CN110385097A

CN110385097A - A kind of esterifier for modified PBT

Info

Publication number: CN110385097A
Application number: CN201910706766.4A
Authority: CN
Inventors: 俞正标
Original assignee: Hangzhou Happy Engineering Plastics Co Ltd
Current assignee: Hangzhou Happy Engineering Plastics Co Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2019-10-29

Abstract

The invention discloses a kind of esterifiers for modified PBT, including main body, the outside of the main body is provided with shell, the shell is internally provided with electric heating wire, the outer surface side of the main body is fixedly installed with electric heating control panel, and the output end of electric heating control panel and the input terminal of electric heating wire are electrically connected, the interior side of the shell is fixedly installed with inner casing, is provided with cavity between the shell and inner casing.A kind of esterifier for modified PBT of the present invention, pass through the mercury layer of setting, can according to mercury temperature by the heating and temperature control of esterifier within 356.7 DEG C, avoiding temperature is more than 356.7 DEG C of losses for causing internal raw material, through plate be by clip clamping in temperature alarming device, through plate can be replaced after alarm is primary, convenient for being used for multiple times, through plate is only needed to change just to be used multiple times, the loss of raw material is reduced on a through plate, it effectively reduces cost, brings better prospect of the application.

Description

A kind of esterifier for modified PBT

Technical field

The present invention relates to esterifier field, in particular to a kind of esterifier for modified PBT.

Background technique

It is reacted during being processed to modified PBT frequently with esterifier, by the raw material of esterification It is added in reactor, while catalyst is added, and control temperature, pressure and mixing uniformity, wherein temperature is to influence to be modified An important factor for PBT；Existing esterifier is unable to satisfy the control to maximum temperature, the reaction temperature highest of modified PBT It must not exceed 360 DEG C, be easy when being heated to esterifier because of the denaturation damage beyond modified PBT caused by reaction temperature It loses, waste raw material cost, certain influence is brought to the use process of people, for this purpose, it is proposed that a kind of be used for modified PBT Esterifier.

A kind of esterifier is disclosed in patent CN110028657A, traditional equipment set can be completed Processing reaction is after all processed into one group of esterifier, and tooling cost and time are saved, while it is anti-to meet esterification Feeding manner, pressure, humidity, temperature and the control of stirring are changed in answering, whole device structure is simple, and it is multiple functional, more preferably Meet esterification needed for condition, to material feeding box inside dose reaction needed for appropriate slurry, in the drive of cylinder operation Lower telescopic rod drives push plate to retract, and slurry enters runner along material hole and then flows into esterifier, can be to charging Amount is controlled, and the primary use for feeding or repeatedly feeding is met.But it is in the accuracy control and early warning of heating temperature Aspect is unsatisfactory, and the present invention is directed to this technical problem, proposes a kind of esterifier for modified PBT.

Summary of the invention

The main purpose of the present invention is to provide a kind of esterifier for modified PBT, by the mercury layer of setting, Can according to mercury temperature by the heating and temperature control of esterifier within 356.7 DEG C, avoid temperature from being more than 356.7 DEG C and make At the loss of internal raw material, through plate be through clip clamping in temperature alarming device, can be to connection after alarm is primary Plate is replaced, and convenient for being used for multiple times, is only needed to change through plate and is just used multiple times, and the loss of raw material is reduced to a connection On plate, the problems in background technique can be effectively solved.

To achieve the above object, the technical scheme adopted by the invention is as follows:

A kind of esterifier for modified PBT, including main body, the outside of the main body are provided with shell, the shell It is internally provided with electric heating wire, the outer surface side of the main body is fixedly installed with electric heating control panel, and electric heating control The output end of panel and the input terminal of electric heating wire are electrically connected, and the interior side of the shell is fixedly installed with inner casing, described Cavity is provided between shell and inner casing, the inside of the cavity is filled with mercury layer.

