CN207267810U - Heat circulation system - Google Patents
Heat circulation system Download PDFInfo
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- CN207267810U CN207267810U CN201721332635.7U CN201721332635U CN207267810U CN 207267810 U CN207267810 U CN 207267810U CN 201721332635 U CN201721332635 U CN 201721332635U CN 207267810 U CN207267810 U CN 207267810U
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Abstract
The utility model discloses a kind of heat circulation system, is related to production of polysilicon apparatus field, and main purpose is to provide a kind of heat circulation system for the usage amount that can save cooling medium.The main technical schemes of the utility model are：A kind of heat circulation system, including：Heating part has holding vessel, the first feed pipe and flue, flue is arranged on the top of heating part, heating part also has heater, heater is connected to holding vessel, and heat exchanging part includes tank body, inlet tube, the first discharge pipe and the first connecting tube, tank body and is connected to flue, one end of inlet tube is connected to feed liquor equipment, the other end passes through tank body, and is connected with each other with the first discharge pipe, and discharge pipe is connected to tank body；One end of cooling end is connected to the first connecting tube；Reflux portion has the second feed pipe, return duct and the second discharge pipe, and the second feed pipe is connected to cooling end, and return duct is connected to the top of heating part.The utility model is mainly used for processing chlorosilane liquid produced.
Description
Technical field
It the utility model is related to production of polysilicon apparatus field, more particularly to a kind of heat circulation system.
Background technology
Rapid development with domestic and international electronics and information industry and the great demand to new energy, polysilicon product market one
It is straight in the ascendant.In polysilicon production unit, the chlorosilane liquid produced being transported in rectification working process needs first to be cooled down, then defeated
Send to rectification working process, also, chlorosilane liquid produced is also needed to by being steam heated to boiling point again, can carry out purification process,
Need to consume substantial amounts of thermal energy during this；Meanwhile in the production process of polysilicon, the effect of rectifying column is to chlorosilane liquid produced
Rectifying is carried out, heating unit is set in the bottom of towe of rectifying column, heated chlorosilane is changed into gas from liquid, and rises to rectifying
The tower top of tower, then liquid is condensed into by cooling down medium, come back in rectifying column, complete heat exchange, and then purify
Purpose, in this process, cooling medium need energy it is larger, many enterprises in order to save the steam of heating unit use
Amount, the temperature for the chlorosilane liquid produced for entering rectifying column is improved to 100 degree, so that the steam usage amount of heating unit reduces,
But but cause the temperature of the chlorosilane gas of the discharge port of the tower top of rectifying column higher, make the cooling in rectifying column tower top
The dosage of medium increases, and then adds the production cost and production process of polysilicon.
Utility model content
In view of this, the utility model embodiment provides a kind of heat circulation system, and main purpose is to provide one kind can
Save the heat circulation system of the usage amount of cooling medium.
To reach above-mentioned purpose, the utility model mainly provides following technical solution：
The utility model embodiment provides a kind of heat circulation system, which includes：
Heating part, heating part have holding vessel, the first feed pipe and flue, and flue is arranged on the top of heating part,
First feed pipe be used for enter chlorosilane liquid produced, heating part also has heater, and heater is connected to holding vessel, for heating from
The chlorosilane liquid produced that first feed pipe enters；
Heat exchanging part, heat exchanging part include tank body, inlet tube, the first discharge pipe and the first connecting tube, tank body and are connected to flue,
For receiving the chlorosilane gas of heating part generation, one end of inlet tube is connected to feed liquor equipment, for entering the chlorine silicon of room temperature
Alkane liquid, the other end passes through tank body, and is connected with each other with the first discharge pipe, and discharge pipe is connected to tank body, after discharging heat exchange
Chlorosilane gas；
Cooling end, one end of cooling end are connected to the first connecting tube, for receiving chlorosilane gas after cooling, and carry out
Cooling；
Reflux portion, reflux portion have the second feed pipe, return duct and the second discharge pipe, and the second feed pipe is connected to cooling
Portion, for receiving chlorosilane gas and/or chlorosilane liquid produced after cooling, return duct is connected to the top of heating part, for
Heating part is discharged into chlorosilane liquid produced after cooling, and the second discharge pipe is used to discharge chlorosilane gas after cooling.
Preferably, heat exchanging part further includes the second connecting tube, and the second connecting tube is circumferentially positioned in tank body, the second connection pipe
There is opposite first end and second end, first end passes through the inner wall of tank body, and is interconnected with liquid line, and second end passes through tank body
Inner wall, and be interconnected with the first discharge pipe.
Preferably, the second connecting tube further includes two transverse pipes and multiple longitudinal pipes, and two transverse pipes include first laterally
Pipe and the second transverse pipe, one end and the liquid line of the first transverse pipe be interconnected, the other end through tank body outer wall, and along tank
The inner wall extension of body, one end of the second transverse pipe is interconnected with the first discharge pipe, the other end through tank body outer wall, and along
The inner wall extension of tank body, multiple transverse pipes are arranged in tank body, and the both ends of multiple transverse pipes are connected to first laterally
Pipe and the second transverse pipe.
Preferably, the diameter of each transverse pipe is more than the diameter of pipe longitudinally in each.
Preferably, flue is interconnected with tank body, and the first connecting tube is interconnected with tank body, and tank body is used to pass through chlorine silicon
Alkane gas；Second connecting tube is looped around on the outer wall of tank body, and the both ends of the second connecting tube are connected to liquid line and first row
Outlet pipe.
Preferably, heater is reboiler.
Preferably, liquid pump, liquid pump are arranged between liquid line and feed liquor equipment, for by chlorosilane liquid produced from feed liquor
Equipment is delivered to heat exchanging part.
Preferably, detector, detector are arranged in tank body, for detecting the temperature in tank body.
Compared with prior art, the utility model has the following technical effect that：
Heating part, heating part have holding vessel, the first feed pipe and flue, and flue is arranged on the top of heating part,
First feed pipe is used to enter chlorosilane liquid produced, and heating part has heater, and heater is connected to holding vessel, for heating from the
The chlorosilane liquid produced that one feed pipe enters；
Heat exchanging part, heat exchanging part include tank body, inlet tube, the first discharge pipe and the first connecting tube, tank body and are connected to flue,
For receiving the chlorosilane gas of heating part generation, one end of inlet tube is connected to feed liquor equipment, for entering the chlorine silicon of room temperature
Alkane liquid, the other end passes through tank body, and is connected with each other with the first discharge pipe, and discharge pipe is connected to tank body, after discharging heat exchange
Chlorosilane gas；
Cooling end, one end of cooling end are connected to the first connecting tube, for receiving chlorosilane gas after cooling, and carry out
Cooling；
Reflux portion, reflux portion have the second feed pipe, return duct and the second discharge pipe, and the second feed pipe is connected to cooling
Portion, for receiving chlorosilane gas and/or chlorosilane liquid produced after cooling, return duct is connected to the top of heating part, for
Heating part is discharged into chlorosilane liquid produced after cooling, and the second discharge pipe is used to discharge chlorosilane gas after cooling.
