CN205087954U - System for adopt concentrated watery hydrochloric acid of vacuum type membrane distillation system - Google Patents
System for adopt concentrated watery hydrochloric acid of vacuum type membrane distillation system Download PDFInfo
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- CN205087954U CN205087954U CN201520807207.XU CN201520807207U CN205087954U CN 205087954 U CN205087954 U CN 205087954U CN 201520807207 U CN201520807207 U CN 201520807207U CN 205087954 U CN205087954 U CN 205087954U
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- hydrochloric acid
- membrane distillation
- pipeline
- vacuum
- type membrane
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Abstract
The utility model relates to a system for adopt concentrated watery hydrochloric acid of vacuum type membrane distillation system, including hydrochloric acid stoste case, the lower extreme of hydrochloric acid stoste case is connected with leading filter through the circulating pump, the liquid outlet of leading filter passes through pipeline an and is connecting the vacuum membrane distillation subassembly, be linked together with hydrochloric acid stoste case through pipeline b on the hydrothermal solution outlet pipe of vacuum membrane distillation subassembly, the heat outlet pipe of vacuum membrane distillation subassembly is gone up and is being connected evaporative condenser through pipeline c, the cold water storage cistern is being connected through the pump in evaporative condenser's upper end, evaporative condenser's lower extreme coordination has two sets of buffer tanks, and the upper end of every group buffer tank is linked together through exhaust duct and catch water respectively, catch water's air outlet pipe hole is connecting the vacuum pump. The utility model discloses a vacuum type membrane distillation system is with 3% watery hydrochloric acid concentration to more than 15%, the utility model relates to a novel spent acid concentrated acid retrieval and utilization means can be retrieved the spent acid, and resourcebility utilizes.
Description
Technical field:
The utility model relates to field of waste water treatment, relates to a kind of system adopting vacuum type membrane distillation system to concentrate dilute hydrochloric acid in particular.
Background technology:
Hydrochloric acid soln is a kind of azeotropic liquid, directly adopts evaporation concentration inadvisable.Therefore under adopting membrane distillation technique under specified temp and negative pressure, hydrochloric acid and water vapour are steamed jointly, form the concentrated hydrochloric acid that concentration is higher.3% dilute hydrochloric acid can be concentrated by vacuum type membrane distillation system under certain negative pressure and temperature, a kind of novel spent acid concentrated acid reuse means, can reclaim spent acid, resourcebility utilizes, but in the rising that concentration is along with concentration of hydrochloric acid after 9%, when 70 DEG C, to the stopping property of vacuum type membrane distillation system, and the pressure that bears of material is all a test greatly.
Utility model content:
The purpose of this utility model is to provide a kind of system adopting vacuum type membrane distillation system to concentrate dilute hydrochloric acid, a kind of novel spent acid concentrated acid reuse means, by vacuum type membrane distillation system, 3% dilute hydrochloric acid is concentrated into more than 15%, can reclaims spent acid, resourcebility utilizes.
Technology solution of the present utility model is as follows:
Adopt vacuum type membrane distillation system to concentrate a system for dilute hydrochloric acid, comprise hydrochloric acid stoste case, the lower end of described hydrochloric acid stoste case is connected with fore filter by recycle pump; The liquid outlet of described fore filter is connected to vacuum membrane distillation assembly by pipeline a; The hydrothermal solution outlet pipe of described vacuum membrane distillation assembly is connected with hydrochloric acid stoste case by pipeline b; The heat outlet pipe of described vacuum membrane distillation assembly is connected to evaporative condenser by pipeline c; The upper end of described evaporative condenser is connected to cold water storage cistern by pump; The lower end of described evaporative condenser is connected with two groups of surge tanks side by side, and the upper end often organizing surge tank is connected with steam separator respectively by gas exhaust duct; The mouth of pipe of giving vent to anger of described steam separator is connected to vacuum pump.
As preferably, described pipeline a and pipeline b is respectively equipped with ball valve.
As preferably, the lower end of described hydrochloric acid stoste case is provided with sewage draining exit, and sewage draining exit is provided with ball valve.
