CN214038468U - Wind-water combined material cooling machine - Google Patents

Abstract

The invention provides an air-water combined type material cooling machine, which comprises: the casing, the casing has the slant guide slot that transversely sets up the holding tank and with holding tank end connection, holding tank and guide slot intercommunication, just the notch of holding tank corresponds the one end that the boiler bottom was slagging tap to make the slag fall into the tank bottom of holding tank the bottom of holding tank is provided with the cooling layer, still includes drive mechanism, the last scraper blade that is connected with a plurality of intervals and arranges of drive mechanism, adjacent two form the holding area that holds the slag between the scraper blade, the scraper blade with the tank bottom of holding tank offsets with the tank bottom of guide slot, so that drive mechanism during operation, the scraper blade removes to the guide slot respectively from the holding tank, carries the slag. The invention has good cooling effect, does not damage the property of the slag, can save water source, has good environmental protection, does not cause environmental pollution and waste of water resource, and can prevent the slag filter screen from being blocked.

Description

Wind-water combined material cooling machine

Technical Field

The invention relates to an air-water combined type cooling machine which can be widely used for conveying, cooling and comprehensively treating solid wastes such as coal-fired boilers and coal chemical gasification furnaces with the volume of more than 2 kilotons, and is particularly applied to a dry conveying system with large inclination angle, long distance, large output, strong impact resistance and high-efficiency cooling.

Background

With the continuous increase of the boiler capacity, the quantity of the bottom slag is multiplied, and the requirement on the capability of a slag conveying system for dealing with the impact of the coking large slag is higher and higher.

At present, the internationally existing furnace bottom high-temperature waste (slag) conveying equipment for coal-fired boilers and coal chemical gasification furnaces mainly has two forms, one is wet conveying, for example: scraper dragveyer, spiral dragveyer, etc., another is dry conveying, for example, steel belt conveying system, scale bucket conveying system, etc., these two kinds of apparatuses have the following disadvantages:

1. in wet conveying, water cooling is mainly adopted, so that the furnace is directly cooled into water at high temperature, and then the furnace is fished out for conveying, a large amount of waste water and waste of water resource are generated in the process, the service life of a transmission part of equipment is shortened when the transmission part is soaked in the water for a long time, and the economic benefit of the soaked waste slag is extremely low;

2. in dry type conveying, steel belt and scale bucket conveying are mainly adopted, cooling is completely carried out by negative pressure air, when the temperature of materials is too high, a cooling air door on a large machine shell is usually opened, the air inlet amount is increased, the temperature is reduced, the air inlet amount cannot be accurately calculated, a large amount of cooling air enters a hearth, the heat effect of a boiler is influenced, large economic loss is caused, the accumulation surface of high-temperature materials falling on the steel belt or the scale bucket is relatively stable, the negative pressure air can only cool the surface of the materials, the inner layer of the high-temperature materials contacting the steel belt and the scale bucket cannot be cooled, the cooling efficiency is extremely low, the structure of the steel belt and scale bucket conveying is complex and weak, the heat exchange effect is poor due to the adoption of single air cooling, the steel belt and the scale bucket can generate thermal fatigue, and the service life of equipment is seriously influenced.

3. In wet-type transport and dry-type conveying system, the slag falls into conveying system after the slag filter screen of boiler bottom filters, and the bold slag that exists in the slag stops on the slag filter screen under the separation of slag filter screen, causes the filter screen jam, influences the sediment that falls, and then influences the fuel effect of boiler, is unfavorable for production.

Disclosure of Invention

Aiming at the technical problems, the invention provides the air-water combined type cooling machine which has a good cooling effect, does not damage the property of slag, can save water sources, has good environmental protection performance, does not cause environmental pollution and waste of water resources, and can prevent the blocking of a slag filter screen.

In order to achieve the purpose, the invention adopts the technical scheme that: a combined air and water cooling machine comprises: the casing, the casing has the slant guide slot that transversely sets up the holding tank and with holding tank end connection, holding tank and guide slot intercommunication, just the notch of holding tank corresponds the one end of slagging tap of boiler bottom to make the slag fall into the tank bottom of holding tank the bottom of holding tank is provided with the cooling layer that can let in the refrigerant, still includes drive mechanism, the last scraper blade that is connected with a plurality of intervals and arranges of drive mechanism, adjacent two form the holding area that holds the slag between the scraper blade, the scraper blade with the tank bottom of holding tank offsets with the tank bottom of guide slot, so that drive mechanism during operation, the scraper blade removes to the guide slot respectively from the holding tank, carries the slag.

In some embodiments of the present invention, the slag crusher further comprises a crushing mechanism having a plurality of pressing plates connected to the notch of the receiving tank, a slag screen disposed below the crushing mechanism, and a sensor for detecting the presence of large slag on the slag screen, wherein the sensor is electrically connected to the crushing mechanism.

In some embodiments of the invention, the crushing mechanism comprises a connecting frame, the extrusion plates are connected with the connecting frame, the extrusion plates are arranged in two rows in parallel and correspondingly, the crushing mechanism further comprises a driving unit connected with the extrusion plates, when the boiler falls slag, the driving unit drives the extrusion plates to move back and forth so as to separate the two extrusion plates, and when the slag filter screen has large slag, the driving unit drives the extrusion plates to move towards each other so as to extrude the large slag on the slag filter screen.

In some embodiments of the present invention, the apparatus further comprises a controller electrically connected to the transmission mechanism, the crushing mechanism and the sensor.

In some embodiments of the invention, a plurality of air ports are arranged on the side wall of the accommodating groove or the guide groove, an air guide pipe is connected with the discharge end of the guide groove in the guide groove, the air guide pipe is located above the scraper, an air outlet is arranged on the air guide pipe, and the air outlet faces the groove bottom of the guide groove.

In some embodiments of the present invention, a cooling layer is disposed on a side wall of the accommodating groove, and a cooling layer is disposed on a bottom of the guide groove.

In some embodiments of the present invention, the cooling layer includes a cooling cavity, and a partition is disposed in the cooling cavity to form a cooling medium circulation pipeline, and a cooling medium can be introduced into the cooling medium circulation pipeline.

In some embodiments of the invention, the drive mechanism is a chain drive having a drive chain to which the flight is connected.

In some embodiments of the invention, a tensioning mechanism is connected to the chain drive mechanism to tension the drive chain.

In some embodiments of the present invention, an included angle between the accommodating groove and the guide groove is set to be an obtuse angle.

Compared with the prior art, the invention has the advantages and positive effects that:

1. be provided with the cooling layer through the bottom of keeping away from slag one end at the holding tank, when the slag falls into the tank bottom of holding tank on the holding zone between the scraper blade hold the district, under the cooling of cooling layer, the slag cooling, when drive mechanism during operation, the scraper blade removes to the obliquely guide slot respectively from the holding tank, the slag rolls in holding the district, further homogeneity by the cooling layer cold district, the efficiency of cooling slag has been improved, and can not destroy the nature of slag, in the cooling process, the slag does not contact with the refrigerant, the cleanliness factor of refrigerant has been guaranteed, the loss of refrigerant has been avoided, can not cause the waste of environmental pollution and water resource.

2. Through being provided with a plurality of tuyeres on the lateral wall at holding tank or guide slot, be connected with the tuber pipe on the wind gap, be connected with the ooff valve on the tuber pipe, when boiler during operation, can fall slag notch department at the stove bottom and form the negative pressure, introduce holding tank or guide slot with cold wind in the external environment in from the wind gap, further to the slag cooling that rolls in the transportation process, improved cooling efficiency greatly.

