CN209564636U - A kind of tower scraper condenser - Google Patents

Abstract

The utility model relates to a kind of condensers, disclose a kind of tower scraper condenser, existing scraper-type condenser agitating shaft side is solved because small with the relative moving speed of gas phase, the problem of easily adhering to low polymer and increasing agitating shaft rotating load, it includes the sleeping cylinder and vertical tube body of connection, sleeping cylinder is equipped with air inlet and leakage fluid dram, air inlet is located at the sleeping one end of cylinder far from vertical tube body, sleeping cylinder is equipped with scraper mechanism, scraper mechanism includes rotating coaxially to be connected and installed in the intracorporal shaft of sleeping cylinder, the rotating drive part being connect on the outside of sleeping cylinder with shaft one end and the first assembly being coaxially fixed on the outside of shaft, first assembly includes auger, auger is coaxial and relatively fixed with shaft, auger, which is located in sleeping cylinder, to be affixed close to the side of air inlet with sleeping cylinder inboard wall, it reduces shaft and first assembly bonds low polymer May, reduce shaft rotating load, reduce energy consumption, while improving tower scraper condenser condensation collection efficiency.

Description

A kind of tower scraper condenser

Technical field

The utility model relates to a kind of condenser, in particular to a kind of tower scraper condenser.

Background technique

Scraper-type condenser is common production equipment in existing high molecular material polycondensation device, the side captured by condensation Formula, removes and collects the small molecule by-product in gas phase, and model size is varied according to the technological requirements.

In current existing technology, scraper condenser is mainly made of a horizontal cylinder and a vertical cylinder, vertical Cylinder is mounted on the top of horizontal cylinder one end, and vertical cylinder is vacuum spray tower, is equipped with condensate liquid spray nozzle, nozzle in tower The condensate liquid of ejection forms large area liquid film, plays good condensation, tower top upper end connects vacuum pipe, so that in tower body Portion is in negative pressure.Horizontal part is the surge tank with scraper plate, interior to be fixed on stirring through cylinder equipped with two pieces of scraper plates of size It mixes on axis.Air-flow one end opposite with vertical cylinder from horizontal cylinder enters, and enters vacuum system after flowing through vertical condensation tower, Low polymer and small molecule by-product are finally fallen into immediately below vertical condensation tower after being trapped by the two parts Another of horizontal part is exported and is entered eventually into the collecting tank with filter basket or filter of junior.

Flow area increase after gas phase enters in horizontal cylinder, flow velocity reduction, while gas phase, which enter in horizontal cylinder, to be opened Begin preliminary cooling down, and low polymer is formed and adhered on the inner wall of horizontal cylinder, therefore needs to strike off scraper plate.However Agitating shaft in scraper condenser in use, the side of agitating shaft is with respect to for scraper plate, it is slower to the relative moving speed of gas phase, Therefore its surface easily adheres to low polymer, and can not lead to scraper plate and voluntarily scrape, and increases agitating shaft rotating load, therefore needs to be changed Into.

Utility model content

In view of the deficienciess of the prior art, subtracting the purpose of this utility model is to provide a kind of tower scraper condenser The possibility of few shaft and first assembly bonding low polymer, reduces shaft rotating load, reduces energy consumption, while improving tower Scraper condenser condenses collection efficiency.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of tower scraper condenser, sleeping cylinder and vertical tube body including connection, the vertical tube body are mounted on sleeping cylinder one The top at end, and vacuum spray mechanism is installed in vertical tube body, the sleeping cylinder is equipped with air inlet and leakage fluid dram, the air inlet One end positioned at sleeping cylinder far from vertical tube body, the sleeping cylinder are equipped with scraper mechanism, and the scraper mechanism includes rotating coaxially It is connected and installed in the intracorporal shaft of sleeping cylinder, the rotating drive part connecting on the outside of sleeping cylinder with shaft one end and coaxial is fixed on First assembly on the outside of shaft, the first assembly include auger, and the auger is coaxial and relatively fixed with shaft, the auger Side in sleeping cylinder close to air inlet is affixed with sleeping cylinder inboard wall.

