CN104441294A - Temperature control system of stirring kettle for material mixing - Google Patents
Temperature control system of stirring kettle for material mixing Download PDFInfo
- Publication number
- CN104441294A CN104441294A CN201410613059.8A CN201410613059A CN104441294A CN 104441294 A CN104441294 A CN 104441294A CN 201410613059 A CN201410613059 A CN 201410613059A CN 104441294 A CN104441294 A CN 104441294A
- Authority
- CN
- China
- Prior art keywords
- raw material
- storage tank
- material storage
- temperature control
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
- B29B7/286—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control measuring properties of the mixture, e.g. temperature, density
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
- B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/823—Temperature control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/826—Apparatus therefor
Abstract
The invention discloses a temperature control system of a stirring kettle for material mixing. The temperature control system comprises the stirring kettle for material mixing and at least one raw material storage tank, wherein the raw material storage tank is connected with the stirring kettle for material mixing by a first conveying pipeline, a cooling jacket for cooling mixture inside the stirring kettle for material mixing is arranged outside the stirring kettle for material mixing, and a heat exchange device is arranged outside each of the raw material storage tank and the first conveying pipeline. According to the temperature control system of the stirring kettle for material mixing, the temperature control system can be applied to the stirring kettle for material mixing, temperature variation can be well controlled in a stirring process, the influences of poor thermal conductivity of the material and environment temperature variation on the temperature control effect of the stirring kettle can be effectively overcome, and the temperature control to PVC (polyvinyl chloride) paste can be realized indirectly by a raw material temperature control method.
Description
Technical field
The invention belongs to temperature control mechanical field, relate to a kind of temperature control system of batch mixing stirred tank.
Background technology
PVC paste is a kind of batch mixing, is that plasticizer and PVC powder are made by dispersion impeller high speed dispersion in agitating device.In the process of preparation PVC paste, because agitating friction and heterogeneous system mixing make PVC paste temperature in stirred tank raise.Because the characteristic of PVC paste itself, if temperature rising can affect the quality of PVC paste, therefore, temperature should control in certain limit, usually adopts chuck stirred tank cooling system to take away the heat produced in whipping process.
Now conventional chuck stirred tank cooling system can not meet the temperature control needs to mixing agitator in actual production process, main cause have following some:
Chuck cooling mainly takes away heat by cooling water, and capacity and the flow of the cooling water of its inside are limited, thus the chilling temperature of cooling water is range limited; The heat conductivity of PVC paste material own is bad, causes the cooling effect of jacket cooling system not good; Jacket cooling system to season variation of ambient temperature without adaptability to changes.
Therefore, present mixing agitator needs a kind of temperature control system that can be good at controlling variations in temperature in whipping process.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of temperature control system that can be good at controlling variations in temperature in whipping process, and PVC material heat conductivity difference own and variation of ambient temperature can be solved on the temperature controlled impact of stirred tank.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of temperature control system of batch mixing stirred tank, it comprises batch mixing stirred tank and at least one raw material storage tank, be connected by the first conveyance conduit between described raw material storage tank with described batch mixing stirred tank, described batch mixing stirred tank outside is provided with the cooling jacket for cooling the inner mixture temperature of described batch mixing stirred tank, and described raw material storage tank and the first conveyance conduit outside are equipped with heat-exchanger rig.
Preferably, described raw material storage tank comprises the first raw material storage tank and the second raw material storage tank, is connected between described first raw material storage tank with described second raw material storage tank by the second conveyance conduit.
Preferably, described first conveyance conduit outside is provided with the first heat-exchanger rig, and described first raw material storage tank outside is provided with the second heat-exchanger rig, and described second raw material storage tank outside is provided with the 3rd heat-exchanger rig, and described second conveyance conduit outside is provided with the 4th heat-exchanger rig.
Preferably, connected by water pipe between described first heat-exchanger rig, the second heat-exchanger rig, the 3rd heat-exchanger rig and the 4th heat-exchanger rig.
Preferably, described second conveyance conduit is provided with valve and pump, and it is inner that described valve and pump enter into described first raw material storage tank for the raw material controlling described second raw material storage tank inside.
Preferably, described batch mixing stirred tank comprises mixing tank, extend into the batch mixing stirring arm of described mixing tank inner hollow and drives the motor of described batch mixing stirring arm, and described cooling jacket is wrapped in the outside of described mixing tank.
The invention has the beneficial effects as follows:
One, temperature control system of the present invention can be applied to batch mixing stirred tank, variations in temperature in good control whipping process, effectively solve material heat conductivity difference own and variation of ambient temperature affect the temperature control of stirred tank, the method adopting material temperature to control realizes the control of PVC paste temperature indirectly.
Two, temperature control system of the present invention, adopts Multi-stage heat-exchanging device, can do certain thermostatic control to raw material, can resist the impact of ambient temperature change on system.
Three, temperature control system of the present invention can be good at doing constant temperature process to raw material, is conducive to stable production process.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is present system schematic diagram.
Wherein, 1-batch mixing stirred tank, 10-mixing tank, 11-batch mixing stirring arm, 12-motor, 13-cooling jacket, 20-first raw material storage tank, 21-second heat-exchanger rig, 22-first conveyance conduit, 23-first heat-exchanger rig, 30-second raw material storage tank, 31-second conveyance conduit, 32-the 3rd heat-exchanger rig, 33-the 4th heat-exchanger rig, 34-pump, 35-valve, 40-water pipe.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
A kind of temperature control system of batch mixing stirred tank is disclosed in the present embodiment, as shown in fig. 1, it comprises batch mixing stirred tank 1, first raw material storage tank 20 and the second raw material storage tank 30, be connected by the first conveyance conduit 22 between above-mentioned batch mixing stirred tank 1 with above-mentioned first raw material storage tank 20, be connected by the second conveyance conduit 31 between above-mentioned first raw material storage tank 20 with above-mentioned second raw material storage tank 30.
Batch mixing stirred tank 1 outside is provided with the cooling jacket for cooling the inner mixture temperature of above-mentioned batch mixing stirred tank, above-mentioned first conveyance conduit 22 outside is provided with the first heat-exchanger rig 23, above-mentioned first raw material storage tank 20 outside is provided with the second heat-exchanger rig 21, above-mentioned second raw material storage tank 30 outside is provided with the 3rd heat-exchanger rig 32, and above-mentioned second conveyance conduit 31 outside is provided with the 4th heat-exchanger rig 33.Above-mentioned first conveyance conduit 22 is provided with electronic valve to control the first raw material storage tank 20 by the first conveyance conduit 22 transferring raw material.
And, in order to better control the temperature between above-mentioned heat-exchanger rig, make the temperature between them can be good at controlling at constant temperature, connected by water pipe 40 between above-mentioned first heat-exchanger rig 23, second heat-exchanger rig 21, the 3rd heat-exchanger rig 32 and the 4th heat-exchanger rig 33.
Above-mentioned first heat-exchanger rig 23, second heat-exchanger rig 21, the 3rd heat-exchanger rig 32 and the 4th heat-exchanger rig 33 4 heat exchangers are when logical cooling water, can connect also can be in parallel, when in fact connecting, along with cooling water pipeline flows to, there is thermograde in cooling water temperature, otherwise adopt same cooling water source time in parallel, be more conducive to temperature stabilization and process temperature adjustment.Therefore, in the present embodiment, connected mode in parallel is adopted between above-mentioned four heat-exchanger rigs.
In the present embodiment, be actually and be provided with heat-exchanger rig on raw material storage tank and feedstock transportation pipeline, raw material is lowered the temperature heat extraction before entering stirred tank, temperature control from stirring the source of raw material in advance, too much can not by the problem taken away in time from material solution heat itself.
In the present embodiment, be provided with two raw material storage tanks, above-mentioned second conveyance conduit 31 is provided with valve 35 and pump 34, it is inner that above-mentioned valve 35 and pump 34 enter into above-mentioned first raw material storage tank 20 for the raw material controlling above-mentioned second raw material storage tank 30 inside.The effect of above-mentioned first raw material storage tank 20 is that raw materials weighing is used, and namely enters into the inner raw materials weighing of the first raw material storage tank 20 from the raw material of the second raw material storage tank 30.
Above-mentioned batch mixing stirred tank 1 comprises mixing tank 10, extend into the batch mixing stirring arm 11 of above-mentioned mixing tank 10 inner hollow and drive the motor 12 of above-mentioned batch mixing stirring arm, and above-mentioned cooling jacket 13 is wrapped in the outside of above-mentioned mixing tank.
Conventional method, to the temperature control system of batch mixing stirred tank, just adds cooling jacket 13 in mixing tank 10 outside of batch mixing stirred tank, but the capacity of the cooling water of its inside and flow limited, thus the chilling temperature of cooling water is range limited; The heat conductivity of PVC paste material own is bad, causes the cooling effect of jacket cooling system not good; Jacket cooling system to season variation of ambient temperature without adaptability to changes.
Therefore, temperature control system of the present invention can be applied to batch mixing stirred tank, variations in temperature in good control whipping process, effectively solve material heat conductivity difference own and variation of ambient temperature affect the temperature control of stirred tank, the method adopting material temperature to control realizes the control of PVC paste temperature indirectly.
This temperature control system adopts Multi-stage heat-exchanging device, can do certain thermostatic control to raw material, can resist the impact of ambient temperature change on system, be conducive to stable production process.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. the temperature control system of a batch mixing stirred tank, it comprises batch mixing stirred tank and at least one raw material storage tank, be connected by the first conveyance conduit between described raw material storage tank with described batch mixing stirred tank, described batch mixing stirred tank outside is provided with the cooling jacket for cooling the inner mixture temperature of described batch mixing stirred tank, it is characterized in that, described raw material storage tank and the first conveyance conduit outside are equipped with heat-exchanger rig.
2. the temperature control system of a kind of batch mixing stirred tank according to claim 1, it is characterized in that, described raw material storage tank comprises the first raw material storage tank and the second raw material storage tank, is connected between described first raw material storage tank with described second raw material storage tank by the second conveyance conduit.
3. the temperature control system of a kind of batch mixing stirred tank according to claim 2, it is characterized in that, described first conveyance conduit outside is provided with the first heat-exchanger rig, described first raw material storage tank outside is provided with the second heat-exchanger rig, described second raw material storage tank outside is provided with the 3rd heat-exchanger rig, and described second conveyance conduit outside is provided with the 4th heat-exchanger rig.
4. the temperature control system of a kind of batch mixing stirred tank according to claim 3, is characterized in that, is connected between described first heat-exchanger rig, the second heat-exchanger rig, the 3rd heat-exchanger rig and the 4th heat-exchanger rig by water pipe.
5. the temperature control system of a kind of batch mixing stirred tank according to claim 4, it is characterized in that, described second conveyance conduit is provided with valve and pump, and it is inner that described valve and pump enter into described first raw material storage tank for the raw material controlling described second raw material storage tank inside.
6. the temperature control system of a kind of batch mixing stirred tank according to claim 1, it is characterized in that, described batch mixing stirred tank comprises mixing tank, extend into the batch mixing paddle of described mixing tank inner hollow and drives the motor of described batch mixing paddle, and described cooling jacket is wrapped in the outside of described mixing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410613059.8A CN104441294A (en) | 2014-11-04 | 2014-11-04 | Temperature control system of stirring kettle for material mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410613059.8A CN104441294A (en) | 2014-11-04 | 2014-11-04 | Temperature control system of stirring kettle for material mixing |
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| Publication Number | Publication Date |
|---|---|
| CN104441294A true CN104441294A (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410613059.8A Pending CN104441294A (en) | 2014-11-04 | 2014-11-04 | Temperature control system of stirring kettle for material mixing |
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| CN (1) | CN104441294A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181523A (en) * | 2015-09-29 | 2015-12-23 | 江苏建研建设工程质量安全鉴定有限公司 | Specific gravity measuring device for cement slurry |
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Application publication date: 20150325 |
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