CN103721476B - Acid-containing wastewater recovery device and method for hydrochloric acid regeneration unit - Google Patents
Acid-containing wastewater recovery device and method for hydrochloric acid regeneration unit Download PDFInfo
- Publication number
- CN103721476B CN103721476B CN201310720276.2A CN201310720276A CN103721476B CN 103721476 B CN103721476 B CN 103721476B CN 201310720276 A CN201310720276 A CN 201310720276A CN 103721476 B CN103721476 B CN 103721476B
- Authority
- CN
- China
- Prior art keywords
- acid
- pit
- filter
- regeneration unit
- containing wastewater
- 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
- 239000002253 acid Substances 0.000 title claims abstract description 67
- 239000002351 wastewater Substances 0.000 title claims abstract description 38
- 238000007131 hydrochloric acid regeneration reaction Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000011084 recovery Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 12
- 230000008929 regeneration Effects 0.000 claims abstract description 12
- 238000011069 regeneration method Methods 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000004064 recycling Methods 0.000 claims abstract description 5
- 238000011010 flushing procedure Methods 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000010419 fine particle Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 24
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 101150054854 POU1F1 gene Proteins 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000004063 acid-resistant material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
本发明涉及一种盐酸再生机组含酸废水回收装置及方法，包括地坑、地坑泵、水沟，地坑泵分别与地坑、再生机组连接，水沟与地坑相通，还包括箅子、耐酸过滤器、管件、过滤网，靠近地坑的水沟上均布有3道或3道以上箅子，相邻的箅子间距为0.8‑1.5m，紧邻地坑的箅子上设有过滤网，地坑泵出口通过管件连接有耐酸过滤器，耐酸过滤器的过滤精度为50‑80μm。本发明的优点是：实现了含酸水的回收利用，减少了盐酸的排放，减少氯离子对环境的污染，降低了盐酸的新酸的消耗；由于废水没有排到中和站，使得中和站处于停用状态减少了环境的污染。
The invention relates to a recovery device and method for acid-containing waste water of a hydrochloric acid regeneration unit, comprising a pit, a pit pump, and a water ditch, the pit pump is respectively connected to the pit and the regeneration unit, the water ditch communicates with the pit, and a grate is also included , acid-resistant filter, pipe fittings, and filter screen. There are 3 or more grates evenly distributed on the ditch near the pit, and the distance between adjacent grates is 0.8‑1.5m. The filter screen and the outlet of the sump pump are connected to an acid-resistant filter through pipe fittings, and the filtration accuracy of the acid-resistant filter is 50‑80 μm. The advantages of the present invention are: the recycling of acid-containing water is realized, the discharge of hydrochloric acid is reduced, the pollution of chloride ions to the environment is reduced, and the consumption of new acid of hydrochloric acid is reduced; since the waste water is not discharged to the neutralization station, neutralization The station is out of service to reduce environmental pollution.
Description
技术领域technical field
本发明涉及一种盐酸再生机组含酸废水回收装置及方法。The invention relates to a recovery device and method for acid-containing wastewater of a hydrochloric acid regeneration unit.
背景技术Background technique
再生机组中，再生清洗喷枪和清洗地面及取样掉落的废水，还有清洗过滤器的废酸水，浓缩酸管道放空的含酸水，预浓缩器的防空的浓缩酸，这些废水中含有大量的盐酸，经水沟收集，汇合到地坑内，经地坑泵排到中和站进行处理，处理后的废水含有较多的氯离子造成环境的污染。而且含酸水中含有大量杂质，给清理带来困难，同时这部分的盐酸不能有效的回收利用，造成盐酸消耗的增加，造成能源成本的大大增加。In the regeneration unit, regenerate the cleaning spray gun, clean the ground and take samples of the waste water, as well as the waste acid water for cleaning the filter, the acid-containing water emptied by the concentrated acid pipeline, and the concentrated acid for the air defense of the pre-concentrator. These waste water contain a large amount of The hydrochloric acid is collected by the ditch, merged into the pit, and discharged to the neutralization station by the pit pump for treatment. The treated wastewater contains more chloride ions and causes environmental pollution. Moreover, the acid-containing water contains a large amount of impurities, which brings difficulties to cleaning. At the same time, this part of hydrochloric acid cannot be effectively recycled, resulting in an increase in the consumption of hydrochloric acid and a great increase in energy costs.