Auger rotation is driven by using above-mentioned technical proposal, when shaft rotates, and is pushed towards vertical tube body side, and take up Coolant liquid and gas phase flow, and for the scraper plate for comparing original strip, the coolant liquid of sleeping cylinder body bottom hinders when rotating to auger Power is small, reduces shaft rotating load；

Coolant liquid removes there is also washing away along auger extending direction outside the collision of vertical screw conveyer auger simultaneously, and reduction twists The coolant liquid that the possibility of bonding low polymer and auger take up on dragon is thrown from auger by initial velocity and gravity It falls, and is mixed with gas phase, improve condensation collection efficiency；

Furthermore it actively pushes sleeping cylinder to flow close to the air inlet side gas phase phase other side by auger, accelerates to drive shaft side Gas phase flowing velocity around face reduces shaft side and bonds low polymer；

The possibility for reducing shaft and first assembly bonding low polymer in summary, reduces shaft rotating load, drop Low energy consumption, while improving tower scraper condenser condensation collection efficiency.

The utility model is further arranged to: the shaft diameter of the auger is greater than shaft, the inside of the auger and shaft Side between be equipped with the venting channels that circulate for gas phase.

By using above-mentioned technical proposal, gas phase can be directly connected to vertical tube body from venting channels, when preventing shaft from rotating The case where pressure rise is generated in auger avoids pressure rise and promotes gas phase to be formed on auger surface and be bonded low molecule polymerization Object.

The utility model is further arranged to: vertical tube body lower end is provided with the blow vent connecting with sleeping cylinder, described Upper surface on the inside of sleeping cylinder connection vertical tube body one end is provided with rotating turret, the one end of the shaft far from rotating drive part with turn Moving frame turns connection, and the rotating turret is located at side of the blow vent far from air inlet.

By using above-mentioned technical proposal, one end of rotating turret connection support shaft, so that shaft can be kept and sleeping cylinder Coaxial state is rotated；

Rotating turret is located at side of the blow vent far from air inlet simultaneously, when gas phase is another from air inlet side flow direction in sleeping cylinder Side, when gas phase reaches blow vent, there is the trend flowed up by vacuum action in vertical tube body in gas phase, while being ventilated Moisture film, cascade or the water mist of mouth decline stop, and gas phase is hindered to flow to rotating turret, reduce and bond low polymer on rotating turret Possibility, avoid being bonded a large amount of low polymer on rotating turret and shaft being hindered to rotate.

The utility model is further arranged to: the sleeping cylinder body bottom is provided with the baffle of vertical sleeping cylinder axial direction, described Baffle is located at side of the blow vent far from air inlet, and sleeping cylinder body bottom is divided into fluid reservoir and every liquid chamber by the baffle, described Fluid reservoir is connected to above baffle upper edge with every liquid chamber, and the leakage fluid dram is located at the bottom surface of fluid reservoir.

By using above-mentioned technical proposal, due in sleeping cylinder gas phase from after air inlet entrance towards another effluent of cylinder that crouches When dynamic, gas phase is flowed at blow vent, and gas phase bottom horizontal flow sheet is obstructed, and blow vent is located in the cylinder that crouches far from small point of air inlet side Sub- by-product concentration is low, and cooling level is small far from the effect of air inlet side in blow vent；

Therefore setting baffle, stop coolant liquid to flow into the cooling-liquid level for keeping sleeping cylinder body bottom same or higher every liquid chamber While height, reduce coolant liquid reserves in sleeping cylinder, keeps reducing coolant under condensation capturing efficiency, saving resource；

And it avoids the low polymer having in coolant liquid every liquid chamber bottom adhesive, reduces every fettler in liquid chamber Make.

The utility model is further arranged to: the vacuum spray mechanism includes the coolant liquid spray head for spraying cooling liquid With air-flow collector ring, the coolant liquid spray head installation site is located on the axle center of vertical tube body, the air-flow collector ring and vertical tube body Coaxial arrangement, air-flow collector ring outer is connect with side in vertical tube body.