Preferably, the outer surface of the main body is also fixedly installed with temperature alarming device, before the temperature alarming device End outer surface is provided with buzzer and control button, and buzzer is located at the upper end of control button, the temperature alarming device Inside, which is run through, offers perforation, and perforates between buzzer and control button, and the two sidewalls of the perforation are fixedly mounted There is elastic slice, the inside of the perforation is plugged with through plate, and the through plate is connected by two groups of elastic slices and temperature alarming device clamping It connects, the through plate and is mounted on gasket seal through the inside of shell side on the shell of through plate surrounding, the company One end of logical plate is located at the inside of cavity.

Preferably, the rear end of the buzzer is fixedly installed with No.1 conducting wire and No. two conducting wires, and the one of the No.1 conducting wire End is fixedly installed with power supply, and the lower end of the power supply is welded with No.1 contact, the lower end of No. two conducting wires by No.1 conducting wire No. two contacts are welded with, the rear end of the control button is equipped with No. three conducting wires and No. four conducting wires, the upper end of No. three conducting wires No. three contacts are welded with, the upper end of No. four conducting wires is welded with No. four contacts, and No.1 contact, No. two contacts, No. three contacts It is respectively positioned on same straight line with No. four contacts.

Preferably, the upper end of the through plate is from left to right successively welded with No.1 guide card and No. two guide cards, the connection The lower end of plate is from left to right successively welded with No. six guide cards, No. five guide cards, No. four guide cards, protection guide card and No. three guide cards, and four Number guide card, protection guide card and No. three guide card equidistantly distributeds, the lower end of the No.1 guide card is fixedly installed with No. seven conducting wires, described No. seven conducting wires are fixedly connected with No. six guide cards by No. seven conducting wires through the inside of through plate, the No.1 guide card, and described two The side of number guide card is welded with No. five conducting wires, and No. two guide cards are fixedly connected with No. three guide cards by No. five conducting wires, and described five The side of number guide card is welded with No. six conducting wires, and No. five guide cards are fixedly connected by No. six conducting wires with No. four guide cards.

Preferably, the No.1 guide card, No. two guide cards, No. five guide cards and No. six guide cards are respectively positioned on the interior of temperature alarming device Portion, No. four guide cards, protection guide card and No. three guide cards are respectively positioned on the upper end of mercury floor, the No.1 contact and No.1 guide card phase Contact, No. two contacts are in contact with No. two guide cards, and No. three contacts are in contact with No. six guide cards, No. four contacts and No. five guide cards are in contact.

Preferably, the upper end of the main body is fixedly installed with No.1 connection rowland, and the upper end of the No.1 connection rowland is logical It crosses and has been bolted No. two connection rowlands, the upper end of No. two connections rowland is fixedly installed with upper cover, the upper end of the upper cover Middle position is fixedly installed with bracket, and the upper end of the bracket is fixedly installed with speed changer, the fixed peace in the upper end of the speed changer Equipped with motor, the lower end of the motor is provided with shaft, and the shaft is flexibly connected with speed changer, and shaft is through speed change The inside of device, bracket and upper cover, the input terminal of the motor and the output end of control panel are electrically connected.

Preferably, the lower end of the shaft is fixedly installed with paddle, and the upper end of paddle offers several groups through-hole, The through-hole and paddle tapping are provided with arc groove.

Preferably, the upper end of the upper cover, which interlinks, is connected to No.1 feed inlet and No. two feed inlets, and bracket is located at No.1 Between feed inlet and No. two feed inlets, blow vent, the lower end phase of the main body are offered on the upper lid of the bracket front end Lead to and be connected to drainage conduit, blow-off valve is installed in the drainage conduit.

Compared with prior art, the invention has the following beneficial effects:

By the mercury layer of setting, can according to mercury temperature by the heating and temperature control of esterifier within 356.7 DEG C, The maximum temperature for just meeting modified PBT required reaction in esterifier, the mercury when temperature is more than 356.7 DEG C degrees Celsius Boiling, the mercury of splashing are stained with the gap between through plate lower end protection guide card and No. four guide cards, No. three guide cards and protection guide card On, so that forming the circuit of conducting between buzzer and control button, buzzer work issues police instruction, and operator can Stop the heating work to electric heating wire at once, meet the process requirements of modified PBT, avoid temperature be more than 356.7 DEG C cause in The loss of portion's raw material, through plate be through clip clamping in temperature alarming device, after alarm is primary can to through plate into Row replacement, convenient for being used for multiple times, only needs to change through plate and is just used multiple times, the loss of raw material is reduced to a through plate On, it effectively reduces cost；The heat transfer efficiency of mercury layer is preferable simultaneously, preferably realizes within the scope of specified temperature to internal ester Change the heating of reaction, the protection guide card of setting can effectively prevent mercury accidentally to encounter the error generated between guide card.

