CN207473437U - A kind of double mode handover control system of automatic steam control and electric heating control - Google Patents
A kind of double mode handover control system of automatic steam control and electric heating control Download PDFInfo
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- CN207473437U CN207473437U CN201721472478.XU CN201721472478U CN207473437U CN 207473437 U CN207473437 U CN 207473437U CN 201721472478 U CN201721472478 U CN 201721472478U CN 207473437 U CN207473437 U CN 207473437U
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Abstract
The utility model discloses a kind of automatic steam control and the double mode handover control system of electric heating control, including：First heating pipe, the second heating pipe, water supplement port, steam-heating system, electric heating system, cooling system and humidity control system.First heating pipe, the second heating pipe are connect respectively with temperature controlling instruments, and water supplement port is connected with the first heating pipe.Steam-heating system includes steam inlet, steam (vapor) outlet and First Heat Exchanger, and electric heating system includes circulating pump, electric heating tube.Humidity control system includes：The first dynamoelectric proportion valve being arranged at steam inlet, the second dynamoelectric proportion valve and third dynamoelectric proportion valve being arranged at First Heat Exchanger, the first thermal resistance on temperature controlling instruments, the second thermal resistance are arranged on, the third thermal resistance and the 4th thermal resistance being separately positioned on the first heating pipe and the second heating pipe.This practicality according to demand can mutually convert the heating source of temperature controlling instruments between steam and electrical heating, improve accuracy of temperature control.
Description
Technical field
The utility model is related to temperature controlled technical field, pair of more particularly to a kind of automatic steam control and electric heating control
Pattern switching.
Background technology
In the physical process and chemical reaction of the production processes such as chemical industry, oil, metallurgy, temperature is often one critically important
Amount, need accurately to be controlled.And in some areas, the load of electric power has also reached the bottleneck of a bit, therefore common electricity
The type of heating can not meet the demand of client.Meanwhile also can at some using the curstomer's site of common Electric heating
There is the presence of vapour source, therefore it can also be heated heat conduction medium by steam, after reaching certain temperature, further according to
The demand of client by the switching of valve, confirms final output to the temperature of client heat conduction medium, so as to reduce electricity consumption.
But steam, which heats, has certain limitation, within general 150 DEG C of heating temperature, and since steam heating speed is too fast,
Its temperature-controlled precision is poor, generally at ± 5 DEG C.Therefore, it also needs to assist using electrical heating in industry of the control temperature more than 150 DEG C
Effect client's temperature is promoted.
However, the existing one kind that just lacks can utilize steam heating and electrically heated control system simultaneously.
Utility model content
In view of the problems of the existing technology, the main purpose of the utility model is to provide a kind of automatic steam control and electrical heating
The double mode handover control system of control, the double mode handover control system can be according to the temperature of setting by the heat source of equipment
Automatically switched between steam heating and electrical heating both of which.
To achieve the above object, the utility model proposes automatic steam control and electric heating control double mode switching control system
System, including：The first heating pipe, the second heating pipe being connect with temperature controlling instruments are connected with first heating pipe
Water supplement port, the steam-heating system connected respectively with first heating pipe and second heating pipe, electric heating system,
Cooling system, the humidity control system being electrically connected respectively with temperature controlling instruments, steam-heating system, electric heating system, cooling system；
Wherein, the steam-heating system includes：Steam inlet, steam (vapor) outlet and First Heat Exchanger；The steam enters
Mouth is connected with the first entrance of the first heating pipe, First Heat Exchanger, the steam (vapor) outlet and the second heating pipe, the first heat exchange
The first outlet connection of device, the second entrance of the First Heat Exchanger are connected with second outlet with the second heating pipe；
The electric heating system includes circulating pump and electric heating tube, and the circulating pump is connected with the first heating pipe, described
Electric heating tube is connected with the second heating pipe, circulating pump；
The humidity control system includes：The first dynamoelectric proportion valve being arranged on the pipeline at steam inlet, is arranged on
Second dynamoelectric proportion valve of the first access point of First Heat Exchanger, the third being arranged at the second outlet of First Heat Exchanger are electronic
Proportioning valve is arranged on the first thermal resistance on temperature controlling instruments, the second thermal resistance, the third thermoelectricity being arranged on the first heating pipe
Resistance, the 4th thermal resistance being arranged on the second heating pipe, the be electrically connected respectively with the first dynamoelectric proportion valve, the first thermal resistance
One temperature controller and respectively with the second thermal resistance, third thermal resistance, the 4th thermal resistance, the second dynamoelectric proportion valve, the electronic ratio of third
Second temperature controller of example valve electrical connection.
