CN203443304U - Vibration type heating drying system for green bodies - Google Patents
Vibration type heating drying system for green bodies Download PDFInfo
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- CN203443304U CN203443304U CN201320407737.6U CN201320407737U CN203443304U CN 203443304 U CN203443304 U CN 203443304U CN 201320407737 U CN201320407737 U CN 201320407737U CN 203443304 U CN203443304 U CN 203443304U
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Abstract
The utility model belongs to the technical field of vibration type heating drying, and discloses a vibration type heating drying system for green bodies. The vibration type heating drying system for the green bodies comprises a drying chamber for containing the green bodies to be dried, a return duct, a circulating fan, a burner, a first air supply pipe, an oscillator valve, a second air supply pipe and a third air supply pipe, wherein the return duct, the circulating fan, the burner and the first air supply pipe are sequentially connected. The oscillator valve comprises a cylindrical valve body and a rectangular valve plate. The inlet end of the valve body is connected with the outlet of the first air supply pipe, and the first outlet end of the valve body is connected with the inlet of the second air supply pipe, and the second outlet end of the valve body is connected with the inlet of the third air supply pipe.
Description
Technical field
The utility model belongs to oscillatory type heat drying technical field, particularly oscillatory type heat drying system for a kind of base substrate, and the utility model is applicable to the oven dry of the base substrates such as electroceramics, construction material, refractory material, domestic ceramics and cleaners and polishes.
Background technology
At present, the direct combustion type quick drying device that body drying generally adopts belongs to periodic dryer, its operation principle is: take natural gas, town gas or oil liquefied gas as fuel, by automatic ignition system ignition combustion machine, after burning, the circulated air sent out with circulating fan of diluted combustion product mixes as drying medium and enters in hothouse, then base substrate to be dried is heated in drying chamber inside with convection type, recycling circulating fan is extracted air-flow out from backwind tube.In above-mentioned dry run, the circulation of drying medium (hot blast) and motion mode affect the uniformity of dry indoor temperature and humidity, finally affect arid cycle and dry mass.
When being dried for large complicated product, conventionally adopt the medium circulation mode of multi-point equispaced formula.In this type of drier, two row's air inlet correspondences of hothouse are arranged in left bottom and the bottom, right side of hothouse (structure is square), and the entrance of backwind tube is arranged on hothouse crown center, and outlet is joined with one end of circulating fan.The other end and the combustor of circulating fan join, and combustor is connecting blast pipe.The dry run of this drier is as follows: combustor is to gas-heated, gas after heating is sent in hothouse by blast pipe, utilize circulating fan that the gas in hothouse is extracted out and be fed through in combustor, then by combustor, again heat, realized recycling of drying medium.Because two of hothouse is arranged left bottom and the bottom, right side that air inlet correspondences are arranged in hothouse (structure is square), the gas that enters hothouse by above-mentioned two air inlets is not directly jetted to base substrate to be dried, but flows along fixation locus in hothouse inside.Above-mentioned dry run is comparatively steady, can being dried for all kinds of large-scale electric porcelain insulators.But, owing to entering the gas of hothouse, in hothouse inside, along fixation locus, flow, can make the zones of different of hothouse produce temperature difference; Particularly in hothouse central bottom, can produce the first dead band, in hothouse left upper portion and right upper portion, can produce the second dead band, after measured the gas temperature in the first dead band and the second dead band compared with the main flow region of the gas of hothouse low 3 ℃～5 ℃, in the first dead band and the second dead band, corresponding gas flow rates is also low than the main flow region of gas.Because the temperature of medium (gas) and speed are the dry key parameters of impact, the first dead band and the second dead band can impact the dry of some large products.Take electric porcelain insulator as example, and in dry run, the humiture missionary society of the zones of different of hothouse extends drying time, and may make electric porcelain insulator produce the defects such as umbrella, cracking.
Utility model content
The purpose of this utility model is to propose oscillatory type heat drying system for a kind of base substrate.The utility model is simple in structure, uses easy to operate and safe and reliable.
For realizing above-mentioned technical purpose, the utility model adopts following technical scheme to be achieved.
Technical scheme one:
By an oscillatory type heat drying system, comprise hothouse, the backwind tube of placing base substrate to be dried, also comprise circulating fan, combustor, the first ajutage, oscillator valve, the second ajutage and the 3rd ajutage; The entrance of described backwind tube is arranged on the center at hothouse top; Described backwind tube, circulating fan, combustor and the first ajutage are connected successively; Described oscillator valve has arrival end, and first port of export of gas flow change in oscillation and second port of export; The arrival end of described oscillator valve connects the outlet of the first ajutage, and first port of export connects the entrance of the second ajutage, and second port of export connects the entrance of the 3rd ajutage; The outlet of described the second ajutage is arranged on the bottom in hothouse left side, and the outlet of described the 3rd ajutage is arranged on the bottom on hothouse right side.