Part is not directed in the device to be the same as those in the prior art or can be realized by using the prior art.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of the esterifier for modified PBT of the present invention；

Fig. 2 is a kind of partial sectional view of the esterifier for modified PBT of the present invention；

Fig. 3 is a kind of enlarged drawing of the temperature alarming device of the esterifier for modified PBT of the present invention；

Fig. 4 is the enlarged drawing of A in a kind of Fig. 2 for the esterifier of modified PBT of the present invention；

Fig. 5 is a kind of cross-sectional view of the through plate of the esterifier for modified PBT of the present invention；

Fig. 6 is a kind of partial sectional view of the paddle of the esterifier for modified PBT of the present invention.

In figure: 1, main body；2, No.1 connects rowland；3, No. two connection rowlands；4, upper cover；5, temperature alarming device；6, one Number feed inlet；7, No. two feed inlets；8, blow vent；9, bracket；10, speed changer；11, motor；12, shaft；13, drainage conduit；14, Through-hole；15, shell；16, cavity；17, inner casing；18, mercury layer；19, buzzer；20, control button；21, it perforates；22, elastic slice； 23, No.1 conducting wire；24, paddle；25, No. two conducting wires；26, No. three conducting wires；27, No. four conducting wires；28, through plate；29, No.1 is led Piece；30, No. two guide cards；31, No. five conducting wires；32, No. three guide cards；33, guide card is protected；34, No. four guide cards；35, No. six conducting wires； 36, No. five guide cards；37, No. six guide cards；38, No. seven conducting wires；39, arc groove.

Specific embodiment

To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to Specific embodiment, the present invention is further explained.

Embodiment

As shown in Fig. 2, a kind of esterifier for modified PBT, including main body 1, the outside of main body 1 are provided with shell 15, shell 15 is internally provided with electric heating wire, and the outer surface side of main body 1 is fixedly installed with electric heating control panel, and electricity The output end of computer heating control panel and the input terminal of electric heating wire are electrically connected, and the interior side of shell 15 is fixedly installed with inner casing 17, cavity 16 is provided between shell 15 and inner casing 17, the inside of cavity 16 is filled with mercury layer 18, and mercury layer 18 reaches boiling point It can splash at 356.7 DEG C of temperature.

As in Figure 2-4, the outer surface of main body 1 is also fixedly installed with temperature alarming device 5, before temperature alarming device 5 End outer surface is provided with buzzer 19 and control button 20, and buzzer 19 is located at the upper end of control button 20, temperature alarming dress 5 inside is set through offering perforation 21, and perforates 21 between buzzer 19 and control button 20, perforate 21 two sidewalls It is fixedly installed with elastic slice 22,21 inside of perforating is plugged with through plate 28, and through plate 28 passes through two groups of elastic slices 22 and temperature report Alarm device 5 is in clamping connection, and through plate 28 and is respectively mounted through the inside of 15 side of shell on the shell 15 of 28 surrounding of through plate There is gasket seal, one end of through plate 28 is located at the inside of cavity 16, and originally control button 20 is closed state.

As shown in figure 4, the rear end of buzzer 19 is fixedly installed with No.1 conducting wire 23 and No. two conducting wires 25, No.1 conducting wire 23 One end is fixedly installed with power supply, and the lower end of power supply is welded with No.1 contact, the lower end weldering of No. two conducting wires 25 by No.1 conducting wire 23 No. two contacts are connected to, the rear end of control button 20 is equipped with No. three conducting wires 26 and No. four conducting wires 27, the upper end weldering of No. three conducting wires 26 No. three contacts are connected to, the upper end of No. four conducting wires 27 is welded with No. four contacts, and No.1 contact, No. two contacts, No. three contacts and four Number contact is respectively positioned on same straight line.

