CN209259976U - 1,1- cyclohexanediacetic acid monoamides acidizing device - Google Patents

Abstract

The utility model is suitable for chemical production device technical field, one kind 1 is provided, 1- cyclohexanediacetic acid monoamides acidizing device, including acid adding tank, reactor tank, controller, temperature sensor and pH sensor, reactor tank includes tank body, first charging aperture, reactor tank second charging aperture, reactor tank discharge port, mixing component and collet, and collet is connected to by water supplying pipe with extraneous cooling water source；The first electric controlled regulating valve is equipped between reactor tank first charging aperture and acid adding tank discharge port, water supplying pipe is equipped with the second electric controlled regulating valve；Flow of the controller according to temperature sensor and pH sensor signal control the first electric controlled regulating valve and the second electric controlled regulating valve.Provided by the utility model 1,1- cyclohexanediacetic acid monoamides acidizing device, substantially 1 is realized, the automatic operation of 1- cyclohexanediacetic acid monoamides acidification, excessive artificial cumbersome detection and operation are avoided, improves yield, and pH sensor precision is higher, it is provided safeguard to produce higher-quality 1,1- cyclohexanediacetic acid monoamides.

Description

1,1- cyclohexanediacetic acid monoamides acidizing device

Technical field

The utility model belongs to chemical production device technical field, is to be related to a kind of 1,1 cyclohexyl diethyl more specifically Sour monoamides acidizing device.

Background technique

1,1- cyclohexanediacetic acid monoamides is the important intermediate for synthesizing antiepileptic Gabapentin, in production process Acidification step needs to control reaction acidity and temperature, in traditional production process, mainly by manually adjusting acid adding (vinegar Acid) speed controls temperature, by measuring pH value frequently come Controlled acidity.Reaction process not only artificial cumbersome large labor intensity And since acidity assaying inaccuracy influences product quality, production efficiency is reduced.

Utility model content

The purpose of this utility model is to provide one kind 1,1- cyclohexanediacetic acid monoamides acidizing devices, it is intended to solve existing There is technology is existing during being acidified 1,1- cyclohexanediacetic acid monoamides to reduce because of artificial cumbersome large labor intensity Production efficiency technical problem.

1,1 cyclohexanediacetic acid monoamides acid of one kind that in order to achieve the above purposes, the technical solution adopted by the utility model is: Makeup is set, including acid adding tank and reactor tank, and the reactor tank includes tank body, the charging of reactor tank first on the tank body Mouth, reactor tank second charging aperture, reactor tank discharge port, set on the tank interior mixing component and be wrapped in the tank body Outside simultaneously carries out cooling collet to the tank body for being connected to extraneous cooling water source, the reactor tank first charging aperture with it is described The discharge port of acid adding tank is connected to, and the collet is connected to extraneous cooling water source by water supplying pipe and is discharged by outlet pipe, described 1,1 cyclohexanediacetic acid monoamides acidizing devices further include controller, the temperature biography for measuring the reactor tank internal temperature Sensor and pH sensor for measuring the reactor tank internal pH-values；The reactor tank first charging aperture and the acid adding The first electric controlled regulating valve for adjusting acid adding flow is equipped between the discharge port of tank, the water supplying pipe is equipped with for adjusting cooling Second electric controlled regulating valve of water flow；The input terminal of the temperature sensor and the pH sensor and the controller is electrical The output end of connection, first electric controlled regulating valve and second electric controlled regulating valve and the controller is electrically connected；It is described Controller controls first electric controlled regulating valve and institute according to the signal of the temperature sensor and the pH value sensor respectively State the flow of the second electric controlled regulating valve.

Further, first electric controlled regulating valve and/or second electric controlled regulating valve are the adjusting of electropneumatic flow Valve.

Further, the mixing component includes driving shaft and provides the driver of power, the drive for the driving shaft Dynamic device is set to the top of the tank body, and the company that rotation is driven by the driving shaft is from top to bottom sequentially installed on the driving shaft Connect frame and driving gear, the mixing component further includes the driven shaft hinged with the connection frame, the axial direction of the driven shaft with The driving shaft is arranged in an axially parallel mode, and the driven gear engaged with the driving gear is provided on the driven shaft, described Driven shaft is equipped with several stirring blades being axially distributed around the driven shaft.

