CN208098060U - A kind of production of resins system - Google Patents

Abstract

The utility model proposes a kind of production of resins systems, including polymerization reaction kettle, vertical (type) condenser, horizontal condenser, buffering recycling can, feed inlet, gas outlet are set on the polymerization reaction kettle, the tube side import of the gas outlet connection vertical (type) condenser, the tube side import of the tube side outlet horizontal condenser of the vertical (type) condenser, the import of the tube side outlet buffering recycling can of the horizontal condenser, the outlet gas outlet of the buffering recycling can.The utility model is used cooperatively by vertical (type) condenser, horizontal condenser, whole system is formed a closed closed loop further through buffering recycling can by the condensation effect that ensure that Dichlorodiphenyl Acetate ethyl ester gas, to not by the yoke of ethyl acetate high-temperature gasification, temperature fall time is shortened, system power dissipation, energy consumption is reduced, reduces wear and tear in machines, namely reduce production cost, and the uncooled ethyl acetate gas in part reduces environmental protection pressure by buffering recycling can recycling, no longer discharge atmosphere.

Description

A kind of production of resins system

Technical field

The utility model relates to chemical production technical fields, and in particular to a kind of production of resins system.

Background technique

Traditional production of resins system, is made of polymerization reaction kettle, vertical water cooler, 300 DEG C or so of semi-finished product resin In carrying out row stirring cooling in polymerization reaction kettle, since the boiling point of solvent acetic acid ethyl ester is lower, only 77 DEG C, therefore acetic acid is not avoided Gasify after ethyl ester contact high temperature semi-finished product resin, needs semi-finished product resin temperature to be down to 80 DEG C or less and just carry out adding for ethyl acetate Add, to complete polyesterification reaction after addition ethyl acetate.And what water cooler was used to generate polyesterification reaction in polymerization reaction kettle Ethyl acetate gas is sent back in polymerization reaction kettle after being condensed into liquid, traditional water cooler only one, condensation effect is not enough to Guarantee, and have a small amount of uncooled ethyl acetate gas discharge atmosphere, pollutes；Water flowing is passed through to the cooling of polymerization reaction kettle Cooling to carry out, semi-finished product resin is due to large viscosity, therefore temperature decline is slowly, and temperature is lower, and temperature fall time is longer, by semi-finished product tree Rouge is down to 120 DEG C from 136 DEG C and needs 1-1.5 hours, however semi-finished product resin is down to 100 DEG C from 120 DEG C and but needs 2.5-3.5 Hour, and semi-finished product resin is down to from 120 DEG C to 80 DEG C and is needed 8 hours or even longer, temperature fall time is long, then mixing time It is long, the abrasion of energy consumption and machine is greatly increased, energy conservation and the maintenance of equipment are unfavorable for.

Utility model content

For the deficiency in the presence of the prior art, the utility model provides a kind of production of resins system, solves biography The production of resins system temperature fall time of system is long, energy consumption is high, wear and tear in machines, causes environmental pollution and condensation effect is bad asks Topic.

To achieve the above object, the utility model uses the following technical solution：A kind of production of resins system, including it is poly- Reaction kettle, vertical (type) condenser, horizontal condenser, buffering recycling can are closed, the vertical (type) condenser, horizontal condenser are shell and tube Water cooler, the vertical (type) condenser, horizontal condenser tube side supply flow of media to be cooled, it is the vertical (type) condenser, horizontal cold The shell side Cooling Water of condenser circulates, and feed inlet, gas outlet are set on the polymerization reaction kettle, and the gas outlet is connected to vertical condensation The tube side import of device, the tube side import of the tube side outlet horizontal condenser of the vertical (type) condenser, the horizontal condenser Tube side outlet buffering recycling can import, it is described buffering recycling can outlet gas outlet.

It further, further include water segregator, the import of the tube side outlet water segregator of the horizontal condenser, described point The import of the outlet buffering recycling can of hydrophone.

Further, polymerization reaction kettle includes ontology, motor, shaft, and feed inlet, gas outlet, motor are set to ontology top Portion, the shaft are hollow structure, and shaft top is connected to the output end of motor, and shaft bottom end is internal to this after bodies top Portion extends, and four through-holes are circumferentially evenly distributed in the shaft of body interior, set line outlet, positioning ring in the shaft of body exterior, described Shaft bottom end is circumferential and equably hinged four stirring blades, sets cable wire on every stirring blade, and four cable wires pass through pair respectively Answer through-hole tandem in be set to shaft in adjusting rope, adjust rope one end be connected at the tandem of four cable wires, adjust rope the other end to Upper extension is simultaneously pierced by line outlet and is followed by positioning ring.

Further, polymerization reaction kettle includes ontology, and feed inlet, gas outlet are set to bodies top, set on feed inlet into Expects pipe sets the lid for covering feed pipe on feed pipe, further includes the switching device for controlling lid folding, the switching device Including mounting plate, rotation setting driving gear on the mounting plate, the driving gear two sides set up the driven tooth being engaged with separately It takes turns, the sector gear rotated with driven gear is set on driven gear, sets mobile bar, the mobile bar two between two sector gears Side establishing close sector gear rack gear, when a sector gear is engaged with corresponding rack gear, another sector gear with it is corresponding Rack gear be detached from, by gear segment mates rack gear control mobile bar in being moved up and down in sleeve, the mobile bar passes through connecting rod Control lid is moved up and down about feed pipe.

Further, mobile bar bottom sets guide rod, in the sleeve establishing close guide rod guide rail, guide rod be inserted into sleeve in It is moved on guide rail.

Further, the inner body wall is equipped with plate structure made of elastic material.

Further, horizontal condenser includes cylindrical shell, and shell both ends set up tube sheet, inner walls setting folding separately Flowing plate, horizontal between two tube sheets to set the heat exchanger tube for being attached thereto and running through baffle plate, shell both ends are horizontal cold by end socket sealing Tube side import, the tube side outlet of condenser are divided on two end sockets, and the shell side import of horizontal condenser, shell-side outlet are set to shell On, in setting annular recess in heat exchange pipe outer wall, disturbing flow device is rotatably set, and the disturbing flow device is included in annular recess The torus rotated in annular recess is circumferentially evenly distributed with four spoilers on torus, and the spoiler includes being connected to outside torus Side wall and along inclined first tilting section of cooling water circulating direction, be connected to the second tilting section of the first tilting section, described first inclines Oblique section, the angled α of the second tilting section institute are obtuse angle.

Further, buffering recycling can includes tank body, and top of the tank sets an import, and tank body middle and upper part sets secondary import, The secondary import of the tube side outlet buffering recycling can of the horizontal condenser, handicapping liquid in the tank body on the upside of the secondary import Device, the liquid-blocking unit include the support in conical surface shape, and the support is connected to tank body roof, the support bottom by attachment base Face sets the dropping liquid part of tetrapyamid shape, and the bottom surface of the dropping liquid part is connected to bottom surface of support saddle.

Further, the attachment base is rotatably connected to tank body roof.

Further, the top of the tank is equipped with offgas duct.

Compared with the prior art, the utility model has the advantages that：

1., in vertical (type) condenser be followed by horizontal condenser, increase condensation path, guarantee condensation effect；

2., buffering recycling can recycling gasification, condensed ethyl acetate gas-liquid, be not necessarily to outlet, ensure that environmental protection Effect；

3., buffering recycling can recycling through vertical (type) condenser, horizontal condenser treated medium, therefore the utility model is not necessarily to Semi-finished product resin agitating is cooled to 80 DEG C or less the additions for just carrying out ethyl acetate, the ethyl acetate gas after gasification is through vertical It is sent after two sections of condenser, horizontal condenser coolings to buffering recycling can and is recycled, reduce temperature fall time, while reducing energy Consumption, extends the physical life of equipment；

4., buffering recycling can solvent acetic acid ethyl ester can be added in advance, utilize room temperature ethyl acetate be added polymerization reaction kettle The interior temperature to reduce in polymerization reaction kettle reduces energy consumption to reduce temperature fall time again；

5., water segregator take away the moisture after two sections of vertical (type) condenser, horizontal condenser coolings in solvent, guarantee that solvent is dense Degree, makes polyesterification better effect；

6., polymerization reaction kettle intrinsic medium is stirred, adjust rope and control four cable wires and then control four and stir It mixes blade to swing up and down about shaft, so as to adjust the stirring range of stirring blade, reaches better mixing effect；