By using above-mentioned technical proposal, coolant liquid spray head sprays water curtain, moisture film or the water mist that cold air liquid is formed, along vertical During cylinder radial diffusion, continuity or density positioned at the water curtain of outer, moisture film or water mist decline, and lead to vacuum spray The heat exchange efficiency decline that mechanism goes out at vertical cylinder inboard wall edge；

Air-flow collector ring is set herein, and the gas phase flow region of bottom-up flowing is radially regular in the cylinder that opposes, and works as gas When mutually passing through air-flow collector ring, gas phase is gathered to the axle center of vertical tube body, and the coolant liquid convenient for spraying with coolant liquid spray head contacts, and mentions The condensation capturing efficiency of high vacuum spraying mechanism.

The utility model is further arranged to: the air-flow collector ring tilts down setting towards axle center.

By using above-mentioned technical proposal, in the coolant flow to air-flow collector ring that is flowed in side wall surface in vertical tube body Afterwards, along air-flow collector ring upper surface to air-flow collector ring center flow, the coolant liquid reduced on air-flow collector ring is accumulated, and avoids gas Stream collector ring weight bearing is excessive and deforms；

The coolant liquid flowed in side wall surface in vertical tube body simultaneously flows down from air-flow collector ring center, mixes again with gas phase, Practical coolant liquid captures effect in the intracorporal redistribution of vertical tube, the condensation for improving tower scraper condenser.

The utility model is further arranged to: the coolant liquid spray head and air-flow collector ring are multiple.

By using above-mentioned technical proposal, the condensation capturing efficiency of vacuum spray mechanism is improved.

The utility model is further arranged to: being mounted on coolant liquid spray head above and below the air-flow collector ring.

By using above-mentioned technical proposal, coolant liquid spray is provided with below the air-flow collector ring of bottom in vertical tube body Head reduces gas phase small molecular content to the intracorporal gas phase spraying cooling liquid of vertical tube is entered, and reduces the gas of bottom in vertical tube body Flow the possibility of collector ring bottom surface bonding low polymer.

In conclusion the utility model has the following beneficial effects:

Auger rotation is driven when shaft rotates, is pushed towards vertical tube body side, and takes up coolant liquid and gas phase flowing, is compared For the scraper plate of original strip, resistance is small when the coolant liquid for the cylinder body bottom that crouches rotates auger, reduces shaft rotating load； The coolant liquid that auger takes up leaves and mixes with gas phase, improves condensation collection efficiency；Auger actively pushes flowing to gas phase again, accelerates The gas phase flowing velocity of shaft side periphery is driven, reduces shaft side and bonds low polymer；Coolant liquid is to auger simultaneously It washes away, reduces the possibility for bonding low polymer on auger, then reduce shaft rotating load, reduce energy consumption, improve simultaneously Tower scraper condenser condenses collection efficiency.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of tower scraper condenser；

Fig. 2 is the cross-sectional view one of tower scraper condenser；

Fig. 3 is the partial enlarged view that Fig. 2 embodies fixed rack structure at A；

Fig. 4 is the structural schematic diagram of scraper mechanism；

Fig. 5 is the cross-sectional view two of tower scraper condenser.

Appended drawing reference: 1, crouch cylinder；1a, fluid reservoir；1b, every liquid chamber；1b1, sewage pipe；11, air inlet；12, leakage fluid dram； 2, vertical tube body；21, blow vent；22, vacuum spray mechanism；221, coolant liquid spray head；222, air-flow collector ring；3, scraper mechanism； 31, rotating turret；311, fixed frame plate；3111, axis hole is worn；312, spring bearing；32, shaft；33, rotating drive part；33a, electricity Machine；34, first assembly；341, auger；342, first connecting rod；343, the first fixed ring；35, the second component；351, long scraper plate； 352, the second connecting rod；353, the second fixed ring；36, baffle；37, venting channels.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Fig. 1, a kind of tower scraper condenser comprising internal hollow sleeping cylinder 1 and vertical tube body 2.It is sleeping Cylinder 1 is horizontal positioned, and air inlet 11 is provided on the upper surface of one end, connects in air inlet 11 and has small point in a upper process The gas phase of sub- by-product.

Vertical tube body 2 is located at the top of the other end of sleeping cylinder 1, and the lower end of vertical tube body 2 and one end of sleeping cylinder 1 connect and It is tightly connected.

As shown in Fig. 2, the junction of vertical tube body 2 and sleeping cylinder 1 is blow vent 21, and blow vent 21 greatly can be according to practical feelings Depending on condition, blow vent 21 is the opening of 2 lower end of vertical tube body herein, identical as 2 interior cross-sectional shape of vertical tube body.

As shown in Fig. 2, scraper mechanism 3 is installed in sleeping cylinder 1.Scraper mechanism 3 includes being mounted in sleeping cylinder 1 to turn Moving frame 31, the shaft 32 being coaxially threaded through in sleeping cylinder 1 and the rotating drive part 33 being mounted on outside sleeping cylinder 1.Rotating turret 31 In side of the blow vent 21 far from air inlet 11 comprising fixed frame plate 311 and spring bearing 312.Fixed frame plate 311 and sleeping cylinder Upper surface inside body 1 is fixed, and fixed frame plate 311 and the axial direction of sleeping cylinder 1 are perpendicular.

As shown in Fig. 3, spring bearing 312 is fitted and fixed in the one side in fixed frame plate 311 towards 11 side of air inlet, Its axle center is overlapped with the axle center of sleeping cylinder 1.It is also provided on fixed frame plate 311 simultaneously and wears axis hole 3111, wear axis hole 3111 and support The female coaxial of bearing 312, and the diameter for wearing axis hole 3111 is greater than the diameter of spring bearing 312.

As shown in Fig. 2, shaft 32 is through in sleeping cylinder 1, and axle center is overlapped with the axle center of sleeping 1 body of cylinder.Shaft 32 One end is interference fitted through the inner hole of spring bearing 312 with axis hole 3111, shaft 32 and 312 inner hole of spring bearing is worn, shaft 32 With wear 3111 clearance fit of axis hole.The other end of shaft 32 is pierced by outside sleeping cylinder 1, and the side of shaft 32 and sleeping cylinder 1 are turning Axis 32 is pierced by place's rotary seal connection, rotary seal connection can according to the actual situation depending on, such as sealed-bearing, herein no longer It is further described.

One end that shaft 32 is pierced by outside sleeping cylinder 1 is connected with rotating drive part 33, and rotating drive part 33 can drive shaft 32 rotate by axis of Pivot Point Center, and rotating drive part 33 can be selected according to the actual situation, and rotating drive part 33 is solid herein It is scheduled on the motor 33a in sleeping 1 outside of cylinder, the motor shaft of motor 33a is connect with 32 end of shaft by shaft coupling.

As shown in Fig. 2, scraper mechanism 3 further includes being located at the first assembly 34 and the second component 35 to crouch in cylinder 1, and first Component and the second component 35 are coaxially mounted to the outside of shaft 32, and first assembly 34 is located at sleeping cylinder 1 close to the one of air inlet 11 Side, the second component 35 are located at sleeping cylinder 1 close to the side of blow vent 21.

As shown in attached drawing 2 and attached drawing 4, first assembly 34 includes auger 341, multiple first connecting rods 342 and multiple first Fixed ring 343.In the shape of a spiral, axle center is overlapped auger 341 with shaft 32.The outer diameter of auger 341 is equal with the internal diameter of sleeping cylinder 1, The outer side edges of auger 341 and the inner sidewall of sleeping cylinder 1 are affixed.The internal diameter of auger 341 can according to the actual situation depending on, be herein sleeping The half of 1 internal diameter of cylinder.

Multiple first fixed rings 343 are coaxially socketed in 32 side of shaft, and multiple first fixed rings 343 are along 32 axle center of shaft Be spaced apart, the first fixed ring 343 is fixed with shaft 32, fixed form can according to the actual situation depending on, such as welding, interference are matched Close, connect etc..The quantity of first fixed ring 343 can according to the actual situation depending on, herein 343 quantity of the first fixed ring be nine.

First connecting rod 342 is equal with 343 quantity of the first fixed ring, and first connecting rod 342 and the first fixed ring 343 are one by one Alignment and fixation.One end of first connecting rod 342 and the outside of the first fixed ring 343 are fixed.First connecting rod 342 is fixed along first Ring 343 is arranged radially, and the other end of first connecting rod 342 and the side of the inside of auger 341 or auger 341 are mutually fixed.Thus When shaft 32 rotates, shaft 32 drives auger 341 to rotate, and is spaced and is formed between the outside of shaft 32 and the inside of auger 341 Cavity be venting channels 37, venting channels 37 pass through for gas phase.