Compared with prior art, the utility model has the following technical effect that：
In the technical solution that the utility model embodiment provides, heating part has holding vessel, the first feed pipe and flue,
Flue is arranged on the top of heating part, and the first feed pipe is used to enter chlorosilane liquid produced, and heating part also has heater, heating
Device is connected to holding vessel, for heating the chlorosilane liquid produced entered from the first feed pipe；Heat exchanging part be connected to flue and
Liquid line, for receiving the chlorosilane liquid produced and chlorosilane gas of heating part generation, heat exchanging part includes tank body, inlet tube, first
Discharge pipe and the first connecting tube, tank body are connected to flue, the chlorosilane gas produced for receiving heating part, and the one of inlet tube
End is connected to feed liquor equipment, and for entering the chlorosilane liquid produced of room temperature, the other end passes through tank body, and mutually connects with the first discharge pipe
Connect, discharge pipe is connected to tank body, for discharging the chlorosilane gas after exchanging heat；One end of cooling end is connected to the first connecting tube,
For receiving chlorosilane gas after cooling, and cooled down；Reflux portion has the second feed pipe, return duct and the second discharge
Pipe, the second feed pipe are connected to cooling end, and for receiving chlorosilane gas and/or chlorosilane liquid produced after cooling, return duct connects
The top of heating part is connected to, for being discharged into chlorosilane liquid produced after cooling to heating part, the second discharge pipe is used for after discharging cooling
Chlorosilane gas；Chlorosilane liquid produced is passed through heating part by the first feed pipe first, heater carries out chlorosilane liquid produced
Heat, the relatively low component of the boiling point in chlorosilane liquid produced is gasified, and is entered towards the top movements of heating part, and by flue
The chlorosilane liquid produced of room temperature is passed through tank body by heat exchanging part, feed liquor equipment by inlet tube again, the chlorosilane liquid produced in room temperature and
Chlorosilane gas in high temperature carry out heat exchange in tank body, raise the temperature of chlorosilane liquid produced, and pass through the first discharge
Pipe, which is delivered in rectifier unit, carries out rectifying, and the chlorosilane gas after heat exchange enter cooling end, big portion by the first connecting tube
The chlorosilane gas divided are cooled into liquid, are returned to by reflux portion and the second feed pipe in heating part, the low boiling point of fraction
Gas heat circulation system is discharged by the second discharge pipe, relative to the prior art, the chlorosilane liquid produced of rectifying column will be entered
Temperature improve to 100 degree so that the steam usage amount of heating unit reduces, still, but cause the tower top of rectifying column to go out
The temperature of the chlorosilane gas of material mouth is higher, increases the dosage of the cooling medium in rectifying column tower top, and then add more
The production cost and production process of crystal silicon, in the utility model, by by the chlorosilane gas that the top of heating part is discharged with into
The chlorosilane liquid produced of liquid equipment input carries out heat exchange, makes the temperature rise into the chlorosilane liquid produced of rectification working process, meanwhile,
The temperature of chlorosilane gas can also be reduced, so as to save the cooling usage amount of cooling end, and then cooling is saved and is situated between
The technique effect of the usage amount of matter.
Brief description of the drawings
Fig. 1 is a kind of structure diagram for heat circulation system that the utility model embodiment provides；
Fig. 2 is a kind of structure diagram for heat exchanging part that the utility model embodiment provides.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model embodiment provides a kind of heat circulation system, which includes：Heating part 1,
Heating part 1 has holding vessel 11, the first feed pipe 12 and a flue 13, and flue 13 is arranged on the top of heating part 1, first into
Expects pipe 12 is used to enter chlorosilane liquid produced, and heating part 1 also has heater 14, and heater 14 is connected to holding vessel 11, for adding
The chlorosilane liquid produced that heat enters from the first feed pipe 12；Heat exchanging part 2, heat exchanging part 2 includes tank body 21, inlet tube 22, first is discharged
23 and first connecting tube 24 of pipe, tank body 21 are connected to flue 13, for receiving the chlorosilane gas of the generation of heating part 1, feed liquor
One end of pipe 22 is connected to feed liquor equipment 6, and for entering the chlorosilane liquid produced of room temperature, the other end passes through tank body 21, and with first
Discharge pipe 23 is connected with each other, and discharge pipe is connected to tank body 21, for discharging the chlorosilane gas after exchanging heat；Cooling end 3, cooling end
3 one end is connected to the first connecting tube 24, for receiving chlorosilane gas after cooling, and is cooled down；Reflux portion 4, reflux
Portion 4 has the second feed pipe 41,42 and second discharge pipe 43 of return duct, and the second feed pipe 41 is connected to cooling end 3, for receiving
Chlorosilane gas and/or chlorosilane liquid produced after cooling, return duct 42 are connected to the top of heating part 1, for 1 row of heating part
Enter chlorosilane liquid produced after cooling, the second discharge pipe 43 is used to discharge chlorosilane gas after cooling.
