high-temperature slag and mineral powder to be dried. The path of movement of the material within the apparatus may also be changed as desired or required, for example by moving slag through the inner chamber X to the outer chamber Z and gypsum from the inner chamber Y into and out of the chamber.
For the feeding assembly, as shown in fig. 1, the inner cavity X, the middle cavity Y and the outer cavity Z are respectively provided with a feeding assembly, which is a third blade 13, a second blade 12 and a first blade 11, the third blade 13, the second blade 12 and the first blade 11 may be continuous helical blades, or disconnected helical blades, or a material raising plate with a certain inclination angle, as long as the material is driven to be propelled when rotating, but the purpose of transporting the material is achieved, the feeding assembly needs to adopt reasonable parameters according to calculation of relevant parameters of the material to be cooled and the material to be dried, and the distribution of the blades in each region generally adopts a multi-head form. Of course, the third blade 13 and the second blade 12 propel the material in the same direction, and the third blade 13 propels the material in the opposite direction to the first blade 11.
As shown in fig. 1, as a preferred embodiment of the present invention, the end of the cylinder is provided with a tail cover 1 for sealing the cylinder, and the tail cover 1 does not follow the cylinder.
In one aspect of this embodiment, the tail cover 1 serves to seal the end of the L end of the entire barrel, and a bearing or the like may be installed between the tail cover 1 and the barrel, and the tail cover 1 is fixedly connected to an external mechanism, so that the technical effect that the tail cover 1 remains stationary when the barrel rotates is achieved.
As shown in fig. 1 and 3, as another preferred embodiment of the present invention, the cylinder is mounted on the equipment support 10 through the riding wheel device 8, and the cylinder is driven to rotate by the transmission device 9.
The riding wheel device 8 is not different from the prior art, and redundant description is not provided herein, and in one aspect of the present embodiment, the transmission device 9 includes a reduction motor, a gear ring and the like, the gear ring is fixed outside the cylinder, the gear is in meshing transmission with the gear ring, the gear is mounted on the output end of the reduction motor, and the transmission of the cylinder can be driven by the motor through the meshing action between the teeth.
Of course, in practical applications, the gear ring may be replaced by other transmission modes, such as a chain and a sprocket, and the like, and is not limited specifically herein.
As shown in fig. 1-2, as a preferred embodiment of the present invention, the barrel includes an outer barrel 3, a middle barrel 4 and an inner barrel 5, which are coaxial, and gaps are provided between the outer barrel 3, the middle barrel 4 and the inner barrel 5, so as to form the concentric inner cavity X, the middle cavity Y and the outer cavity Z.
The outer barrel 3, the middle barrel 4 and the inner barrel 5 can be connected through connecting columns and the like, synchronous rotation and position keeping of the three can be achieved, and large influence on flowing of materials can not be caused. Correspondingly, the third blade 13, the second blade 12 and the first blade 11 may be fixed to the outer cylinder 3, the middle cylinder 4 and the inner cylinder 5 by welding or the like, and are welded on the outer wall or the inner wall of the corresponding cylinder, which may be determined according to the actual situation.
As shown in fig. 4, as the utility model discloses a preferred embodiment, discharging device includes out hopper 6, go out hopper 6 install at the open end of barrel and not with the barrel follow-up, be equipped with cavity IM and cavity IIN that do not communicate each other in going out hopper 6, wherein cavity IM with the outer cavity Z intercommunication of barrel, cavity IIN with the well cavity Y intercommunication of barrel, be equipped with discharge gate IJ and discharge gate IIK that correspond with cavity IM and cavity IIN on going out hopper 6.
In one aspect of the present embodiment, the discharge hopper 6 is provided at the R end of the cylinder, and is strictly connected to the outer cylinder 3, and the connection and installation thereof may be the same as the installation of the tail cover 1, and redundant description thereof will not be provided. Go out the centre of hopper 6 and be equipped with the annular plate, the inside and outside of annular plate respectively with well section of thick bamboo 4 and go out 6 inner wall connections of hopper, separate into cavity IM and cavity IIN with a hopper 6, form two mutually independent cavitys from this, avoid the mutual infiltration between the material, if have necessarily, still should set up sealedly between hopper 6 and the barrel.
As shown in fig. 1 and 5, as a preferred embodiment of the present invention, the feeding device includes a feeding mechanism I2 and a feeding mechanism II7, wherein the feeding mechanism I2 and the feeding mechanism II7 are respectively installed on the tail cover 1 and the discharge hopper 6, and are respectively used for feeding materials into the middle cavity Y and the inner cavity X.
Because the feeding device is required to be used and cannot rotate along with the barrel during normal feeding, in the embodiment, the feeding mechanism I2 and the feeding mechanism II7 in the feeding device are respectively installed on the tail cover 1 and the discharge hopper 6.
Specifically, the feeding mechanism I2 is a cylindrical structure and is fixed on the tail cover 1, the end of the feeding mechanism I2 extends into the tail cover 1 and is in sealed contact with the middle cylinder 4 and the inner cylinder 3 which form the middle cavity Y, so that materials can be fed into the middle cavity Y, and preferably, the feeding mechanism I2 can also be formed by connecting multiple sections of cylinders through flanges.
The feeding mechanism II7 can directly adopt a screw conveyer in the prior art, wet desulfurized gypsum is conveyed into the inner cavity X through the rotation of a self-contained motor and the transmission of a helical blade in the feeding mechanism II7, the feeding mechanism II7 is directly fixed on the discharging hopper 6, the discharging end of the feeding mechanism II7 directly extends into the inner cavity X, a corresponding sealing interface is arranged on the discharging hopper 6, and the end of the inner cavity X close to the feeding mechanism II7 can be of a closed structure, namely, the corresponding position of the inner cylinder 3 is closed, so that the material is prevented from falling.
As shown in fig. 1, as a preferred embodiment of the present invention, the discharge end of the middle cavity Y corresponding to the feeding mechanism I2 is provided with a discharge member for feeding the material outputted by the feeding mechanism I2 into the middle cavity Y.
Specifically, the discharging member is a fourth blade 14, the fourth blade 14 is a spiral structure, and when the discharging member and the cylinder rotate synchronously, the discharging member has an effect of conveying materials, here, in order to convey the materials in the inner cavity Z into the outer cavity Z and mount a carrier with the fourth blade 14, the inner cylinder 5 extends into the tail cover 1, the fourth blade 14 is fixed on the surface of the inner cylinder 5 at a position corresponding to the feeding mechanism I2, and the mounting position of the fourth blade 14 does not exceed the sealing contact position of the feeding mechanism I2 and the inner cylinder 3.
As shown in fig. 1, as a preferred embodiment of the present invention, the junction between the outer cavity Z and the inner cavity X is further provided with a material transferring member for transferring the material from the inner cavity X to the outer cavity Z.
Specifically, the material transferring member is a fifth blade 15, and the fifth blade 15 is a spiral structure, and may also be disposed on an extension portion of the inner cylinder 5, and may be located outside a sealing contact portion between the feeding mechanism I2 and the inner cylinder 3. The fifth blade 15 and the fourth blade 14 are the same as the feeding assembly, and may be continuous helical blades, disconnected helical blades, or material raising plates with a certain inclination angle.
It is necessary to explain, inverter motor should all be adopted to the motor of feed mechanism II7 among transmission 9 and the feed arrangement, can adjust the size of feed volume, also can confirm to increase or reduce the time of material heat interaction in the barrel according to the speed of user demand adjustment barrel rotational speed, in addition, the utility model discloses still include the switch board in the equipment, but the utility model discloses do not improve this switch board, consequently do not disclose the detail, the technical staff in the field is implementing the utility model discloses the time, it is right to know or should know the switch board of chooseing for use suitable model the utility model discloses a part is controlled.
