CN207831950U - Retracting device and recycling drying system - Google Patents

Retracting device and recycling drying system Download PDF

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Publication number
CN207831950U
CN207831950U CN201721809847.XU CN201721809847U CN207831950U CN 207831950 U CN207831950 U CN 207831950U CN 201721809847 U CN201721809847 U CN 201721809847U CN 207831950 U CN207831950 U CN 207831950U
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CN
China
Prior art keywords
heat
baffle
conducting plate
retracting device
main part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721809847.XU
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Chinese (zh)
Inventor
赵振业
梅立永
王磊
刘欢
王胜凡
李建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PKU-HKUST SHENZHEN-HONGKONG INSTITUTION
Shenzhen Ier Environmental Protection Engineering Technology Co Ltd
Original Assignee
PKU-HKUST SHENZHEN-HONGKONG INSTITUTION
Shenzhen Ier Environmental Protection Engineering Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PKU-HKUST SHENZHEN-HONGKONG INSTITUTION, Shenzhen Ier Environmental Protection Engineering Technology Co Ltd filed Critical PKU-HKUST SHENZHEN-HONGKONG INSTITUTION
Priority to CN201721809847.XU priority Critical patent/CN207831950U/en
Application granted granted Critical
Publication of CN207831950U publication Critical patent/CN207831950U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to a kind of retracting device and recycling drying systems.Retracting device is used to recycle the flue gas of kiln discharge, including heat-conducting plate and main part, and heat-conducting plate is for carrying material;Main part connect to form accommodating cavity with heat-conducting plate, and air inlet and gas outlet are further opened on main part, and air inlet and gas outlet are connected to accommodating cavity, flue gas is entered by air inlet in accommodating cavity, and is discharged from gas outlet, wherein, heat-conducting plate is used to absorb the heat of flue gas, and transfers heat to material.Retracting device takes full advantage of the waste heat of kiln gas, reduces the waste of heat resource, has reached energy-saving and environment-friendly effect.Moreover, retracting device is separated flue gas and material by heat-conducting plate, being in direct contact for flue gas and material is avoided, so as to prevent smoke pollution material.Retracting device is applied in recycling drying system, heat source pollution is reduced, it is cost-effective, improve economic benefit.

Description

Retracting device and recycling drying system
Technical field
The utility model is related to kiln technical fields, more particularly to a kind of retracting device and recycling drying system.
Background technology
Currently, China's using energy source there are utilization ratios low, deficiency in economic performance, the main problems such as eco-environmental pressure is big. In addition to production technology falls behind, relatively other than the factor that the industrial structure is unreasonable, industrial exhaust heat utilization rate is low, and the energy does not obtain fully Comprehensive utilization is to cause the major reason of high energy consumption.
Important component of the kiln as industrial products production equipment is setting to calcining materials or burnt product Standby, energy consumption can account for 85% or more of the entire production line energy consumption.It will produce a large amount of high-temperature flue gas in calcination process, in kiln, These high-temperature flue gas would generally be directly discharged into air, and cause serious thermal loss.
Utility model content
Based on this, it is necessary to be directed to the heat waste problem of kiln gas, providing one kind being capable of effective recycling flue gas Retracting device, booth material device and the recycling drying system of waste heat.
A kind of retracting device, the flue gas for recycling kiln discharge, including:
Heat-conducting plate, for carrying material;And
Main part connect to form accommodating cavity with the heat-conducting plate, and air inlet and gas outlet are further opened on the main part, The air inlet and the gas outlet are connected to the accommodating cavity, and the flue gas enters the accommodating cavity by the air inlet In, and be discharged from the gas outlet;
Wherein, the heat-conducting plate is used to absorb the heat of the flue gas, and transfers heat to the material.
Above-mentioned retracting device, flue gas enters main part by air inlet, then is discharged from gas outlet, and flue gas flows through main part When, heat-conducting plate can absorb the heat of flue gas, and transfer heat to the material being placed on heat-conducting plate, with material drying.Therefore, Retracting device takes full advantage of the waste heat of kiln gas, reduces the waste of heat resource, has reached energy-saving and environment-friendly effect.And And retracting device is separated flue gas and material by heat-conducting plate, being in direct contact for flue gas and material is avoided, so as to prevent cigarette Gas contaminated material.