In the technical solution that the utility model embodiment provides, heating part 1 is gentle with holding vessel 11, the first feed pipe 12
Body pipe 13, flue 13 are arranged on the top of heating part 1, and the first feed pipe 12 is used to enter chlorosilane liquid produced, and heating part 1 also has
Having heaters 14, heater 14 are connected to holding vessel 11, for heating the chlorosilane liquid produced entered from the first feed pipe 12；Heat exchange
Portion 2 is connected to flue 13 and liquid line, for receiving the chlorosilane liquid produced and chlorosilane gas of the generation of heating part 1, changes
Hot portion 2 includes tank body 21, inlet tube 22, the first discharge pipe 23 and the first connecting tube 24, tank body 21 and is connected to flue 13, is used for
The chlorosilane gas that heating part 1 produces are received, one end of inlet tube 22 is connected to feed liquor equipment 6, for entering the chlorine silicon of room temperature
Alkane liquid, the other end passes through tank body 21, and is connected with each other with the first discharge pipe 23, and discharge pipe is connected to tank body 21, for discharging
Chlorosilane gas after heat exchange；One end of cooling end 3 is connected to the first connecting tube 24, for receiving chlorosilane gas after cooling
Body, and cooled down；Reflux portion 4 has the second feed pipe 41,42 and second discharge pipe 43 of return duct, and the second feed pipe 41 connects
In cooling end 3, for receiving chlorosilane gas and/or chlorosilane liquid produced after cooling, return duct 42 is connected to the top of heating part 1
Portion, for being discharged into chlorosilane liquid produced after cooling to heating part 1, the second discharge pipe 43 is used to discharge chlorosilane gas after cooling
Body；Chlorosilane liquid produced is passed through heating part 1 by the first feed pipe 12 first, heater 14 is heated chlorosilane liquid produced,
The relatively low component of boiling point in chlorosilane liquid produced is gasified, and towards the top movements of heating part 1, and is entered by flue 13 and changed
The chlorosilane liquid produced of room temperature is passed through tank body 21 by hot portion 2, feed liquor equipment 6 by inlet tube 22 again, the chlorosilane liquid in room temperature
Body and chlorosilane gas in high temperature carry out heat exchange in tank body 21, raise the temperature of chlorosilane liquid produced, and pass through the
One discharge pipe 23, which is delivered in rectifier unit, carries out rectifying, and the chlorosilane gas after heat exchange are entered cold by the first connecting tube 24
But portion 3, most chlorosilane gas are cooled into liquid, are returned to by 4 and second feed pipe 41 of reflux portion in heating part 1,
The low-boiling gas of fraction discharges heat circulation system by the second discharge pipe 43, relative to the prior art, will enter essence
The temperature for evaporating the chlorosilane liquid produced of tower is improved to 100 degree, so that the steam usage amount of heating unit reduces, still, is but caused
The temperature of the chlorosilane gas of the discharge port of the tower top of rectifying column is higher, increases the dosage of the cooling medium in rectifying column tower top
It is more, and then the production cost and production process of polysilicon are added, in the utility model, by the way that the top of heating part 1 is discharged
The chlorosilane liquid produced that inputs of chlorosilane gas and feed liquor equipment 6 carry out heat exchange, make the chlorosilane liquid into rectification working process
The temperature rise of body, at the same time, additionally it is possible to the temperature of chlorosilane gas is reduced, so that the cooling usage amount of cooling end 3 is saved, into
And the technique effect for the usage amount for saving cooling medium is reached.
The effect of above-mentioned heating part 1 is storage chlorosilane liquid produced, and chlorosilane liquid produced is heated, heating part 1, is heated
Portion 1 has holding vessel 11, the first feed pipe 12 and flue 13, and flue 13 is arranged on the top of heating part 1, the first feed pipe
12 be used for enter chlorosilane liquid produced, heating part 1 also has heater 14, and heater 14 is connected to holding vessel 11, for heating from
The chlorosilane liquid produced that first feed pipe 12 enters；The effect of heat exchanging part 2 is the chlorosilane liquid produced and chlorine silicon for inputting feed liquor equipment 6
The temperature of alkane gas carries out heat exchange, and the chlorosilane liquid produced temperature inputted from feed liquor equipment 6 is in normal temperature state, from heating part 1
Top discharge chlorosilane gas temperature it is higher, the temperature for making chlorosilane gas by exchange part reduces, and makes cooling end 3
Cooling down usage amount reduces, meanwhile, the temperature rise of chlorosilane liquid produced, makes the temperature liter into the chlorosilane liquid produced of rectification working process
Height, so that heat reaches rational utilization, heat exchanging part 2 includes tank body 21, inlet tube 22, the first discharge pipe 23 and the first connection
Pipe 24, tank body 21 are connected to flue 13, for receiving the chlorosilane gas of the generation of heating part 1, one end connection of inlet tube 22
In feed liquor equipment 6, for entering the chlorosilane liquid produced of room temperature, the other end passes through tank body 21, and is interconnected with 23 phase of the first discharge pipe
Connect, discharge pipe is connected to tank body 21, for discharging the chlorosilane gas after exchanging heat；The effect of cooling end 3 is by chlorosilane gas
Temperature further reduce, and low-boiling exhaust gas can be filtered, one end of cooling end 3 is connected to the first connecting tube
24, for receiving chlorosilane gas after cooling, and cooled down；The effect in reflux portion 4 is the cooled chlorosilane gas of separation
Body and low-boiling exhaust gas, reflux portion 4 have the second feed pipe 41,42 and second discharge pipe 43 of return duct, the second feed pipe 41
Cooling end 3 is connected to, for receiving chlorosilane gas and/or chlorosilane liquid produced after cooling, return duct 42 is connected to heating part 1
Top, for being discharged into chlorosilane liquid produced after cooling to heating part 1, the second discharge pipe 43 is used to discharge chlorosilane after cooling
Gas, in the utility model, passes through the chlorosilane for inputting the chlorosilane gas that the top of heating part 1 is discharged with feed liquor equipment 6
Liquid carries out heat exchange, makes the temperature rise into the chlorosilane liquid produced of rectification working process, at the same time, additionally it is possible to reduce chlorosilane gas
The temperature of body, so as to save the cooling usage amount of cooling end 3, and then saves the technology effect of the usage amount of cooling medium
Fruit.
When the chlorosilane liquid produced of 102.99 DEG C/8.9bar enters heating part 1 by the first feed pipe 12, in chlorosilane liquid produced
The relatively low component of boiling point gasified, towards the top movements of heating part 1, the chlorosilane liquid produced with 5 DEG C of reflux portion 4 carries out heat
After exchange, 73.4 DEG C are reduced to, appoints and is so in gaseous state, and heat exchanging part 2, the chlorine that feed liquor equipment 6 inputs are entered by flue 13
Silane liquid enters heat exchanging part 2 by liquid line, in 29.96 DEG C of chlorosilane liquid produceds and in 73.4 DEG C of chlorosilane gas
Heat exchange is carried out in heat exchanging part 2,73.4 DEG C of chlorosilane gas are reduced to 67.49 DEG C, then enter back into cooling end 3 and carry out
Cooling, 67.49 DEG C of chlorosilane gas are reduced to 5 DEG C, and at this time, most chlorosilane gas are condensed into chlorosilane liquid produced,
The top of heating part 1 is back to again by reflux portion 4, the low-boiling exhaust gas of another fraction, which is appointed, is so in gaseous state, exhaust gas
In contain substantial amounts of impurity, discharged by the second discharge pipe 43, meanwhile, in 29.96 DEG C of chlorosilane liquid produceds and in 73.4
DEG C chlorosilane gas carry out heat exchange in heat exchanging part 2 after, the temperature of 29.96 DEG C of chlorosilane liquid produced is increased to 72.19
DEG C, then 72.19 DEG C of chlorosilane liquid produced is delivered to rectification working process by the first discharge pipe 23 and is purified.
When the chlorosilane liquid produced of 102.99 DEG C/8.9bar enters heating part 1 by the first feed pipe 12, in chlorosilane liquid produced
The relatively low component of boiling point gasified, towards the top movements of heating part 1, the chlorosilane liquid produced with 5 DEG C of reflux portion 4 carries out heat
After exchange, 73.4 DEG C are reduced to, appoints and is so in gaseous state, and heat exchanging part 2, the chlorine that feed liquor equipment 6 inputs are entered by flue 13
Silane liquid enters heat exchanging part 2 by liquid line, in 29.96 DEG C of chlorosilane liquid produceds and in 73.4 DEG C of chlorosilane gas
Heat exchange is carried out in heat exchanging part 2,73.4 DEG C of chlorosilane gas are reduced to 67.49 DEG C, then enter back into cooling end 3 and carry out
Cooling, 67.49 DEG C of chlorosilane gas are reduced to 5 DEG C, and at this time, most chlorosilane gas are condensed into chlorosilane liquid produced,
The top of heating part 1 is back to again by reflux portion 44, the low-boiling exhaust gas of another fraction, which is appointed, is so in gaseous state, exhaust gas
In contain substantial amounts of impurity, discharged by the second discharge pipe 43, meanwhile, in 29.96 DEG C of chlorosilane liquid produceds and in 73.4
DEG C chlorosilane gas carry out heat exchange in heat exchanging part 2 after, the temperature of 29.96 DEG C of chlorosilane liquid produced is increased to 72.19
DEG C, then 72.19 DEG C of chlorosilane liquid produced is delivered to rectification working process by the first discharge pipe 23 and is purified.
Further, as shown in Fig. 2, heat exchanging part 2 further includes the second connecting tube 25, the second connecting tube 25 is circumferentially positioned at tank
In body 21, the second connecting tube 25 has opposite first end and second end, and first end passes through the inner wall of tank body 21, and and liquid line
It is interconnected, second end passes through the inner wall of tank body 21, and is interconnected with the first discharge pipe 23.In the present embodiment, further limit
Heat exchanging part 2 is determined, the second connecting tube 25 has been circumferentially positioned in tank body 21, the second connecting tube 25 has opposite first end and the
Two ends, first end pass through the inner wall of tank body 21, and are interconnected with liquid line, and second end passes through the inner wall of tank body 21, and with the
One discharge pipe 23 is interconnected, and by the way that the second connecting tube 25 is arranged in tank body 21, makes in the second connecting tube 25 and tank body 21
Chlorosilane gas contact area increase, and then improve the efficiency of the heat exchange of chlorosilane gas and chlorosilane liquid produced
Technique effect.
Further, as shown in Fig. 2, the second connecting tube 25 further includes two transverse pipes and multiple longitudinal pipes, two transverse directions
Pipe includes the first transverse pipe and the second transverse pipe, and one end and the liquid line of the first transverse pipe are interconnected, and the other end passes through tank body
21 outer wall, and extend along the inner wall of tank body 21, one end of the second transverse pipe is interconnected with the first discharge pipe 23, the other end
Extend through the outer wall of tank body 21, and along the inner wall of tank body 21, multiple transverse pipes are arranged in tank body 21, and multiple transverse directions
The both ends of pipe are connected to the first transverse pipe and the second transverse pipe.In the present embodiment, the second connecting tube 25 is further defined,
Second connecting tube 25 further includes two transverse pipes and multiple longitudinal pipes, and two transverse pipes include the first transverse pipe and second laterally
Pipe, one end and the liquid line of the first transverse pipe be interconnected, the other end through tank body 21 outer wall, and along the inner wall of tank body 21
Extension, one end of the second transverse pipe and the first discharge pipe 23 are interconnected, and the other end passes through the outer wall of tank body 21, and along tank body
21 inner wall extension, multiple transverse pipes are arranged in tank body 21, and the both ends of multiple transverse pipes are connected to first laterally
Pipe and the second transverse pipe, by increasing by two transverse pipes and multiple longitudinal pipes, further increase the second connecting tube 25 and tank body
The contacts area of chlorosilane gas in 21, and then improve the efficiency of the heat exchange of chlorosilane gas and chlorosilane liquid produced
Technique effect.
Further, the diameter of each transverse pipe is more than the diameter of pipe longitudinally in each.In the present embodiment, further define
Second connecting tube 25, the diameter of each transverse pipe are more than the diameter of pipe longitudinally in each, the chlorosilane passed through due to each transverse pipe
The flow of liquid is larger, manages that the flow of the chlorosilane liquid produced passed through is smaller longitudinally in each, by the way that the diameter of each transverse pipe is set
The mode more than the diameter of pipe longitudinally in each is set to, is enable more each than more uniform flow direction by the chlorosilane liquid produced of transverse pipe
Longitudinal pipe, and then improve the technique effect of the efficiency of the heat exchange of chlorosilane gas and chlorosilane liquid produced.
Further, flue 13 is interconnected with tank body 21, and the first connecting tube 24 is interconnected with tank body 21, tank body 21
For passing through chlorosilane gas；Second connecting tube 25 is looped around on the outer wall of tank body 21, and the both ends of the second connecting tube 25 connect respectively
It is connected to liquid line and the first discharge pipe 23.In the present embodiment, the second connecting tube 25 is looped around on the outer wall of tank body 21, tank body 21
Inside be used to load chlorosilane gas, the second connecting tube 25 is used to pass through chlorosilane liquid produced, is made by the method for heat exchange
The temperature rise of chlorosilane liquid produced, the temperature of chlorosilane gas reduces, so that the temperature of the chlorosilane liquid produced into rectification working process
Degree rise, at the same time, additionally it is possible to reduce the temperature of chlorosilane gas, further save the cooling usage amount of cooling end 3, Jin Erda
The technique effect for the usage amount for saving cooling medium is arrived.
Further, heater 14 is reboiler.Heater 14 is further defined in the present embodiment, heater 14 is again
Device is boiled, the effect of reboiler is chlorosilane liquid produced is vaporized again, that is to say, that leads to the chlorosilane liquid produced in heating part 1
It is chlorosilane gas to cross thermal conversion, reboiler be one can heat-shift, while have a kind of special heat exchange of vaporization space
Device.Material liquid level and fractionating column liquid level in reboiler is in sustained height.Liquid phase is provided from bottom of towe line to enter in reboiler.
The two phase flow being vaporized is sent back in fractionating column, returns to the gaseous component in tower upwardly through tower tray, and liquid phase component falls back
To bottom of towe, by setting reboiler, and then the technique effect of the efficiency of heating surface of heater 14 is improved.
Further, as shown in Figure 1, adding liquid pump 5, liquid pump 5 is arranged between liquid line and heating part 1, is used
Chlorosilane liquid produced in by heating part 1 is delivered to heat exchanging part 2.In the present embodiment, liquid pump 5 is added, liquid pump 5 is arranged on
Between liquid line and heating part 1, for the chlorosilane liquid produced in heating part 1 to be delivered to heat exchanging part 2, by increasing liquid pump 5,
It can accelerate the flowing velocity of chlorosilane liquid produced, and then improve the technology effect of the speed of the heat exchange of chlorosilane liquid produced
Fruit, liquid pump 5 can use common positive displacement pump, impeller pump can also be used, as long as can accelerate chlorosilane liquid produced
Flowing velocity.
Further, detector is added, detector is arranged in tank body 21, for detecting the temperature in tank body 21.This
In embodiment, detector is added, the effect of detector is to detect the temperature of the chlorosilane gas in tank body 21, and by temperature
Data feedback makes staff understand the temperature conditions in tank body 21 at any time, so as to reach quick adjustment tank body 21 to terminal
The effect of air inflow, and then facilitate staff to detect the technique effect of tank body 21.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (8)
- A kind of 1. heat circulation system, it is characterised in that including：Heating part, the heating part have holding vessel, the first feed pipe and flue, and the flue is arranged on the heating part Top, first feed pipe is used to enter chlorosilane liquid produced, and the heating part also has heater, and the heater connects In the holding vessel, for heating the chlorosilane liquid produced entered from first feed pipe；Heat exchanging part, the heat exchanging part include tank body, inlet tube, the first discharge pipe and the first connecting tube, and the tank body is connected to institute Flue is stated, the chlorosilane gas produced for receiving the heating part, one end of the inlet tube is connected to feed liquor equipment, uses In the chlorosilane liquid produced for entering room temperature, the other end passes through the tank body, and is connected with each other with first discharge pipe, the discharge Pipe is connected to the tank body, for discharging the chlorosilane gas after exchanging heat；Cooling end, one end of the cooling end are connected to first connecting tube, for receiving the chlorosilane gas after cooling Body, and cooled down；Reflux portion, the reflux portion have the second feed pipe, return duct and the second discharge pipe, and second feed pipe is connected to institute Cooling end is stated, for receiving chlorosilane gas and/or chlorosilane liquid produced after cooling, the return duct is connected to the heating part Top, for being discharged into chlorosilane liquid produced after cooling to the heating part, second discharge pipe is used to discharge after cooling Chlorosilane gas.
- 2. heat circulation system according to claim 1, it is characterised in thatThe heat exchanging part further includes the second connecting tube, and second connecting tube is circumferentially positioned in the tank body, and described second connects Adapter has opposite first end and second end, and the first end passes through the inner wall of the tank body, and mutual with the liquid line Connection, the second end pass through the inner wall of the tank body, and are interconnected with first discharge pipe.
- 3. heat circulation system according to claim 2, it is characterised in thatSecond connecting tube further includes two transverse pipes and multiple longitudinal pipes, two transverse pipes include the first transverse pipe and Second transverse pipe, one end and the liquid line of first transverse pipe are interconnected, and the other end passes through the outer wall of the tank body, And extend along the inner wall of the tank body, one end of second transverse pipe is interconnected with first discharge pipe, the other end Extending through the outer wall of the tank body, and along the inner wall of the tank body, multiple transverse pipes are arranged in the tank body, and And the both ends of multiple transverse pipes are connected to first transverse pipe and second transverse pipe.
- 4. heat circulation system according to claim 3, it is characterised in thatThe diameter of each transverse pipe is more than the diameter of each longitudinal pipe.
- 5. heat circulation system according to claim 4, it is characterised in thatThe flue is interconnected with the tank body, and first connecting tube is interconnected with the tank body, and the tank body is used In passing through chlorosilane gas；Second connecting tube is looped around on the outer wall of the tank body, the both ends point of second connecting tube The liquid line and first discharge pipe are not connected to.
- 6. heat circulation system according to any one of claims 1 to 5, it is characterised in thatThe heater is reboiler.
- 7. heat circulation system according to any one of claims 1 to 5, it is characterised in that further include：Liquid pump, the liquid pump are arranged between the liquid line and the feed liquor equipment, for by chlorosilane liquid produced from institute State feed liquor equipment and be delivered to the heat exchanging part.
- 8. heat circulation system according to any one of claims 1 to 5, it is characterised in that further include：Detector, the detector are arranged in the tank body, for detecting the temperature in the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721332635.7U CN207267810U (en) | 2017-10-17 | 2017-10-17 | Heat circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721332635.7U CN207267810U (en) | 2017-10-17 | 2017-10-17 | Heat circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207267810U true CN207267810U (en) | 2018-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721332635.7U Active CN207267810U (en) | 2017-10-17 | 2017-10-17 | Heat circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207267810U (en) |
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2017
- 2017-10-17 CN CN201721332635.7U patent/CN207267810U/en active Active
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