The above embodiments of the present invention provide an integrated device for cooling slag and drying gypsum in a thermal power plant, which changes the traditional cooling process of high-temperature slag, so that the originally lost slag energy is efficiently utilized, and the waste of heat energy is greatly reduced; waste heat of unused high-temperature furnace slag in a thermal power plant is used for drying and calcining the desulfurized gypsum, so that the drying cost is greatly reduced; meanwhile, the cooling and drying purposes are achieved in one device through heat exchange between two materials, the situation that the cooling and drying of the materials are completed in different devices under the conventional condition is changed, and the investment cost for realizing similar functional projects is greatly saved; the utility model discloses a tractor serves two-purpose, cooling and drying between the different materials for equipment quantity reduces, has reduced the occupation of land space of equipment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. An integrated equipment for slag cooling and gypsum drying of a thermal power plant is characterized by comprising:
the barrel is provided with an inner cavity, a middle cavity and an outer cavity which are concentric, the barrel is installed on an equipment support and can rotate relative to the equipment support, feeding components for pushing materials are arranged in the inner cavity, the middle cavity and the outer cavity, and the inner cavity is communicated with the outer cavity;
the feeding device is used for feeding materials into the barrel; and
and the discharging device is used for outputting materials outwards.
2. The integrated equipment for slag cooling and gypsum drying of a thermal power plant according to claim 1, wherein the end of the cylinder is provided with a tail cover for closing the cylinder, and the tail cover does not follow the cylinder.
3. The integrated plant for slag cooling and gypsum drying of a thermal power plant according to claim 1, wherein the cylinder is mounted on the plant support by a riding wheel device, and the cylinder is driven to rotate by a transmission device.
4. The integrated equipment for slag cooling and gypsum drying of a thermal power plant according to claim 1, wherein the cylinder comprises an outer cylinder, a middle cylinder and an inner cylinder which are coaxial, and gaps are arranged among the outer cylinder, the middle cylinder and the inner cylinder to form the inner cavity, the middle cavity and the outer cavity which are concentric.
5. The integrated equipment for slag cooling and gypsum drying of the thermal power plant according to claim 2, wherein the discharging device comprises a discharging hopper, the discharging hopper is installed at the opening end of the cylinder body and does not follow the cylinder body, a cavity I and a cavity II which are not communicated with each other are arranged in the discharging hopper, the cavity I is communicated with the outer cavity of the cylinder body, the cavity II is communicated with the middle cavity of the cylinder body, and a discharging port I and a discharging port II which correspond to the cavity I and the cavity II are arranged on the discharging hopper.
6. The integrated equipment for slag cooling and gypsum drying of the thermal power plant according to claim 5, wherein the feeding device comprises a feeding mechanism I and a feeding mechanism II, the feeding mechanism I and the feeding mechanism II are respectively installed on the tail cover and the discharging hopper and are respectively used for feeding materials to the middle cavity and the outer cavity.
7. The integrated equipment for slag cooling and gypsum drying of the thermal power plant according to claim 6, wherein a discharging member is arranged at a position of the middle cavity corresponding to the discharging end of the feeding mechanism I, and is used for feeding the material output by the feeding mechanism I into the middle cavity.
8. The integrated equipment for slag cooling and gypsum drying of a thermal power plant according to claim 6, wherein a material transferring member is further provided at a junction of the outer cavity and the inner cavity, for transferring materials from the inner cavity into the outer cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183902.4U CN211373157U (en) | 2019-12-09 | 2019-12-09 | Integrated equipment for cooling slag and drying gypsum of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183902.4U CN211373157U (en) | 2019-12-09 | 2019-12-09 | Integrated equipment for cooling slag and drying gypsum of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211373157U true CN211373157U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922183902.4U Expired - Fee Related CN211373157U (en) | 2019-12-09 | 2019-12-09 | Integrated equipment for cooling slag and drying gypsum of thermal power plant |
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| Country | Link |
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| CN (1) | CN211373157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306927A (en) * | 2019-12-09 | 2020-06-19 | 青岛松灵电力环保设备有限公司 | Integrated equipment for cooling slag and drying gypsum of thermal power plant |
-
2019
- 2019-12-09 CN CN201922183902.4U patent/CN211373157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306927A (en) * | 2019-12-09 | 2020-06-19 | 青岛松灵电力环保设备有限公司 | Integrated equipment for cooling slag and drying gypsum of thermal power plant |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 Termination date: 20201209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |