CN215467923U

CN215467923U - Preheating furnace with vertically superposed double-cavity formwork

Info

Publication number: CN215467923U
Application number: CN202121957829.2U
Authority: CN
Inventors: 王磊; 王峥; 方松; 徐洋; 曹成杰
Original assignee: Hefei Facerom Thermal Equipment Co ltd
Current assignee: Hefei Facerom Thermal Equipment Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-11
Anticipated expiration: 2031-08-20

Abstract

The application relates to an up-down superimposed double-cavity formwork preheating furnace, which comprises a preheating furnace body, wherein a first cavity and a second cavity are sequentially arranged in the preheating furnace body from top to bottom, a filter box is installed on the upper surface of the preheating furnace body through a support plate, a first smoke exhaust pipe and a second smoke exhaust pipe are respectively communicated between one side of the filter box and the first cavity and the second cavity, a smoke filtering mechanism is arranged on the filter box and comprises a wind outlet pipe arranged on the other side of the filter box, a filter screen is arranged on the outer wall of one side of the wind outlet pipe positioned in the filter box, a middle position bearing of the filter screen is connected with a rotating shaft, a cleaning plate and a plurality of fan blades are arranged on the outer wall of the rotating shaft, the preheating furnace can filter and collect impurities in smoke, reduce the pollution of the impurities in the smoke to the environment, and can also collect water condensed by steam, and the condensing plate and the strip-shaped baffle are sprayed and cleaned, so that the utilization rate of water resources is improved.

Description

Preheating furnace with vertically superposed double-cavity formwork

Technical Field

The application relates to the technical field of preheating furnaces, in particular to an upper and lower superposed double-cavity formwork preheating furnace.

Background

When the mould shell is processed, one working link is to preheat the mould shell through a preheating furnace, and the preheating and heat preservation of the mould shell mainly has two functions: firstly, drying the mould shell, evaporating water vapor entering the mould shell in the moulding process, and avoiding air holes generated by excessive water vapor in the later pouring process; and secondly, the temperature of the mold shell is increased, and molten liquid splashing and casting cracking in the casting process caused by large temperature difference between the mold shell and the casting liquid are avoided.

However, when the existing preheating furnace for the formwork is used, the flue gas generated during preheating the formwork is inconvenient to filter, and the water vapor generated during preheating is inconvenient to collect. Accordingly, one skilled in the art provides a preheating furnace with two superimposed cavities to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the application provides a preheating furnace with upper and lower overlapped double-cavity formworks.

The application provides a two-chamber mould shell preheater superposes from top to bottom adopts following technical scheme:

a preheating furnace with superposed double-cavity formworks comprises a preheating furnace body, a first cavity and a second cavity are sequentially arranged in the preheating furnace body from top to bottom, a filter box is arranged on the upper surface of the preheating furnace body through a support plate, and a first smoke exhaust pipe and a second smoke exhaust pipe are respectively communicated between one side of the filter box and the first cavity and between one side of the filter box and the second cavity, the filter box is provided with a smoke filtering mechanism which comprises an air outlet pipe arranged at the other side of the filter box, and the outer wall of one side of the air outlet pipe positioned in the filter box is provided with a filter screen, the middle position of the filter screen is connected with a rotating shaft through a bearing, and the outer wall of the rotating shaft is provided with a cleaning plate and a plurality of fan blades, the cleaning plate is attached to the outer side wall of the filter screen, and a plurality of flabellums are located the inside of air-out pipe, the one end of pivot is connected with driving motor's output, and driving motor passes through connecting rod and air-out pipe fixed connection.

Through adopting above-mentioned technical scheme, driving motor drives the axis of rotation and rotates, and the axis of rotation drives flabellum, clean board and rotates, and the flabellum inhales out the inside of tuber pipe with the flue gas, and at this moment, the filter screen filters the impurity in the flue gas, and clean board rotates and sweeps away adnexed impurity on the filter screen, and the flue gas after the filtration is arranged to external world through going out the tuber pipe, reduces the pollution of the impurity in the flue gas to the environment.

Preferably, be equipped with a plurality of condensing panels between two upper and lower inner walls of rose box, and a plurality of condensing panels all with first exhaust pipe, second exhaust pipe are parallel, the both sides wall of condensing panel all is equipped with a plurality of bar baffles, and a plurality of bar baffles between two adjacent condensing panels are crisscross setting.

Through adopting above-mentioned technical scheme, the time of the multiplicable flue gas of a plurality of condensation plates, the crisscross bar baffle that sets up and condensation plate contact can carry out preliminary blockking to the impurity in the flue gas, is favorable to the impurity in the flue gas to fall in the inside of rose box.

Preferably, a spray pipe is arranged between every two adjacent condensation plates, a plurality of nozzles facing downwards are arranged on the outer wall of each spray pipe, the spray pipes are communicated with a water inlet pipe through a water separator, and a suction pump is arranged on the water inlet pipe.

Through adopting above-mentioned technical scheme, can be convenient for spray the washing to the outer wall of condensation plate, bar baffle.

Preferably, the upper surface of the preheating furnace body is further provided with a water storage tank, an inclined pipe is arranged between the water storage tank and the filter box, the inner wall of the water storage tank is provided with a sundry filtering net, the sundry filtering net is located below the inclined pipe, one side of the sundry filtering net is provided with a sundry discharging pipe, one side of the bottom wall in the water storage tank is provided with a water discharging pipe, valves are arranged on the sundry discharging pipe and the water discharging pipe, and the water inlet pipe extends to the bottom of the water storage tank.

Through adopting above-mentioned technical scheme, all be equipped with the valve on trash discharging pipe, the drain pipe, can be convenient for collect water to filter the edulcoration to water.

Preferably, the inner bottom wall of the filter box, the inner bottom wall of the water storage tank and the impurity filtering net are all inclined planes.

Through adopting above-mentioned technical scheme, can be convenient for water, impurity flow rose box, storage water tank.

To sum up, the application comprises the following beneficial technical effects:

1. through the condensation plate and the strip-shaped baffle plates arranged in a staggered mode, the contact time of the smoke and the condensation plate can be prolonged, and further, impurities in the smoke can be blocked preliminarily, the impurities in the smoke can fall in the filter box, the fan blades and the cleaning plate are driven to rotate through the rotating shaft, the smoke is sucked into the air outlet pipe by the fan blades, the impurities in the smoke are filtered by the filter screen, the impurities attached to the filter screen are swept away by the rotation of the cleaning plate, the filtered smoke is exhausted to the outside through the air outlet pipe, and the pollution of the impurities in the smoke to the environment is reduced;

2. the water vapor in the flue gas is condensed by the condensing plate, and the water formed after the water vapor is condensed falls on the bottom of the filter box and flows into the water storage tank through the inclined pipe, so that the water condensed by the water vapor is collected;

3. draw the water in the storage water tank through the extraction pump, water sprays cleanly to condensation plate, bar baffle through inlet tube, water knockout drum, shower, nozzle, has improved the utilization ratio of water resource, and the result of use is comparatively excellent.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of a filter box in the embodiment of the present application;

FIG. 3 is a schematic top view of a riser and a strip baffle in the embodiment of the present application;

fig. 4 is an enlarged schematic structural diagram at a in fig. 2 in the embodiment of the present application.

Description of reference numerals: 1. a preheating furnace body; 2. a first smoke exhaust pipe; 3. a second smoke exhaust pipe; 4. a filter box; 5. a water storage tank; 51. an inclined tube; 52. filtering the impurity net; 53. a trash removal pipe; 54. a drain pipe; 6. an air outlet pipe; 61. a filter screen; 62. a rotating shaft; 63. a fan blade; 64. cleaning the plate; 65. a drive motor; 7. a condensing plate; 71. a strip-shaped baffle plate; 8. a water inlet pipe; 81. a pump; 82. a water separator; 83. and (4) a spray pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an upper and lower superimposed double-cavity formwork preheating furnace. Referring to fig. 1-4, a preheating furnace with overlapped double cavities comprises a preheating furnace body 1, a first cavity and a second cavity are sequentially arranged in the preheating furnace body 1 from top to bottom, a filter box 4 is mounted on the upper surface of the preheating furnace body 1 through a support plate, a first smoke exhaust pipe 2 and a second smoke exhaust pipe 3 are respectively communicated between one side of the filter box 4 and the first cavity and the second cavity, a smoke filtering mechanism is arranged on the filter box 4 and comprises an air outlet pipe 6 arranged on the other side of the filter box 4, a filter screen 61 is arranged on the outer wall of one side of the air outlet pipe 6 positioned in the filter box 4, a middle position bearing of the filter screen 61 is connected with a rotating shaft 62, a cleaning plate 64 and a plurality of fan blades 63 are arranged on the outer wall of the rotating shaft 62, the cleaning plate 64 is attached to the outer side wall of the filter screen 61, the fan blades 63 are positioned in the air outlet pipe 6, one end of the rotating shaft is connected with the output end of a driving motor 65, and the driving motor 65 is fixedly connected with the air outlet pipe 6 through a connecting rod.

Referring to fig. 2-3, be equipped with a plurality of condensation plates 7 between the upper and lower two inner walls of rose box 4, and a plurality of condensation plates 7 all with first exhaust pipe 2, the second is discharged fume and is managed 3 parallelly, the both sides wall of condensation plate 7 all is equipped with a plurality of bar baffles 71, and a plurality of bar baffles 71 between two adjacent condensation plates 7 are the setting of handing over to be crisscross, a plurality of condensation plates 7, the bar baffle 71 of crisscross setting can increase the time of flue gas and condensation plate 7 contact, can carry out preliminary stopping to the impurity in the flue gas, be favorable to the impurity in the flue gas to fall in rose box 4's inside.

Referring to fig. 2-3, a spray pipe 83 is arranged between two adjacent condensation plates 7, a plurality of nozzles facing downward are arranged on the outer wall of the spray pipe 83, the spray pipe 83 is communicated with the water inlet pipe 8 through a water separator 82, and an extraction pump 81 is arranged on the water inlet pipe 8, so that the outer walls of the condensation plates 7 and the strip-shaped baffle plates 71 can be conveniently sprayed and cleaned.

Referring to fig. 1-2, the preheating furnace body 1 is further provided with a water storage tank 5 on the upper surface thereof, an inclined pipe 51 is arranged between the water storage tank 5 and the filter box 4, an impurity filtering net 52 is arranged on the inner wall of the water storage tank 5, the impurity filtering net 52 is positioned below the inclined pipe 51, an impurity discharging pipe 53 is arranged on one side of the impurity filtering net 52, a drain pipe 54 is arranged on one side of the inner bottom wall of the water storage tank 5, the water inlet pipe 8 extends to the bottom of the water storage tank 5, and valves are arranged on the impurity discharging pipe 53 and the drain pipe 54, so that water can be conveniently collected and filtered to be purified.

Referring to fig. 2, the inner bottom wall of the filtering box 4, the inner bottom wall of the water storage tank 5 and the impurity filtering net 52 are all inclined surfaces, so that water and impurities can flow out of the filtering box 4 and the water storage tank 5 conveniently.

