CN208010545U - Fused salt circulating energy-saving mechanism in phthalic anhydride production - Google Patents
Fused salt circulating energy-saving mechanism in phthalic anhydride production Download PDFInfo
- Publication number
- CN208010545U CN208010545U CN201721843378.3U CN201721843378U CN208010545U CN 208010545 U CN208010545 U CN 208010545U CN 201721843378 U CN201721843378 U CN 201721843378U CN 208010545 U CN208010545 U CN 208010545U
- Authority
- CN
- China
- Prior art keywords
- cooling
- salt circulating
- molten salt
- circulating pump
- liquid
- 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.)
- Active
Links
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model belongs to phthalic anhydride production equipment technology, fused salt circulating energy-saving mechanism in being produced more particularly to phthalic anhydride, including molten salt circulating pump, the cooling unit of cooling molten salt circulating pump, it is frequency conversion molten salt circulating pump that frequency-variable controller or molten salt circulating pump are equipped at the molten salt circulating pump, cooling unit includes cooling medium tank, the coolant circulation pump being arranged at cooling medium tank, coolant circulation pump connects molten salt circulating pump one end by cooling tube, the molten salt circulating pump other end is by there is the cooling medium tank of liquid back pipe connection, liquid back pipe is equipped with heat exchanger, cooling tube is equipped with feed liquor electromagnetic flow control valve, liquid back pipe is equipped with back liquid electromagnetic flow control valve, reduce the energy consumption of fused salt cycle, ensure the stable operation of fused salt cycle.
Description
Technical field
The utility model belongs to phthalic anhydride production equipment technology, and in particular to the fused salt circulating energy-saving machine in phthalic anhydride production
Structure.
Background technology
Molten salt circulating pump is power frequency startup in phthalic anhydride industry, and the internal circulating load surplus of circulating pump is sufficiently large in design,
Surplus meeting bigger, exacerbates electric quantity consumption, making phthalic anhydride, the production cost increases when device underrun.In addition, phthalic anhydride fused salt follows
The part for being cooled to common circulating water cooling system of ring pump motor, cooling efficiency is low, it cannot be guaranteed that fused salt cycle is steady
Fixed operation.
Utility model content
Technical problem to be solved in the utility model is in view of the foregoing drawbacks, to provide the fused salt repetend in phthalic anhydride production
Energy mechanism, reduces the energy consumption of fused salt cycle, ensures the stable operation of fused salt cycle.
The technical solution that the utility model solves the use of its technical problem is as follows：
Fused salt circulating energy-saving mechanism in phthalic anhydride production includes the cooling unit of molten salt circulating pump, cooling molten salt circulating pump,
It is frequency conversion molten salt circulating pump that frequency-variable controller or molten salt circulating pump are equipped at the molten salt circulating pump, and cooling unit includes cold
But medium tank, the coolant circulation pump being arranged at cooling medium tank, coolant circulation pump connect molten salt circulating pump one end by cooling tube,
For the molten salt circulating pump other end by there is a cooling medium tank of liquid back pipe connection, liquid back pipe is equipped with heat exchanger, cooling tube be equipped with into
Liquid electromagnetic flow control valve, liquid back pipe are equipped with back liquid electromagnetic flow control valve, and the frequency control of molten salt circulating pump is effectively save
Electric quantity consumption, the individual cooling unit at molten salt circulating pump ensure the normal operation of fused salt pump motor, cooling high-efficiency, while cold
But the cooling efficiency of unit is high, reduces the cost of phthalic anhydride production.
Further, the coolant circulation pump is frequency conversion coolant circulation pump.
Further, the cooling tube connects multiple cooling branches by dispenser, and cooling branch is correspondingly connected with multiple
Molten salt circulating pump, multiple molten salt circulating pumps connect liquid back pipe by multiple times liquid branches,
Further, the cooling branch road is equipped with cooling branch electromagnetic flow control valve, and described returns liquid branch
It is equipped with back liquid branch electromagnetic flow control valve.
The utility model has the beneficial effects that：Using the above scheme, the effectively save electricity of the frequency control of molten salt circulating pump
It consumes, the individual cooling unit at molten salt circulating pump ensures the normal operation of fused salt pump motor, cooling high-efficiency, while cooling list
The cooling efficiency of member is high, reduces the cost of phthalic anhydride production.
Description of the drawings
Through the following detailed description taken in conjunction with the accompanying drawings, the utility model objects, features and advantages above-mentioned and other will
It becomes apparent.
Fig. 1 is the schematic diagram of the utility model.
Wherein：1 frequency conversion molten salt circulating pump 1,2 is cooling medium tank, and 3 be frequency conversion coolant circulation pump, and 4 be cooling tube, and 41 are
Cooling branch, 42 be feed liquor electromagnetic flow control valve, and 43 be cooling branch electromagnetic flow control valve, and 5 be liquid back pipe, and 51 are back liquid
Branch, 52 are back liquid electromagnetic flow control valve, and 53 are back liquid branch electromagnetic flow control valve, and 6 be heat exchanger.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1：Shown in referring to Fig.1, the fused salt circulating energy-saving mechanism in phthalic anhydride production, including frequency conversion molten salt circulating pump 1,
Cooling unit, cooling unit includes cooling medium tank 2, cools down the frequency conversion coolant circulation pumps 3 of 2 settings at medium tank, using frequency conversion
Molten salt circulating pump can greatly reduce the energy consumption that fused salt recycles in phthalic anhydride production, reduce the cost of phthalic anhydride production, cooling medium tank 2
It is connect with frequency conversion coolant circulation pump 3 by solenoid valve vents valve, frequency conversion coolant circulation pump 3 is connected with cooling tube 4, and cooling tube 4 is logical
It crosses dispenser and is connected with four tunnels cooling branch 41, four tunnels cooling branch 41 is separately connected one end of four frequency conversion molten salt circulating pumps 1,
The other end of four frequency conversion molten salt circulating pumps 1 is connected with back liquid branch 51, returns liquid branch 51 and is connected to liquid back pipe 5, liquid back pipe 5 is connected to
Cooling medium tank 2, liquid back pipe 5 are equipped with heat exchanger 6, and heat exchanger 6 carries out energy regenerating, improves the utilization rate of the energy, reduces whole
Body cost, cooling tube 4 are equipped with feed liquor electromagnetic flow control valve 42, and cooling branch 41 is equipped with cooling branch Electromagnetic Flow control
Valve 43, feed liquor electromagnetic flow control valve 42, cooling branch electromagnetic flow control valve 43 constitute and enter frequency conversion molten salt circulating pump motor
The Multistage Control valve group of coolant liquid, can be precisely controlled the amount that coolant liquid enters frequency conversion molten salt circulating pump motor, and liquid back pipe 5 is equipped with
Liquid electromagnetic flow control valve 52 is returned, liquid branch 51 is returned and is equipped with back liquid branch electromagnetic flow control valve 53, return liquid electromagnetic flow control
Valve 52 processed returns the multilevel control valve that liquid branch electromagnetic flow control valve 53 constitutes outflow frequency conversion molten salt circulating pump motor coolant liquid
Group can be precisely controlled the amount of coolant liquid outflow frequency conversion molten salt circulating pump motor, by accurately controlling inflow, discharge, frequency conversion
Coolant circulation pump 3 and the cooperation for flowing into Multistage Control valve group, flowing out Multistage Control valve group, are realized to frequency conversion molten salt circulating pump motor
Cooling efficiency maximization, improve the cooling efficiency of entire cooling unit, ensure that the stable operation of fused salt cycle, efficiency carry
Height reduces the energy consumption of cooling unit, further, reduces the cost of phthalic anhydride production.
Embodiment 2：Shown in referring to Fig.1, the fused salt circulating energy-saving mechanism in phthalic anhydride production, including frequency conversion molten salt circulating pump 1,
Cooling unit, cooling unit includes cooling medium tank 2, cools down the frequency conversion coolant circulation pumps 3 of 2 settings at medium tank, using frequency conversion
Molten salt circulating pump can greatly reduce the energy consumption that fused salt recycles in phthalic anhydride production, reduce the cost of phthalic anhydride production, cooling medium tank 2
It is connect with frequency conversion coolant circulation pump 3 by solenoid valve vents valve, frequency conversion coolant circulation pump 3 is connected with cooling tube 4, and cooling tube 4 is logical
It crosses dispenser and is connected with four tunnels cooling branch 41, four tunnels cooling branch 41 is separately connected one end of four frequency conversion molten salt circulating pumps 1,
The other end of four frequency conversion molten salt circulating pumps 1 is connected with back liquid branch 51, returns liquid branch 51 and is connected to liquid back pipe 5, liquid back pipe 5 is connected to
Cooling medium tank 2, cooling tube 4 are equipped with feed liquor electromagnetic flow control valve 42, and cooling branch 41 is equipped with cooling branch electromagnetic current
Control valve 43, feed liquor electromagnetic flow control valve 42, cooling branch electromagnetic flow control valve 43 constitute and enter frequency conversion fused salt cycle
The Multistage Control valve group of pump motor coolant liquid can be precisely controlled the amount that coolant liquid enters frequency conversion molten salt circulating pump motor, liquid back pipe 5
It is equipped with back liquid electromagnetic flow control valve 52, liquid branch 51 is returned and is equipped with back liquid branch electromagnetic flow control valve 53, return liquid electromagnetic
Flow control valve 52 returns the multistage control that liquid branch electromagnetic flow control valve 53 constitutes outflow frequency conversion molten salt circulating pump motor coolant liquid
Valve group processed can be precisely controlled the amount of coolant liquid outflow frequency conversion molten salt circulating pump motor, by accurately controlling inflow, discharge,
Frequency conversion coolant circulation pump 3 and the cooperation for flowing into Multistage Control valve group, flowing out Multistage Control valve group, are realized to frequency conversion molten salt circulating pump
The maximization of the cooling efficiency of motor improves the cooling efficiency of entire cooling unit, and efficiency improves, and reduces the energy of cooling unit
Consumption further reduces the cost of phthalic anhydride production.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
It makes, to any simple modification, equivalent variations made by above example in every foundation the technical essence of the utility model, falls
Enter within the scope of protection of the utility model.
Claims (4)
1. the fused salt circulating energy-saving mechanism in phthalic anhydride production includes the cooling unit of molten salt circulating pump, cooling molten salt circulating pump,
It is characterized in that, it is frequency conversion molten salt circulating pump that frequency-variable controller or molten salt circulating pump are equipped at the molten salt circulating pump, cooling
Unit includes cooling medium tank, cools down the coolant circulation pump being arranged at medium tank, and coolant circulation pump connects fused salt by cooling tube
Circulating pump one end, for the molten salt circulating pump other end by there is the cooling medium tank of liquid back pipe connection, liquid back pipe is equipped with heat exchanger, cooling
Pipe is equipped with feed liquor electromagnetic flow control valve, and liquid back pipe is equipped with back liquid electromagnetic flow control valve.
2. the fused salt circulating energy-saving mechanism in phthalic anhydride production according to claim 1, it is characterised in that：The cooling follows
Ring pump is frequency conversion coolant circulation pump.
3. the fused salt circulating energy-saving mechanism in phthalic anhydride production according to claim 1, it is characterised in that：The cooling tube
Multiple cooling branches are connected by dispenser, cooling branch is correspondingly connected with multiple molten salt circulating pumps, and multiple molten salt circulating pumps pass through
Multiple times liquid branch connects liquid back pipe.
4. the fused salt circulating energy-saving mechanism in phthalic anhydride production according to claim 3, it is characterised in that：The cooling branch
Road is equipped with cooling branch electromagnetic flow control valve, and the liquid branch road of returning is equipped with back liquid branch electromagnetic flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721843378.3U CN208010545U (en) | 2017-12-25 | 2017-12-25 | Fused salt circulating energy-saving mechanism in phthalic anhydride production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721843378.3U CN208010545U (en) | 2017-12-25 | 2017-12-25 | Fused salt circulating energy-saving mechanism in phthalic anhydride production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010545U true CN208010545U (en) | 2018-10-26 |
Family
ID=63881903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721843378.3U Active CN208010545U (en) | 2017-12-25 | 2017-12-25 | Fused salt circulating energy-saving mechanism in phthalic anhydride production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010545U (en) |
-
2017
- 2017-12-25 CN CN201721843378.3U patent/CN208010545U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205481742U (en) | Air source heat pump unit and couple constant temperature and isopiestic pressure hot water supply system of water tanks combination | |
| CN204612240U (en) | Pump type heat photovoltaic and photothermal set composite | |
| CN203949361U (en) | A kind of intelligent air energy domestic hot-water produces system | |
| CN203550290U (en) | High-temperature heat pump system for recycling waste heat of printing and dyeing plant | |
| CN203561211U (en) | Electric melting furnace heat exchange water cooling device | |
| CN208010545U (en) | Fused salt circulating energy-saving mechanism in phthalic anhydride production | |
| CN102889827A (en) | Water cooling system | |
| CN201302325Y (en) | Production equipment water cooling system | |
| CN207350600U (en) | Higher temperatures cold supply system | |
| CN203649350U (en) | Self-circulating water cooling system of oxygen-free copper rod upward continuous casting machine | |
| CN202925312U (en) | Dyeing machine | |
| CN211177249U (en) | Heat pump cooling and heating water storage tank | |
| CN206016949U (en) | A kind of engine thermolator module | |
| CN202144492U (en) | Direct refrigerant supply temperature reducing device for fermentation tank | |
| CN202054818U (en) | Softened water circulating system of air compressors in beer production technology | |
| CN201799428U (en) | Wash tank cooled and heated from external | |
| CN204611943U (en) | The control device of solar heat-preservation ground, rural area temperature-changeable | |
| CN204026928U (en) | A kind of novel energy-conserving central air conditioner system | |
| CN212274088U (en) | Novel open heat supply and control system of air source heat pump | |
| CN204359033U (en) | The energy-saving electric system of a kind of power station recirculated cooling water | |
| CN204894440U (en) | A cooling system for infusing production line | |
| CN207610454U (en) | Energy-saving pharmaceutical technology low temperature open type cooling cycle system | |
| CN204084678U (en) | A kind of novel energy-conserving central air conditioner system | |
| CN210220790U (en) | Anti-supply heat abstractor of storable energy | |
| CN103277896B (en) | A kind of water circulation system for water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |