CN2182969Y

CN2182969Y - Hot air circulation type drying machine

Info

Publication number: CN2182969Y
Application number: CN 93243536
Authority: CN
Inventors: 叶清水
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-10-30
Filing date: 1993-10-30
Publication date: 1994-11-16
Anticipated expiration: 2003-10-30

Abstract

The utility model relates to a hot air circulation type drying machine, a heater thereof is arranged outside of a charging pail; the hot wind delivered out by the heater is delivered to the charging pail by making use of the wind delivering loop which is provided with a blade motor for wind sucking and exhausting; the hot air in the charging pail can be sucked to the heater any longer; thereby, the circulating hot air can be obtained. Simultaneously, a filter box is added on the wind delivering loop; the hot wind sucked back by the charging pail can be delivered to the heater after filtered by the filter box. The hot air delivered by the wind delivering loop can be inputted from the position near to the bottom of the charging pail; the hot air can be uniformly whiffed upwards by making use an umbrella-shaped leading plate which is arranged at the bottom of the charging pail and is provided with a via hole.

Description

Hot air circulation type drying machine

The utility model relates to a kind of drying machine, particularly a kind of heated air circulation type drying machine.

Existing a kind of heated air circulation type drying machine as shown in Figure 1, wherein, heater 10 directly is inserted in charging basket 11 inside, and separate ring flat-plate 12 by one and separate, be located at the suction fan blade motor 13 on charging basket 11 tops and carry air to charging basket 11, the heating of heater via 10 and form hot blast, hot blast is after entering charging basket 11 by the through hole 121 of separating ring flat-plate 12, just can heat the raw material in the charging basket 11, reach dry effect.Simultaneously, the hot blast that enters charging basket 11 flows because of the suction of suction fan blade motor 13 makes progress, and discharge through the dividing plate 111 of blocking on charging basket 11 tops, heated by heater 10 once more and enter in the charging basket 11, like this, the raw material in the charging basket 11 is under the lasting heating of this circulating air, make its contained moisture content all can discharge charging basket 11 with hot blast, so that raw material drying, and the continuous circulation of mat hot blast in charging basket 11, also can have energy-conservation effect.Because of the dry-heat air that is produced is not thrown into the external world, therefore can keep room temperature and air quality again, to obtain the good working environment.After the existing this drying machine listing, though have above-mentioned effect, but still have some shortcomings: first heat drying is even inadequately, this is because described drying machine when heating in heater 10, it is different with the distance of heater 10 to separate ring flat-plate 12 upper/lower terminals, the difference that causes the hot blast temperature of the through hole 121 by separating ring flat-plate 12, temperature near the suffered hot blast of the raw material of separating ring flat-plate 12 tops is higher, more easily make raw material that caking improperly takes place, the hot blast temperature suffered near the raw material of separating ring flat-plate 12 bottoms is then lower, makes heating inhomogeneous.And when raw material dyes or add other compound, making an addition to particle major part in the charging basket 11 is barred from and blocks under the dividing plate 111, but there are more small colorant of some particles or the compound can be by blocking dividing plate 111, carry and keep somewhere through hot blast in the inside of suction fan blade motor 13, and cause suction fan blade motor 13 to need disassembly, cleaning, colorant that described particle is small or compound even also can be built-up in the conveying of hot blast on the heater 10, just produce black smoke during heater 10 heating, so that the raw material in the whole charging basket 11 is polluted and scraps.

Put it briefly, also there is following shortcoming in above-mentioned heated air circulation type drying machine textural:

(1) uneven drying: inequality because of the distance of the separation ring flat-plate of described drying machine and heater, make by the different inequalities that are easy to generate heat drying of the hot blast temperature of the raw material in the charging basket.

(2) material has contaminated possibility: when adding colorant or other compound in charging basket, wherein less colorant or the compound of particle may be built-up on the surface of heater by blocking dividing plate, make heater when heating, the colorant or the compound that are built-up on the heater directly are heated burning and produce black smoke, and then cause raw material in the charging basket to be subjected to black smoke pollution and scrap, cause the waste of raw material.

(3) foreign material in the easy-clear charging basket not: when material is doped with other impurity, impurity is just blocked that dividing plate intercepts and when attaching on it, with the passing of time just can block via, therefore need regularly to remove, but be the inside top surface that is positioned at charging basket because of blocking dividing plate, when removing operation, must pull down the end face of charging basket, can remove and block foreign material on the dividing plate, and when pulling down the end face of charging basket, must note establishing thereon suction fan blade motor and the not impaired ring of pipeline of binding, therefore quite inconvenience again.

But being to provide a kind of, main purpose of the present utility model can block the foreign material heated air circulation type drying machine of homogeneous heating again.

A kind of heated air circulation type drying machine of the present utility model, comprise for the hopper that stores material, the suction fan blade motor in the defeated wind loop is located in the defeated wind loop that is communicated with hopper, and is installed in the defeated wind loop and is positioned at heater on the air draft path of suction fan blade motor; Be characterized in that also be provided with a Rose Box in the defeated wind loop, the position of described Rose Box is the suction inlet the place ahead at suction fan blade motor.

Defeated wind loop comprises input pipe and backwind tube, and the port of export of input pipe is the place, nearly bottom that is connected with in charging basket, and its arrival end is to be communicated with the exhaust duct of suction fan blade motor; Backwind tube one end is connected with the top in charging basket, and its other end is connected with in Rose Box, and described heater cartridge is located on the input pipe.

Rose Box comprises mud chamber and filter chamber, the port of export of backwind tube is communicated with the mud chamber, suction fan blade motor is fixedly arranged on the end face outside of mud chamber, be positioned at a side of filter chamber, described mud chamber is communicated with the filter chamber, the inside filling of described filter chamber has filtrate, is installed with the filter screen of fine mesh in a side of filtrate, and the suction inlet of suction fan blade motor touches the another side in described filter screen.

Side in Rose Box is pivoted with able to turn on or off chamber door, described chamber door opens and closes the same end face of filter chamber and mud chamber simultaneously, when chamber door sealing filter chamber and mud chamber, the chamber door inner face all maintains the gap therewith between two Room, the filter chamber utilizes this gap with the mud chamber and is communicated with, at the inner face of the chamber door filter that also has been sticked, after chamber door covered, described filter tamped aforementioned gap.

One end of the input pipe in defeated wind loop penetrates in the mud chamber of Rose Box, and connects with the exhaust duct of suction fan blade motor.

Below by a most preferred embodiment and in conjunction with its accompanying drawing characteristics of the present utility model and purpose are described in detail.

Fig. 1 is the generalized section of existing heated air circulation type drying machine;

Fig. 2 is the schematic diagram of the utility model preferred embodiment;

Fig. 3 is the preferable enforcement of a utility model part elevation view just;

Fig. 4 is Fig. 3 along the cutaway view that IV-the IV line is looked.

At first, see also Fig. 2, as shown in the figure, the utility model comprises can be for storing the hopper 2 of material, and suction fan blade motor 4, the Rose Box 5 failed in the wind loop 3 are located in the defeated wind loop 3 that is communicated with hopper 2, and main member such as heater 6.Wherein, the top of hopper 2 is provided with feed pipe 21, material enters the hopper 2 from described feed pipe 21, offer a blanking port 22 in the bottom of hopper 2, for material output after drying, in the hopper 2 of described blanking port 22 tops, be provided with a umbrella shape guided plate 23, offer a plurality of through holes 24 on the inclined-plane, both sides of described umbrella shape guided plate 23.Defeated wind loop 3 comprises input pipe 31 and backwind tube 32, and the port of export of input pipe 31 is connected with in place, charging basket 2 nearly bottom, and is positioned at the below of umbrella shape guided plate 23, and its arrival end is communicated with the exhaust duct 41 of suction fan blade motor 4.Backwind tube 32 1 ends are connected with in the top of charging basket 2, and the other end is connected with on Rose Box 5.Heater 6 is installed on the appropriate location of input pipe 31.

Please consult Fig. 3 more simultaneously, as shown in the figure, the Rose Box 5 of present embodiment is to be like L shaped casing, connect an intrinsic control cabinet 7 at the one side, control circuit in the mat control cabinet 7 is with the action of control drying machine, because its control circuit structure is a kind of easy switch control, all persons skilled in the art can both easily assemble and finish, so do not repeat them here.Another side of Rose Box 5 is pivoted with one for the chamber door 53 that opens and closes, described Rose Box 5 comprises: mud chamber 51 and filter chamber 52, the port of export of backwind tube 32 is to be communicated with mud chamber 51, suction fan blade motor 4 is the end face outsides that are fixedly arranged on mud chamber 51, and be positioned at a side of filter chamber 52, the exhaust duct 41 of suction fan blade motor 4 can be penetrated in the mud chamber 51 simultaneously.

See also Fig. 4, and please can see in conjunction with Fig. 2,3, mud chamber 51 in the utility model Rose Box 5 directly is not communicated with filter chamber 52, simultaneously, the inside of mud chamber 51 is hollow, and input pipe 31 is placed through in the mud chamber 51, and connect with the exhaust duct 41 of suction fan blade motor 4, the inside filling of filter chamber 52 has the filtrate 521 that is made of nonwoven fabric, one side of filtrate 521 is installed with the filter screen 522 of fine mesh, and the suction inlet 42 of suction fan blade motor 4 touches in the opposite side of described filter screen 522.In addition, chamber door 53 can open and close the same end face of filter chamber 52 and mud chamber 51 simultaneously, and when chamber door 53

sealing filter chambers

52 and 51 liang of chambers, mud chamber, chamber door 53 inner faces all keep a gap therewith between two Room, make this two Room can utilize this gap and be communicated with, also can constitute at the inner face of the chamber door 53 filter 531(that also has been sticked by nonwoven fabric), after chamber door 53 covered, described filter 531 can tamp aforementioned gap.Be installed in the heater 6 on input pipe 31 appropriate locations, its heating rod 61 can be stretched and place input pipe 31, makes by the air-flow in the input pipe 31 and all can be heated the heat heating that rod 61 is dispersed.

Shown in above-mentioned each figure, behind the suction fan blade motor 4 and heater 6 that start present embodiment, suction fan blade motor 4 will attract the air in the charging basket 2 to enter in its suction inlet 42 via Rose Box 5, transport in the input pipe 31 by its exhaust duct 41 again, this moment, will be converted to hot blast by heating rod 61 heating of heater 6 by the air-flow in the input pipe 31, and this hot blast enters the bottom of charging basket 2 via input pipe 31, and blow to umbrella shape guided plate 23 bottom surfaces, evenly blow to charging basket 2 inside via a plurality of through holes 24 on the umbrella shape guided plate 23 again, following the backwind tube 32 on charging basket 2 tops again and entering once more in the Rose Box 5, the suction of suction fan blade motor 4, make hot blast in the Rose Box 5 can be in regular turn enter the suction inlet 42 of suction fan blade motor 4 again through mud chamber 51 and filter chamber 52, discharge through its exhaust duct 41 with sucking air, so do action just can make the suction effect of hot blast by suction fan blade motor 4, can constantly circulate in charging basket 2 and defeated wind loop 3; Because heater 6 is located in the input pipe 31, therefore, make that mobile hot blast is sustainable to be heated, to replenish the thermal losses in the flow process, hot blast is maintained in the permissive temperature scope that sets.In addition, an end of input pipe 31 passes through in the mud chamber 51 of Rose Box 5, flows to hot blast waste heat in the mud chamber 51 so can utilize by backwind tube 32, heats the air in the input pipe 31 in advance.After drying machine running appropriate time makes hot blast temperature in it reach the temperature of setting, just material can be sent into the charging basket 2 from the feed pipe 21 on charging basket 2 tops, hot blast in the charging basket 2 blows through material, and the effect of acquisition heat drying, at this moment, hot blast by material enters the mud chamber 51 from backwind tube 32, if when wherein containing bigger foreign material, this foreign material just can precipitate in mud chamber 51, and can not flow with hot blast again, the fine foreign material of other of failing to precipitate, then will enter the filter 531 of chamber door inner face in regular turn with hot blast, filtrate 521 in the filter chamber 52 and screen pack 522, filter through intercepting, form the hot blast of the suction inlet 42 that enters suction fan blade motor 4, just revert to pure hot blast free from foreign meter again with this.In addition, because of hot blast is evenly upwards to be blowed by the through hole on the umbrella shape guided plate 23 of hopper 2 bottoms 24, and this umbrella shape guided plate 23 is positioned at blanking port 22 tops of charging basket 2, before so material is exported via blanking port 22, must be earlier disperse to fall into blanking port 22 outputs again, thereby can make the material in the hopper 2 be heated drying equably via the surface of umbrella shape guided plate 23.