Further, the stirring blade includes at least one and vertically disposed first body of rod of the driven shaft and several Second body of rod for being arranged on first body of rod and being vertically connected with first body of rod.

Further, the driver is the servo motor being electrically connected with the output end of the controller, the servo Motor is fixed on the tank body.

Further, the reactor tank further includes the pedestal for being used to support the tank body, the tank body and the pedestal it Between be equipped with the weighing sensor being electrically connected with the input terminal of the controller.

Further, 1, the 1- cyclohexanediacetic acid monoamides acidizing device further includes display screen, the display screen with The controller output end is electrically connected.

Further, 1, the 1- cyclohexanediacetic acid monoamides acidizing device further includes display screen, the display screen with The controller output end is electrically connected.

1,1- cyclohexanediacetic acid monoamides acidizing device provided by the utility model, by the way that temperature sensor, pH is arranged Value sensor, the first electric controlled regulating valve for adjusting acid adding flow, the second electric controlled regulating valve for adjusting cooling water flow And controller, it realizes the automatic operation of 1,1- cyclohexanediacetic acid monoamides acidification substantially using the present apparatus, avoids excessive Artificial cumbersome detection and operation, reduce labor intensity, improve yield, and using pH sensor detection pH value precision it is higher, It is provided safeguard to produce higher-quality 1,1 cyclohexanediacetic acid monoamides.

Detailed description of the invention

Fig. 1 is the schematic diagram of 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the embodiment of the utility model；

Fig. 2 is the enlarged drawing in Fig. 1 at A.

In figure: 1- acid adding tank；2- tank body；3- reactor tank first charging aperture；4- reactor tank second charging aperture；5- reactor tank Discharge port；6- collet；7- controller；8- temperature sensor；9-pH value sensor；The first electric controlled regulating valve of 10-；The second electricity of 11- Control regulation valve；12- driving shaft；13- driver；14- connection frame；15- driving gear；16- driven shaft；17- driven gear；18- First body of rod；Second body of rod of 19-；20- pedestal；21- weighing sensor；22- display screen.

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It should also be noted that, unless otherwise clearly defined and limited, " installation ", " connected ", " connection ", " fixation ", Terms such as " settings " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside a element.For the ordinary skill in the art, Ke Yigen The concrete meaning of above-mentioned term in the present invention is understood according to concrete condition.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In addition, " multiple ", " several " are meant that two or more, unless Separately there is clearly specific restriction.

Referring to Figure 1, now to the embodiment of 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the utility model It is illustrated.1,1- cyclohexanediacetic acid monoamides acidizing device, including acid adding tank 1 and reactor tank.Reactor tank includes tank body 2, the reactor tank first charging aperture 3 on tank body 2, reactor tank second charging aperture 4, reactor tank discharge port 5, be set to tank body 2 in It the mixing component in portion and is wrapped in the outside of tank body 2 and carries out cooling collet 6 to tank body 2 for being connected to extraneous cooling water source.

Reactor tank first charging aperture 3 is connected to the discharge port of acid adding tank 1, and reactor tank second charging aperture 4 is then for for production Entering for other raw materials of 1,1- cyclohexanediacetic acid monoamides uses.The production process meeting of 1,1 cyclohexanediacetic acid monoamides Amount of heat is discharged, collet 6 is the prior art, is connected to by water supplying pipe with extraneous cooling water source, and carry out by outlet pipe Water outlet, cooling water cool down to reactor tank by collet 6 after entering collet 6.

1,1- cyclohexanediacetic acid monoamides acidizing device provided by the embodiment of the utility model further includes controller 7, uses Temperature sensor 8 in measurement reactor tank (tank body 2) internal temperature and pH for measuring reactor tank (tank body 2) internal pH-values It is worth sensor 9.In addition, being equipped between reactor tank first charging aperture 3 and the discharge port of acid adding tank 1 for adjusting acid adding flow (i.e. The flow of the acidic materials in acid adding tank 1 is flowed into from reactor tank first charging aperture 3) the first electric controlled regulating valve 10, water supplying pipe Equipped with the second electric controlled regulating valve 11 for adjusting cooling water flow.