Second component 35 includes long scraper plate 351, multiple second connecting rods 352 and multiple second fixed rings 353.Long scraper plate 351 quantity can according to the actual situation depending on, this 351 quantity of director's scraper plate be six.Long scraper plate 351 is located at 21 lower section of blow vent and length Degree is greater than the axial length of sleeping cylinder 1 in parallel of blow vent 21.Long scraper plate 351 surrounds the one end of shaft 32 far from rotating drive part 33 It is uniformly distributed, the length direction of long scraper plate 351 is parallel with 32 axle center of shaft, and the inside phase of long scraper plate 351 and sleeping cylinder 1 Patch.

Second fixed ring 353 is similar to the first fixed ring 343, is sleeved and fixed in shaft 32 and between 32 axle center of shaft Every distribution.The quantity of second connecting rod 352 is equal with the quantity of long scraper plate 351, and one end of the second connecting rod 352 is fixed with second The side of ring 353 is connected and fixed, and along the setting that radially extends of the second fixed ring 353, the other end and length of the second connecting rod 352 Scraper plate 351 is connected to a fixed.

As shown in Fig. 2, scraper mechanism 3 further includes baffle 36, and baffle 36 is located inside sleeping cylinder 1, and it is located at logical Bottom surface of the port 21 far from 11 side of air inlet.

As shown in Fig. 5,36 shape of baffle is arched, and baffle 36 and the axle center of sleeping cylinder 1 are to vertical, lower edge and sleeping Bottom surface inside cylinder 1 is affixed and is tightly connected, the mode of sealed connection can according to the actual situation depending on, be herein welding.

As shown in Fig. 2, sleeping 1 bottom of cylinder is divided into the liquid storage positioned at baffle 36 towards 11 side of air inlet by baffle 36 Room 1a and positioned at baffle 36 far from 11 side of air inlet every liquid chamber 1b.Fluid reservoir 1a and every liquid chamber 1b on 36 upper edge of baffle Side is connected, the height of baffle 36 according to the actual situation depending on, and 36 distance scraper plate 351 of baffle is far from 11 1 side end of air inlet Distance can lead to the fixation position of baffle 36 and change.The bottom of liquid chamber 1b is provided with sewage pipe 1b1.

As shown in Fig. 2, the bottom of sleeping cylinder 1 is provided with leakage fluid dram 12, and leakage fluid dram 12 is located at sleeping cylinder 1 close to air inlet 11 sides, leakage fluid dram 12 is located at 11 lower section of air inlet herein.

As shown in Fig. 2, internal in vertical tube body 2 that vacuum spray mechanism 22 is installed.Vacuum spray mechanism 22 includes being used for The coolant liquid spray head 221 and air-flow collector ring 222 of spraying cooling liquid.221 quantity of coolant liquid spray head can according to the actual situation depending on, It can be 1-8, coolant liquid spray head 221 is three herein, while the spray type of coolant liquid spray head 221 can be full tapered, umbrella crown type With funnel type etc., wherein the pressure limit of full tapered suitable application is 0.5-5kPa, umbrella crown type, funnel type are suitble to the pressure of application Range is 0.01-1kPa, and corresponding 221 structure of coolant liquid spray head is the prior art, and the innovative point of non-the utility model, so It is no longer further described herein.

Air-flow collector ring 222 and vertical tube body 2 are coaxially disposed, and the outer of air-flow collector ring 222 is connect with the inside of vertical tube body 2 And sealing is fixed.The quantity of air-flow collector ring 222 is related to the quantity of coolant liquid spray head 221, as preferred air-flow collector ring 222 quantity are small by one compared with 221 quantity of coolant liquid spray head, and are respectively mounted above and below air-flow collector ring 222 and are provided with coolant liquid Spray head 221.Simultaneously 222 shape of air-flow collector ring can according to the actual situation depending on, preferably air-flow collector ring 222 is towards axis herein The heart tilts down setting.

The effect of the utility model:

Shaft 32 rotate when drive auger 341 rotate, auger 341 towards 2 side of vertical tube body push, and take up coolant liquid and Gas phase flows, and for the scraper plate for comparing original strip, resistance is small when the coolant liquid for 1 bottom of cylinder of crouching rotates auger 341, Reduce 32 rotating load of shaft；

Coolant liquid removes auger 341 outside the collision of vertical screw conveyer 341 simultaneously, and there is also along 341 extending direction of auger It washes away, thus reduces the possibility for bonding low polymer on auger 341, and the coolant liquid that takes up of auger 341 is from auger 341 On left by initial velocity and gravity, and mixed with gas phase, and then improve condensation collection efficiency；

Furthermore it actively pushes sleeping cylinder 1 to flow close to the 11 side gas phase phase other side of air inlet by auger 341, accelerates to drive The gas phase flowing velocity of 32 side periphery of shaft reduces 32 side of shaft and bonds low polymer；

The possibility that low polymer is bonded by upper reduction shaft 32 and first assembly 34, reduces 32 rotating load of shaft, Energy consumption is reduced, while improving tower scraper condenser condensation collection efficiency.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of tower scraper condenser, sleeping cylinder (1) and vertical tube body (2) including connection, the vertical tube body (2) is mounted on sleeping The top of cylinder (1) one end, and be equipped with vacuum spray mechanism (22) in vertical tube body (2), the sleeping cylinder (1) is equipped with air inlet (11) and leakage fluid dram (12), the air inlet (11) are located at the one end of sleeping cylinder (1) far from vertical tube body (2), which is characterized in that institute It states sleeping cylinder (1) to be equipped with scraper mechanism (3), the scraper mechanism (3) includes rotating coaxially to be connected and installed in sleeping cylinder (1) Shaft (32), be located at the rotating drive part (33) connecting on the outside of sleeping cylinder (1) with shaft (32) one end and coaxial be fixed on turn First assembly (34) on the outside of axis (32), the first assembly (34) include auger (341), the auger (341) and shaft (32) coaxial and relatively fixed, the auger (341) is located at side and sleeping cylinder in sleeping cylinder (1) close to air inlet (11) (1) inner wall is affixed.

2. a kind of tower scraper condenser according to claim 1, which is characterized in that the shaft diameter of the auger (341) Greater than shaft (32), the venting channels to circulate for gas phase are equipped between the inside of the auger (341) and the side of shaft (32).

3. a kind of tower scraper condenser according to claim 1, which is characterized in that vertical tube body (2) the lower end setting There are the blow vent (21) connecting with sleeping cylinder (1), the upper surface setting on the inside of described sleeping cylinder (1) connection vertical tube body (2) one end Have rotating turret (31), the shaft (32) one end and rotating turret (31) far from rotating drive part (33) turn connection, the rotation Frame (31) is located at the side of blow vent (21) far from air inlet (11).

4. a kind of tower scraper condenser according to claim 3, which is characterized in that sleeping cylinder (1) the bottom setting There is the baffle (36) of vertical sleeping cylinder (1) axial direction, the baffle (36) is located at the side of blow vent (21) far from air inlet (11), Sleeping cylinder (1) bottom is divided into fluid reservoir (1a) and every liquid chamber (1b), the fluid reservoir (1a) and every liquid by the baffle (36) Room (1b) is connected to above baffle (36) upper edge, and the leakage fluid dram (12) is located at the bottom surface of fluid reservoir (1a).

5. a kind of tower scraper condenser according to claim 1, which is characterized in that vacuum spray mechanism (22) packet Include the coolant liquid spray head (221) and air-flow collector ring (222) for spraying cooling liquid, coolant liquid spray head (221) installation position Setting on the axle center of vertical tube body (2), the air-flow collector ring (222) and vertical tube body (2) are coaxially disposed, the air-flow collector ring (222) it is connect on the inside of outer and vertical tube body (2).

6. a kind of tower scraper condenser according to claim 5, which is characterized in that air-flow collector ring (222) court Setting is tilted down to axle center.

7. a kind of tower scraper condenser according to claim 6, which is characterized in that the coolant liquid spray head (221) and Air-flow collector ring (222) is multiple.

8. a kind of tower scraper condenser according to claim 7, which is characterized in that the air-flow collector ring (222) Above and below be mounted on coolant liquid spray head (221).