As shown in figure 5, the upper end of through plate 28 is from left to right successively welded with No.1 guide card 29 and No. two guide cards 30, connection The lower end of plate 28 is from left to right successively welded with the guide card 36, four of No. six guide cards 37, five guide card 34, protects guide card 33 and No. three Guide card 32, and No. four guide cards 34, protection guide card 33 and No. three 32 equidistantly distributeds of guide card, the lower end of No.1 guide card 29 are fixedly mounted There are No. seven conducting wires 38, No. seven conducting wires 38 are led with No. six guide cards 37 by No. seven through the inside of through plate 28, No.1 guide card 29 Line 38 is fixedly connected, and the side of No. two guide cards 30 is welded with No. five conducting wires 31, and No. two guide cards 30 and No. three guide cards 32 pass through No. five Conducting wire 31 is fixedly connected, and the side of No. five guide cards 36 is welded with No. six conducting wires 35, and No. five guide cards 36 by No. six conducting wires 35 with No. four guide cards 34 are fixedly connected.

As shown in figs. 4 and 5, the guide card 36 of guide card 30, five of No.1 guide card 29, two and No. six guide cards 37 are respectively positioned on temperature The inside of warning device 5, No. four guide cards 34, protection guide card 33 and No. three guide cards 32 are respectively positioned on the upper end of mercury floor 18, No.1 touching Piece is in contact with No.1 guide card 29, and No. two contacts are in contact with No. two guide cards 30, and No. three contacts are in contact with No. six guide cards 37, and four Number contact is in contact with No. five guide cards 36, can be powered between contact and guide card, the position of each contact in the inside of temperature alarming device 5 It is fixed for setting, and the position of each guide card is also fixed, each insertion through plate 28, between contact and guide card on through plate 28 Conduction can be contacted.

As shown in Figure 1, the upper end of main body 1 is fixedly installed with No.1 connection rowland 2, the upper end of No.1 connection rowland 2 passes through No. two connection rowlands 3 are bolted, the upper end of No. two connection rowlands 3 is fixedly installed with upper cover 4, the upper end interposition of upper cover 4 It sets and is fixedly installed with bracket 9, the upper end of bracket 9 is fixedly installed with speed changer 10, and the upper end of speed changer 10 is fixedly installed with motor 11, the lower end of motor 11 is provided with shaft 12, and shaft 12 is flexibly connected with speed changer 10, and shaft 12 through speed changer 10, The inside of bracket 9 and upper cover 4, the input terminal of motor 11 and the output end of control panel are electrically connected, and connect the company between rowland Connecing, which can satisfy, carries out installation and removal to reactor, is conveniently replaceable internal each device, and realization is used for multiple times.

As shown in Fig. 2 and Fig. 6, the lower end of shaft 12 is fixedly installed with paddle 24, and the upper end of paddle 24 offers Several groups through-hole 14, through-hole 14 and 24 tapping of paddle are provided with arc groove 39, the arc groove that 14 side of through-hole opens up 39 can be avoided the accumulation of edges and corners raw material, and convenient for cleaning to paddle 24, while the setting of through-hole 14 enables to stir Being sufficiently mixed for lower internal raw material is mixed, when paddle 24 rotates, raw material is assembled after passing through through-hole 14, gathers again by after through-hole 14 Collection, and so on, it repeatedly can be realized after stirring uniformly mixed.

As shown in Figure 1, the upper end of upper cover 4, which interlinks, is connected to No.1 feed inlet 6 and No. two feed inlets 7, and bracket 9 is located at one Number between feed inlet 6 and No. two feed inlets 7, blow vent 8, the lower end phase of main body 1 are offered in the upper cover 4 of 9 front end of bracket Lead to and be connected to drainage conduit 13, blow-off valve is installed in drainage conduit 13, feed inlet adding raw materials and catalyst, blow vent can be passed through 8 meet the needs of internal pressure for connecting with ambient pressure control device.

It should be noted that the present invention is a kind of esterifier for modified PBT, when in use, firstly, by the dress Set and be placed on level ground by the supporting leg of bottom end, control panel is connect with external power supply, for control electric heating wire with The work of motor 11, respectively by No.1 feed inlet 6 and No. two 7 adding raw materials of feed inlet and catalyst, blow vent 8 is used for and outside Pneumatic controller connection in boundary's meets the needs of internal pressure, and the control rotation of motor 11 is stirred internal raw material, through-hole 14 Setting enable to stir being sufficiently mixed for lower internal raw material, when paddle 24 rotates, raw material is assembled after passing through through-hole 14, then It is secondary by assembling after through-hole 14, and so on, uniformly mixed, while the circle that 14 side of through-hole opens up repeatedly can be realized after stirring Arc fluting 39 can be avoided the accumulation of edges and corners raw material, and convenient for cleaning to paddle 24, control electric heating wire work is internal Portion is heated, and by the mercury layer 18 of setting, the heating and temperature control of esterifier can be existed according to mercury temperature Within 356.7 DEG C, just meet the maximum temperature of modified PBT required reaction in esterifier, when temperature is more than 356.7 DEG C Degree Celsius when mercury boil, the mercury of splashing be stained with 28 lower end of through plate protection 34, No. three guide cards 32 of guide card 33 and No. four guide cards On gap between protection guide card 33, so that the circuit of conducting is formed between buzzer 19 and control button 20, buzzer 19 Work issues police instruction, and operator can stop the heating work to electric heating wire at once, meet the processing need of modified PBT It asks, avoiding temperature is more than 356.7 DEG C of losses for causing internal raw material, presses control button 20, and the circuit be connected at this time disconnects, bee The ring work of device 19 stops working, and through plate 28 is connected in temperature alarming device 5 by elastic slice 22, can after alarm is primary Through plate 28 is replaced, convenient for being used for multiple times, through plate 28 is only needed to change and is just used multiple times, the loss of raw material is reduced Onto a through plate 28, effectively reduce cost；The heat transfer efficiency of mercury layer 18 is preferable simultaneously, within the scope of specified temperature more Heating of the good realization to internal esterification, the protection guide card 33 of setting can effectively prevent mercury accidentally to encounter between guide card producing Raw error, the modified PBT for reacting completion can be discharged by the drainage conduit 13 of bottom end, can be powered between contact and guide card, The position of each contact in the inside of temperature alarming device 5 is fixed, and the position of each guide card is also fixation on through plate 28, often Secondary insertion through plate 28 can contact conduction between contact and guide card, more practical.

The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims

1. the outside of a kind of esterifier for modified PBT, including main body (1), the main body (1) is provided with shell (15), the shell (15) is internally provided with electric heating wire, and the outer surface side of the main body (1) is fixedly installed with electric heating Control panel, and the input terminal of the output end of electric heating control panel and electric heating wire is electrically connected, it is characterised in that: it is described outer The interior side of shell (15) is fixedly installed with inner casing (17), is provided with cavity (16) between the shell (15) and inner casing (17), The inside of the cavity (16) is filled with mercury layer (18).

2. a kind of esterifier for modified PBT according to claim 1, it is characterised in that: the main body (1) Outer surface is also fixedly installed with temperature alarming device (5), and the leading exterior surface of the temperature alarming device (5) is provided with buzzer (19) with control button (20), and buzzer (19) is located at the upper end of control button (20).

3. a kind of esterifier for modified PBT according to claim 2, it is characterised in that: the temperature alarming The inside of device (5), which is run through, to be offered perforation (21), and perforation (21) is located between buzzer (19) and control button (20), institute The two sidewalls for stating perforation (21) are fixedly installed with elastic slice (22), and the inside of the perforation (21) is plugged with through plate (28), institute It states through plate (28) and is in clamping connection with temperature alarming device (5) by two groups of elastic slices (22), the through plate (28) is through outer The inside of shell (15) side, and gasket seal is mounted on the shell (15) of through plate (28) surrounding, the through plate (28) One end be located at the inside of cavity (16).

4. a kind of esterifier for modified PBT according to claim 3, it is characterised in that: the buzzer (19) rear end is fixedly installed with No.1 conducting wire (23) and No. two conducting wires (25), and one end of the No.1 conducting wire (23) is fixedly mounted There is power supply, the lower end of the power supply is welded with No.1 contact, the lower end weldering of No. two conducting wires (25) by No.1 conducting wire (23) It is connected to No. two contacts, the rear end of the control button (20) is equipped with No. three conducting wires (26) and No. four conducting wires (27), and described No. three The upper end of conducting wire (26) is welded with No. three contacts, and the upper end of No. four conducting wires (27) is welded with No. four contacts, and No.1 contact, No. two contacts, No. three contacts and No. four contacts are respectively positioned on same straight line.

5. a kind of esterifier for modified PBT according to claim 4, it is characterised in that: the through plate (28) upper end is from left to right successively welded with No.1 guide card (29) and No. two guide cards (30), the lower end of the through plate (28) from It is left-to-right to be successively welded with No. six guide cards (37), No. five guide cards (36), No. four guide cards (34), protection guide card (33) and No. three guide cards (32), and No. four guide cards (34), protection guide card (33) and No. three guide card (32) equidistantly distributeds, under the No.1 guide card (29) End is fixedly installed with No. seven conducting wires (38), inside of No. seven conducting wires (38) through through plate (28), the No.1 guide card (29) it is fixedly connected with No. six guide cards (37) by No. seven conducting wires (38), the side of No. two guide cards (30) is welded with No. five and leads Line (31), No. two guide cards (30) are fixedly connected with No. three guide cards (32) by No. five conducting wires (31), No. five guide cards (36) side is welded with No. six conducting wires (35), and No. five guide cards (36) are fixed with No. four guide cards (34) by No. six conducting wires (35) Connection.

6. a kind of esterifier for modified PBT according to claim 5, it is characterised in that: the No.1 guide card (29), No. two guide cards (30), No. five guide cards (36) and No. six guide cards (37) are respectively positioned on the inside of temperature alarming device (5), described No. four guide cards (34), protection guide card (33) and No. three guide cards (32) are respectively positioned on the upper ends of mercury floor (18), the No.1 contact with No.1 guide card (29) is in contact, and No. two contacts are in contact with No. two guide cards (30), No. three contacts and No. six guide cards (37) it is in contact, No. four contacts are in contact with No. five guide cards (36).

7. a kind of esterifier for modified PBT according to claim 1, it is characterised in that: the main body (1) Upper end is fixedly installed with No.1 connection rowland (2), and No. two connections have been bolted in the upper end of No.1 connection rowland (2) The upper end of rowland (3), No. two connections rowland (3) is fixedly installed with upper cover (4), the upper end middle position of the upper cover (4) It is fixedly installed with bracket (9), the upper end of the bracket (9) is fixedly installed with speed changer (10), the upper end of the speed changer (10) It is fixedly installed with motor (11), the lower end of the motor (11) is provided with shaft (12), the shaft (12) and speed changer (10) It is flexibly connected, and shaft (12) is through the inside of speed changer (10), bracket (9) and upper cover (4), the input of the motor (11) End and the output end of control panel are electrically connected.

8. a kind of esterifier for modified PBT according to claim 7, it is characterised in that: the shaft (12) Lower end be fixedly installed with paddle (24), and the upper end of paddle (24) offers several groups through-hole (14), the through-hole (14) paddle (24) tapping is provided with arc groove (39).

9. a kind of esterifier for modified PBT according to claim 6, it is characterised in that: the upper cover (4) Upper end, which interlinks, is connected to No.1 feed inlet (6) and No. two feed inlets (7), and bracket (9) be located at No.1 feed inlet (6) with No. two into Between material mouth (7), offered blow vent (8) in the upper cover (4) of the bracket (9) front end, the lower end phase of the main body (1) Lead to and be connected to drainage conduit (13), blow-off valve is installed on the drainage conduit (13).