3. The notch through the holding tank sets up broken mechanism, at the slag filter screen of broken mechanism below to detect through the sensor that big slag exists on the slag filter screen, when the sensor detects that big slag exists and can not fall at the slag filter screen, remove in opposite directions between the stripper plate on the broken mechanism, through the broken big slag of extruded mode, prevent that the slag filter screen from blockking up, guaranteed the smooth and easy nature of slag filter screen slag that falls.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;

fig. 4 is a sectional view of a portion C-C in fig. 2.

In the above figures: 1. a housing; 11. accommodating grooves; 12. a guide groove; 13. a cavity; 14. a cooling layer; 141. a cooling chamber; 142. a partition plate; 143. a refrigerant circulation line; 15. a slag discharging hopper; 16. a tuyere; 17. an air duct; 171. an on-off valve; 18. a cooling layer; 19. a cooling layer; 2. a support; 3. a boiler; 4. a transmission mechanism; 40. a containment region; 41. a squeegee; 42. a drive chain; 43. a drive shaft; 44. a driven shaft; 45. a dragging shaft; 46. a dragging shaft; 47. a drive sprocket; 48. a driven sprocket; 49. dragging the chain wheel; 50. a tensioning mechanism; 501. a hydraulic tensioning shaft; 502. a tension sprocket; 5. a crushing mechanism; 51. a pressing plate; 52. a connecting frame; 53. a drive unit; 6. a slag filter screen; 7. the motor is driven.

Detailed Description

The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the two elements can be directly connected with each other or indirectly connected with each other through an intermediate coal medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An air-water combined type material cooling machine, see fig. 1 to 4, comprises: the machine shell 1, the machine shell 1 has a holding tank 11 horizontally arranged and a slant guide groove 12 connected with the end of the holding tank 11, a cavity 13 is arranged below the bottoms of the holding tank 11 and the guide groove 12, an included angle between the holding tank 11 and the guide groove 12 is arranged in an obtuse angle, wherein the bottoms of the holding tank 11 and the guide groove 12 are arranged in a plane, the holding tank 11 is communicated with the guide groove 12, the machine shell 1 corresponding to the guide groove 12 is supported by a bracket 2, and the notch of the holding tank 11 corresponds to the slag-tapping end of the bottom of the boiler 3, so that the slag falls into the bottom of the holding tank 11, a cooling layer 14 capable of leading in a refrigerant is arranged at the bottom of the holding tank 11, an opening is arranged at one end of the guide groove 12 far away from the holding tank 11, a slag-tapping hopper 15 is connected on the opening, the machine shell further comprises a transmission mechanism 4, a plurality of scrapers 41 arranged at intervals are connected on the transmission mechanism 4, so that a holding area 40 for holding slag is formed between two adjacent scrapers 41, the slag falls into the containing area 40, the scraper 41 is pressed against the bottom of the containing groove 11 and the bottom of the guide groove 12, so that when the transmission mechanism 4 is operated, the scrapers 41 move from the holding tank 11 to the guide grooves 12, respectively, to convey slag, by providing the cooling layer 14 at the bottom of the holding tank 11, which is remote from the slag end, to cool the bottom of the holding tank 11, when the slag falls into the holding area 40 between the scrapers 41 on the bottom of the holding tank 11, under the cooling of the cooling layer 14, the slag is cooled, when the transmission mechanism 4 works, the scrapers 41 move from the accommodating groove 11 to the guide grooves 12 respectively, the slag rolls in the accommodating area 40, the cooled area of the cooled layer 14 is further uniform, the efficiency of cooling the slag is improved, the property of the slag is not damaged, in the cooling process, the slag is not contacted with the refrigerant, so that the cleanliness of the refrigerant is ensured, the loss of the refrigerant is avoided, and the environmental pollution and the waste of water resources are avoided.