Thermometer is equipped with as preferably, described pipeline a and pipeline b respectively.
As preferably, the input duct of described surge tank, fluid pipeline and described gas exhaust duct are separately installed with ball valve.
The beneficial effects of the utility model are:
3% dilute hydrochloric acid is concentrated into more than 15% by vacuum type membrane distillation system by the utility model, and the utility model is a kind of novel spent acid concentrated acid reuse means, can reclaim spent acid, and resourcebility utilizes.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is structural representation of the present utility model.
Embodiment:
Embodiment, see accompanying drawing 1, a kind of system adopting vacuum type membrane distillation system to concentrate dilute hydrochloric acid, comprise hydrochloric acid stoste case 1, be 3% hydrochloric acid soln in hydrochloric acid stoste case, and hydrochloric acid stoste case is constant temp. heating case, temperature in hydrochloric acid stoste case maintains the temperature of 70 DEG C all the time in system cloud gray model, the lower end of described hydrochloric acid stoste case is connected with fore filter 3 by recycle pump 2, and the pipeline between recycle pump and hydrochloric acid stoste case, pipeline between recycle pump and fore filter is separately installed with ball valve 4, ball valve 4 is for the regulating and control of fluid, the lower end of described hydrochloric acid stoste case is provided with sewage draining exit, sewage draining exit is also provided with ball valve, for the impurity in venting hydrochloric acid soln, fore filter is used for the contaminant filter in hydrochloric acid soln to fall, and the liquid outlet of described fore filter is connected to vacuum membrane distillation assembly 6 by pipeline a5, the hydrothermal solution outlet pipe of described vacuum membrane distillation assembly is connected with hydrochloric acid stoste case by pipeline b7, pipeline a and pipeline b is respectively equipped with ball valve 4, described pipeline a and pipeline b being equipped with thermometer 8 respectively, being convenient to the temperature monitoring hydrochloric acid soln in pipeline a or pipeline b in real time, like this by the effect of recycle pump, hydrochloric acid stoste iterative cycles in vacuum membrane distillation assembly 6 being concentrated carrying out hydrochloric acid soln.
The heat outlet pipe of described vacuum membrane distillation assembly is connected to evaporative condenser 10 by pipeline c9, and the hydrochloric acid vapour that vacuum membrane distillation assembly produces and water vapour need by evaporative condenser condensation process; The upper end of described evaporative condenser is connected to cold water storage cistern 12 by pump 11, cold water in cold water storage cistern 12 can be made to moisturizing in evaporative condenser, be convenient to evaporative condenser and normally work by the effect of pump 11; The lower end of described evaporative condenser is connected with two groups of surge tanks 13 side by side, the upper end often organizing surge tank is connected with steam separator 14 respectively by gas exhaust duct, evaporative condenser cooling power is 120L/H, per hour 120L water is cooled to 25 ° from 35 °, the water of evaporative condenser output enters surge tank, two groups of surge tank alternations, hot gas remaining in surge tank is separated through steam separator; The mouth of pipe of giving vent to anger of described steam separator is connected to vacuum pump 15, vacuum pump is regulated to make negative pressure of vacuum be-0.085MPa ~-0.09MPa, the gas that steam separator produces by vacuum pump is discharged, the effect of negative pressure of vacuum simultaneously also can make the boiling point lowering of the water in evaporative condenser 10, allows water and hydrochloric acid more easily evaporate.
The input duct of described surge tank, fluid pipeline and described gas exhaust duct are separately installed with ball valve, are convenient to control the liquid inlet volume of surge tank, liquid outlet quantity and free air delivery.
Utility model works principle: prepare 3% hydrochloric acid soln, the dilute hydrochloric acid prepared is added hydrochloric acid stoste case, dilute hydrochloric acid is heated, is heated to 70 DEG C and in system cloud gray model, maintains this temperature, regulate vacuum pump to make negative pressure of vacuum be-0.085MPa ~-0.09MPa.Circulated in vacuum membrane distillation assembly to the hydrochloric acid soln in hydrochloric acid stoste case by recycle pump, to internal circulating load, temperature controls to regulate.Under relatively optimum parameter, carry out the continuous service of system, ensure the concentrated of 3% dilute hydrochloric acid.Every one hour, to stoste, produce water, absorption liquid carries out sampling and detects, and whether Monitoring systems is stable.Until confirm that concentration of hydrochloric acid reaches 15%-20%, by vacuum type membrane distillation system, 3% dilute hydrochloric acid is concentrated into more than 15% like this.