发明内容Contents of the invention
为克服现有技术的不足，本发明的目的是提供一种盐酸再生机组含酸废水回收装置及方法，减少盐酸的排放，节约除盐水和盐酸的消耗，减少氯离子对环境的污染。In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a hydrochloric acid regeneration unit acid-containing wastewater recovery device and method, which can reduce the discharge of hydrochloric acid, save the consumption of demineralized water and hydrochloric acid, and reduce the pollution of chloride ions to the environment.
为实现上述目的，本发明通过以下技术方案实现：To achieve the above object, the present invention is achieved through the following technical solutions:
一种盐酸再生机组含酸废水回收装置，包括地坑、地坑泵、水沟，地坑泵分别与地坑、再生机组连接，水沟与地坑相通，还包括箅子、耐酸过滤器、管件、过滤网，靠近地坑的水沟上均布有3道或3道以上箅子，相邻的箅子间距为0.8-1.5m，紧邻地坑的箅子上设有过滤网，地坑泵出口通过管件连接有耐酸过滤器，耐酸过滤器的过滤精度为50-80μm。A recovery device for acid-containing wastewater from a hydrochloric acid regeneration unit, including a pit, a pit pump, and a water ditch, the pit pump is connected to the pit and the regeneration unit, the water ditch communicates with the pit, and it also includes a grate, an acid-resistant filter, Pipe fittings, filter screens, 3 or more grates are evenly distributed on the ditch near the pit, and the distance between adjacent grates is 0.8-1.5m. The outlet of the pump is connected with an acid-resistant filter through a pipe fitting, and the filtration accuracy of the acid-resistant filter is 50-80 μm.
所述的耐酸过滤器的壳体由PPH耐酸塑料制作，滤芯是由PP塑料经膨化烧结而成的耐酸滤芯。The shell of the acid-resistant filter is made of PPH acid-resistant plastic, and the filter element is an acid-resistant filter element made of PP plastic through puffing and sintering.
所述的过滤网为30-50目。The filter screen is 30-50 mesh.
所述的箅子上均布φ4-φ8的过滤孔。Filter holes of φ4-φ8 are evenly distributed on the grate.
一种盐酸再生机组含酸废水回收方法，包括以下步骤：A method for recovering acid-containing wastewater from a hydrochloric acid regeneration unit, comprising the following steps:
1）首先把再生机组与中和站之间的废水管道关闭，接着把地坑泵的出口管道与耐酸过滤器入口用PPH管道接好，最后把耐酸过滤器出口用PPH塑料管道连接到冲洗水罐上；1) First close the waste water pipe between the regeneration unit and the neutralization station, then connect the outlet pipe of the sump pump to the inlet of the acid-resistant filter with a PPH pipe, and finally connect the outlet of the acid-resistant filter to the flushing water with a PPH plastic pipe on the tank;
2）水沟将收集的含酸废水经箅子初步过滤后送到地坑，当地坑的含酸废水的高度大于1.5米时，启动地坑泵，含酸废水通过耐酸过滤器把废水中细小的铁粉和杂物过滤掉以后，进入到冲洗水罐回收利用；当地坑的含酸废水的高度低于1.0米时地坑泵停止运转，冲洗水罐的水用作再生机组吸收塔的吸收水，形成再生酸；耐酸过滤器经清洗后回收其中的铁粉。2) The ditch will send the collected acid-containing wastewater to the pit after preliminary filtration by grates. When the height of the acid-containing wastewater in the pit is greater than 1.5 meters, start the pit pump, and the acid-containing wastewater will pass through the acid-resistant filter to remove fine particles from the wastewater. After the iron powder and sundries are filtered out, it enters the flushing water tank for recycling; when the height of the acid-containing wastewater in the ground pit is lower than 1.0 meters, the pit pump stops running, and the water in the flushing water tank is used for the absorption of the absorption tower of the regeneration unit water to form regenerated acid; the acid-resistant filter is cleaned and the iron powder in it is recovered.