The retracting device further includes first baffle in one of the embodiments, and the first baffle is located at the appearance It sets in chamber, and is connect with the main part, flowing road of the first baffle for changing the flue gas in the accommodating cavity Diameter.
The main part includes the first side wall and second sidewall in one of the embodiments, the first side wall and institute The both sides that second sidewall is oppositely arranged on the heat-conducting plate are stated, the first baffle includes the first end being oppositely arranged and second End, the first end are connect with the first side wall, and the second end is arranged with the second sidewall interval.
The retracting device further includes second baffle in one of the embodiments, and the second baffle is located at the appearance It sets in chamber, the second baffle includes the third end and the 4th end being oppositely arranged, and the third end is connect with the second sidewall, 4th end is arranged with the first side wall interval.
The second end is between the 4th end and the second sidewall in one of the embodiments,.
The first baffle is equipped with multiple in one of the embodiments, is arranged on the first side wall, and phase The second baffle there are one being set between adjacent two first baffles.
The main part includes the first side wall and second sidewall in one of the embodiments, the first side wall and institute The both sides that second sidewall is oppositely arranged on the heat-conducting plate are stated, the first baffle includes the first end being oppositely arranged and second End, the first end are consistent with the direction of the first side wall to the second sidewall to the direction of the second end;
The main part further includes the choke plate being located in the accommodating cavity, and the choke plate is set to the first baffle On, and the setting that has angle between the first baffle, one end that the choke plate is connect with the first baffle are located at described Between first end and the second end.
The retracting device further includes intake section in one of the embodiments, and the intake section includes being oppositely arranged First side and second side, the second side are connect with the main part, and the intake section offers and the air inlet The first through hole of connection, the first through hole runs through the first side and the second side, and the first through hole is in institute The perforated area stated in first side is less than perforated area of the first through hole in the second side;
The retracting device further includes outlet portion, and the outlet portion includes the third side and the 4th side being oppositely arranged, 4th side is connect with the main part, and the outlet portion offers the second through-hole being connected to the gas outlet, described Second through-hole runs through the third side and the 4th side, and trepanning face of second through-hole on the third side Product is less than perforated area of second through-hole on the 4th side.
A kind of recycling drying system, including spreading mechanism and above-mentioned any retracting device, the spreading mechanism can phase The heat-conducting plate is moved, and for the material to be sprinkling upon the heat-conducting plate.
Material can be sprinkling upon on heat-conducting plate by above-mentioned recycling drying system, spreading mechanism automatically, compared with artificial spreading, be subtracted Lack cost of labor, improves spreading efficiency.Also, it is used cooperatively with retracting device, not only realizes and kiln gas is returned It receives and utilizes, reduce heat source pollution, it is cost-effective, economic benefit is improved, the efficiency of drying materials is also improved.
The recycling drying system further includes material stirring-up mechanism in one of the embodiments, and the material stirring-up mechanism can be opposite It is moved in the heat-conducting plate, and the material for being spread out to the spreading mechanism carries out stirring operation, and the material is made uniformly to spread out It puts down on the heat-conducting plate.
Description of the drawings
Fig. 1 is the structural schematic diagram that drying system is recycled in one embodiment;
Fig. 2 is the vertical view of the stirring head of upender in recycling drying system shown in FIG. 1;
Fig. 3 is the sectional view of the retracting device in recycling drying system shown in FIG. 1.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this The specific implementation mode of utility model is described in detail.Elaborate many details in order to abundant in the following description Understand the utility model.But the utility model can be much to implement different from other manner described here, this field Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs The limitation for the specific implementation mode opened.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element be considered as with another element " connection " or " connection ", it can be with It is directly to another element or may be simultaneously present centering elements.Term "and/or" packet used in this specification Include any and all combinations of one or more relevant Listed Items.
