CN213778577U

CN213778577U - Air supply device for dry-mixed mortar dryer

Info

Publication number: CN213778577U
Application number: CN202022805590.9U
Authority: CN
Inventors: 李群; 周永祥; 徐林
Original assignee: Kunshan Baiyi New Building Materials Co ltd
Current assignee: Kunshan Baiyi New Building Materials Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-23
Anticipated expiration: 2030-11-26

Abstract

The utility model belongs to the technical field of dry-mixed mortar and specifically relates to an air supply arrangement for dry-mixed mortar drying-machine is related to, which comprises a frame, be equipped with the heating cabinet in the frame, the intercommunication has the blast pipe on the heating cabinet, be equipped with the air-blower on the blast pipe, be equipped with on the heating cabinet and be used for communicateing the air-supply line in the air intake of drying-machine, the intercommunication has the return air duct that communicates in the air outlet of drying-machine on the heating cabinet, be equipped with the return air machine on the return air duct. This application has set up the return air duct in the frame, is equipped with the return air machine on the return air duct, and the return air machine can be with sending into the heating cabinet through the return air duct through the drying-machine is gaseous, realizes having reached energy-conserving effect to the cyclic utilization of stoving gas.

Description

Air supply device for dry-mixed mortar dryer

Technical Field

The application relates to the field of dry-mixed mortar, in particular to an air supply device for a dry-mixed mortar dryer.

Background

Dry-mixed mortar is a granular or powdery material prepared by physically mixing dry-screened aggregate (such as quartz sand), inorganic cementing material (such as cement), additive (such as polymer) and the like according to a certain proportion. The dry-mixed mortar can be transported to a construction site in a bag or in bulk form, and can be directly used after being added with water and stirred.

The aggregate used for the dry-mixed mortar cannot be directly used for the production of the dry-mixed mortar due to too high water content, so the aggregate needs to be dried before use, and the water content of the aggregate meets the condition of meeting the production requirement of the dry-mixed mortar. At present, the aggregate of dry-mixed mortar is dried in a manner that the aggregate rotates along with an inner cylinder of a dryer in the dryer, hot air enters the dryer from an air inlet of the dryer to dry the aggregate, and then the hot air is discharged from an air outlet of the dryer.

In view of the above-mentioned related art, the inventor believes that the hot air still contains a large amount of heat after passing through the dryer, and the direct discharge causes a waste of energy.

SUMMERY OF THE UTILITY MODEL

In order to reduce the energy consumption in the dry-mixed mortar drying process, the application provides an air supply device for a dry-mixed mortar dryer.

The application provides a air supply arrangement for dry-mixed mortar drying-machine adopts following technical scheme:

the utility model provides an air supply arrangement for dry-mixed mortar drying-machine, includes the frame, be equipped with the heating cabinet in the frame, the intercommunication has the blast pipe on the heating cabinet, be equipped with the air-blower on the blast pipe, be equipped with on the heating cabinet and be used for communicateing the air-supply line in the air intake of drying-machine, the intercommunication has the backwind pipe that communicates in the air outlet of drying-machine on the heating cabinet, be equipped with the return air fan on the backwind pipe.

Through adopting above-mentioned technical scheme, the air-blower blows in the heating cabinet through the blast pipe with the gas in the air in, and the inside that gas enters into the drying-machine through the air-supply line after the heating of heating cabinet dries the aggregate of dry-mixed mortar. In the air return pipe can be inhaled by the return air blower when gaseous air outlet department through the drying-machine, gaseous can enter into the heating cabinet through the return air pipe, enters into the drying-machine after reheating and carries out reuse, realizes the cyclic utilization to gaseous. The gas still contains a large amount of heats when the air outlet from the drying-machine is discharged, directly discharges or carries out exhaust-gas treatment and all can waste a large amount of heat energy, and gas cyclic utilization can effectively reduce the loss of energy.

Optionally, a water removal tank communicated with the return air pipe is arranged on the return air pipe, and a plurality of inclined water removal plates are arranged on two opposite side walls in the water removal tank at intervals.

Through adopting above-mentioned technical scheme, it is gaseous when drying the aggregate, the moisture of aggregate evaporation can sneak into in gaseous, gaseous can get into the return air duct after coming out in the drying-machine, can pass when circulating in the return air duct and remove the water tank, gaseous when the flow through remove the water board in the water tank, vapor strikes and can become the liquid drop on removing the water board, thereby can reduce the water content of gaseous in the return air duct, make and take away more moisture in can following the drying-machine when the gaseous drying-machine of return air duct circulation again, better drying effect has been reached.

Optionally, a water outlet is formed in the bottom of the water removal tank, and a water storage tank communicated with the water outlet is arranged on the rack.

Through adopting above-mentioned technical scheme, the bottom that the water tank that removes can flow to on the dewatering board flows into the storage water tank inside through the delivery port, and the water that is located the storage water tank inside is difficult to be vaporized once more and gets back to in the gas.

Optionally, be equipped with the drying cabinet that is located dewatering case and deviates from return air machine one side on the return air pipe, be equipped with the silica gel that is used for absorbing water in the drying cabinet, be equipped with the chamber door that can open and shut on the drying cabinet.

Through adopting above-mentioned technical scheme, silica gel can be to the gas that removes the water tank further dry, can change the silica gel in the drying cabinet through the opening and shutting of chamber door.

Optionally, one end of the return air pipe, which is used for communicating with an air outlet of the dryer, is provided with a filter plate.

Through adopting above-mentioned technical scheme, the filter can filter the gas that gets into the return air duct, blocks the rubble and the broken sand that contain in the gas outside the return air duct.

Optionally, a reversing pipe is arranged at one end of the air inlet pipe communicated with the air inlet of the dryer, a baffle plate for plugging the reversing pipe is arranged at one end of the reversing pipe far away from the air inlet pipe, and a plurality of through holes are formed in the side wall of the reversing pipe.

Through adopting above-mentioned technical scheme, it is intraductal that the gas of heating cabinet enters into the switching-over from the air-supply line, the intraductal baffle of switching-over can block gaseous axial motion along the switching-over pipe, and gaseous can enter into the drying-machine through opening on the switching-over pipe lateral wall in, the switching-over pipe can play dispersed gas's effect for gaseous can be more abundant with the aggregate contact in the drying-machine, has promoted gaseous drying efficiency.

Optionally, a burner is arranged on the heating box, and the burner is communicated with natural gas.

Through adopting above-mentioned technical scheme, the combustor can heat the gas that gets into in the heating cabinet.

Optionally, the air return pipe is sleeved with a heat insulation sleeve.

By adopting the technical scheme, the heat loss amount of the gas flowing through the return air pipe can be reduced by the heat insulation sleeve, the heat absorbed when the gas circulates to the heating box is reduced, and the energy-saving effect is achieved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the air return pipe is arranged on the rack, the air return fan is arranged on the air return pipe, and the air return fan can send the air sent out by the dryer into the heating box through the air return pipe, so that the cyclic utilization of the dried air is realized, and the purpose of energy conservation is achieved;

2. this application is through removing water tank and drying cabinet that sets up on the return air duct, has carried out the dewatering operation to the circulating gas through the return air duct for circulating gas has better drying efficiency when getting into the drying-machine once more.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an air supply device for a dry-mixed mortar dryer according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a reversing tube according to an embodiment of the present application.

Fig. 3 is an exploded view of the filter plate of the embodiment of the present application.

Fig. 4 is a schematic structural view of a combustor according to an embodiment of the present application.

FIG. 5 is a cross-sectional view of a water removal tank according to an embodiment of the present application.

Fig. 6 is a schematic structural view of a drying box according to an embodiment of the present application.

Description of reference numerals: 1. a frame; 2. an air supply frame; 3. an air return frame; 4. a heating box; 5. a blast pipe; 6. a blower; 7. an air inlet pipe; 8. a dryer; 9. an air inlet; 10. an air outlet; 11. a discharge port; 12. a reversing tube; 13. a baffle plate; 14. a through hole; 15. a return air duct; 16. a thermal insulation sleeve; 17. a return fan; 18. removing the water tank; 19. a drying oven; 20. a filter plate; 21. a burner; 22. a gas pipe; 23. a dewatering plate; 24. a water storage tank; 25. a drain pipe; 26. a drain valve; 27. a hinge; 28. a box door; 29. a hasp; 30. hooking; 31. a handle; 32. silica gel.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses an air supply device for a dry-mixed mortar dryer. Referring to fig. 1, an air supply arrangement for dry-mixed mortar drying-machine 8, includes frame 1, frame 1 includes air supply frame 2 and return air frame 3, is equipped with heating cabinet 4 on the air supply frame 2, still is equipped with the blast pipe 5 that communicates in heating cabinet 4 on the heating cabinet 4, and blast pipe 5 is connected with the air-blower 6 of locating on air supply frame 2, and air-blower 6 heats in sending into heating cabinet 4 through blast pipe 5 with the gas in the air. An air inlet pipe 7 is communicated with the heating box 4, the air inlet pipe 7 is communicated with an air inlet 9 of the drying machine 8, and an air outlet 10 and a discharge hole 11 are formed in one end, far away from the air inlet 9, of the drying machine 8.

Referring to fig. 1 and 2, a reversing pipe 12 is connected to one end of the air inlet pipe 7 away from the heating box 4, a baffle 13 for plugging the reversing pipe 12 is arranged at one end of the reversing pipe 12 away from the air inlet pipe 7, and a plurality of through holes 14 are formed in the circumferential side wall of the reversing pipe 12. The air entering the air inlet pipe 7 from the heating box 4 enters the dryer 8 through the through holes 14 formed on the circumferential side wall of the reversing pipe 12, the reversing pipe 12 can reduce the flow velocity of the air and disperse the air to ensure that the drying efficiency of the air is better.

Referring to fig. 1 and 3, the air supply device further includes a return air pipe 15 for communicating with the air outlet 10 of the dryer 8, a heat insulation sleeve 16 is arranged outside the return air pipe 15, the return air pipe 15 is communicated with a water removal tank 18 arranged on the return air frame 3, and a return air fan 17 communicated with the return air pipe 15 is arranged on the water removal tank 18. The return air pipe 15 is internally provided with a filter plate 20 close to the air outlet 10 of the dryer 8, and the filter plate 20 can filter impurities such as dust contained in the air.

Referring to fig. 4, a burner 21 for heating the inside of the heating box 4 is disposed on the heating box 4, a gas pipe 22 is communicated with the burner 21, the gas pipe 22 is connected to a natural gas source, and the burner 21 can heat the gas flowing through the heating box 4.

Referring to fig. 5, a plurality of inclined dewatering plates 23 are spaced from two opposite side walls inside the dewatering tank 18, the gas entering the dewatering tank 18 passes through the plurality of dewatering plates 23, when the gas passes through the dewatering plates 23, a part of steam is deposited to be changed into water flow when the gas collides with the dewatering plates 23, and the water flow flows along the inclined surfaces of the dewatering plates 23 and flows to the bottom of the dewatering tank 18. The bottom that removes water tank 18 is hourglass hopper-shaped setting, and has seted up the delivery port in the bottom of removing water tank 18, is equipped with on the return air frame 3 and communicates in the storage water tank 24 of removing water tank 18, and the water that flows to the bottom of removing water tank 18 can be stored temporarily in flowing to storage water tank 24 through the delivery port, and the delivery port is less for the bottom that removes water tank 18, and the water of storing in storage water tank 24 is difficult for vaporizing. The water storage tank 24 is also communicated with a drain pipe 25, the drain pipe 25 is provided with a drain valve 26, and water stored in the water storage tank 24 can be discharged through the drain pipe 25.