与现有技术相比，本发明的有益效果是：Compared with prior art, the beneficial effect of the present invention is:
实现了含酸水的回收利用，减少了盐酸的排放，减少氯离子对环境的污染，大大降低了盐酸的新酸的消耗；由于废水没有排到中和站，使得中和站处于停用状态减少了环境的污染；由于废水的有效的利用，减少了除盐水的补给量，减少了生产成本。Realize the recycling of acidic water, reduce the discharge of hydrochloric acid, reduce the pollution of chloride ions to the environment, and greatly reduce the consumption of new acid of hydrochloric acid; because the waste water is not discharged to the neutralization station, the neutralization station is out of service Environmental pollution is reduced; due to the effective use of waste water, the replenishment of desalinated water is reduced, and the production cost is reduced.
附图说明Description of drawings
图1是本发明的结构示意图。Fig. 1 is a schematic structural view of the present invention.
图中：1-地坑 2-箅子 3-水沟 4-地坑泵 5-耐酸过滤器 6-冲洗水罐。In the figure: 1- pit 2- grate 3- ditch 4- pit pump 5- acid filter 6- flushing water tank.
具体实施方式detailed description
下面结合说明书附图对本发明进行详细地描述，但是应该指出本发明的实施不限于以下的实施方式。The present invention will be described in detail below in conjunction with the accompanying drawings, but it should be pointed out that the implementation of the present invention is not limited to the following embodiments.
见图1，一种盐酸再生机组含酸废水回收装置，包括地坑1、地坑泵4、水沟3，地坑泵4分别与地坑1、再生机组连接，水沟3与地坑1相通，还包括箅子2、耐酸过滤器5、管件、过滤网，靠近地坑1的水沟3上均布有3道或3道以上箅子2，箅子2上均布φ4-φ8的过滤孔，相邻的箅子2间距为0.8-1.5m，紧邻地坑1的箅子2上设有过滤网，过滤网为30-50目。地坑泵4出口通过管件连接有耐酸过滤器5，耐酸过滤器5的过滤精度为50-80μm，其壳体由PPH耐酸塑料制作，滤芯是由PP塑料经膨化烧结而成的耐酸滤芯。As shown in Figure 1, a device for recovering acid-containing wastewater from a hydrochloric acid regeneration unit includes a pit 1, a pit pump 4, and a water ditch 3. The pit pump 4 is connected to the pit 1 and the regeneration unit, and the water ditch 3 is connected to the pit 1. Connected, also includes grate 2, acid-resistant filter 5, pipe fittings, filter screen, 3 or more grates 2 are evenly distributed on the ditch 3 near the pit 1, and φ4-φ8 are evenly distributed on the grate 2 Filter hole, adjacent grate 2 spacing is 0.8-1.5m, is provided with filter screen on the grate 2 adjacent to ground pit 1, and filter screen is 30-50 order. The outlet of the pit pump 4 is connected with an acid-resistant filter 5 through a pipe fitting. The filtration accuracy of the acid-resistant filter 5 is 50-80 μm.
盐酸再生机组含酸废水回收方法，包括以下步骤：A method for recovering acidic wastewater from a hydrochloric acid regeneration unit, comprising the following steps:
1）首先把再生机组与中和站之间的废水管道关闭，接着把地坑泵4的出口管道与耐酸过滤器5入口用PPH管道接好，最后把耐酸过滤器5出口用PPH塑料管道连接到冲洗水罐6上；1) First close the waste water pipe between the regeneration unit and the neutralization station, then connect the outlet pipe of the sump pump 4 and the inlet of the acid-resistant filter 5 with a PPH pipe, and finally connect the outlet of the acid-resistant filter 5 with a PPH plastic pipe to the flushing water tank 6;
2）水沟3将收集的含酸废水经箅子2初步过滤后送到地坑1，当地坑1的含酸废水的高度大于1.5米时，启动地坑泵4，含酸废水通过耐酸过滤器5把废水中细小的铁粉和杂物过滤掉以后，进入到冲洗水罐6回收利用；当地坑1的含酸废水的高度低于1.0米时地坑泵4停止运转，冲洗水罐6的水用作再生机组吸收塔的吸收水，形成再生酸；这样废水中的盐酸就被有效的回收利用，无需再排到中和站进行酸碱中和处理。过滤器需要10天左右用压缩空气从上到下反清洗一次，清洗出来的铁粉回收即可。2) The ditch 3 sends the collected acid-containing wastewater to the pit 1 after preliminary filtration by the grate 2. When the height of the acid-containing wastewater in the pit 1 is greater than 1.5 meters, the pit pump 4 is started, and the acid-containing wastewater passes through the acid-resistant filter After the fine iron powder and sundries in the waste water are filtered out by the device 5, it enters the flushing water tank 6 for recycling; when the height of the acid-containing waste water in the local pit 1 is lower than 1.0 meters, the pit pump 4 stops running, and the flushing water tank 6 The water is used as the absorption water of the absorption tower of the regeneration unit to form regeneration acid; in this way, the hydrochloric acid in the waste water can be effectively recycled, and there is no need to discharge it to the neutralization station for acid-base neutralization treatment. The filter needs to be backwashed with compressed air from top to bottom in about 10 days, and the iron powder washed out can be recycled.
根据实际需要，耐酸过滤器5选用过滤精度为50微米，其壳体采用的是PPH塑料的耐酸材料，滤芯选用的是材质是PP的塑料经膨化烧结形成的耐酸滤芯。箅子2与箅子2的间距为1米，其上均布φ6的过滤孔，与地坑1紧邻的箅子2上选用30目的过滤网。According to actual needs, the acid-resistant filter 5 is selected to have a filtration precision of 50 microns, its housing adopts an acid-resistant material of PPH plastic, and the filter element is selected to be an acid-resistant filter element formed by expanding and sintering plastics made of PP. The spacing between grate 2 and grate 2 is 1 meter, and the filter holes of φ 6 are evenly distributed on it, and 30 order filter screens are selected for use on the grate 2 next to ground pit 1.
本发明实现了含酸水的回收利用，减少了盐酸的排放，减少氯离子对环境的污染，大大降低了盐酸的新酸的消耗；由于废水没有排到中和站，使得中和站处于停用状态减少了环境的污染；由于废水的有效的利用，减少了除盐水的补给量，减少了生产成本。The invention realizes the recovery and utilization of acid-containing water, reduces the discharge of hydrochloric acid, reduces the pollution of chloride ions to the environment, and greatly reduces the consumption of fresh acid of hydrochloric acid; since the waste water is not discharged to the neutralization station, the neutralization station is in a shutdown state. The environmental pollution is reduced due to the state of use; due to the effective use of waste water, the replenishment of desalinated water is reduced, and the production cost is reduced.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720276.2A CN103721476B (en) | 2013-12-20 | 2013-12-20 | Acid-containing wastewater recovery device and method for hydrochloric acid regeneration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310720276.2A CN103721476B (en) | 2013-12-20 | 2013-12-20 | Acid-containing wastewater recovery device and method for hydrochloric acid regeneration unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103721476A CN103721476A (en) | 2014-04-16 |
| CN103721476B true CN103721476B (en) | 2017-09-29 |
Family
ID=50445922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310720276.2A Active CN103721476B (en) | 2013-12-20 | 2013-12-20 | Acid-containing wastewater recovery device and method for hydrochloric acid regeneration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103721476B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104478062B (en) * | 2014-11-26 | 2016-04-13 | 天津太钢天管不锈钢有限公司 | A kind of spent acid treatment system and cleaning system thereof |