It can be in industrial circle common control element or control dress unit with controller, for example, industrial personal computer (such as grind China IPC-610H model), PLC (such as Siemens S7-300 model), single-chip microcontroller (such as 51 series), control circuit or DCS (Distributed Control System) etc..First electric controlled regulating valve 10 and the second electric controlled regulating valve 11 can be automatically controlled watch Take flow valve, automatically controlled proportional flow control valve, electrically controlled and hydraulically flow valve or electropneumatic flow valve etc..

The input terminal of temperature sensor 8 and pH sensor 9 and controller 7 is electrically connected, 10 He of the first electric controlled regulating valve The output end of second electric controlled regulating valve 11 and controller 7 is electrically connected.That is, temperature sensor 8 and pH sensor 9 are respectively to control Device 7 processed transmits the temperature signal and pH value signal inside tank body 2, and controller 7 is according to temperature sensor 8 and pH sensor 9 Feedback signal controls the flow of the first electric controlled regulating valve 10 and the second electric controlled regulating valve 11 respectively.

1,1- cyclohexanediacetic acid monoamides, which produces reaction process, becomes exothermic reaction, and acid adding can improve reaction temperature, benefit Temperature is reduced with cooling water, is needed in the production reaction process of 1,1- cyclohexanediacetic acid monoamides by reactor tank inner setting PH value is maintained at 2-3, and temperature is maintained at 30-60 DEG C.

Optionally, a kind of control of 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the embodiment of the utility model Logic are as follows: 1, the pH value inside the tank body 2 that pH sensor 9 is fed back when reaching limit value (i.e. pH value≤2) or work as temperature sensing When the temperature inside tank body 2 that device 8 is fed back reaches upper limit value (i.e. temperature >=60 DEG C), controller 7 controls the first electric controlled regulating valve 10 close；When pH value inside the tank body 2 that pH sensor 9 is fed back is not up to limit value (i.e. pH value > 2) and work as temperature sensing When the temperature inside tank body 2 that device 8 is fed back is not up to upper limit value (i.e. 60 DEG C of temperature <), it is automatically controlled that controller 7 controls always first Regulating valve 10 is opened, and the acidic materials in acid adding tank 1 is made to enter reactor tank.

2, when the temperature inside the tank body 2 that temperature sensor 8 is fed back reaches lower limit value (i.e. temperature≤30 DEG C), control Device 7 controls the second electric controlled regulating valve 11 and closes；Temperature inside the tank body 2 that temperature sensor 8 is fed back is not up to limit value (i.e. 30 DEG C 60 DEG C of < temperature <) when, controller 7 controls always the unlatching of the second electric controlled regulating valve 11, i.e., make always collet 6 to tank body 2 into Row cooling effect.

Optionally, as a kind of optimization processing mode on the basis of above-mentioned control logic: 3, being fed back when pH sensor 9 When pH value inside tank body 2 is higher or temperature inside the tank body 2 that temperature sensor 8 is fed back is lower, controller 7 controls the The aperture of one electric controlled regulating valve 10 is bigger, and more acidic materials is allow to enter reactor tank out of acid adding tank 1；When pH value senses Device 9 feed back tank body 2 inside pH value it is higher or when temperature sensor 8 feed back tank body 2 inside temperature it is lower when, control The aperture that device 7 controls the second electric controlled regulating valve 11 is smaller, reduces cooling effect.Inside the tank body 2 that pH sensor 9 is fed back PH value it is lower or when temperature sensor 8 feed back tank body 2 inside temperature it is higher when, controller 7 control the first automatically controlled adjusting The aperture of valve 10 is smaller, reduces acidic materials and enters reactor tank out of acid adding tank 1；When in the tank body 2 that pH sensor 9 is fed back When the pH value in portion is lower or temperature inside the tank body 2 that temperature sensor 8 is fed back is higher, controller 7 controls second automatically controlled The aperture of regulating valve 11 is bigger, increases cooling effect.

In this way, 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the embodiment of the utility model utilizes above structure The automation of 1,1- cyclohexanediacetic acid monoamides acidification is achieved that with control logic, avoid excessive artificial cumbersome detection and Operation, and precision is higher.