Further, the first pneumatic operated valve on the pipeline that the steam inlet is connected with the first heating pipe, the steam go out
Second pneumatic operated valve on the pipeline that mouth is connected with the second heating pipe.
Further, first heating pipe is equipped with third pneumatic operated valve, and second heating pipe is equipped with the 4th
Pneumatic operated valve.
Further, first heating pipe is equipped with gas collecting jar with ground-on cover plate, and the gas collecting jar with ground-on cover plate is equipped with first row air valve；It is described
Second heating pipe is equipped with second row air valve.
Further, the circulating pump is equipped with third air bleeding valve.
Further, first heating pipe is equipped with vacuum tank.
Further, second heating pipe is equipped with pressure transmitter and second pressure gauge.
Specifically, the cooling system includes：Cooling water inlet, cooling water outlet and the second heat exchanger, the cooling
Water inlet is connected with the first entrance of the first heating pipe, the second heat exchanger, the cooling water outlet and the second heating pipe,
The first outlet connection of two heat exchangers, the second entrance of second heat exchanger connect with second outlet with the second heating pipe
It is logical.
Further, it is electronic to further include the 4th be arranged at the second outlet of the second heat exchanger for the humidity control system
Proportioning valve, and the 4th dynamoelectric proportion valve is electrically connected with the second temperature controller.
Compared with prior art, the double mode handover control system of automatic steam control and electric heating control provided by the utility model
It is obtained by automatic temperature-adjusting, setting needs temperature, automatically adjusts switch valve by temperature controller to control the heat source of temperature controlling instruments
It is from steam or electrical heating.Also, by detecting temperature, temperature can be accurately controlled in 0 DEG C of -180 DEG C of any temperature spot,
Temperature-controlled precision can reach ± 1 DEG C.
When stage that the utility model is quickly heated in early period and relatively low customer demand temperature, it can be carried out by steam
Heating saves electricity consumption, therefore has a vast market prospect in the place of some electric power energies anxiety.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the control principle drawing of one embodiment of the utility model；
The utility model aim is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific embodiment
The utility model proposes a kind of automatic steam controls and the double mode handover control system of electric heating control.
With reference to Fig. 1, Fig. 1 is the control principle drawing of one embodiment of the utility model.
As shown in Figure 1, in the utility model embodiment, the double mode switching control of the automatic steam control and electric heating control
System, including：The first heating pipe 100, the second heating pipe 200 being connect with temperature controlling instruments 800, with the first heating pipe
The water supplement port 300 of 100 connections, the steam-heating system connected respectively with the first heating pipe 100 and the second heating pipe 200,
Electric heating system, cooling system are electrically connected respectively with temperature controlling instruments 800, steam-heating system, electric heating system, cooling system
Humidity control system.
Wherein, steam-heating system includes：Steam inlet 410, steam (vapor) outlet 420 and First Heat Exchanger 430.Steam enters
Mouth 410 is connected with the first entrance of the first heating pipe 100, First Heat Exchanger 430,420 and second heating pipe of steam (vapor) outlet
200th, the first outlet connection of First Heat Exchanger 430, the second entrance of First Heat Exchanger 430 are heated with second outlet with second
Pipeline 200 connects.
In the present embodiment, the first y-type filter, the first shut-off valve, first are equipped on the pipeline of steam inlet 410 successively
Pressure gauge and the first safety valve, the pipeline connected with the first heating pipe 100 are equipped with the first pneumatic operated valve 411.Steam (vapor) outlet
Equipped with drain valve, the second pneumatic operated valve 421 on the pipeline connected with the second heating pipe 200 changes 420 pipeline with first
The pipeline of the first outlet connection of hot device 430 is equipped with the second shut-off valve.Positioned at the second entrance and second of First Heat Exchanger 430
The second heating pipe 200 between outlet is equipped with third shut-off valve.
Electric heating system includes circulating pump 510 and electric heating tube 520, and circulating pump 510 is connected with the first heating pipe 100,
Electric heating tube 520 is connected with the second heating pipe 200, circulating pump 510.
Cooling system includes：Cooling water inlet 610,620 and second heat exchanger 630 of cooling water outlet.Cooling water inlet
610 connect with the first entrance of the second heat exchanger 630, and cooling water outlet 620 is connected with the first outlet of the second heat exchanger 630,
The second entrance of second heat exchanger 630 is connected with second outlet with the second heating pipe 200.
In the present embodiment, the second y-type filter and the second safety valve are equipped on the pipeline of cooling water inlet 610 successively,
The pipeline of cooling water outlet 620 is equipped with first check-valve, between the second entrance and second outlet of the second heat exchanger 630
The second heating pipe 200 be equipped with the 4th shut-off valve.
Humidity control system includes：The first dynamoelectric proportion valve 710 being arranged on the pipeline at steam inlet 410, setting
In the second dynamoelectric proportion valve 720 of the first access point of First Heat Exchanger 430, it is arranged on the second outlet of First Heat Exchanger 430
The third dynamoelectric proportion valve 730 at place, the 4th dynamoelectric proportion valve 740 being arranged at the second outlet of the second heat exchanger 630, setting
First thermal resistance 750, the second thermal resistance 760, the third thermoelectricity being arranged on the first heating pipe 100 on temperature controlling instruments 800
Resistance 770, the 4th thermal resistance 780 being arranged on the second heating pipe 200, respectively with the first dynamoelectric proportion valve 710, the first thermoelectricity
Resistance 750 electrical connection the second temperature controllers 792 and respectively with the second thermal resistance 760, third thermal resistance 770, the 4th thermal resistance
780th, the first temperature controller that the second dynamoelectric proportion valve 720, third dynamoelectric proportion valve 730, the 4th dynamoelectric proportion valve 740 are electrically connected
791。
In the present embodiment, the 3rd Y type mistakes are equipped on the pipeline that water supplement port 300 is connected with the first heating pipe 100 successively
Filter, ball valve, pressure reducing valve, second check-valve and low tension switch.
In the present embodiment, the first heating pipe 100 is equipped with third pneumatic operated valve 110, and the second heating pipe 200 is equipped with
4th pneumatic operated valve 210, the left side pipeline of third pneumatic operated valve 110 are equipped with the 4th Y type strainer valves.
In the present embodiment, the first discharge outlet 120 is additionally provided on the first heating pipe 100, is set on the second heating pipe 200
There is the second discharge outlet 220, in order to which the waste water in the first heating pipe 100 and the second heating pipe 200 is discharged, supplement new
Hot water.
The utility model combines steam heating and electrically heated advantage, and heating process is as follows：
1st, it is heated first by steam-heating system
The first pneumatic operated valve 411 and the second pneumatic operated valve 421 are opened, is led to temperature controlling instruments 800 into steam, it is quick to heat.Pass through
Temperature in first thermal resistance 750 detection temperature controlling instruments 800, when the temperature that temperatures approach temperature controlling instruments 800 is set, by the
Two temperature controllers 792 control the aperture of the first dynamoelectric proportion valve 710, the supply of smaller steam, until stopping heating.Due to steam pressure
Height, rate of heat transfer is fast, can be by the temperature fast lifting of temperature controlling instruments 800 to 110 DEG C or so.
2nd, steam heating is switched to hot water circulation heated
After temperature controlling instruments 800 is heated to 110 DEG C or so by steam heating, it is pneumatic to close the first pneumatic operated valve 411 and second
Valve 421 opens third pneumatic operated valve 110 and the 4th pneumatic operated valve 210, opens circulating pump 510.When the temperature of temperature controlling instruments 800 is down to
At 90 DEG C or so, hot water is passed through into the first heating pipe 100 by water supplement port 300, under the action of circulating pump 510, is utilized
Hot water carries out temperature control to temperature controlling instruments 800.
During hot water circulation heated, hot water enters from third pneumatic operated valve 110 after temperature controlling instruments 800 to flow from the 4th pneumatic operated valve 210
Go out, by the detection of third thermal resistance 770 into the temperature of the hot water of temperature controlling instruments 800, detected according to the 4th thermal resistance 780 from control
According to the temperature value of front and rear acquisition, temperature control is carried out to temperature controlling instruments 800 for the temperature for the hot water that warm equipment 800 flows out.
In the present embodiment, the temperature requirements set according to client, can automatically select steam indirectly heat or electrical heating
Carry out supplementary heating,
When the temperature of customer demand is relatively low, steam is passed through in steam inlet 410, by First Heat Exchanger 430 to hot water
It is heated, is cooled down by the second heat exchanger 630, third dynamoelectric proportion valve 730 and the are controlled by the first temperature controller 791
The aperture of four dynamoelectric proportion valves 740, and then the ratio heated to hot water with cooling down is controlled, accurately controlled；
When the temperature of customer demand is higher, supplementary heating is carried out to hot water by electric heating tube 520, passes through the second heat exchange
Device 630 cools down, and the aperture of the 4th dynamoelectric proportion valve 740 is controlled by the first temperature controller 791, and then control to entering second
The water of the cooling water of heat exchanger 630 carries out accurate temperature controlling.
Compared with prior art, the utility model is obtained by automatic temperature-adjusting, and setting needs temperature, is adjusted automatically by temperature controller
Section switch valve is from steam or electrical heating to control the heat source of temperature controlling instruments 800.Also, by detecting temperature, can incite somebody to action
Temperature is accurately controlled in 0 DEG C of -180 DEG C of any temperature spot, and temperature-controlled precision can reach ± 1 DEG C.
When stage that the utility model is quickly heated in early period and relatively low customer demand temperature, it can be carried out by steam
Heating saves electricity consumption, therefore has a vast market prospect in the place of some electric power energies anxiety.
Further, the first heating pipe 100 is equipped with gas collecting jar with ground-on cover plate 130, and gas collecting jar with ground-on cover plate 130 is equipped with first row air valve, and
Third safety valve is equipped on the left side pipeline of gas collecting jar with ground-on cover plate 130.Second heating pipe 200 is equipped with second row air valve 230.
In the present embodiment, it during hot water circulation heated, will be produced in the first heating pipe 100 and the second heating pipe 200
Raw a certain amount of water vapour, by being equipped with gas collecting jar with ground-on cover plate 130 on the first heating pipe 100, to carry out steam separation, and will be extra
Water vapour discharge.By the setting second row air valve 230 in the second heating, the efficiency of exhaust can further improve.
Further, circulating pump 510 is equipped with third air bleeding valve 511, to discharge the water vapour in circulating pump 510 so that
The operation that circulating pump 510 can more be stablized.
Further, the first heating pipe 100 is equipped with vacuum tank 140, the first heating pipe 100 and second to be maintained to add
Pressure in hot channel 200.
Further, the second heating pipe 200 is equipped with pressure transmitter 240 and second pressure gauge 250, in order to second
Pressure gauge 250 detects the pressure in the second heating pipe 200, so as to adjust the pressure in the second heating pipe 200, avoids pressure
It is excessive.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Transformation or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (9)
1. a kind of double mode handover control system of automatic steam control and electric heating control, which is characterized in that including：With temperature controlling instruments
The first heating pipe, the second heating pipe of connection, the water supplement port connected with first heating pipe, respectively with described first
Steam-heating system that heating pipe is connected with second heating pipe, electric heating system, cooling system, set respectively with temperature control
The humidity control system that standby, steam-heating system, electric heating system, cooling system are electrically connected；
The steam-heating system includes：Steam inlet, steam (vapor) outlet and First Heat Exchanger；The steam inlet adds with first
The first entrance connection of hot channel, First Heat Exchanger, the steam (vapor) outlet and the second heating pipe, First Heat Exchanger first go out
Mouth connection, the second entrance of the First Heat Exchanger are connected with second outlet with the second heating pipe；
The electric heating system includes circulating pump and electric heating tube, and the circulating pump is connected with the first heating pipe, and the electricity adds
Heat pipe is connected with the second heating pipe, circulating pump；
The humidity control system includes：The first dynamoelectric proportion valve being arranged on the pipeline at steam inlet, is arranged on first
Second dynamoelectric proportion valve of the first access point of heat exchanger, the electronic ratio of third being arranged at the second outlet of First Heat Exchanger
Valve is arranged on the first thermal resistance on temperature controlling instruments, the second thermal resistance, the third thermal resistance being arranged on the first heating pipe, if
The 4th thermal resistance on the second heating pipe is put, the first temperature being electrically connected respectively with the first dynamoelectric proportion valve, the first thermal resistance
Control device and respectively with the second thermal resistance, third thermal resistance, the 4th thermal resistance, the second dynamoelectric proportion valve, third dynamoelectric proportion valve
Second temperature controller of electrical connection.
2. the double mode handover control system of automatic steam control as described in claim 1 and electric heating control, which is characterized in that institute
The first pneumatic operated valve, the steam (vapor) outlet on the pipeline that steam inlet is connected with the first heating pipe is stated to connect with the second heating pipe
Pipeline on the second pneumatic operated valve.
3. the double mode handover control system of automatic steam control as described in claim 1 and electric heating control, which is characterized in that institute
The first heating pipe is stated equipped with third pneumatic operated valve, second heating pipe is equipped with the 4th pneumatic operated valve.
4. the double mode handover control system of automatic steam control as described in claim 1 and electric heating control, which is characterized in that institute
The first heating pipe is stated equipped with gas collecting jar with ground-on cover plate, the gas collecting jar with ground-on cover plate is equipped with first row air valve；Second heating pipe is equipped with
Second row air valve.
5. the double mode handover control system of automatic steam control as claimed in claim 4 and electric heating control, which is characterized in that institute
Circulating pump is stated equipped with third air bleeding valve.
6. the double mode handover control system of automatic steam control as described in claim 1 and electric heating control, which is characterized in that institute
The first heating pipe is stated equipped with vacuum tank.
7. the double mode handover control system of automatic steam control as described in claim 1 and electric heating control, which is characterized in that institute
The second heating pipe is stated equipped with pressure transmitter and second pressure gauge.
8. the double mode handover control system of the automatic steam control and electric heating control as described in claim 1~7 any one,
It is characterized in that, the cooling system includes：Cooling water inlet, cooling water outlet and the second heat exchanger, the cooling water inlet
It is connected with the first entrance of the first heating pipe, the second heat exchanger, the cooling water outlet and the second heating pipe, the second heat exchange
The first outlet connection of device, the second entrance of second heat exchanger are connected with second outlet with the second heating pipe.
9. the double mode handover control system of automatic steam control as claimed in claim 8 and electric heating control, which is characterized in that institute
It states humidity control system and further includes the 4th dynamoelectric proportion valve being arranged at the second outlet of the second heat exchanger, and the 4th electricity
Dynamic proportioning valve is electrically connected with the second temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721472478.XU CN207473437U (en) | 2017-11-07 | 2017-11-07 | A kind of double mode handover control system of automatic steam control and electric heating control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721472478.XU CN207473437U (en) | 2017-11-07 | 2017-11-07 | A kind of double mode handover control system of automatic steam control and electric heating control |
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| CN207473437U true CN207473437U (en) | 2018-06-08 |
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| CN201721472478.XU Active CN207473437U (en) | 2017-11-07 | 2017-11-07 | A kind of double mode handover control system of automatic steam control and electric heating control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728671A (en) * | 2017-11-07 | 2018-02-23 | 深圳市奥德机械有限公司 | A kind of double mode handover control system of automatic steam control and electric heating control |
-
2017
- 2017-11-07 CN CN201721472478.XU patent/CN207473437U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107728671A (en) * | 2017-11-07 | 2018-02-23 | 深圳市奥德机械有限公司 | A kind of double mode handover control system of automatic steam control and electric heating control |
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