Referring to fig. 6, the return duct 15 is further provided with a drying box 19 located between the water removing box 18 and the heating box 4, silica gel 32 for drying air is arranged in the drying box 19, a box door 28 connected with the drying box 19 through a hinge 27 is arranged on the drying box 19, a hasp 29 is arranged on the box door 28, a hook 30 used in cooperation with the hasp 29 is arranged on the drying box 19, and a handle 31 is further arranged on the box door 28. The silica gel 32 in the drying box 19 can be replaced by opening the box door 28.

The implementation principle of the air supply device for the dry-mixed mortar dryer in the embodiment of the application is as follows: the gas entering the heating box 4 from the blast pipe 5 is heated, and the heated gas enters the dryer 8 to dry the aggregate of the dry-mixed mortar. When the air reaches one end of the dryer 8 where the air outlet 10 is located, part of the air is discharged from the discharge port 11 along with the aggregates, and part of the air enters the return air duct 15. When the air flows through the water removal tank 18, moisture is removed, the air after water removal flows into the heating tank 4 through the air return pipe 15, and the air after water removal can enter the dryer 8 again after being heated by the heating tank 4 to dry the aggregate of the dry-mixed mortar. The gas from the dryer 8 contains a large amount of heat, and can be dried again only by absorbing little heat again when being recycled, thereby achieving the effect of energy conservation.

Compared with the prior art, this application has set up return air pipe 15 on return air frame 3, is equipped with return air blower 17 on return air pipe 15, and return air blower 17 can be with sending into heating cabinet 4 through return air pipe 15 through 8 combustion gas of drying-machine in, realizes the cyclic utilization to the stoving gas, has reached energy-conserving effect.

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 air supply arrangement for dry-mixed mortar drying-machine which characterized in that: including frame (1), be equipped with heating cabinet (4) on frame (1), the intercommunication has blast pipe (5) on heating cabinet (4), be equipped with air-blower (6) on blast pipe (5), be equipped with on heating cabinet (4) and be used for communicateing air-supply line (7) in drying-machine (8) air intake (9), be equipped with on heating cabinet (4) and communicate in air outlet (10) return air pipe (15) of drying-machine (8), be equipped with return air fan (17) on return air pipe (15).

2. The air supply device for the dry-mixed mortar dryer according to claim 1, characterized in that: the air return pipe (15) is provided with a water removal tank (18) communicated with the air return pipe (15), and a plurality of inclined water removal plates (23) are arranged on two opposite side walls in the water removal tank (18) at intervals.

3. The air supply device for the dry-mixed mortar dryer according to claim 2, characterized in that: a water outlet is formed in the bottom of the water removing tank (18), and a water storage tank (24) communicated with the water outlet is arranged on the rack (1).

4. The air supply device for the dry-mixed mortar dryer according to claim 2, characterized in that: be equipped with on return air pipe (15) and be located drying cabinet (19) between removing water tank (18) and heating cabinet (4), be equipped with in drying cabinet (19) and be used for absorbent silica gel (32), be equipped with chamber door (28) that can open and shut on drying cabinet (19).

5. The air supply device for the dry-mixed mortar dryer according to claim 1, characterized in that: and a filter plate (20) is arranged at one end of the air return pipe (15) which is used for being communicated with an air outlet (10) of the dryer (8).

6. The air supply device for the dry-mixed mortar dryer according to claim 1, characterized in that: the air-drying machine is characterized in that a reversing pipe (12) is arranged at one end, communicated with an air inlet (9) of the drying machine (8), of the air inlet pipe (7), a baffle (13) for plugging the reversing pipe (12) is arranged at one end, far away from the air inlet pipe (7), of the reversing pipe (12), and a plurality of through holes (14) are formed in the side wall of the reversing pipe (12).

7. The air supply device for the dry-mixed mortar dryer according to claim 1, characterized in that: the heating box (4) is provided with a combustor (21), and the combustor (21) is communicated with natural gas.

8. The air supply device for the dry-mixed mortar dryer according to claim 1, characterized in that: the air return pipe (15) is sleeved with a heat insulation sleeve (16).