After described drying machine uses a period of time, when removing in the Rose Box 5 foreign material as desire, the chamber door 53 that is hubbed at Rose Box 5 can be opened, just can be easily the filter 531 of chamber door 53 inner faces, filtrate 521 in the filter chamber 52 and screen pack 522 be extracted and clean, or directly replace new filter 531, filtrate 521 and screen pack 522, simultaneously also foreign material in the scavenger precipitation chamber 51 easily, like this, the filter effect that can keep Rose Box 5 lastingly, simultaneously, it is simple and easy again convenient to clean.

From the explanation of above embodiment as can be known, the utility model and existing drying machine do one relatively, and the utility model has following advantage really:

(1) heat drying is even: the hot blast that the utility model is input into charging basket inside is by the temperature input of its bottom to set, and can disperse upwards to blow with a plurality of through holes on the umbrella shape guided plate again, so the material in the dry charging basket of energy homogeneous heating.

(2) effect of filtration hot blast: the utility model mat suction fan blade motor is by the hot blast that sucks back in the charging basket, can before the suction inlet that enters suction fan blade motor, pass through earlier Rose Box, keep somewhere in Rose Box and can be filtered by the foreign material of taking out of in the charging basket, making the hot blast that obtains sending via suction fan blade motor again is pure hot blast, avoid foreign material to be built-up on the heater, not only have and improve the heater effect in service life, the situation of avoiding described drying machine contaminated material is more arranged simultaneously.

(3) cleaning maintenance is easy: Rose Box of the present utility model is to be located at outside the charging basket, is provided with simultaneously able to turn on or off chamber door, if when wanting the cleaning and filtering case or changing its interior filter element, only need open chamber door and just can clean or substitute, quite rapidly easily. Each member of the present utility model mostly is independent installing again, makes maintaining very convenient.

Claims

1, a kind of heated air circulation type drying machine comprises that the suction fan blade motor in the defeated wind loop is located in the defeated wind loop that is communicated with hopper for storing the hopper of material, and is installed in and fails in the wind loop and be positioned at heater on the air draft path of suction fan blade motor; It is characterized in that in the defeated wind loop Rose Box is set also, the position of described Rose Box is the suction inlet the place ahead at suction fan blade motor.

2, heated air circulation type drying machine according to claim 1 is characterized in that: defeated wind loop comprises input pipe and backwind tube, and the port of export of input pipe is connected with the place, nearly bottom in charging basket, and its arrival end is communicated with the exhaust duct of suction fan blade motor; Backwind tube one end is connected with the top in charging basket, and its other end is connected with in Rose Box, and described heater cartridge is located on the input pipe.

3, heated air circulation type drying machine according to claim 2, it is characterized in that: Rose Box comprises mud chamber and filter chamber, the port of export of backwind tube is communicated with the mud chamber, suction fan blade motor is fixedly arranged on the end face outside of mud chamber, be positioned at a side of filter chamber, described mud chamber is connected with the filter chamber, and the inside filling of described filter chamber has filtrate, be installed with the filter screen of fine mesh in a side of filtrate, the suction inlet of suction fan blade motor touches the another side in described filter screen.

4, heated air circulation type drying machine according to claim 2, it is characterized in that: the side in Rose Box is pivoted with able to turn on or off chamber door, described chamber door opens and closes the same end face of filter chamber and mud chamber simultaneously, when chamber door sealing filter chamber and mud chamber, the chamber door inner face all maintains the gap therewith between two Room, the filter chamber utilizes this gap with the mud chamber and is communicated with, at the inner face of the chamber door filter that also has been sticked, after chamber door covered, described filter tamped aforementioned gap.

5, heated air circulation type drying machine according to claim 2 is characterized in that: an end of the input pipe in defeated wind loop penetrates in the mud chamber of Rose Box, and connects with the exhaust duct of suction fan blade motor.