Referring to FIG. 1, the recycling drying system 10 of an embodiment includes booth material device 100 and retracting device 200.Recycling Device 200 includes heat-conducting plate 210, and booth material device 100 is arranged on heat-conducting plate 210, for material to be laid on heat-conducting plate 210 On.For retracting device 200 for recycling kiln gas waste heat, heat-conducting plate 210 is used to absorb the heat in flue gas, and by heat transfer To material, with material drying.
In the present embodiment, material device 100 in booth includes feed bin 110, conveyer belt 120, guide rail 130,140 and of spreading mechanism Material stirring-up mechanism 150.Feed bin 110 is located at 120 top of conveyer belt, and for storing material.Feed bin 110 includes storage department 112 under Material portion 114, material are stored in storage department 112, and by blanking portion 114 by blanking to conveyer belt 120.In other implementations In mode, feed bin 110 can be replaced with storage tank, the Multi-layer material-storing cabinet etc. for having blanking function.In some embodiments, expect Storehouse 110 can also omit, and directly material can be placed on conveyer belt 120 by staff at this time.
Conveyer belt 120 is used to receive the material of the blanking from feed bin 110, and by material transportation to spreading mechanism 140.At it In its embodiment, conveyer belt 120 can also be replaced to realize the function of transported material with conveyer or delivery pipe etc..At some In embodiment, conveyer belt 120 can also omit, if feed bin 110 is not omitted at this time, 110 direct blanking of feed bin is to spreading Mechanism 140;If feed bin 110 is also omitted, material can be loaded into spreading mechanism 140 from staff.
Guide rail 130 is laid on heat-conducting plate 210, and the initiating terminal of guide rail 130 is close to the output end of conveyer belt 120, and guide rail 130 initiating terminal is consistent with the transmission direction of conveyer belt 120 to the direction of clearing end.The quantity of guide rail 130 is 2, and two are led Rail 130 is isometric and parallel to each other.It is respectively arranged with two pairs of rotatable steamboats in spreading mechanism 140 and material stirring-up mechanism 150, steamboat can be It is rolled on guide rail 130, to which spreading mechanism 140 and material stirring-up mechanism 150 can be moved along set path.It is appreciated that It is that in other embodiments, guide rail 130 can also omit, the mechanism of spreading at this time 140 and material stirring-up mechanism 150 can be by presetting Program or the respective mobile route of staff's remote control.
It after spreading mechanism 140 has received a certain amount of material, can be moved along guide rail 130, and while mobile, by object Material is sprinkling upon on heat-conducting plate 210.
The material that material stirring-up mechanism 150 is used to spread out spreading mechanism 140 carries out stirring operation, overturns material, and make material It equably shakeouts and is distributed on heat-conducting plate 210, and material is made to be heated evenly, improve drying rate.Specific in present embodiment, In combination with Fig. 1 and Fig. 2, material stirring-up mechanism 150 includes stirring head 154 and motor 152.Stirring head 154 include stir plate 154a and Connecting rod 154b, it includes a main board 1541 and two side shields for being separately positioned on 1541 both ends of main board to stir plate 154a 1543, and form equal-sized obtuse angle between two side shields 1543 and main board 1541.One end of connecting rod 154b and motor 152 electrical connections, the other end are connected with main board 1541.
In stirring operation, motor 152 drives the steamboat rotation on material stirring-up mechanism 150, enables upender 150 along leading Rail 130 moves back and forth.At this point, the plate 154a that stirs on material stirring-up mechanism 150 is also moved back and forth therewith, so as to anti- The material on heat-conducting plate 210 is swept and be bulldozed again, to complete stirring operation, ensures that material is uniformly divided on heat-conducting plate 210 It is heated.The side shield 1543 of plate 154a is stirred due to forming obtuse angle with main board 1541, material during stirring can be prevented It is sliding out the control range of stirring head 154 from 1541 both sides of main board, reaches better stirring effect.
In the present embodiment, when 110 blanking of feed bin, spreading mechanism 140 is located at the initiating terminal of guide rail 130, is passed with receiving The material for sending band 120 to transport.When the material of reception reaches a certain amount, feed bin 110 stops blanking, 140 guide of spreading mechanism 130 clearing end of rail is mobile and carries out spreading operation, and material is sprinkling upon on heat-conducting plate 210.After the completion of spreading, spreading mechanism 140 is returned To the initiating terminal of guide rail 130.Then, material stirring-up mechanism 150 is gone forward side by side from the movement of the initiating terminal of the clearing end direction guiding rail 130 of guide rail 130 Row stirring operation, after the completion of stirring, material stirring-up mechanism 150 turns again to clearing end.Expect from down stirring complete, each process by Each mechanism is automatically performed, and is during which not necessarily to artificial participation, is greatly reduced cost of labor, and booth material efficiency is improved.Material is by equal It is even spread out, be turned over after, be more advantageous to thermally equivalent, also get a promotion to the efficiency of material drying.
It please refers to Fig.1 and Fig. 3, retracting device 200 further includes main part 220, intake section 230 and outlet portion 240.Main part 220 connect to form accommodating cavity 222 with heat-conducting plate 210, and intake section 230 and outlet portion 240 are all connected on main part 220.Air inlet Portion 230 is for docking kiln, so that the flue gas generated in kiln can enter from intake section 230 in accommodating cavity 222, and from outlet portion 240 discharges.When flue gas flows through main part 220, heat-conducting plate 210 can absorb the heat of flue gas, and transfer heat to be placed on and lead Material on hot plate 210, with material drying.Therefore, retracting device 200 takes full advantage of the waste heat of kiln gas, reduces heat The waste of energy resource, has reached energy-saving and environment-friendly effect.
Specifically, heat-conducting plate 210 is formed by the larger one or more materials of thermal coefficient.In the present embodiment, it leads Hot plate 210 is the steel plate with higher heat transfer coefficient, and heat-conducting plate 210 is parallel to horizontal plane, and the side far from accommodating cavity 222 is used In carrying material, heat-conducting plate 210 separates flue gas and material, being in direct contact for flue gas and material is avoided, to prevent flue gas Contaminated material.
Main part 220 is made using the smaller material of thermal coefficient, and the external world is radiated by main part 220 to reduce flue gas Thermal loss.Offer air inlet 224 and gas outlet 226 on main part 220, air inlet 224 and gas outlet 226 with it is accommodating Chamber 222 is connected to, and intake section 230 is arranged corresponding to air inlet 224, and outlet portion 240 is arranged corresponding to gas outlet 226.
In the present embodiment, retracting device 200 further includes the baffle being located in accommodating cavity 222, baffle and main part 220 Connection, flow path of the baffle for changing flue gas in accommodating cavity 222.
Main part 220 includes the first side wall 221 and second sidewall 223, and the first side wall 221 is opposite with second sidewall 223 to be set It sets in the both sides of heat-conducting plate 210.Baffle includes first baffle 250 and second baffle 260, and first baffle 250 includes being oppositely arranged First end 252 and second end 254, first end 252 be connected with the first side wall 221, second end 254 and second sidewall 223 are spaced Setting.Second baffle 260 includes the third end 262 and the 4th end 264 being oppositely arranged, and third end 262 connects with second sidewall 223 It connects, the 4th end 264 is arranged with the interval of the first side wall 221.After flue gas is entered by intake section 230 in accommodating cavity 222, it can lead to successively Cross gap, the 4th end 264 between the gap between second end 254 and second sidewall 223, first baffle 250 and second baffle 260 With the gap between the first side wall 221, finally it is discharged from outlet portion 240.
The setting of baffle increases the distance that flue gas flows in accommodating cavity 222, extends flue gas in accommodating cavity 222 Flowing time, flue gas can come into full contact with heat-conducting plate 210 and transfer heat to heat-conducting plate 210, to enhance heat exchange Effect.In addition, flowing time of the flue gas in accommodating cavity 222 is extended, dirt in flue gas can be allowed to a certain extent Grain sedimentation, reduces the pollutant in the flue gas of discharge, achievees the effect that purifying smoke.
In the present embodiment, the second end of first baffle 250 is located at the 4th end 264 and the second side of second baffle 260 Between wall 223, so that first baffle 250 and second baffle 260 play the role of baffling commutation to flue gas, further extend flue gas Flowing time in accommodating cavity 222.Further, first baffle 250 is equipped with multiple, is arranged on the first side wall 221, and Second baffle 260 there are one being set between two neighboring first baffle 250.In other embodiments, one can also be only arranged First baffle 250, and omit second baffle 260.Accommodating cavity 222 is divided into the first interconnected cavity by first baffle 250 With the second cavity, and the first cavity is connected to air inlet 224, and the second cavity is connected to gas outlet 226.
Alternatively, in some embodiments, on the basis of omitting second baffle 260, first baffle 250 can also be arranged more A, multiple first baffles 250 are alternatively arranged, and the both ends of each first baffle 250 respectively with the first side wall 221 and second sidewall 223 connections, at this point, the trepanning on each baffle, with the cavity being connected between each first baffle 250.
Further, main part 220 further include be located at accommodating cavity 222 in choke plate 270, one end of choke plate 270 with Baffle connects, and has angle between baffle.Specifically in the present embodiment, on first baffle 250 and second baffle 260 respectively It is provided with choke plate 270.Choke plate 270 on first baffle 250 and 250 setting at a certain angle of first baffle, and choke One end that plate 270 and first baffle 250 connect is between first end 252 and second end 254.Choke on second baffle 260 Plate 270 and 260 setting at a certain angle of second baffle, and one end that choke plate 270 is connect with second baffle 260 is located at third Between end 262 and the 4th end 264.Choke plate 270 can upset the flue gas flowed in accommodating cavity 222, strengthen pair inside flue gas Stream heat exchange, enables the heat of flue gas to be sufficiently transmitted to heat-conducting plate 210, so that the waste heat of flue gas is fully utilized. In other embodiments, choke plate 270 can be omitted, or can be positioned only on a part of baffle.
Intake section 230 includes the first side and second side being oppositely arranged, and wherein second side connects with main part 220 It connects.Intake section 230 offers the first through hole 232 being connected to air inlet 224, and first through hole 232 runs through first side and second Side.Specifically in the present embodiment, the perforated area of first through hole 232 on the second side is more than first through hole 232 the Perforated area on one side, so that speed when flue gas enters accommodating cavity 222 is less than when flue gas enters intake section 230 Speed enables fume afterheat fully to pass to heat-conducting plate 210 to extend flowing time of the flue gas in accommodating cavity 222.At it In its embodiment, intake section 230 can be designed as in other structures, such as axial direction all equal pipe of cross-sectional area everywhere Shape structure.It is understood that intake section 230 can also omit.
Outlet portion 240 includes the third side and the 4th side being oppositely arranged, and the 4th side connect with main part 220, goes out Gas portion 240 offers the second through-hole 242 being connected to gas outlet 226, and the second through-hole 242 runs through third side and the 4th side. Specifically in the present embodiment, perforated area of second through-hole 242 on third side is less than the second through-hole 242 in the 4th side On perforated area so that the speed that is discharged from outlet portion 240 of flue gas is more than the speed that flue gas enters outlet portion 240, from And accelerate the velocity of discharge of the low-temperature flue gas after heat is recovered out of accommodating cavity 222 so that 222 interior energy of accommodating cavity has more Space receive high-temperature flue gas entrance.In other embodiments, outlet portion 240 can be designed as other structures, such as axially The all equal tubular structure of cross-sectional area everywhere on direction.It is understood that outlet portion 240 can also omit.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of retracting device, the flue gas for recycling kiln discharge, which is characterized in that including:
Heat-conducting plate, for carrying material;And
Main part connect to form accommodating cavity with the heat-conducting plate, and air inlet and gas outlet are further opened on the main part, described Air inlet and the gas outlet are connected to the accommodating cavity, and the flue gas is entered by the air inlet in the accommodating cavity, And it is discharged from the gas outlet;
Wherein, the heat-conducting plate is used to absorb the heat of the flue gas, and transfers heat to the material.