1,1- cyclohexanediacetic acid monoamides acidizing device provided by the embodiment of the utility model, by the way that temperature sensing is arranged Device, pH sensor, the first electric controlled regulating valve for adjusting acid adding flow, for adjusting cooling water flow second automatically controlled tune Valve and controller are saved, the automatic operation of 1,1 cyclohexanediacetic acid monoamides acidification is realized substantially using the present apparatus, avoided More artificial cumbersome detections and operation reduce labor intensity, improve yield, and more using pH sensor detection pH value precision Height provides safeguard to produce higher-quality 1,1 cyclohexanediacetic acid monoamides.

As a kind of specific embodiment of 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the utility model, First electric controlled regulating valve 10 and/or the second electric controlled regulating valve 11 are electropneumatic flow control valve.

Referring to Figure 1 and Fig. 2, one as 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the utility model Kind specific embodiment, mixing component include driving shaft 12 and provide the driver 13 of power for driving shaft 12, and driver 13 is set In the top of tank body 2.Connection frame 14 and the active that rotation is driven by driving shaft 12 are from top to bottom sequentially installed on driving shaft 12 Gear 15, connection frame 14 and driving shaft 12 can be connected by welding, key connection or interference fit, and connection frame 14 is with driving shaft 12 Rotation and rotation.

Driving gear 15 can be connected by key or be interference fitted connection and be connected with driving shaft 12, and driving gear 15 follows 12 1 pieces of progress rotations of driving shaft.Mixing component further includes the driven shaft 16 hinged with connection frame 14, the axial direction of driven shaft 16 with Driving shaft 12 is arranged in an axially parallel mode, and driven shaft 16 can carry out rotation relative to connection frame 14, and driven shaft 16 can also be with company It connects frame 14 and carries out revolution rotation around the axis of driving shaft 12 together.Be provided on driven shaft 16 engaged with driving gear 15 from Moving gear 17, driven gear 17 can be connected by key or be interference fitted connection and be connected with driven shaft 16,17 band of driven gear Dynamic 16 1 pieces of progress rotations of driven shaft.Driven shaft 16 is equipped with several stirring blades being axially distributed around driven shaft 16.Its In, the structure of stirring blade is unlimited, can be conventional blade construction or stirring rod structure etc.；Froth breaker 7 is for being crushed tank Foam in body 1, froth breaker 7 is using conventional mechanical defoaming device.

Using the reactor tank in 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the embodiment of the utility model When being stirred operation, driver 13 drives driving shaft 12 to rotate, and driving shaft 12 drives connection frame 14 and driving gear 15 to revolve Turn.Because driven shaft 16 is hingedly arranged on connection frame 14, driven shaft 16 can revolve around the axis of driving shaft 12 Rotation, at the same time, because being provided with the driven gear 17 engaged with driving gear 15 on driven shaft 16, driven shaft 16 is also It can be driven by driven gear 17 and complete rotation, so the stirring blade being arranged on driven shaft 16 both can be public around driving shaft 12 Turn to be stirred, at the same stirring blade also can autorotation be stirred, also can in such tank body 2 close to the region of driving shaft 12 There is stronger centrifugal mixer power, this region just has relatively good mixing effect, will not generate dead zone.

Referring to Figure 1 and Fig. 2, one as 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the utility model Kind of specific embodiment, in order to obtain better mixing effect, mixing component include two driven shafts 16, on each driven shaft 16 It is designed with the driven gear 17 engaged respectively with driving gear 15, two driven shafts 16 are opposite with revolution center (i.e. driving shaft 12) It is spaced 180 degree setting.Optionally, two groups of spaced agitation blades of 180 degree are also included at least on each driven shaft 16.

Referring to Figure 1 and Fig. 2, one as 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the utility model Kind specific embodiment, stirring blade include that at least one exists with vertically disposed first body of rod 18 of driven shaft 16 and several settings Second body of rod 19 being vertically connected on first body of rod 18 and with first body of rod 18.Several second bodies of rod 19, which can be, is divided to upper and lower two Layer is vertically set on first body of rod 18.

As a kind of specific embodiment of 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the utility model, Driver 13 is the servo motor being electrically connected with the output end of controller 7, and servo motor is fixed on tank body 2.In this way Operator can control the stirring frequency of reactor tank by the slewing rate of 7 controller driver 13 of controller.