The implementation principle of the preheating furnace with the vertically superposed double-cavity formwork in the embodiment of the application is as follows: the extraction pump 81 and the driving motor 65 are electrically connected with an external power supply, when the preheating furnace body 1 preheats the mold shell, the flue gas and the vapor generated during preheating of the mold shells in the first cavity and the second cavity are discharged into the filter box 4 through the first smoke exhaust pipe 2 and the second smoke exhaust pipe 3, the flue gas needs to pass through the condensing plate 7 and the strip-shaped baffle plate 71 before passing through the filter screen 61, the contact time of the flue gas and the condensing plate 7 can be prolonged by the plurality of condensing plates 7 and the strip-shaped baffle plates 71 which are arranged in a staggered mode, further, the impurities in the flue gas can be primarily blocked, the impurities in the flue gas can be favorably fallen into the filter box 4, the driving motor 65 is started, the driving motor 65 drives the rotating shaft 62 to rotate, the rotating shaft 62 drives the fan blades 63 and the cleaning plate 64 to rotate, the fan blades 63 suck the flue gas into the air outlet pipe 6, at the moment, the filter screen 61 filters the impurities in the flue gas, the cleaning plate 64 rotates to sweep impurities attached to the filter screen 61, the filtered flue gas is discharged to the outside through the air outlet pipe 6, and pollution of the impurities in the flue gas to the environment is reduced, wherein the condensing plate 7 can condense water vapor in the flue gas, the water formed by condensation of the water vapor falls on the bottom of the filter box 4 and flows into the water storage tank 5 through the inclined pipe 51, the impurity filtering net 52 filters the impurities in the water, the impurities can be discharged by opening the valve on the impurity discharging pipe 53, the filtered water immediately falls on the bottom of the water storage tank 5, the valve on the water discharging pipe 54 is opened to discharge the water, the extraction pump 81 is started to extract the water in the water storage tank 5 through the water inlet pipe 8, the water passes through the water inlet pipe 8, the water distributor 82, the spraying pipe 83 and the nozzle to spray and clean the condensing plate 7 and the strip-shaped baffle 71, and the utilization rate of water resources is improved, the use effect is excellent.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an upper and lower stack two-chamber mould shell preheater, includes preheater body (1), and the inside of preheater body (1) is from last down being equipped with first cavity and second cavity, its characterized in that in proper order: the preheating furnace is characterized in that a filter box (4) is installed on the upper surface of the preheating furnace body (1) through a support plate, a first smoke exhaust pipe (2) and a second smoke exhaust pipe (3) are respectively communicated between one side of the filter box (4) and the first cavity and the second cavity, a smoke filtering mechanism is arranged on the filter box (4), the smoke filtering mechanism comprises a wind outlet pipe (6) arranged on the other side of the filter box (4), a filter screen (61) is arranged on the outer wall of one side, located inside the filter box (4), of the wind outlet pipe (6), a rotating shaft (62) is connected to a middle position bearing of the filter screen (61), a cleaning plate (64) and a plurality of fan blades (63) are arranged on the outer wall of the rotating shaft (62), the cleaning plate (64) is attached to the outer side wall of the filter screen (61), the fan blades (63) are located inside the wind outlet pipe (6), one end of the rotating shaft is connected with an output end of a driving motor (65), and the driving motor (65) is fixedly connected with the air outlet pipe (6) through a connecting rod.

2. The preheating furnace with upper and lower overlapped double-cavity formworks as claimed in claim 1, wherein: be equipped with a plurality of condensing panels (7) between the upper and lower two inner walls of rose box (4), and a plurality of condensing panels (7) all discharge fume tub (3) with first fume pipe (2), second and be parallel, the both sides wall of condensing panel (7) all is equipped with a plurality of bar baffles (71), and a plurality of bar baffles (71) between two adjacent condensing panels (7) are the setting of staggering.

3. The preheating furnace with upper and lower overlapped double-cavity formworks as claimed in claim 2, wherein: adjacent two all be equipped with shower (83) between condensation plate (7), the outer wall of shower (83) is equipped with a plurality of nozzles towards the below, and shower (83) pass through water knockout drum (82) and inlet tube (8) intercommunication, be equipped with extraction pump (81) on inlet tube (8).

4. The preheating furnace with upper and lower overlapped double-cavity formworks as claimed in claim 3, wherein: the preheating furnace is characterized in that a water storage tank (5) is further arranged on the upper surface of the preheating furnace body (1), an inclined pipe (51) is arranged between the water storage tank (5) and the filter box (4), an impurity filtering net (52) is arranged on the inner wall of the water storage tank (5), the impurity filtering net (52) is located below the inclined pipe (51), an impurity discharging pipe (53) is arranged on one side of the impurity filtering net (52), a drain pipe (54) is arranged on one side of the inner bottom wall of the water storage tank (5), valves are arranged on the impurity discharging pipe (53) and the drain pipe (54), and the water inlet pipe (8) extends to the bottom of the water storage tank (5).

5. The preheating furnace with superimposed double-cavity formworks as claimed in claim 4, wherein: the inner bottom wall of the filter box (4), the inner bottom wall of the water storage tank (5) and the impurity filtering net (52) are all inclined surfaces.