2. retracting device according to claim 1, which is characterized in that further include first baffle, the first baffle is located at It in the accommodating cavity, and is connect with the main part, the first baffle is for changing the flue gas in the accommodating cavity Flow path.
3. retracting device according to claim 2, which is characterized in that the main part includes the first side wall and the second side Wall, the first side wall are oppositely arranged on the both sides of the heat-conducting plate with the second sidewall, and the first baffle includes opposite The first end and second end of setting, the first end are connect with the first side wall, between the second end and the second sidewall Every setting.
4. retracting device according to claim 3, which is characterized in that further include second baffle, the second baffle is located at In the accommodating cavity, the second baffle includes the third end and the 4th end being oppositely arranged, the third end and the second side Wall connects, and the 4th end is arranged with the first side wall interval.
5. retracting device according to claim 4, which is characterized in that the second end is located at the 4th end and described the Between two side walls.
6. retracting device according to claim 4, which is characterized in that the first baffle be equipped with it is multiple, be arranged at The second baffle there are one being set on the first side wall, and between the two neighboring first baffle.
7. retracting device according to claim 2, which is characterized in that the main part includes the first side wall and the second side Wall, the first side wall are oppositely arranged on the both sides of the heat-conducting plate with the second sidewall, and the first baffle includes opposite The first end and second end of setting, the first end to the direction of the second end and the first side wall to the second sidewall Direction it is consistent;
The main part further includes the choke plate being located in the accommodating cavity, and the choke plate is set on the first baffle, and Have angle setting between the first baffle, and one end that the choke plate is connect with the first baffle is located at the first end Between the second end.
8. retracting device according to claim 1, which is characterized in that further include intake section, the intake section includes opposite The first side and second side of setting, the second side are connect with the main part, the intake section offer with it is described The first through hole of air inlet connection, the first through hole runs through the first side and the second side, and described first is logical Perforated area of the hole in the first side is less than perforated area of the first through hole in the second side;
The retracting device further includes outlet portion, and the outlet portion includes the third side and the 4th side being oppositely arranged, described 4th side is connect with the main part, and the outlet portion offers the second through-hole being connected to the gas outlet, and described second Through-hole runs through the third side and the 4th side, and perforated area of second through-hole on the third side is small In perforated area of second through-hole on the 4th side.
9. a kind of recycling drying system, which is characterized in that including spreading mechanism and as claim 1-8 any one of them recycles Device, the spreading mechanism can be moved relative to the heat-conducting plate, and for the material to be sprinkling upon the heat-conducting plate.
10. recycling drying system according to claim 9, which is characterized in that further include material stirring-up mechanism, the material stirring-up mechanism It can be moved relative to the heat-conducting plate, and the material for being spread out to the spreading mechanism carries out stirring operation, makes the material Uniformly shakeout on the heat-conducting plate.
CN201721809847.XU 2017-12-21 2017-12-21 Retracting device and recycling drying system Expired - Fee Related CN207831950U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721809847.XU CN207831950U (en) 2017-12-21 2017-12-21 Retracting device and recycling drying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721809847.XU CN207831950U (en) 2017-12-21 2017-12-21 Retracting device and recycling drying system

Publications (1)

Publication Number Publication Date
CN207831950U true CN207831950U (en) 2018-09-07

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Application Number Title Priority Date Filing Date
CN201721809847.XU Expired - Fee Related CN207831950U (en) 2017-12-21 2017-12-21 Retracting device and recycling drying system

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CN (1) CN207831950U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110314504A (en) * 2019-06-27 2019-10-11 邵太军 A kind of rotary kiln flue gas desulfurization device and its application method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110314504A (en) * 2019-06-27 2019-10-11 邵太军 A kind of rotary kiln flue gas desulfurization device and its application method

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Granted publication date: 20180907