Referring to Figure 1, a kind of tool as 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the utility model Body embodiment, reactor tank further include the pedestal 20 for being used to support tank body 2, are equipped with and controller 7 between tank body 2 and pedestal 20 Input terminal be electrically connected weighing sensor 21.By the way that weighing sensor 21 is arranged, the effectively monitoring reactor tank of controller 7 can be made Weight change, for reaction real-time monitoring another foundation is provided.

Referring to Figure 1, a kind of tool as 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the utility model Body embodiment, 1,1- cyclohexanediacetic acid monoamides acidizing device provided by the embodiment of the utility model further includes display screen 22, display screen 22 and 7 output end of controller are electrically connected.In this way, display screen 22 can be by temperature sensor 8, pH sensor 9 It is shown on display panel with the monitoring numerical value of weighing sensor 21 and is read for operator.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (8)

1.1,1 cyclohexanediacetic acid monoamides acidizing devices, including acid adding tank and reactor tank, the reactor tank include tank body, Reactor tank first charging aperture, reactor tank second charging aperture, reactor tank discharge port on the tank body are set in the tank body It the mixing component in portion and is wrapped on the outside of the tank body and the tank body is carried out for being connected to extraneous cooling water source cooling Collet, the reactor tank first charging aperture are connected to the discharge port of the acid adding tank, and the collet is cold by water supplying pipe and the external world But water source is connected to and is discharged by outlet pipe, which is characterized in that described 1,1 cyclohexanediacetic acid monoamides acidizing device further includes Controller, the temperature sensor for measuring the reactor tank internal temperature and for measuring the reactor tank internal pH-values PH sensor；It is equipped between the reactor tank first charging aperture and the discharge port of the acid adding tank for adjusting acid adding flow First electric controlled regulating valve, the water supplying pipe are equipped with the second electric controlled regulating valve for adjusting cooling water flow；The temperature sensing The input terminal of device and the pH sensor and the controller is electrically connected, first electric controlled regulating valve and second electricity The output end of control regulation valve and the controller is electrically connected；The controller is passed according to the temperature sensor and the pH value The signal of sensor controls the flow of first electric controlled regulating valve and second electric controlled regulating valve respectively.

2. as described in claim 11,1 cyclohexanediacetic acid monoamides acidizing device, which is characterized in that described first is automatically controlled Regulating valve and/or second electric controlled regulating valve are electropneumatic flow control valve.

3. as described in claim 11,1 cyclohexanediacetic acid monoamides acidizing device, which is characterized in that the mixing component The driver of power is provided including driving shaft and for the driving shaft, the driver is set to the top of the tank body, the master The connection frame and driving gear that rotation is driven by the driving shaft are from top to bottom sequentially installed on moving axis, the mixing component is also Including the driven shaft hinged with the connection frame, the axial direction of the driven shaft is arranged in an axially parallel mode with the driving shaft, described The driven gear engaged with the driving gear is provided on driven shaft, the driven shaft is equipped with several around the driven shaft The stirring blade being axially distributed.

4. as claimed in claim 31,1 cyclohexanediacetic acid monoamides acidizing device, which is characterized in that the stirring blade Including at least one with vertically disposed first body of rod of the driven shaft and it is several be arranged on first body of rod and with it is described Second body of rod that first body of rod is vertically connected.

5. as claimed in claim 31,1 cyclohexanediacetic acid monoamides acidizing device, which is characterized in that the driver is The servo motor being electrically connected with the output end of the controller, the servo motor are fixed on the tank body.

6. according to any one of claims 1 to 51,1 cyclohexanediacetic acid monoamides acidizing device, which is characterized in that institute Stating reactor tank further includes the pedestal for being used to support the tank body, is equipped with and the controller between the tank body and the pedestal The weighing sensor that input terminal is electrically connected.

7. as claimed in claim 61,1 cyclohexanediacetic acid monoamides acidizing device, which is characterized in that described 1,1 cyclohexyl Oxalic acid monoamides acidizing device further includes display screen, and the display screen and the controller output end are electrically connected.

8. according to any one of claims 1 to 51,1 cyclohexanediacetic acid monoamides acidizing device, which is characterized in that institute Stating 1,1 cyclohexanediacetic acid monoamides acidizing device further includes display screen, and the display screen and the controller output end are electrical Connection.