CN207980447U - The thermal energy step for being air-dried wet salt as medium heating using salt manufacturing condensed water utilizes device - Google Patents
The thermal energy step for being air-dried wet salt as medium heating using salt manufacturing condensed water utilizes device Download PDFInfo
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- CN207980447U CN207980447U CN201820215744.9U CN201820215744U CN207980447U CN 207980447 U CN207980447 U CN 207980447U CN 201820215744 U CN201820215744 U CN 201820215744U CN 207980447 U CN207980447 U CN 207980447U
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Abstract
The utility model provide it is a kind of using salt manufacturing condensed water as medium heating be air-dried wet salt thermal energy step utilize device, the condensed water that the device is discharged from MVR salt making systems heats air as heat source, hot-air removes dry wet salt, returns salt making system brine heat exchanger heating brine after condensed water heating air again.Thermal energy step described in the utility model can be in the case where not building boiler and also not introducing steam using device, utilize the high feature of the condensate temperature of MVR salt making systems discharge, drying source instead of steam as wet salt, makes entirely to produce production process and no longer consumes any external steam；The condensate temperature that air heat exchanger is flowed out after heat exchange is still higher, returns the heat exchanger heating brine of MVR salt making systems, and the step circulation comprehensive for realizing thermal energy utilizes, and takes full advantage of thermal energy.
Description
Technical field
The utility model belongs to salt making technology field, and sky is heated as medium using salt manufacturing condensed water more particularly, to a kind of
The thermal energy step that gas dries wet salt utilizes device.
Background technology
All enterprises produced using MVR technique salt manufacturing domestic and international at present, are all that boiler is provided in use for oneself when wet salt is dried
The steam of production or external steam heat air to dry wet salt as heat source.Although this traditional mode effect is ideal,
But a large amount of steam need to be consumed.The condensate temperature of MVR salt making systems discharge is high, directly abandons using or make as brine heat exchange
With a large amount of wastes that can cause thermal energy, and the drying of wet salt needs high temperature heat source, and the manufacturing enterprise of salt manufacturing at present generally all builds
If coal-fired or combustion gas steam boiler is as high temperature heat source.
Invention content
In view of this, the utility model, which is directed to a kind of heated as medium using salt manufacturing condensed water, is air-dried wet salt
Thermal energy step utilize device, need to solve existing MVR techniques salt manufacturing in dry wet salt to consume a large amount of external steam and
The problems such as condensate temperature high fever of MVR salt making systems discharge can be utilized rationally.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of thermal energy step utilizes device, including MVR salt making systems heating room, air heat exchanger, drier, brine heat exchange
Device and salt making system；
The condensation-water drain of the salt making system is connected with air heat exchanger, and the air heat exchanger enters equipped with air
Mouthful, the hot air outlet of the air heat exchanger is connected with drier, condensation-water drain and the brine heat exchanger of air heat exchanger
It is connected, the brine heat exchanger is equipped with waste heat water out after secondary heat exchange, and the brine heat exchanger is equipped with cold brine import,
The hot brine outlet of the brine heat exchanger is connected with salt making system, the steam (vapor) outlet and system of MVR salt making systems heating room
Salt system is connected.
Further, the condensation-water drain of the salt making system balances bucket by condensed water and is connected with air heat exchanger, institute
The condensation-water drain for stating salt making system is connected with condensed water balance bucket, the liquid outlet and air heat exchanger of the condensed water balance bucket
It is connected, the steam (vapor) outlet of the condensed water balance bucket is connected with MVR salt making systems heating room.
Further, the liquid outlet of the condensed water balance bucket is connected with air heat exchanger by heat-exchanger pump.
Further, the liquid outlet of the condensed water balance bucket is also connected with brine heat exchanger.
Further, at the air intake of the air heat exchanger and/or the hot air outlet of the air heat exchanger with
Wind turbine is equipped between drier.
Further, the drier is blast drier.
Further, the heat-exchanger pump and wind turbine are controlled by controller, air heat exchanger tube side import and export and shell side
The temperature sensor being connected with controller is equipped at import and export.
Preferably, the controller is PLC controller.
Preferably, the air heat exchanger air walks shell side, and condensed water walks tube side.
Compared with the existing technology, thermal energy step described in the utility model is had the advantage that using device：
Thermal energy step described in the utility model using device can in the case where not building boiler and also not introducing steam,
Using the high feature of the condensate temperature of MVR salt making systems discharge, the drying source instead of steam as wet salt makes entirely to generate
Production process no longer consumes any external steam；The condensate temperature that air heat exchanger is flowed out after heat exchange is still higher, returns MVR
The heat exchanger of salt making system heats brine, and the step circulation comprehensive for realizing thermal energy utilizes, and takes full advantage of thermal energy.
A method of wet salt is air-dried as medium heating using salt manufacturing condensed water, is discharged from MVR salt making systems
Condensed water heats air as heat source, and hot-air removes dry wet salt, returns brine heat exchanger heating halogen after condensed water heating air again
Water；
Preferably, 140 DEG C~150 DEG C of condensed water being discharged from MVR salt making systems；
Preferably, after the condensed water that MVR salt making systems are discharged heats air as heat source, condensate temperature is down to 120
DEG C~130 DEG C；
Preferably, after the condensed water that MVR salt making systems are discharged heats air as heat source, air themperature rises to 130
DEG C~140 DEG C.
Above-mentioned thermal energy step using device tool usefulness this using salt manufacturing condensed water as medium heat be air-dried it is wet
The method of salt one should also have, and not repeat one by one herein.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is structural schematic diagram of the thermal energy step described in the utility model embodiment using device.
Reference sign：
1- condensed waters balance bucket；2- heat-exchanger pumps；3- air heat exchangers；4- brine heat exchangers；5- salt making systems；6-MVR systems
Salt system heats room；7- driers.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of thermal energy step utilizes device, as shown in Figure 1, including MVR salt making systems heating room 6, air heat exchanger 3, dry
Dry device 7, brine heat exchanger 4 and salt making system 5；
The condensation-water drain of salt making system 5 is connected with air heat exchanger 3, and air heat exchanger 3 is equipped with air intake, air
The hot air outlet of heat exchanger 3 is connected with drier 7, and the condensation-water drain of air heat exchanger 3 is connected with brine heat exchanger 4, halogen
Water- to-water heat exchanger 4 is equipped with waste heat water out after secondary heat exchange, and brine heat exchanger 4 is equipped with cold brine import, brine heat exchanger 4
Hot brine outlet is connected with salt making system 5, and the steam (vapor) outlet of MVR salt making systems heating room 6 is connected with salt making system 5.
Further, the condensation-water drain of salt making system 5 balances bucket 1 by condensed water and is connected with air heat exchanger 3, salt manufacturing
The condensation-water drain of system 5 is connected with condensed water balance bucket 1, and the liquid outlet of condensed water balance bucket 1 is connected with air heat exchanger 3,
The steam (vapor) outlet of condensed water balance bucket 1 is connected with MVR salt making systems heating room 6.The steam of condensed water balance bucket 1 goes out in this example
Mouth is located at the top of condensed water balance bucket 1, and the liquid outlet of condensed water balance bucket 1 is located at the bottom end of condensed water balance bucket 1.To make by oneself
The condensed water balance bucket 1 of condensed water of salt system 5, condensed moisture go to heat at two parts, a part according to old process equipment
Brine, another part are transported to air heat exchanger 3 by heat-exchanger pump 2, exchange heat herein with normal temperature air, become after atmosphere temperature rising
Hot wind goes drier 7 to dry wet salt, and brine heat exchanger 4 is entered after condensed water cooling and continues to heat lower temperature raw brine,
Brine after heating enters salt making system 5, and condensed water heat is further recycled utilization, and row arrives wastewater disposal basin after cooling.
Further, the liquid outlet of condensed water balance bucket 1 is connected with air heat exchanger 3 by heat-exchanger pump 2.
Further, the liquid outlet of condensed water balance bucket 1 is also connected with brine heat exchanger 4.
Further, at the air intake of air heat exchanger 3 and/or the hot air outlet of air heat exchanger 3 and drier 7
Between be equipped with wind turbine.
Further, drier 7 is blast drier.
Further, heat-exchanger pump 2 and wind turbine are controlled by controller, 3 tube side import and export of air heat exchanger and shell side into,
Exit is equipped with the temperature sensor being connected with controller.The setting of controller can, realize high-temperature condensation water, air and
The interlocking of flow, i.e., the amount for the wet salt dried as needed adjust the flow of required air between dry wet salt three, then
Hot blast temperature after being heated according to air adjusts the condensate flow from heat-exchanger pump, ensures the needs for meeting wet salt drying
Preferably, controller is PLC controller.Can by PLC controller according to the amount auto-adjustment control flow of wet salt,
Realize remote automatic control.
Preferably, 3 air of air heat exchanger walks shell side, and condensed water walks tube side.
140 DEG C~150 DEG C or so of condensed water being discharged from salt making system 5 goes out to balance bucket latter into condensed water balance bucket 1
Part goes heating raw brine, another part to be sent into the tube side of air heat exchanger 3 by heat-exchanger pump 2；Carry out normal temperature air from wind turbine
Into the shell side of air heat exchanger 3, the high-temperature condensation water flowed through in normal temperature air and tube side is changed in air heat exchanger 3
Heat, condensate temperature is down to 120 DEG C~130 DEG C after hot water heat exchange, returns MVR systems and enters brine heat exchanger 4 and brine heat exchange
To heat brine；Temperature rise removes dry salt product to 130 DEG C~140 DEG C into wet salt drier 7 after normal temperature air heat exchange.
Embodiment 1
When the amount of the wet salt in production is 20t/h, the air mass flow needed is 16000m3/ h, at this time air hose
Compressor flow Self controlling valve adjustment aperture on road meets air flow demand；Hot blast temperature is exported to reach air heat exchanger
130 DEG C of requirements, hot water pump discharge condensed water Self controlling valve starts to adjust, when the condensate flow on outlet conduit reaches 55m3/h
When, hot blast temperature reaches 130 DEG C, and system is transferred to normal operation.
Embodiment 2
When the amount of the wet salt in production increases to 25t/h, the flow self control valve aperture on air pipeline increases,
Until flow reaches 20000m3/ h, if the condensed water of heating air is constant, air heat exchanger 3 exports hot blast temperature gesture
It must reduce, but at the same time, since air heat exchanger outlet hot blast temperature and the condensed water Self controlling valve of hot water pump discharge interlock,
Heat-exchanger pump 2 exports condensed water Self controlling valve aperture and increases therewith, so that hot blast temperature is consequently increased and reaches 130 DEG C, cold at this time
Condensate flow should reach 68.75m3When/h.
In practical operation, after averagely dry wet salt quantity determines per hour, by PLC programmable input datas,
According to preset air mass flow, condensate flow correspondence, the flow of wind turbine, heat-exchanger pump is automatically adjusted, ensures air heat-exchange
It is constant that device 3 exports hot blast temperature.After wet salt dry amount, hot blast rate determine, heat is automatically adjusted by the hot blast temperature that PLC is shown
Water flow meets the dry requirement to hot blast temperature.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of thermal energy step utilizes device, it is characterised in that：Including MVR salt making systems heating room (6), air heat exchanger (3),
Drier (7), brine heat exchanger (4) and salt making system (5)；
The condensation-water drain of the salt making system (5) is connected with air heat exchanger (3), and the air heat exchanger (3) is equipped with sky
The hot air outlet of gas entrance, the air heat exchanger (3) is connected with drier (7), the condensation-water drain of air heat exchanger (3)
It is connected with brine heat exchanger (4), the brine heat exchanger (4) is equipped with waste heat water out after secondary heat exchange, the brine heat exchange
Device (4) is equipped with cold brine import, and the hot brine outlet of the brine heat exchanger (4) is connected with salt making system (5), the MVR
The steam (vapor) outlet of salt making system heating room (6) is connected with salt making system (5).
2. thermal energy step according to claim 1 utilizes device, it is characterised in that：The condensed water of the salt making system (5)
Outlet balances bucket (1) by condensed water and is connected with air heat exchanger (3), the condensation-water drain of the salt making system (5) and condensation
Water balance bucket (1) is connected, and the liquid outlet of the condensed water balance bucket (1) is connected with air heat exchanger (3), the condensed water balance
The steam (vapor) outlet of bucket (1) is connected with MVR salt making systems heating room (6).
3. thermal energy step according to claim 2 utilizes device, it is characterised in that：Condensed water balance bucket (1) goes out
Liquid mouth is connected with air heat exchanger (3) by heat-exchanger pump (2).
4. thermal energy step according to claim 2 or 3 utilizes device, it is characterised in that：The condensed water balance bucket (1)
Liquid outlet is also connected with brine heat exchanger (4).
5. thermal energy step according to claim 4 utilizes device, it is characterised in that：The air of the air heat exchanger (3)
Wind turbine is equipped between inlet and/or the hot air outlet and drier (7) of the air heat exchanger (3).
6. thermal energy step according to claim 4 utilizes device, it is characterised in that：The drier (7) is forced air drying
Device.
7. thermal energy step according to claim 5 utilizes device, it is characterised in that：The heat-exchanger pump (2) and wind turbine by
Controller controls, and the temperature being connected with controller is equipped at air heat exchanger (3) tube side import and export and shell side import and export and is passed
Sensor.
8. thermal energy step according to claim 7 utilizes device, it is characterised in that：The controller is PLC controller.
9. utilizing device according to claim 1-3 or 5-8 any one of them thermal energy step, it is characterised in that：The air changes
Hot device (3) air walks shell side, and condensed water walks tube side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820215744.9U CN207980447U (en) | 2018-02-07 | 2018-02-07 | The thermal energy step for being air-dried wet salt as medium heating using salt manufacturing condensed water utilizes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820215744.9U CN207980447U (en) | 2018-02-07 | 2018-02-07 | The thermal energy step for being air-dried wet salt as medium heating using salt manufacturing condensed water utilizes device |
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| Publication Number | Publication Date |
|---|---|
| CN207980447U true CN207980447U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820215744.9U Active CN207980447U (en) | 2018-02-07 | 2018-02-07 | The thermal energy step for being air-dried wet salt as medium heating using salt manufacturing condensed water utilizes device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176068A (en) * | 2018-02-07 | 2018-06-19 | 中盐工程技术研究院有限公司 | The method that thermal energy step is air-dried wet salt by the use of device and using salt manufacturing condensed water as medium heating |
-
2018
- 2018-02-07 CN CN201820215744.9U patent/CN207980447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176068A (en) * | 2018-02-07 | 2018-06-19 | 中盐工程技术研究院有限公司 | The method that thermal energy step is air-dried wet salt by the use of device and using salt manufacturing condensed water as medium heating |
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