The feature of the technical program and further improvement are:
Described oscillator valve comprises valve body cylindraceous and the rectangle valve plate periodically rotating around valve body, in the Different Diameter of described valve body to the arrival end, first port of export and second port of export that are respectively arranged with oscillator valve.
Be 30s to 200s the cycle of oscillation of described oscillator valve.
In described oscillator valve, first port of export is relative with the second port of export level, and the direction of arrival end is vertical direction.
The beneficial effects of the utility model are: the utility model can utilize at oscillator valve and circulating fan and produce and the Gas Stirring effect that adds agitating device equivalence in the situation that not increasing agitating device, manufacture and maintenance cost have been reduced, increased the useful load of hothouse, the dry qualification rate that has improved large complicated product, has reduced arid cycle and energy consumption.
Accompanying drawing explanation
Fig. 1 is the structure chart of oscillatory type heat drying system for a kind of base substrate of the present utility model;
Fig. 2 is oscillator valve of the present utility model the 1st valve position schematic diagram;
Fig. 3 is oscillator valve of the present utility model the 2nd valve position schematic diagram;
Fig. 4 is oscillator valve of the present utility model the 3rd valve position schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
In the industry production such as electroceramics, refractory material, pottery, grinding materials and grinding tool, the drying stage technical process that is absolutely necessary.Dry run with to be subject to hot mode different, can be divided into following several drying means: convective drying, conductive drying, far infrared drying, microwave drying, freeze drying, vacuum drying etc. by its Heating style.In dry run, the moisture in base substrate to be dried first must be by the internal migration of base substrate the surface to base substrate, then on surface, vaporization enters air main body.If this process is carried out soon, the so dry time is just short, and the speed of dry run is just high.But in industries such as electroceramics, construction material, refractory material, domestic ceramics, cleaners and polishes, if base substrate is too fast at the rate of drying at dry initial stage, can cause base substrate surfaces externally and internally psychrometric difference apart from too large, thereby outside causing in base substrate, contraction is inconsistent, easily produces material cracking.
Body drying generally adopts direct combustion type quick drying device to belong to periodic dryer at present, its operation principle is: take natural gas, town gas or oil liquefied gas as fuel, by automatic ignition system ignition combustion machine, after burning, the circulated air sent out with circulating fan of diluted combustion product mixes as drying medium and enters in hothouse, then base substrate to be dried is heated in drying chamber inside with convection type, recycling circulating fan is extracted air-flow out from backwind tube.
Base substrate to be dried can produce moisture (at the wet drying stage such as grade at dry initial stage) in low temperature drying process, sometimes in combustion product, can comprise steam.Thereby these gases reach along with circulating current carries out self-loopa the technological requirement that moisturizing heats up.In dry run, according to special-purpose temperature and humidity control program, automatically control and heat up and hydrofuge speed, by continuous hot air circulation and in good time hydrofuge, constantly take away the moisture in base substrate, make base substrate (product is different, and the cycle is different) within a rational cycle, reach the final purpose that base substrate is dried.
When being dried for large complicated product, conventionally adopt the medium circulation mode of multi-point equispaced formula.In this type of drying system, two row's air inlet correspondences of hothouse are arranged in bottom, left side and the lower right side of hothouse (structure is square), and the entrance of backwind tube is arranged on hothouse crown center, and outlet is joined with one end of circulating fan.The other end and the combustor of circulating fan join, and combustor is connecting blast pipe.The dry run of this drier is as follows: combustor is to gas-heated, gas after heating is sent in hothouse by blast pipe, utilize circulating fan that the gas in hothouse is extracted out and be fed through in combustor, then by combustor, again heat, realized recycling of drying medium.Because two of hothouse is arranged bottom, left side and the lower right side that air inlet correspondences are arranged in hothouse (structure is square), the gas that enters hothouse by above-mentioned two row's air inlets is not directly jetted to base substrate to be dried, but flows along fixation locus in hothouse inside.Above-mentioned dry run is comparatively steady, can being dried for all kinds of large-scale electric porcelain insulators.But, owing to entering the gas of hothouse, in hothouse inside, along fixation locus, flow, can make the zones of different of hothouse produce temperature difference; Particularly in hothouse middle lower portion, can produce the first dead band, in hothouse left upper portion and right upper portion, can produce the second dead band, after measured the gas temperature in the first dead band and the second dead band compared with the main flow region of the gas of hothouse low 3 ℃～5 ℃, in the first dead band and the second dead band, corresponding gas flow rates is also low than the main flow region of gas.Because the temperature of medium (gas) and speed are the dry key parameters of impact, the first dead band and the second dead band can impact the dry of some large products.Take electric porcelain insulator as example, and in dry run, the humiture missionary society of the zones of different of hothouse extends drying time, and may make electric porcelain insulator produce the defects such as umbrella, cracking.How reducing the humiture of zones of different of hothouse poor is to improve dry mass, shortens arid cycle, saves the key of energy consumption for drying.
Electric porcelain insulator take below as example, a kind of base substrate oscillatory type heat drying system and drying means thereof of the present utility model are described.
With reference to Fig. 1, be the structure chart of a kind of base substrate of the present utility model by oscillatory type heat drying system.In this oscillatory type heat drier, hothouse 1 is rectangular shape, and its surrounding utilizes compound thermal insulator to make, and is placing electric porcelain insulator to be dried in hothouse 1.The outlet of the second ajutage 2 (being row's air inlet of hothouse 1) is arranged on the left bottom of hothouse 1, and the outlet of the 3rd ajutage 7 (being another row's air inlet of hothouse 1) is arranged on the bottom, right side of hothouse 1.The Way out of the Way out of the second ajutage 2 and the 3rd ajutage 7 be level towards, the outlet level of the second ajutage 2 is towards the right side, the outlet level of the 3rd ajutage 7 is towards a left side.In dry run, the second ajutage 2 and the 3rd ajutage 7 provide gas (dry required thermal current) for hothouse 1.
The entrance of backwind tube 3 (being the air outlet of hothouse 1) is positioned at the center at the top of hothouse 1.The outlet of backwind tube 3 connects the entrance of circulating fan 6; The outlet of circulating fan 6 connects the entrance of combustor 5; The outlet of combustor 5 connects the entrance of the first ajutage 8.Under the effect of dry thermal current, on electric porcelain insulator, can evaporate steam, gas with steam is fed through in circulating fan 6, and circulating fan 6 can discharge steam by drying process, and sends into gas (dry gas) to the first ajutage 8.
With reference to Fig. 2, it is oscillator valve of the present utility model the 1st valve position schematic diagram; With reference to Fig. 3, it is oscillator valve of the present utility model the 2nd valve position schematic diagram; With reference to Fig. 4, it is oscillator valve of the present utility model the 3rd valve position schematic diagram.Oscillator valve 4 comprises valve body 9 cylindraceous and rectangle valve plate 10, the length of the length of valve body 9 (along the size of the axis direction of valve body 9) and rectangle valve plate 10 (along the size of the axis direction of valve body 9) adapts, the width of rectangle valve plate 10 is 95% left and right of the cross section internal diameter of valve body 9, herein, the cross section internal diameter of valve body 9 refers to: the vertical section internal diameter of the valve body 9 vertical with the axis of valve body 9.For example, the cross section internal diameter of valve body 9 is 580mm, and rectangle valve plate 10 is of a size of 560 * 595mm; The cross section of the porch of the second ajutage 2 and the 3rd ajutage 7 is circular, and the diameter of section of the porch of the second ajutage 2 is 400mm, and the diameter of section of the porch of the 3rd ajutage 7 is 400mm.The cross section in the exit of the first ajutage 8 is rectangle, and its correspondence is of a size of 600 * 400mm.Oscillator valve 4 is triple valves, and valve body 9 has an arrival end and two ports of export; The outlet of this arrival end and the first ajutage 8 is joined, and the entrance of first port of export and the second ajutage 2 joins, and the entrance of second port of export and the 3rd ajutage 7 joins.In described oscillator valve 4, first port of export is relative with the second port of export level, and the direction of arrival end is vertical direction.On oscillator valve 4, be also provided with the end cap 11 of parcel valve body 9.
In dry run, rectangle valve plate 10 periodically rotates around the axis of valve body 9, and the rotation period of rectangle valve plate 10 is 30s to 200s, and preferably, the rotation period of rectangle valve plate 10 is 120s.
In the process of rectangle valve plate 10 periodic rotary, can alternately close the gas communication passage of the first ajutage 8 and the second ajutage 2 and the gas communication passage of the first ajutage 8 and the 3rd ajutage 7.In the process of rotating at rectangle valve plate 10, the gas flow by left and right sides ajutage (the second ajutage 2 and the 3rd ajutage 7) also can be this those long alternately changing that disappear with the same cycle.And the gas (thermal current) that the second ajutage 2 and the 3rd ajutage 7 are sent can produce main air flow passage upwards under pressure, this main air flow passage can change along with the rotation of rectangle valve plate 10, the effect of its generation as be arranged in hothouse 1 both walls aerofoil fan alternate run time mixing effect, thereby can eliminate the first dead band and the second dead band is obviously dwindled.
See figures.1.and.2, when rectangle valve plate 10 turns to the 1st valve position, rectangle valve plate 10 cuts off the gas communication passage of the first ajutage 8 and the second ajutage 2, now, gas can only enter hothouse 1 from the 3rd ajutage 7, because the outlet of the 3rd ajutage 7 is arranged on the bottom, right side of hothouse 1, and its direction be level towards a left side, so gas at the Main Current passway of hothouse 1 is: move (the left side arrow in reference to Fig. 1 in hothouse 1) from bottom to top in the left side at hothouse 1.Hence one can see that, and when using the utility model to be dried, the second dead band that is positioned at hothouse left upper portion obviously dwindles.
With reference to Fig. 1 and Fig. 3, when rectangle valve plate 10 turns to the 2nd valve position, rectangle valve plate 10 is positioned at vertical position, gas in the first ajutage 8 is sent into respectively in the second ajutage 2 and the 3rd ajutage 7, now, gas enters hothouse 1 from the second ajutage 2 and the 3rd ajutage 7, and now, gas at the Main Current passway of hothouse 1 is: move (middle part in reference to Fig. 1 in hothouse 1 is to upward arrow) from bottom to top at the middle part at hothouse 1.Hence one can see that, and when using the utility model to be dried, hothouse middle lower portion does not exist the first dead band.
With reference to Fig. 1 and Fig. 4, when rectangle valve plate 10 turns to the 3rd valve position, rectangle valve plate 10 cuts off the gas communication passage of the first ajutage 8 and the 3rd ajutage 7, now, gas can only enter hothouse 1 from the second ajutage 2, because the outlet of the second ajutage 2 is arranged on the left bottom of hothouse 1, and its direction be level towards the right side, so gas at the Main Current passway of hothouse 1 is: move (right side in reference to Fig. 1 in hothouse 1 is to upward arrow) from bottom to top on the right side at hothouse 1.Hence one can see that, and when using the utility model to be dried, the second dead band that is positioned at hothouse right upper portion obviously dwindles.
The gas that enters hothouse 1 is dry thermal current, under the effect of dry thermal current, on electric porcelain insulator, can evaporate steam.Gas with steam carries out backwind tube from the entrance of backwind tube 3, and enters in circulating fan 6.Circulating fan 6 need to outwards progressively be discharged moisture by technique, and sends into gas to the first ajutage 8, thereby enters gas circulation next time.
A kind of base substrate of the present utility model comprises the following steps with oscillatory type heating and drying method: in hothouse, place electric porcelain insulator to be dried; Circulating fan is sent into gas in combustor, combustor combustion gas, and the gas that circulating fan is sent into heats.Under the effect of circulating fan, gas is fed through in the first ajutage.Rectangle valve plate periodically rotates around the axis of valve body, and the gas flow of the second ajutage and the 3rd ajutage periodically changes thereupon; The second ajutage and the 3rd ajutage are fed through gas in hothouse by corresponding outlet.Under the effect of circulating fan, the gas in hothouse is fed through in backwind tube by the entrance of backwind tube, and the gas in hothouse comprises the steam of thing evaporation to be dried; Gas in backwind tube is fed through in circulating fan, and circulating fan discharges steam.Then circulating fan is sent into gas again in combustor, thereby carries out gas circulation next time.
The gas of the circulation in the utility model embodiment (drying medium) is air, the utility model embodiment directly adopts convective drying, be that combustor is lighted gaseous fuel, directly add hot-air, mist after heating is as drying medium, by circulating fan injection, enter in hothouse, form gas circulation.The moisture that base substrate to be dried produces in low temperature drying process (at the wet drying stage such as grade at dry initial stage) is along with circulating current carries out self-loopa in drying chamber inside; Can be according to technological requirement in the utility model embodiment, automatically control (adjusting) hydrofuge speed, by continuous hot air circulation and in good time hydrofuge, constantly take away the moisture in base substrate to be dried, (product is different within a rational cycle to make base substrate to be dried, cycle is different), complete drying course.This kind of method saved traditional steam and heat exchanger, shortened technical process, improved heat utilization rate.The utility model embodiment is without preparing steam, by lighting gaseous fuel, directly add hot-air, using the mist after heating as drying medium, the utility model embodiment is applicable to the dry of the large complicated products in field such as electroceramics, pottery, building materials, refractory material.
The utility model can in the situation that not increasing agitating device, utilize oscillator valve and circulating fan to drier in γ-ray emission equivalence mixing effect, owing to can increasing and manufacture and maintenance cost at the inner additional agitating device of the higher drier of temperature, can affect desiccator cartridge carrying capacity, so the utility model has reduced manufacture and maintenance cost, increased the useful load of hothouse.
Because hothouse humiture region uniformity is improved, improved the dry qualification rate of large complicated product, to compare with traditional drying means arid cycle and shorten 10～30 hours, energy consumption also can reduce by 20% left and right.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (4)
1. oscillatory type heat drying system for a base substrate, comprise hothouse (1), the backwind tube (3) of placing base substrate to be dried, it is characterized in that, also comprise circulating fan (6), combustor (5), the first ajutage (8), oscillator valve (4), the second ajutage (2) and the 3rd ajutage (7); The entrance of described backwind tube (3) is arranged on the center at hothouse (1) top; Described backwind tube (3), circulating fan (6), combustor (5) and the first ajutage (8) are connected successively; Described oscillator valve (4) has arrival end, and first port of export of gas flow change in oscillation and second port of export; The arrival end of described oscillator valve (4) connects the outlet of the first ajutage (8), and first port of export connects the entrance of the second ajutage (2), and second port of export connects the entrance of the 3rd ajutage (7); The outlet of described the second ajutage (2) is arranged on the bottom in hothouse (1) left side, and the outlet of described the 3rd ajutage (7) is arranged on the bottom on hothouse (1) right side.
2. oscillatory type heat drying system for a kind of base substrate as claimed in claim 1, it is characterized in that, described oscillator valve (4) comprises valve body cylindraceous (9) and the rectangle valve plate (10) periodically rotating around valve body (9), in the Different Diameter of described valve body (9) to the arrival end, first port of export and second port of export that are respectively arranged with oscillator valve (4).
3. oscillatory type heat drying system for a kind of base substrate as claimed in claim 1, is characterized in that, be 30s to 200s the cycle of oscillation of described oscillator valve (4).
4. oscillatory type heat drying system for a kind of base substrate as claimed in claim 1, is characterized in that, in described oscillator valve (4), first port of export is relative with the second port of export level, and the direction of arrival end is vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320407737.6U CN203443304U (en) | 2013-07-09 | 2013-07-09 | Vibration type heating drying system for green bodies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320407737.6U CN203443304U (en) | 2013-07-09 | 2013-07-09 | Vibration type heating drying system for green bodies |
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| Publication Number | Publication Date |
|---|---|
| CN203443304U true CN203443304U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320407737.6U Expired - Fee Related CN203443304U (en) | 2013-07-09 | 2013-07-09 | Vibration type heating drying system for green bodies |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344102A (en) * | 2013-07-09 | 2013-10-09 | 中机工程（西安）启源工程有限公司 | Oscillating-type heating drying system and method used for blanks |
-
2013
- 2013-07-09 CN CN201320407737.6U patent/CN203443304U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344102A (en) * | 2013-07-09 | 2013-10-09 | 中机工程（西安）启源工程有限公司 | Oscillating-type heating drying system and method used for blanks |
| CN103344102B (en) * | 2013-07-09 | 2015-04-08 | 中机工程（西安）启源工程有限公司 | Oscillating-type heating drying system and method used for blanks |
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| C14 | Grant of patent or utility model | ||
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Owner name: CECEP (SHAANXI) ENVIRONMENTAL PROTECTION EQUIPMENT Free format text: FORMER OWNER: CECEP INDUSTRIAL WATER SERVICE ENGINEERING CO., LTD. Effective date: 20150728 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: CECEP INDUSTRIAL WATER SERVICE ENGINEERING CO., LT Free format text: FORMER NAME: XI'AN QIYUAN MECHANICAL (XI'AN) ENGINEERING CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 710054, No. 128, east section, South Ring Road, Shaanxi, Xi'an Patentee after: China Energy Saving Industrial Water Engineering Co.,Ltd. Address before: 710054, No. 128, east section, South Ring Road, Shaanxi, Xi'an Patentee before: Xi'an Qiyuan Mechamical (Xi'an) and Engineering Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150728 Address after: 712000 Xianyang city of Shaanxi province qindouou Weiyang Road Hospital No. 1 room 914 Patentee after: Cecep (Shaanxi) environmental protection equipment Co.,Ltd. Address before: 710054, No. 128, east section, South Ring Road, Shaanxi, Xi'an Patentee before: China Energy Saving Industrial Water Engineering Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20190709 |
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| CF01 | Termination of patent right due to non-payment of annual fee |