7., sector gear drive mobile bar to move up and down, to control lid folding, facilitate charging, and be not necessarily to manually open Lid saves manpower, avoids that safety accident occurs；

8., when a sector gear is engaged with corresponding rack gear, another sector gear is detached from corresponding rack gear, That is two sector gears control the up or down movement of mobile bar respectively, and activity trajectory is clear, and the stroke of mobile bar is fixed, that is, is covered The folding condition of body is stablized；

9., plate structure rebound near medium so that mixing effect is more preferably, polyesterification reaction effect is more preferable；

10., disturbing flow device cooperation baffle plate change cooling water flow direction, make cooling water in shell side as much as possible extend stream The dynamic time, increase heat-exchange time, heat exchange efficiency is improved, to guarantee condensation effect；

Cooling water contacts after four spoilers driving torus in rotating in annular recess namely four spoilers exist It is rotated in cooling water, upsets cooling water flow direction, extend flowing time of the cooling water in shell side more, to make horizontal condensation The condensation effect of device is more preferably；

First tilting section is tilted along cooling water circulating direction, and the first tilting section, the angled α of the second tilting section institute are blunt Angle, i.e. cooling water are hindered after contacting the first tilting section by the second tilting section, when extending flowing of the cooling water in shell side again Between, and the angled α of the first tilting section, the second tilting section institute is greater than 90 ° and less than 180 °, so the second tilting section will not will be cold But water resistance gear is allowed to circulation by larger obstruction, and cooling water can be made to change the flow direction after the first tilting section out, extends circulation Time do not hinder but cooling water normal through；

Import of buffering recycling can is for being added fresh ethyl acetate, and secondary import is for receiving from horizontal Condenser ethyl acetate after cooling is recycled, and is shared out the work and helped one another, and process will not be crossed one another, be influenced；

Liquid-blocking unit falls the ethyl acetate gear for buffering the gasification of recycling can inner part, and ethyl acetate is in tetrapyamid shape Be aggregated and drip on dropping liquid part, will not large area be attached to tank body roof, facilitate the later maintenance of tank body；

Support is in conical surface shape, and support is rotatably connected to tank body roof, and fresh acetic acid second is being added by an import When ester, Bearing Seat Force is rotatable, and support single-point, which continues stress, when avoiding addition fresh ethyl acetate causes to damage, and extends and sets Standby service life.

To sum up, the utility model is used cooperatively by vertical (type) condenser, horizontal condenser, ensure that Dichlorodiphenyl Acetate ethyl ester gas Whole system is formed a closed closed loop, thus not by ethyl acetate height further through buffering recycling can by the condensation effect of body The yoke of wet, shortens temperature fall time, reduces system power dissipation, energy consumption, reduces wear and tear in machines, namely reduces production Cost, and the uncooled ethyl acetate gas in part reduces environmentally friendly pressure by buffering recycling can recycling, no longer discharge atmosphere Power.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model production of resins system.

Fig. 2 is the schematic diagram of internal structure of the utility model polymerization reaction kettle.

Fig. 3 is the utility model shaft, the assembling schematic diagram of stirring blade.

Fig. 4 is the structural schematic diagram that sector gear starts engagement with corresponding rack gear in the utility model switching device.

Fig. 5 is the structural schematic diagram that sector gear is at a fully engaged with corresponding rack gear in the utility model switching device.

Fig. 6 is the structural schematic diagram of the utility model horizontal condenser.

Fig. 7 is the structural schematic diagram of the utility model heat exchanger tube.

Fig. 8 is the cross-sectional view of the utility model disturbing flow device.

Fig. 9 is the structural schematic diagram of the utility model disturbing flow device.

Figure 10 is the structural schematic diagram that the utility model buffers recycling can.

Specific embodiment

The utility model is described further with reference to the accompanying drawing.

As Figure 1-10 shows, a kind of production of resins system, a kind of production of resins system, including it is polymerization reaction kettle 1, vertical cold Condenser 2, horizontal condenser 3, buffering recycling can 4, water segregator 5, the vertical (type) condenser 2, horizontal condenser 3 are shell and tube water Cooler, the vertical (type) condenser 2, horizontal condenser 3 tube side supply flow of media to be cooled, it is the vertical (type) condenser 2, horizontal cold The shell side Cooling Water of condenser 3 circulates.

Feed inlet, gas outlet 1a, the tube side of the gas outlet 1a connection vertical (type) condenser 2 are set on the polymerization reaction kettle 1 Import, the tube side import of the tube side outlet horizontal condenser 3 of the vertical (type) condenser 2, the tube side of the horizontal condenser 3 The import of outlet water segregator 5, the import of the outlet buffering recycling can 4 of the water segregator 5, the buffering recycling can 4 Outlet gas outlet 1a.

Referring to figure 2-3, polymerization reaction kettle 1 includes ontology 1b, motor 1c, shaft 1d, feed inlet, gas outlet 1a, motor 1c It is set at the top of ontology 1b, the shaft 1d is hollow structure, and the top shaft 1d is connected to the output end of motor 1c, the bottom end shaft 1d It is circumferential on the shaft 1d inside ontology 1b to be evenly distributed with four through-hole 1e, ontology through the backward ontology 1b internal stretch in the top ontology 1b Set that line outlet, the bottom end positioning ring 1f, the shaft 1d be circumferential and equably hinged four stirring blades on shaft 1d outside 1b Cable wire 1h is set on 1g, every stirring blade 1g, four cable wire 1h are respectively by corresponding through-hole 1e tandem in shaft 1d Rope 1i is adjusted, rope mono- end 1i is adjusted and is connected at the tandem of four cable wire 1h, the rope 1i other end is adjusted and upwardly extends and be pierced by outlet Mouth is followed by positioning ring 1f, and the ontology 1b inner wall is equipped with plate structure 1u made of elastic material.

Referring to Fig. 1,4,5, feed pipe 1j is set on feed inlet, and the lid 1k for covering feed pipe 1j is set on feed pipe 1j, It further include the switching device for controlling lid 1k folding, the switching device includes the mounting plate 1l set on ground, the mounting plate Rotation setting driving gear 1m, the driving gear 1m set up two sides the driven gear 1n being engaged with, driving gear 1m separately on 1l Driven gear 1n rotation is driven, sets the sector gear 1o, two sector gear 1o rotated with driven gear 1n on driven gear 1n Between set mobile bar 1p, the rack gear 1q of sector gear 1o is closed in mobile bar 1p two sides establishing, when a sector gear 1o with it is right When the rack gear 1q engagement answered, another sector gear 1o is detached from corresponding rack gear 1q, cooperates rack gear 1q by sector gear 1o Control mobile bar 1p is moved up and down in sleeve 1r, and in the present embodiment, the bottom mobile bar 1p sets guide rod 1t, sets in the sleeve 1r Cooperate the guide rail of guide rod 1t, guide rod 1t insertion sleeve 1r is interior in moving on guide rail, and the mobile bar 1p passes through connecting rod 1s control lid Body 1k is moved up and down about feed pipe 1j.

In the present embodiment, it is equipped with the shackle member 1v of the rectangular triangle in section in the top and bottom of mobile bar 1p, Shackle member 1v is used for when sector gear 1o is turned to and contacted corresponding rack gear 1q, and both guarantees can be contacted smoothly, in order to avoid Sector gear 1o is skidded off, so that ensure that mobile bar 1p can be controlled by sector gear 1o does vertical motion；And it is symmetrically arranged Four shackle member 1v can suitably increase the counterweight of mobile bar 1p, be allowed to run more stable.

Referring to Fig. 6-9, horizontal condenser 3 includes cylindrical shell 3a, and shell 3a sets up at both ends tube sheet 3b, shell 3a separately Baffle plate 3c is arranged in inner wall, and horizontal set is attached thereto and through the heat exchanger tube 3d, shell 3a two of baffle plate 3c between two tube sheet 3b End is sealed by end socket 3e, and tube side import, the tube side outlet of horizontal condenser 3 are divided on two end socket 3e, horizontal condenser 3 Shell side import, shell-side outlet be set to shell 3a on, in setting annular recess 3f on heat exchanger tube 3d outer wall, can turn in annular recess 3f Dynamic setting disturbing flow device 6, the disturbing flow device 6 are included in the torus 6a rotated in annular recess 3f, torus 6a last week To uniformly distributed four spoilers, the spoiler includes being connected to torus 6a lateral wall and along cooling water circulating direction inclined first Tilting section 6b, it is connected to the first tilting section 6b and along the inclined second tilting section 6c of cooling water circulating direction, first tilting section 6b, the second tilting section 6c angled α of institute are obtuse angle.