Above-described embodiment is the specific descriptions of carrying out the utility model; just the utility model is further described; can not be interpreted as the restriction to the utility model protection domain, those skilled in the art makes some nonessential improvement according to the content of above-mentioned utility model and adjustment all falls within protection domain of the present utility model.
Claims (5)
1. adopt vacuum type membrane distillation system to concentrate a system for dilute hydrochloric acid, comprise hydrochloric acid stoste case, it is characterized in that: the lower end of described hydrochloric acid stoste case is connected with fore filter by recycle pump; The liquid outlet of described fore filter is connected to vacuum membrane distillation assembly by pipeline a; The hydrothermal solution outlet pipe of described vacuum membrane distillation assembly is connected with hydrochloric acid stoste case by pipeline b; The heat outlet pipe of described vacuum membrane distillation assembly is connected to evaporative condenser by pipeline c; The upper end of described evaporative condenser is connected to cold water storage cistern by pump; The lower end of described evaporative condenser is connected with two groups of surge tanks side by side, and the upper end often organizing surge tank is connected with steam separator respectively by gas exhaust duct; The mouth of pipe of giving vent to anger of described steam separator is connected to vacuum pump.
2. a kind of system adopting vacuum type membrane distillation system to concentrate dilute hydrochloric acid according to claim 1, is characterized in that: described pipeline a and pipeline b is respectively equipped with ball valve.
3. a kind of system adopting vacuum type membrane distillation system to concentrate dilute hydrochloric acid according to claim 1, is characterized in that: the lower end of described hydrochloric acid stoste case is provided with sewage draining exit, and sewage draining exit is provided with ball valve.
4. a kind of system adopting vacuum type membrane distillation system to concentrate dilute hydrochloric acid according to claim 1, is characterized in that: described pipeline a and pipeline b is equipped with thermometer respectively.
5. a kind of system adopting vacuum type membrane distillation system to concentrate dilute hydrochloric acid according to claim 1, is characterized in that: the input duct of described surge tank, fluid pipeline and described gas exhaust duct are separately installed with ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807207.XU CN205087954U (en) | 2015-10-19 | 2015-10-19 | System for adopt concentrated watery hydrochloric acid of vacuum type membrane distillation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807207.XU CN205087954U (en) | 2015-10-19 | 2015-10-19 | System for adopt concentrated watery hydrochloric acid of vacuum type membrane distillation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205087954U true CN205087954U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520807207.XU Withdrawn - After Issue CN205087954U (en) | 2015-10-19 | 2015-10-19 | System for adopt concentrated watery hydrochloric acid of vacuum type membrane distillation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205087954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174219A (en) * | 2015-10-19 | 2015-12-23 | 湖州森诺膜技术工程有限公司 | System for concentrating dilute hydrochloric acid by adopting vacuum type membrane distillation system |
-
2015
- 2015-10-19 CN CN201520807207.XU patent/CN205087954U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174219A (en) * | 2015-10-19 | 2015-12-23 | 湖州森诺膜技术工程有限公司 | System for concentrating dilute hydrochloric acid by adopting vacuum type membrane distillation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 313000 Huzhou City, Huzhou Province Economic and Technological Development Zone, Hung Fung Road, No. 1366, a layer of the first floor of the 6 Patentee after: Huzhou Sano Environmental Technology Co., Ltd. Address before: 313012 Shuanglin town in Zhejiang province Huzhou city Nanxun District Zhao Dou Cun fish boat horn Patentee before: HUZHOU SENNUO MEMBRANE TECHNOLOGY ENGINEERING CO., LTD. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160316 Effective date of abandoning: 20170704 |
|
| AV01 | Patent right actively abandoned |