Still including connecting the broken mechanism 5 that has a plurality of stripper plates 51 on holding tank 11's notch, set up in the slag filter screen 6 of broken mechanism 5 below, and be used for detecting the sensor that big slag exists the condition on the slag filter screen 6, sensor and broken mechanism 5 electric connection, set up broken mechanism 5 through the notch at holding tank 11, set up slag filter screen 6 in broken mechanism 5 below, and detect big slag existence condition on the slag filter screen 6 through the sensor, when the sensor detects that there is big slag to exist slag filter screen 6 and can not fall down, move in opposite directions between the stripper plates 51 on broken mechanism 5, through the broken big slag of extruded mode, prevent that slag filter screen 6 from blockking up, the smooth and easy nature of slag filter screen 6 sediment has been guaranteed.

Further, crushing mechanism 5 includes link 52, stripper plate 51 and link 52 sliding connection, stripper plate 51 is two rows of and corresponds the setting side by side, still include the drive unit 53 who is connected with stripper plate 51, drive unit 53 can be the pneumatic cylinder, also can the cylinder, or be other mechanisms that can stretch out and draw back, when boiler 3 slag fall, drive unit 53 drives stripper plate 51 and moves back and forth, so that two stripper plates 51 separate, slag filter 6 corresponds with the slag falling mouth of boiler 3, be used for filtering the slag, when slag filter 6 has big slag to exist, drive unit 53 drives stripper plate 51 and moves towards each other, so that two stripper plates 51 move towards each other, after the broken big slag of extrusion, two stripper plates 51 offset, make the big slag on the filter screen slag 6 obtain effective extrusion breakage, guaranteed the smoothness of slag filter 6.

In this embodiment, the crusher further comprises a controller, the controller is not shown in the figure, and the controller is electrically connected with the transmission mechanism 4, the crushing mechanism 5 and the sensor, so as to facilitate automatic control, save the action time and improve the working efficiency.

In order to prevent the dust problem of the slag during the conveying process, a cover plate can be connected to the notch of the guide groove 12 to solve the dust problem, and the cover plate is not shown in the figure.

In order to further cool the slag, a plurality of air ports 16 are arranged on the side wall of the accommodating tank 11 or the guide groove 12, an air pipe 17 is connected to the air ports 16, a switch valve 171 is connected to the air pipe 17, when the boiler 3 works, negative pressure is formed at the slag falling port of the furnace bottom, cold air in the external environment is led into the accommodating tank 11 or the guide groove 12 from the air ports 16, the slag is further cooled, an air guide pipe is connected to the discharge end of the guide groove 12 in the guide groove 12, the other end of the air guide pipe is close to the slag falling port of the furnace bottom, the air guide pipe is positioned above the scraper 41, an air outlet is arranged on the air guide pipe, the air outlet faces the bottom of the guide groove 12, when the boiler 3 works, negative pressure is formed at the slag falling port of the furnace bottom, the cold air in the external environment is led into the guide groove 12 from the discharge end of the guide groove 12 through the air guide pipe, and the slag in the guide groove is cooled.

In order to increase the cooling effect, the cooling layer 18 is provided on the side wall of the holding tank 11 and the cooling layer 19 is provided on the bottom of the guide groove 12, which reduces the temperature in the holding tank 11 and in the guide groove 12, and thus reduces the temperature of the slag during the conveying process.

Further, the structure of the cooling layer 14, 18, 19 is the same, taking the cooling layer 14 as an example, it includes the inclosed cooling cavity 141, be provided with the baffle 142 in the cooling cavity 141 to form the refrigerant circulation pipeline 143 in the bottom of holding tank 11, can let in the refrigerant circulation pipeline 143, the refrigerant can be cooling water also can be other refrigerants, for mode heat gives off, can set up the heat preservation in cooling cavity 141 near cavity 13 one end, the heat preservation can be foam, also can be expanded material.

In the present embodiment, the transmission mechanism is a chain transmission mechanism 4 having a transmission chain 42, the chain transmission mechanism is driven by a driving motor 7, the chain transmission mechanism comprises a driving shaft 43, a driven shaft 44 and two dragging shafts 45, 46 which are arranged on the machine shell 1, wherein, the driving shaft 43 is positioned in the cavity 13 of the machine shell 1 close to one end of the slag discharging hopper 15, the driving shaft 43 is driven by the driving motor 7, the driven shaft 44 is arranged in the cavity 13 of the machine shell 1 far away from one end of the slag discharging hopper 15, the two dragging shafts 45 and 46 are both positioned close to the joint of the accommodating groove 11 and the guide groove 12, and both ends of the driving shaft 43 are connected with a driving sprocket 47, both ends of the driven shaft 44 are respectively connected with a driven sprocket 48, both ends of the two dragging shafts 45, 16 are respectively connected with two dragging sprockets 49, the driving sprocket 47, the driven sprocket 48 and the dragging sprockets 49 are connected through a transmission chain 42, and the scraper 41 is connected with the transmission chain 42.

Further, a tensioning mechanism 50 is connected to the chain transmission mechanism, the tensioning mechanism 50 includes a hydraulic tensioning shaft 501, and a tensioning sprocket 502 connected to the hydraulic tensioning shaft 501, the tensioning sprocket 502 is connected to the transmission chain 42 to tension the transmission chain 42.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. The utility model provides a geomantic omen is united formula cold material machine which characterized in that includes: the casing, the casing has the slant guide slot that transversely sets up the holding tank and with holding tank end connection, holding tank and guide slot intercommunication, just the notch of holding tank corresponds the one end that the boiler bottom was slagging tap to make the slag fall into the tank bottom of holding tank the bottom of holding tank is provided with the cooling layer, still includes drive mechanism, the last scraper blade that is connected with a plurality of intervals and arranges of drive mechanism, adjacent two form the holding area that holds the slag between the scraper blade, the scraper blade with the tank bottom of holding tank offsets with the tank bottom of guide slot, so that drive mechanism during operation, the scraper blade removes to the guide slot respectively from the holding tank, carries the slag.

2. The combined air and water chiller according to claim 1, wherein: still including connect in the broken mechanism that has a plurality of stripper plates on the notch of holding tank, set up in the slag filter screen of broken mechanism below to and be used for detecting the sensor that big slag exists on the slag filter screen, the sensor with broken mechanism electric connection.

3. The combined air and water chiller according to claim 2, wherein: broken mechanism includes the link, the stripper plate with the link is connected, just the stripper plate is two rows and corresponds the setting side by side, still includes the drive unit who is connected with the stripper plate, when the boiler slag that falls, the drive unit drive the stripper plate moves mutually away to make two stripper plate separation, when the slag filter screen has big slag to exist, the drive unit drive the stripper plate moves in opposite directions, extrudes big slag on the slag filter screen.

4. The combined air and water chiller according to claim 3, wherein: the crushing device is characterized by further comprising a controller, wherein the controller is electrically connected with the transmission mechanism, the crushing mechanism and the sensor.

5. The combined air and water chiller according to claim 1, wherein: and a plurality of air ports are arranged on the side wall of the accommodating groove or the guide groove.

6. The combined air and water chiller according to claim 1, wherein: be provided with the cooling layer on the lateral wall of holding tank, just the tank bottom of guide slot is provided with the cooling layer.

7. The combined air and water chiller according to any one of claims 1 or 6, wherein: the cooling layer comprises a cooling cavity, a partition plate is arranged in the cooling cavity to form a refrigerant circulating pipeline, and a refrigerant can be introduced into the refrigerant circulating pipeline.

8. The combined air and water chiller according to claim 1, wherein: the transmission mechanism is a chain transmission mechanism with a transmission chain, and the scraper is connected with the transmission chain.

9. The combined air and water chiller according to claim 8, wherein: and the chain transmission mechanism is connected with a tensioning mechanism to tension the transmission chain.

10. The combined air and water chiller according to claim 1, wherein: the contained angle between holding tank and the guide slot sets up to the obtuse angle.

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