Referring to Figure 10, buffering recycling can 4 includes tank body 4a, sets an import 4b, offgas duct 4g, tank body 4a at the top of tank body 4a Middle and upper part sets secondary import 4c, the secondary import 4c of the tube side outlet buffering recycling can 4 of the horizontal condenser 3, in two Handicapping liquid device in tank body 4a on the upside of secondary import 4c, the liquid-blocking unit include the support 4d in conical surface shape, are pushed up in tank body 4a Attachment base 4e is rotatably arranged in wall, and the support 4d is rotatably connected to tank body 4a roof, the support by attachment base 4e The bottom surface 4d sets the dropping liquid part 4f of tetrapyamid shape, and the bottom surface of the dropping liquid part 4f is connected to the bottom surface support 4d.Tank on the upside of support 4d Circular blocking solution ring 4h is set on body 4a inner wall, avoids the ethyl acetate of partial gasification not in contact with liquid-blocking unit is arrived, from support 4d Edge is attached to tank body 4a roof after rising, to avoid later period cleaning trouble.

The application method of the present embodiment is as follows：Polymerization reaction kettle 1 is added from feed inlet in 300 ° or so of semi-finished product resin It is interior and start stirring cooling, after this body temperature drops to 120 °, slowly fresh ethyl acetate is added by an import slow The tank body of refunds closed cans, and fresh ethyl acetate is passed through in ontology by gas outlet and carries out polyesterification reaction, in this way, saving By semi-finished product resin from 120 DEG C be down to 80 DEG C needed for 8 hours durations, shorten temperature fall time, reduce motor fret, shorten drop The warm time；When fresh ethyl acetate and semi-finished product resin contact after gasify, the ethyl acetate gas after gasification through vertical (type) condenser, After two sections of horizontal condenser condensations, in excluding water in water segregator, to sending the recovery of acetic acid ethyl ester of high concentration to buffering back It is recycled in closed cans.Vertical (type) condenser, two sections of horizontal condenser condensations can not only guarantee condensation effect, condensed recycling Ethyl acetate send to buffering recycling can in can also prevent run expect；And buffering is just added while stirring cooling in fresh ethyl acetate Recycling can ensure that the reasonable pool of time.

Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims (10)

1. a kind of production of resins system, it is characterised in that：Including polymerization reaction kettle (1), vertical (type) condenser (2), horizontal condenser (3), recycling can (4) are buffered, the vertical (type) condenser (2), horizontal condenser (3) are shell and tube water cooler, described vertical cold Condenser (2), horizontal condenser (3) tube side supply flow of media to be cooled, the vertical (type) condenser (2), horizontal condenser (3) The circulation of shell side Cooling Water,

Feed inlet, gas outlet (1a) are set on the polymerization reaction kettle (1), gas outlet (1a) connection vertical (type) condenser (2) Tube side import, the tube side import of the tube side outlet horizontal condenser (3) of the vertical (type) condenser (2), the horizontal condensation The import of tube side outlet buffering recycling can (4) of device (3), the outlet gas outlet (1a) of buffering recycling can (4).

2. a kind of production of resins system as described in claim 1, it is characterised in that：It further include water segregator (5), it is described horizontal cold The import of the tube side outlet water segregator (5) of condenser (3), the water segregator (5) outlet buffering recycling can (4) into Mouthful.

3. a kind of production of resins system as described in claim 1, it is characterised in that：Polymerization reaction kettle (1) include ontology (1b), Motor (1c), shaft (1d), feed inlet, gas outlet (1a), motor (1c) are set at the top of ontology (1b), and the shaft (1d) is Hollow structure, the top shaft (1d) are connected to the output end of motor (1c), and the shaft bottom end (1d) is backward originally through the top ontology (1b) Body (1b) internal stretch is circumferentially evenly distributed with four through-holes (1e) in the internal shaft (1d) of ontology (1b), and ontology (1b) is external to be turned Setting line outlet, positioning ring (1f) on axis (1d), shaft (1d) bottom end is circumferential and equably hinged four stirring blades (1g), It is set cable wire (1h) on every stirring blade (1g), four cable wires (1h) are respectively by corresponding through-hole (1e) tandem in set on shaft Adjusting rope (1i) in (1d), adjust rope the end (1i) be connected at the tandem of four cable wires (1h), adjust rope (1i) other end to Upper extension is simultaneously pierced by line outlet and is followed by positioning ring (1f).

4. a kind of production of resins system as described in claim 1, it is characterised in that：Polymerization reaction kettle (1) includes ontology (1b), Feed inlet, gas outlet (1a) are set at the top of ontology (1b), are set feed pipe (1j) on feed inlet, are set on feed pipe (1j) for hiding The lid (1k) for covering feed pipe (1j), further includes the switching device for controlling lid (1k) folding, and the switching device includes installation Plate (1l), rotation setting driving gear (1m) on the mounting plate (1l), driving gear (1m) two sides, which are set up separately, to be engaged with Driven gear (1n), the sector gear (1o) rotated with driven gear (1n), two sector gears are set on driven gear (1n) It is set between (1o) mobile bar (1p), the rack gear (1q) of sector gear (1o) is closed in mobile bar (1p) the two sides establishing, fans when one When shape gear (1o) is engaged with corresponding rack gear (1q), another sector gear (1o) is detached from corresponding rack gear (1q), is passed through Sector gear (1o) cooperation rack gear (1q) control mobile bar (1p) is moved up and down in sleeve (1r), and the mobile bar (1p) passes through Connecting rod (1s) control lid (1k) is moved up and down about feed pipe (1j).

5. a kind of production of resins system as claimed in claim 4, it is characterised in that：The bottom mobile bar (1p) sets guide rod (1t), The guide rail of guide rod (1t) is closed in the interior establishing of the sleeve (1r), in moving on guide rail in guide rod (1t) insertion sleeve (1r).

6. a kind of production of resins system as described in claim 3 or 4, it is characterised in that：Ontology (1b) inner wall is equipped with bullet Plate structure (1u) made of property material.

7. a kind of production of resins system as described in claim 1, it is characterised in that：Horizontal condenser (3) includes cylindrical Shell (3a), the both ends shell (3a) set up separately tube sheet (3b), and baffle plate (3c) is arranged in shell (3a) inner wall, between two tube sheets (3b) Level sets the heat exchanger tube (3d) for being attached thereto and running through baffle plate (3c), and the shell both ends (3a) are sealed by end socket (3e), horizontal Tube side import, the tube side outlet of condenser (3) are divided on two end sockets (3e), the shell side import of horizontal condenser (3), shell side Outlet is set on shell (3a), is set annular recess (3f) on heat exchanger tube (3d) outer wall, is rotatably set in annular recess (3f) It sets disturbing flow device (6), the disturbing flow device (6) is included in the torus (6a) rotated in annular recess (3f), torus (6a) Upper circumferential direction is evenly distributed with four spoilers, and the spoiler includes being connected to torus (6a) lateral wall and tilting along cooling water circulating direction The first tilting section (6b), be connected to the second tilting section (6c) of the first tilting section (6b), first tilting section (6b), second incline The oblique angled α of section (6c) institute is obtuse angle.

8. a kind of production of resins system as described in claim 1, it is characterised in that：Buffering recycling can (4) includes tank body (4a), An import (4b) is set at the top of tank body (4a), the middle and upper part tank body (4a) is set secondary import (4c), the pipe of the horizontal condenser (3) Journey outlet buffers the secondary import (4c) of recycling can (4), the interior handicapping liquid dress of the tank body (4a) on the upside of secondary import (4c) It sets, the liquid-blocking unit includes the support (4d) in conical surface shape, and the support (4d) is connected to tank body (4a) by attachment base (4e) Roof, support (4d) bottom surface set the dropping liquid part (4f) of tetrapyamid shape, and the bottom surface of the dropping liquid part (4f) is connected to support (4d) Bottom surface.

9. a kind of production of resins system as claimed in claim 8, it is characterised in that：The attachment base (4e) is rotatably connected to Tank body (4a) roof.

10. a kind of production of resins system as claimed in claim 8, it is characterised in that：Tail gas is equipped at the top of the tank body (4a) It manages (4g).