CN207384866U - A kind of evaporation concentration device for Sodium hypophosphite production - Google Patents

A kind of evaporation concentration device for Sodium hypophosphite production Download PDF

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Publication number
CN207384866U
CN207384866U CN201721399767.1U CN201721399767U CN207384866U CN 207384866 U CN207384866 U CN 207384866U CN 201721399767 U CN201721399767 U CN 201721399767U CN 207384866 U CN207384866 U CN 207384866U
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Prior art keywords
steam
evaporator
sodium hypophosphite
sensor
evaporation concentration
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CN201721399767.1U
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Chinese (zh)
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王继强
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Pharmaceutical Co Ltd Jiangxi Xin Xin Pharmaceutical
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Pharmaceutical Co Ltd Jiangxi Xin Xin Pharmaceutical
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

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Abstract

A kind of evaporation concentration device for Sodium hypophosphite production, including evaporator, sensor is equipped in evaporator, the top left side of evaporator is equipped with feed inlet, bottom is equipped with discharge port, the top of evaporator is equipped with steam (vapor) outlet, and steam (vapor) outlet is connected to a vacuum pump by vacuum tube, and vacuum pump is connected to a vapour compression machine by vacuum tube;The outside of evaporator is equipped with steam jacket, and the right side central of steam jacket is equipped with air intake, and left bottom is equipped with venthole, and the right end of air intake is connected with outer gas receiving tube and compressed steam pipe, and compressed steam pipe is connected to vapour compression machine.The evaporation concentration device for Sodium hypophosphite production in the utility model, due to being provided with vapour compression machine, vapour compression machine is used for the indirect steam pressure build up to generation, and utilizes the indirect steam catalytic reaction after heating, energy-saving and emission-reduction;Due to being provided with multiple sensors, an automatic control system is formd, greatly reduces labor intensity.

Description

A kind of evaporation concentration device for Sodium hypophosphite production
Technical field
The utility model relates generally to Sodium hypophosphite production technical field, more particularly to a kind of for Sodium hypophosphite production Evaporation concentration device.
Background technology
Sodium hypophosphite also known as sodium hypophosphite, are a kind of crystal or white crystalline powder with pearly luster, nothing Smelly, taste is salty, and water imbibition is strong, easy deliquescence, soluble easily in water, glycerine.Chemical plating agent, food can be used as, Industrial Boiler water additive resists Oxygen agent etc..The production technology of sodium hypophosphite is:Dispensing is reacted, and filtering concentrates for the first time, adjustment, and second concentrates, cooling and Crystallization, centrifugation and packaging.
Under normal pressure, heating evaporation sodium hypophosphite solution can explode, therefore evaporation should carry out under reduced pressure.Therefore often adopt Concentration is evaporated to sodium hypophosphite solution with vacuum evaporation device.The evaporation of liquid substance solvent under fluidized state is very Soon, boiling point changes due to pressure, pressure increase, the elevation of boiling point, and pressure reduces, and boiling point reduces.Two necessity of evaporation process Component:Heated material makes the indirect steam that solvent boiling vaporization is generated with constantly removing vaporization.
In the prior art, it is energy saving in order to be achieved the purpose that using indirect steam, it generally requires to set multiple-effect evaporation, steam Hair effect number is more, and the utilization rate of steam thermal energy is also higher.Generally frequently with double-effect evaporation or the mode of triple effect evaporation, but with Increasing for evaporation effect number, number of devices is also more, and fluid conveying kinetic energy consumption is also bigger;It is meanwhile of the prior art true Empty evaporation concentration equipment, the degree of automation is low, and labor intensity is big.
Utility model content
Based on this, the purpose of this utility model is to provide a kind of energy-saving and emission-reduction, high degree of automation be used for hypophosphorous acid The evaporation concentration device of sodium production.
A kind of evaporation concentration device for Sodium hypophosphite production including evaporator, is equipped with sensor in the evaporator, The top left side of the evaporator is equipped with feed inlet, and bottom is equipped with discharge port, and the top of the evaporator is equipped with steam (vapor) outlet, institute It states steam (vapor) outlet and one vacuum pump is connected to by vacuum tube, the vacuum pump is connected to a both vapor compression by the vacuum tube Machine;The outside of the evaporator is equipped with steam jacket, and the right side central of the steam jacket is equipped with air intake, and left bottom is equipped with Venthole, the right end of the air intake are connected with outer gas receiving tube and compressed steam pipe, and the compressed steam pipe is connected to the steaming Vapour compressor.
Compared with prior art, the advantages of evaporation concentration device of Sodium hypophosphite production is used for described in the utility model It is:Due to being provided with the vapour compression machine, the vapour compression machine is used for the indirect steam pressure build up to generation, and profit With the indirect steam catalytic reaction after heating, energy-saving and emission-reduction;Due to being provided with a variety of sensors, an automation is formd Control system greatly reduces labor intensity.
Above-mentioned in the evaporation concentration device of Sodium hypophosphite production, being additionally provided with by the vapour compression machine by steam Road, the steam by-pass are used for the pressure and temperature that the vapour compression machine is aided in adjust indirect steam, while for described Feeding secondary steam when vapour compression machine damages.
Above-mentioned in the evaporation concentration device of Sodium hypophosphite production, being set respectively on the feed inlet and the discharge port There are the first control valve and the second control valve;It is respectively equipped in the compressed steam pipe, the outer gas receiving tube and the steam by-pass Third control valve, the 4th control valve and the 5th control valve.
Above-mentioned in the evaporation concentration device of Sodium hypophosphite production, the sensor to include pressure sensor, described Pressure sensor is used to monitor the pressure in the evaporator in real time, to ensure that the evaporator is in negative pressure state.
Above-mentioned in the evaporation concentration device of Sodium hypophosphite production, the sensor to further include liquid level sensor, institute Liquid level sensor is stated for controlling the inlet amount in the evaporator.
Above-mentioned in the evaporation concentration device of Sodium hypophosphite production, the sensor to further include temperature sensor, institute Temperature sensor is stated for monitoring the temperature in the evaporator in real time, to ensure that sodium hypophosphite solution is evaporated at low temperature Concentration.
Above-mentioned in the evaporation concentration device of Sodium hypophosphite production, the sensor to further include saturation degree sensor, When sodium hypophosphite solution reaches saturation, the saturation degree sensor controls second control valve to open, and discharges concentrate.
Above-mentioned in the evaporation concentration device of Sodium hypophosphite production, being additionally provided with Despumation device, institute in the evaporator Despumation device is stated for carrying out gas-liquid separation to the indirect steam generated in the evaporator.
Above-mentioned in the evaporation concentration device of Sodium hypophosphite production, the Despumation device to be located at ullage, and low In the steam (vapor) outlet.
Above-mentioned in the evaporation concentration device of Sodium hypophosphite production, the Despumation device to include upper and lower two layers:Lower floor For baffle plate, upper strata is silk screen.
Description of the drawings
Fig. 1 is the schematic diagram of the evaporation concentration device for Sodium hypophosphite production in one embodiment of the utility model.
Main parts size symbol description:
Evaporator 10 Feed inlet 101
First control valve 1011 Discharge port 102
Second control valve 1021 Steam (vapor) outlet 103
Sensor 20 Pressure sensor 201
Liquid level sensor 202 Temperature sensor 203
Saturation degree sensor 204 Vacuum tube 30
Vacuum pump 40 Vapour compression machine 50
Steam jacket 60 Air intake 601
Venthole 602 Compressed steam pipe 70
Third control valve 701 Outer gas receiving tube 80
4th control valve 801 Steam by-pass 90
5th control valve 901 Despumation device 100
Following specific embodiment will further illustrate the utility model with reference to above-mentioned attached drawing.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings It states.Several embodiments of the utility model are given in attached drawing.But the utility model can in many different forms come in fact It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is the public affairs made to the utility model Open content more thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model The normally understood meaning of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include The arbitrary and all combination of one or more relevant Listed Items.
Referring to Fig. 1, be the evaporation concentration device for Sodium hypophosphite production in one embodiment of the utility model, including Evaporator 10, sensor 20 is equipped in the evaporator 10, and the top left side of the evaporator 10 is equipped with feed inlet 101, bottom Equipped with discharge port 102, the top of the evaporator 10 is equipped with steam (vapor) outlet 103, and the steam (vapor) outlet 103 passes through vacuum tube 30 A vacuum pump 40 is connected to, the vacuum pump 40 is connected to a vapour compression machine 50 by the vacuum tube 30;The evaporator 10 outside is equipped with steam jacket 60, and the right side central of the steam jacket 60 is equipped with air intake 601, and left bottom is equipped with out vapour Mouth 602, the right end of the air intake 601 is connected with outer gas receiving tube 80 and compressed steam pipe 70, and the compressed steam pipe 70 connects In the vapour compression machine 50.
Above-mentioned in the evaporation concentration device of Sodium hypophosphite production, due to being provided with the vapour compression machine 50, institute Vapour compression machine 50 is stated for the indirect steam pressure build up to generation, and utilizes the indirect steam catalytic reaction after heating, section It can emission reduction;Due to being provided with a variety of sensors 20, an automatic control system is formd, it is strong to greatly reduce work Degree.
Vapour compression machine 50 is that heat recovery system improves steam stripping temperature and pressure to the steam of generation by compression The key equipment of power.Effect is that the steam of low-temp low-pressure pressurizes heating, to reach technique or temperature and pressure needed for engineering Power requirement.In the present embodiment, the indirect steam of generation is concentrated by evaporation by the processing of the vapour compression machine 50, in temperature It rises, is heated available for for the evaporator 10.
In the present embodiment, steam by-pass 90 is additionally provided with by the vapour compression machine 50, the steam by-pass 90 is for auxiliary The vapour compression machine 50 is helped to adjust the pressure and temperature of indirect steam, while for defeated when the vapour compression machine 50 damages Send indirect steam.
In the present embodiment, it is respectively equipped with 1011 He of the first control valve on the feed inlet 101 and the discharge port 102 Second control valve 1021;The 3rd is respectively equipped in the compressed steam pipe 70, the outer gas receiving tube 80 and the steam by-pass 90 Control valve 701, the 4th control valve 801 and the 5th control valve 901.
First control valve 1011 is used for after liquor natrii hypochloritis is added in, and confined air is formed in the evaporator 10 Between;Second control valve 1021 is used to form confined space in charging, while the control discharge concentrate after the completion of concentration; When the third control valve 701 and the 5th control valve 901 are closed, the 4th control valve 801 is opened, it is initial for being passed through Heating steam closes the 4th control valve 801 after feed liquid boiling, opens 701 He of third control valve to start reaction 4th control valve 801 heats indirect steam to heat the evaporator 10 by the vapour compression machine 50.
In the present embodiment, the sensor 20 includes pressure sensor 201, liquid level sensor 202, temperature sensor 203 and saturation degree sensor 204.The pressure sensor 201 is used to monitor the pressure in the evaporation tube in real time, to ensure It states evaporator 10 and is in negative pressure state;The liquid level sensor 202 is used to control the inlet amount in the evaporator 10;The temperature Degree sensor 203 is used to monitor the temperature in the evaporator 10 in real time, to ensure that sodium hypophosphite solution is steamed at low temperature Hair concentration;When sodium hypophosphite solution reaches saturation, the saturation degree sensor 204 controls second control valve 1021 to open It opens, discharges concentrate.Multiple sensors 20 are cooperated with each other, and can effectively realize automatic business processing, and labor intensity is low.
In the present embodiment, Despumation device 100 is additionally provided in the evaporator 10, the Despumation device 100 is used for institute It states the indirect steam generated in evaporator 10 and carries out gas-liquid separation.The Despumation device 100 is located at ullage, and less than described Steam (vapor) outlet 103.
In the present embodiment, the Despumation device 100 includes upper and lower two layers:Lower floor is baffle plate, and upper strata is silk screen.Due to Liquor natrii hypochloritis's is dense in the evaporator 10, and the indirect steam being evaporated can carry larger amount of sodium hypochlorite secretly Solution, if it can be easy to block only with the silk screen, therefore the Despumation device 100, using double layer design, first layer uses The baffle plate, the second layer use the silk screen.The most of drop for being carried secretly indirect steam by the baffle plate removes, institute It is larger to state the vapour-liquid passage of baffle plate, will not block.Indirect steam after tentatively removing drop enters the silk screen, the silk Net removes the smaller droplet of remaining diameter in indirect steam, to ensure the quality of indirect steam.
Referring to Fig. 1, in the present embodiment, after adding in sodium hypophosphite solution by the feed inlet 101, described the is closed One control valve 1011, vacuumizes the evaporator 10 using the vacuum pump 40, and heating is passed through by the outer gas receiving tube 80 Steam heats the evaporator 10, and solution is promoted to evaporate, and closes the 4th control valve 801 after solution boiling, leads to It crosses the vapour compression machine 50 and carries out heating supercharging to the indirect steam of generation, and the high temperature and high pressure steam of generation is passed through described Steam jacket 60 heats solution, indirect steam is reused with this, energy-saving and emission-reduction.Pass through the pressure sensor 201, the pressure in the evaporator 10 can be monitored in real time, to ensure that the evaporator 10 is in negative pressure state;Pass through the liquid Level sensor 202, inlet amount that can be according to Liquid level in evaporator 10;It, can be real-time by the temperature sensor 203 The temperature in the evaporator 10 is monitored, to ensure that sodium hypophosphite solution is evaporated concentration at low temperature, prevents that temperature is excessively high The hidden dangers such as caused explosion;When sodium hypophosphite solution reaches saturation, the saturation degree sensor 204 controls described Two control valves 1021 are opened, and discharge concentrate.
To sum up, in the utility model, due to being provided with the vapour compression machine 50, the vapour compression machine 50 for pair The indirect steam pressure build up of generation, and utilize the indirect steam catalytic reaction after heating, energy-saving and emission-reduction;It is a variety of due to being provided with The sensor 20 forms an automatic control system, greatly reduces labor intensity.
Embodiment described above only expresses certain embodiment of the utility model, and description is more specific and detailed, But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of evaporation concentration device for Sodium hypophosphite production, including evaporator, which is characterized in that set in the evaporator There is sensor, the top left side of the evaporator is equipped with feed inlet, and bottom is equipped with discharge port, and the top of the evaporator, which is equipped with, steams Vapor outlet, the steam (vapor) outlet are connected to a vacuum pump by vacuum tube, and the vacuum pump is connected to one by the vacuum tube Vapour compression machine;The outside of the evaporator is equipped with steam jacket, and the right side central of the steam jacket is equipped with air intake, left side Bottom is equipped with venthole, and the right end of the air intake is connected with outer gas receiving tube and compressed steam pipe, the compressed steam pipe connection In the vapour compression machine.
2. the evaporation concentration device of Sodium hypophosphite production to be used for according to claim 1, which is characterized in that the both vapor compression Steam by-pass is additionally provided with by machine, the steam by-pass is used for the pressure and temperature that the vapour compression machine is aided in adjust indirect steam Degree, while for the feeding secondary steam when the vapour compression machine damages.
3. according to claim 2 be used for Sodium hypophosphite production evaporation concentration device, which is characterized in that the feed inlet and The first control valve and the second control valve are respectively equipped on the discharge port;The compressed steam pipe, the outer gas receiving tube and described Third control valve, the 4th control valve and the 5th control valve are respectively equipped in steam by-pass.
4. the evaporation concentration device of Sodium hypophosphite production to be used for according to claim 1, which is characterized in that the sensor bag Pressure sensor is included, the pressure sensor is used to monitor the pressure in the evaporator in real time, to ensure at the evaporator In negative pressure state.
5. the evaporation concentration device of Sodium hypophosphite production to be used for according to claim 1, which is characterized in that the sensor is also Including liquid level sensor, the liquid level sensor is used to control the inlet amount in the evaporator.
6. the evaporation concentration device of Sodium hypophosphite production to be used for according to claim 1, which is characterized in that the sensor is also Including temperature sensor, the temperature sensor is used to monitor the temperature in the evaporator in real time, to ensure that sodium hypophosphite is molten Liquid is evaporated concentration at low temperature.
7. the evaporation concentration device of Sodium hypophosphite production to be used for according to claim 3, which is characterized in that the sensor is also Including saturation degree sensor, when sodium hypophosphite solution reaches saturation, the saturation degree sensor controls second control valve It opens, discharges concentrate.
8. the evaporation concentration device of Sodium hypophosphite production to be used for according to claim 1, which is characterized in that in the evaporator Despumation device is additionally provided with, the Despumation device is used to carry out gas-liquid separation to the indirect steam generated in the evaporator.
9. the evaporation concentration device of Sodium hypophosphite production to be used for according to claim 8, which is characterized in that the Despumation device Positioned at ullage, and less than the steam (vapor) outlet.
10. the evaporation concentration device of Sodium hypophosphite production to be used for according to claim 8, which is characterized in that the foam removal dress It puts including upper and lower two layers:Lower floor is baffle plate, and upper strata is silk screen.
CN201721399767.1U 2017-10-27 2017-10-27 A kind of evaporation concentration device for Sodium hypophosphite production Expired - Fee Related CN207384866U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108970176A (en) * 2018-07-12 2018-12-11 安徽吉乃尔电器科技有限公司 A kind of industrial production device for refining
CN109650475A (en) * 2018-12-27 2019-04-19 常熟新特化工有限公司 A kind of sodium hypophosphite evaporation technology
CN112044102A (en) * 2020-08-31 2020-12-08 江苏康祥实业集团有限公司 A multistage evaporation plant for evaporation of sodium hypophosphite aqueous solution
CN113575358A (en) * 2021-08-19 2021-11-02 深圳市南方卉谷科技有限公司 Ingredient of planting matrix and preparation method thereof
CN115193071A (en) * 2022-07-08 2022-10-18 东莞益海嘉里生物科技有限公司 Distillers' grains liquid evaporation and concentration system and evaporation and concentration method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108970176A (en) * 2018-07-12 2018-12-11 安徽吉乃尔电器科技有限公司 A kind of industrial production device for refining
CN109650475A (en) * 2018-12-27 2019-04-19 常熟新特化工有限公司 A kind of sodium hypophosphite evaporation technology
CN112044102A (en) * 2020-08-31 2020-12-08 江苏康祥实业集团有限公司 A multistage evaporation plant for evaporation of sodium hypophosphite aqueous solution
CN112044102B (en) * 2020-08-31 2022-02-08 江苏康祥实业集团有限公司 A multistage evaporation plant for evaporation of sodium hypophosphite aqueous solution
CN113575358A (en) * 2021-08-19 2021-11-02 深圳市南方卉谷科技有限公司 Ingredient of planting matrix and preparation method thereof
CN113575358B (en) * 2021-08-19 2023-10-20 深圳市南方卉谷科技有限公司 Ingredients of planting matrix and preparation method thereof
CN115193071A (en) * 2022-07-08 2022-10-18 东莞益海嘉里生物科技有限公司 Distillers' grains liquid evaporation and concentration system and evaporation and concentration method thereof

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