| CN104790707B (en) * | 2015-04-19 | 2017-01-25 | 湖南福欣锗业科技有限公司 | Alkali liquor storage pool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3999564A (en) * | 1976-01-09 | 1976-12-28 | Pesek Engineering & Mfg. Co. | Continuous etching and etched material recovery system |
| JPS61174911A (en) * | 1985-01-30 | 1986-08-06 | Chiyoda Sangyo Kk | Process for treating waste water |
| CN101109088A (en) * | 2007-08-14 | 2008-01-23 | 邯郸钢铁股份有限公司 | Technique for cleaning acid dirty of acid reactivating machine group inner loop type pipeline |
| CN202238811U (en) * | 2011-08-31 | 2012-05-30 | 重庆诗仙太白酒业（集团）有限公司 | Wastewater recycling device of bottle cleaning machine |
| CN102674393A (en) * | 2011-03-18 | 2012-09-19 | 宝山钢铁股份有限公司 | Method for recycling waste ammonia water |
| CN203694756U (en) * | 2013-12-20 | 2014-07-09 | 鞍钢股份有限公司 | Hydrochloric acid regeneration unit contains acid waste water recovery unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007716A (en) * | 2012-12-22 | 2013-04-03 | 山东博丰利众化工有限公司 | Recycling device for dilute acid in pyrite acid making purification |
-
2013
- 2013-12-20 CN CN201310720276.2A patent/CN103721476B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3999564A (en) * | 1976-01-09 | 1976-12-28 | Pesek Engineering & Mfg. Co. | Continuous etching and etched material recovery system |
| JPS61174911A (en) * | 1985-01-30 | 1986-08-06 | Chiyoda Sangyo Kk | Process for treating waste water |
| CN101109088A (en) * | 2007-08-14 | 2008-01-23 | 邯郸钢铁股份有限公司 | Technique for cleaning acid dirty of acid reactivating machine group inner loop type pipeline |
| CN102674393A (en) * | 2011-03-18 | 2012-09-19 | 宝山钢铁股份有限公司 | Method for recycling waste ammonia water |
| CN202238811U (en) * | 2011-08-31 | 2012-05-30 | 重庆诗仙太白酒业（集团）有限公司 | Wastewater recycling device of bottle cleaning machine |
| CN203694756U (en) * | 2013-12-20 | 2014-07-09 | 鞍钢股份有限公司 | Hydrochloric acid regeneration unit contains acid waste water recovery unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103721476A (en) | 2014-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105056718B (en) | A high-efficiency water-saving wet desulfurization absorption tower and its application | |
| CN205570010U (en) | Dust device is held back to high efficiency for air purification | |
| CN103086447B (en) | Countryside rainwater cleaning treatment method and device | |
| CN103721476B (en) | Acid-containing wastewater recovery device and method for hydrochloric acid regeneration unit | |
| CN211339167U (en) | Purification device for treating industrial wastewater containing floaters | |
| CN203694756U (en) | Hydrochloric acid regeneration unit contains acid waste water recovery unit | |
| CN202122876U (en) | Rainwater recycling system | |
| CN204098207U (en) | A kind of road sewage-treatment plant | |
| CN205035195U (en) | Industrial waste water retrieves system of recycling | |
| CN204400637U (en) | A kind of quartz sand hard coal gac three layers of process water strainer | |
| CN204826148U (en) | Prevent stifled type municipal sewage system rainwater recovery system | |
| CN204343376U (en) | A kind of rainwater-collecting recycling equipment | |
| CN203634956U (en) | Device for extracting copper from wastewater of scrubbing machine | |
| CN211111119U (en) | Automatic water quality purifying device | |
| CN202690108U (en) | Coal mine dust-removing equipment | |
| CN209576276U (en) | A recovery and treatment system for collecting flushing water of desulfurization tower mist eliminator | |
| CN208362030U (en) | A kind of domestic sewage purification device | |
| CN203959939U (en) | A kind of Portable sewage treatment device | |
| CN204233856U (en) | Integral rain processor | |
| CN206204038U (en) | A kind of multipurpose sewage disposal system with high-efficiency adsorbent | |
| CN206244457U (en) | A kind of novel ozone magnetic active carbon filter tank | |
| CN204714648U (en) | A kind of dregs of beans leaches workshop washing water filtration unit | |
| CN206289073U (en) | Printing wastewater filter | |
| CN203154915U (en) | Novel sewage filtering device | |
| CN104528980B (en) | The treatment process of town domestic sewage and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |