CN109224486A - A kind of heat pump spray drying system - Google Patents
A kind of heat pump spray drying system Download PDFInfo
- Publication number
- CN109224486A CN109224486A CN201811138440.8A CN201811138440A CN109224486A CN 109224486 A CN109224486 A CN 109224486A CN 201811138440 A CN201811138440 A CN 201811138440A CN 109224486 A CN109224486 A CN 109224486A
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- drying tower
- tower
- drying
- heat pump
- cyclone separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/0011—Heating features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of heat pump spray drying systems, including feeding device, drying tower, heating tube, expansion valve, compressor, cooling tube, cyclone separator, inert blowing gas sweeping device, exhaust blower, siccative conveyer and controller, the compressor, heating tube, expansion valve, cooling tube is sequentially connected composition heat pump circulating system, heating tube is wrapped in drying tower external wall of upper portion, cooling tube is wrapped on dry conveyer shell wall surface, heating tube receives the high pressure gaseous working medium of compressor supply and heats the drying tower with dry supply to the material in tower, cooling tube receives the low-pressure liquid working medium of expansion valve supply and the siccative conveyer cools down to cooling dry products, its product does not contact directly with dried medium in entire drying process, product will not be polluted, and it realizes under low-pressure low-temperature to product Dry, quality of item is high, and low energy consumption, can directly pack dry products.
Description
Technical field
The present invention relates to dry fields, relate more specifically to a kind of heat pump spray drying system.
Background technique
Common spray drying system is that material will contact after the atomization of its solvent or diluent with hot-air in drying tower, mist
Material moisture rapid vaporization after change is to get arriving dry products.Spray drying technology can directly make solution, emulsion be dried to powder
Shape or particulate preparation can save the processes such as devaporation, crushing.But since in drying process, product directly connects with hot-air
Touching may cause unnecessary pollution to product, and the waste hot steam amount that existing spray drying system generates is very big, in vain
It exhausts and wastes energy, it is still high from the dry products temperature of drying tower bottom discharge, it is unfavorable for directly being packed.
Summary of the invention
In order to solve the above-mentioned technical problem, the invention proposes a kind of heat pump spray drying system, product and dry Jie
Matter is not directly contacted with, and will not pollute product, and the drying to product is realized under low-pressure low-temperature, and quality of item is high, and low energy consumption,
Directly dry products can be packed.
To achieve the above object, the invention adopts the following technical scheme:
A kind of heat pump spray drying system, including feeding device, drying tower, heating tube, expansion valve, compressor, cooling tube, whirlwind
Separator, inert blowing gas sweeping device, exhaust blower, siccative conveyer and controller, the drying tower are divided into upper and lower part, on
Portion is cylindrical, and lower part is in back taper；
The heating tube supplies the material to tower with heat drying for transferring heat to drying tower；
The compressor, heating tube, expansion valve, cooling tube are sequentially connected composition heat pump circulating system, and compressor is by low-temp low-pressure
Gaseous working medium is compressed into high pressure gaseous working medium, and heating tube receives the high pressure gaseous working medium of compressor supply and will be described
Drying tower heating, expansion valve reduces power pressure so that liquid refrigerant is easy to evaporate, and cooling tube receives the low pressure of expansion valve supply
Liquid refrigerant simultaneously cools down the siccative conveyer, and intraductal working medium evaporation at this time becomes low-temp low-pressure gaseous working medium；
The heating tube is wrapped in drying tower external wall of upper portion, and the cooling tube is wrapped on dry conveyer shell wall surface；
Multiple inert blowing gas sweeping devices, the inert blowing gas are circumferentially uniformly arranged on the side wall of the drying tower lower part of back taper
Sweeping device includes multiple air nozzles, and the air nozzle is connect with inertial gas tank；
It is provided with feeding device at the drying tower center of top, the feeding device includes material feeding box, feed pump and sprayer,
The outlet of the material feeding box connects feed pump, and the discharge port of the feed pump connects sprayer, the jet expansion of the sprayer
It protrudes into inside dry tower top；
The one side wall of the drying tower lower part of the back taper is equipped with exhaust outlet, and exhaust outlet is sequentially connected the whirlwind by pipeline
Separator and exhaust blower, the cyclone separator and drying tower bottom center discharge outlet are equipped with discharge valve, and the siccative is defeated
The machine interior of shell of sending is equipped with conveyer belt, the feed end of face conveyer belt, cyclone separator discharge port below drying tower discharge port
The discharge end of lower section face conveyer belt.
The drying tower and the siccative conveyer interior of shell are equipped with temperature sensor, feeding device, heat pump cycle system
System, cyclone separator, inert blowing gas sweeping device, exhaust blower and temperature sensor and the controller are electrically connected, and pass through control
Device processed adjusts the work shape of control feeding device, heat pump circulating system, cyclone separator, inert blowing gas sweeping device, exhaust blower
State.
The sprayer uses atomizer.
The inert gas uses nitrogen or helium.
Compared with prior art, the invention has the following advantages:
The present invention utilizes heat pump circulating system, and heating tube is wrapped in drying tower external wall of upper portion, and it is defeated that cooling tube is wrapped in drying
It send on machine shell wall surface, heating tube receives the high pressure gaseous working medium of compressor supply and heats the drying tower with drying
Supply to the material in tower, cooling tube receive the low-pressure liquid working medium of expansion valve supply and by siccative conveyer cooling to
Cooling dry products, its product does not contact directly with dried medium in entire drying process, will not pollute product, and low
The drying realized under temperature to product is forced down, quality of item is high, and low energy consumption, can directly pack dry products.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of heat pump spray drying system provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of heat pump spray drying system provided in this embodiment, including feeding device, drying tower 1 plus
Heat pipe 3, expansion valve 4, compressor 2, cooling tube 5, cyclone separator 6, inert blowing gas sweeping device 8, exhaust blower 7, siccative conveying
Machine and controller.
The drying tower 1 divides for upper and lower part, and top is cylindrical, and lower part is in back taper；The heating tube 3 is used for will
Heat transfer supplies the material to tower with heat drying to drying tower 1.
The compressor 2, heating tube 3, expansion valve 4, cooling tube 5 are sequentially connected composition heat pump circulating system, and compressor 2 will
Low-temp low-pressure gaseous working medium is compressed into high pressure gaseous working medium, and heating tube 3 receives the high pressure gaseous work that compressor 2 supplies
Matter simultaneously heats the drying tower 1, and expansion valve 4 reduces power pressure so that liquid refrigerant is easy to evaporate, and cooling tube 5 receives expansion
The low-pressure liquid working medium of valve supply simultaneously cools down siccative conveyer, and intraductal working medium evaporation at this time becomes low-temp low-pressure gaseous working medium.
The heating tube 3 is wrapped in 1 external wall of upper portion of drying tower, and the cooling tube 5 is wrapped in outside the dry conveyer
On 9 wall surface of shell.The heating tube 3 and cooling tube 5 are the structural element of common heat pump system, are meaned respectively in effect cold
Condenser and evaporator.
Multiple inert blowing gas sweeping devices 8, the inertia are circumferentially uniformly arranged on the side wall of the drying tower lower part of back taper
Gas purging device 8 includes multiple air nozzles, and the air nozzle is connect with inertial gas tank.
Feeding device is provided at 1 center of top of drying tower, the feeding device includes material feeding box 10,11 He of feed pump
Sprayer 12, the outlet of the material feeding box 10 connect feed pump 11, and the discharge port of the feed pump 11 connects sprayer 12, can adopt
It uses atomizer as sprayer, protrudes into the jet expansion of sprayer 12 inside dry tower top.
The one side wall of the drying tower lower part of back taper is equipped with exhaust outlet, and exhaust outlet is sequentially connected cyclonic separation by pipeline
Device 6 and exhaust blower 7, cyclone separator 6 and 1 bottom center discharge outlet of drying tower are equipped with discharge valve, siccative conveyer shell 9
Inside is equipped with conveyer belt 13, the feed end of face conveyer belt 13 below 1 discharge port of drying tower, under 6 discharge port of cyclone separator
Discharge end of the Founder to conveyer belt 13.
Inside drying tower 1 and siccative conveyer shell 9 be equipped with temperature sensor, the feeding device, heat pump circulating system,
Cyclone separator 6, inert blowing gas sweeping device 8, exhaust blower 7 and temperature sensor and controller are electrically connected, and pass through controller
Adjust the work shape of control feeding device, heat pump circulating system, cyclone separator 6, inert blowing gas sweeping device 8, exhaust blower 7
State.
Firstly, start inert blowing gas sweeping device 8 under the control of the controller, air nozzle injection inert gas (such as nitrogen
Gas or helium) atmosphere in drying tower is purged, inert blowing gas sweeping device 8 out of service after a period of time is purged, at this time
Start cyclone separator 6, exhaust blower 7 simultaneously, gas in drying tower is detached, makes to keep low-pressure state in drying tower, and start
Heat pump circulating system preheats drying tower 1 using heating tube 3, and siccative conveyer is pre-chilled in cooling tube 5, works as drying
When reaching suitable temperature numerical value in tower, start feeding device, the material to be dried in material feeding box 10 is sent into atomization by feed pump 11
Nozzle is atomized, and the material after atomization enters in tower from drying tower top spray, the material due to being in low-pressure state in tower, after atomization
One is heated in tower, material moisture flash evapn, and the steam of evaporation can be by the exhaust outlet of drying tower 1 through cyclone separator 6 and row
7 row of blower recycles to residual heat using device, and dry products by 1 bottom discharge of drying tower fall into conveyer belt 13 into
Expect end, dry products are cooled down inside the dry conveyer shell 9, and dry products after cooling go out from conveyer belt 13
Material brings out the dry products to be sent to automatic packaging machine, recycled from cyclone separator 6 and falls directly into conveyer belt 13 through discharge valve
Discharge end, and be sent to automatic packaging machine together and packed.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (4)
1. a kind of heat pump spray drying system, including feeding device, drying tower (1), heating tube (3), expansion valve (4), compressor
(2), cooling tube (5), cyclone separator (6), inert blowing gas sweeping device (8), exhaust blower (7), siccative conveyer and controller,
It is characterized in that, the drying tower (1) is divided into upper and lower part, top is cylindrical, and lower part is in back taper；The heating tube
(3) for transferring heat to the drying tower (1), the material to tower is supplied with heat drying；The compressor (2) adds
Heat pipe (3), expansion valve (4), cooling tube (5) are sequentially connected composition heat pump circulating system, and compressor (2) is by low-temp low-pressure gaseous state work
Matter is compressed into high pressure gaseous working medium, and heating tube (3) receives the high pressure gaseous working medium of compressor (2) supply and will be described
Drying tower (1) heating, expansion valve (4) reduces power pressure so that liquid refrigerant is easy to evaporate, and cooling tube (5) receives expansion valve and supplies
The low-pressure liquid working medium given simultaneously cools down the siccative conveyer, and intraductal working medium evaporation at this time becomes low-temp low-pressure gaseous working medium；
The heating tube (3) is wrapped in the drying tower (1) external wall of upper portion, and the cooling tube (5) is wrapped in the dry conveyer
On shell (9) wall surface, multiple inert blowing gas sweeping devices (8) are circumferentially uniformly arranged on the side wall of the drying tower lower part of back taper,
The inert blowing gas sweeping device (8) includes multiple air nozzles, and the air nozzle is connect with inertial gas tank；The drying tower
(1) feeding device is provided at center of top, the feeding device includes material feeding box (10), feed pump (11) and sprayer
(12), the outlet of the material feeding box (10) connects feed pump (11), and the discharge port of the feed pump (11) connects sprayer (12),
The jet expansion of the sprayer (12) protrudes into inside dry tower top；The one side wall of the drying tower lower part of the back taper is equipped with
Exhaust outlet, exhaust outlet are sequentially connected the cyclone separator (6) and the exhaust blower (7) by pipeline；The cyclone separator
(6) and the drying tower (1) bottom center discharge outlet is equipped with discharge valve, installation inside the siccative conveyer shell (9)
Have conveyer belt (13), the feed end of face conveyer belt (13), the cyclone separator (6) below drying tower (1) discharge port
The discharge end of face conveyer belt (13) below discharge port；It is equipped with inside the drying tower (1) and the siccative conveyer shell (9)
Temperature sensor, the feeding device, heat pump circulating system, cyclone separator (6), inert blowing gas sweeping device (8), exhaust blower
(7) it is electrically connected with temperature sensor with the controller, is adjusted by the controller and control the feeding device, heat pump follows
The working condition of loop system, cyclone separator (6), inert blowing gas sweeping device (8), exhaust blower (7).
2. heat pump spray drying system according to claim 1 or 2, which is characterized in that the sprayer (12) uses mist
Change nozzle.
3. heat pump spray drying system according to claim 1 or 2, which is characterized in that the inert gas uses nitrogen
Or helium.
4. a kind of drying means using the described in any item heat pump spray drying systems of claim 1-3, which is characterized in that first
First, under the control of the controller start inert blowing gas sweeping device (8), air nozzle spray inert gas to atmosphere in drying tower into
Row purging, purges inert blowing gas sweeping device (8) out of service after a period of time, starts cyclone separator (6), row simultaneously at this time
Blower (7), gas in drying tower is detached, and is made to keep low-pressure state in drying tower, and start heat pump circulating system, is utilized heating
Pipe (3) preheats drying tower (1), and siccative conveyer is pre-chilled in cooling tube (5), when reaching suitable temperature in drying tower
When numerical value, start feeding device, the material to be dried in material feeding box (10) is sent into atomizer (12) and carried out by feed pump (11)
Atomization, the material after atomization enter in tower from drying tower top spray, and due to being in low-pressure state in tower, the material after atomization is one in tower
Heated, the steam of material moisture flash evapn, evaporation can be by the exhaust outlet of drying tower (1) through cyclone separator (6) and exhaust blower
(7) it arranges and is recycled to residual heat using device, and dry products fall into conveyer belt (13) by drying tower (1) bottom discharge
Feed end, dry products are cooled down inside the dry conveyer shell (9), and dry products after cooling are from conveyer belt
(13) discharge end comes out and is sent to automatic packaging machine, and the dry products recycled from cyclone separator (6) are fallen directly into through discharge valve
The discharge end of conveyer belt (13), and be sent to automatic packaging machine together and packed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138440.8A CN109224486B (en) | 2018-09-28 | 2018-09-28 | Heat pump spray drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811138440.8A CN109224486B (en) | 2018-09-28 | 2018-09-28 | Heat pump spray drying system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109224486A true CN109224486A (en) | 2019-01-18 |
| CN109224486B CN109224486B (en) | 2021-02-26 |
Family
ID=65057561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811138440.8A Active CN109224486B (en) | 2018-09-28 | 2018-09-28 | Heat pump spray drying system |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841047A (en) * | 2019-04-26 | 2020-10-30 | 宁德时代新能源科技股份有限公司 | Negative electrode material production equipment |
| CN112316456A (en) * | 2020-11-16 | 2021-02-05 | 景德镇欧神诺陶瓷有限公司 | Constant temperature spray drying system |
| CN113666960A (en) * | 2021-10-22 | 2021-11-19 | 江苏七洲绿色科技研究院有限公司 | Method for recovering glufosinate-ammonium from glufosinate-ammonium crystallization mother liquor |
| CN115682637A (en) * | 2022-09-22 | 2023-02-03 | 意大利铂碧环保科技公司 | Mud drying process system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101078595A (en) * | 2006-05-25 | 2007-11-28 | 刘岊阳 | Spray drying machine |
| CN204428855U (en) * | 2014-12-27 | 2015-07-01 | 赣州市芯隆新能源材料有限公司 | A kind of energy-saving spray drying system |
| CN106390495A (en) * | 2016-09-25 | 2017-02-15 | 黄卫东 | Air energy spraying and drying equipment |
-
2018
- 2018-09-28 CN CN201811138440.8A patent/CN109224486B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078595A (en) * | 2006-05-25 | 2007-11-28 | 刘岊阳 | Spray drying machine |
| CN204428855U (en) * | 2014-12-27 | 2015-07-01 | 赣州市芯隆新能源材料有限公司 | A kind of energy-saving spray drying system |
| CN106390495A (en) * | 2016-09-25 | 2017-02-15 | 黄卫东 | Air energy spraying and drying equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111841047A (en) * | 2019-04-26 | 2020-10-30 | 宁德时代新能源科技股份有限公司 | Negative electrode material production equipment |
| CN112316456A (en) * | 2020-11-16 | 2021-02-05 | 景德镇欧神诺陶瓷有限公司 | Constant temperature spray drying system |
| CN113666960A (en) * | 2021-10-22 | 2021-11-19 | 江苏七洲绿色科技研究院有限公司 | Method for recovering glufosinate-ammonium from glufosinate-ammonium crystallization mother liquor |
| CN113666960B (en) * | 2021-10-22 | 2022-02-18 | 江苏七洲绿色科技研究院有限公司 | Method for recovering glufosinate-ammonium from glufosinate-ammonium crystallization mother liquor |
| CN115682637A (en) * | 2022-09-22 | 2023-02-03 | 意大利铂碧环保科技公司 | Mud drying process system |
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| Publication number | Publication date |
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| CN109224486B (en) | 2021-02-26 |
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Effective date of registration: 20210207 Address after: 243000 2, 1669 north section of Huo Li Shan Road, Ma'anshan high tech Zone, Anhui Applicant after: MAANSHAN NIUZE TECHNOLOGY SERVICE Co.,Ltd. Address before: 226000 No.1, group 27, fengshanju, Dingyan Town, Rugao City, Nantong City, Jiangsu Province Applicant before: Zhu Linglin |
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Effective date of registration: 20221123 Address after: 532200 Xinhe Town, Jiangzhou District, Chongzuo City, Guangxi Zhuang Autonomous Region (within Chongzuo Overseas Chinese Economic Management Zone) Patentee after: GUANGXI XIANGGUI BIOTECHNOLOGY Co.,Ltd. Address before: 243000 2, 1669 north section of Huo Li Shan Road, Ma'anshan high tech Zone, Anhui Patentee before: MAANSHAN NIUZE TECHNOLOGY SERVICE Co.,Ltd. |
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