To be able to guarantee the quality of goods, Guangzhou Lvyuan Water Purification Equipment Co., Ltd.has created a whole set of QC system. Our filter housing will be analyzed and assessed to determine if they meet required performance specifications before they are introduced to people. During the business, the maintenance of an excellent management process is vital for all of us.

As an influential enterprise, Lvyuan plays an important role in the water filter cartridge field. pp filter cartridge produced by Lvyuanis very popular in the market. In the manufacture of Lvyuan filter housing, a range of techniques have been used, from CAD design, 3D imaging, panel&track manufacturing, to final assembly. It has a large effective filter area. Efficient mode of production and service level are achieved in our team. Being thermally welded, its caps are not prone to crack or fall off.

Through close cooperation at all times, our companyhas laid the foundation for successful cross-cultural cooperation. Call!

The advantage of multi bag filter housing

 

The quick-opening multi-bag filter is a new type of filtration system. On the basis of the multi-bag filter, a quick-opening mechanism and a balance mechanism are added. The operation is simple and fast. The spring-assisted balance mechanism makes the top cover open quickly. It is based on Developed based on speed and efficiency, filter elements can be replaced quickly and reliably, effectively reducing the impact of production interruption caused by element replacement, and significantly improving production efficiency.

 

2. Product Features and Advantages

 

Quick-opening multi-bag filter: Quick-opening design makes it easier to replace filter bags and saves time. The quick-opening clamp filter is different from the traditional bolt-on bag filter. The opening and closing of the upper cover can be realized by rotating and quickly closing the transmission shaft, instead of unscrewing or tightening a dozen or even dozens of bolts in turn to realize the opening and closing of the cover like the traditional bolt-fixed cover. Very convenient and fast.

 

Compared with other forms of multi-bag filters, quick-opening multi-bag filters have the following advantages in addition to common structural features:

 

1. Using the fast clamp type lock switch, the operation is simple, easy to use and safe, it will reduce the downtime to a minimum, thereby reducing the operating cost. (It does not take 30 seconds to switch once)

 

2. The unique three-claw compression cover can ensure good sealing between the filter and the filter bag, and the chance of side leakage of the filter bag is extremely small. The included patented filter bag gland opener makes operation very easy.

 

3. The spring gravity balancer replaces the conventional manual hanging arm, which makes the operation of the top cover as light as nothing, and the top cover can be opened or lowered with a slight push or pull by hand.

 

4. The liquid flow direction design of side entry and side exit can ensure that the liquid is completely discharged, and the tangential position of the inlet and outlet also greatly reduces the operating height.

 

5. The design and volume of the filter are compact to minimize the loss of liquid.

Membrane separation technology is the use of membrane for the selection of various components in the mixture through the performance to the product of the separation, purification and concentration of new separation technology, membrane separation process is a kind of no phase change, lower energy consumption physical separation process, with high efficiency, energy saving, no pollution, easy operation, wide application characteristics and foreign called the 21st century the most promising one of the top ten new and high technology.


threonine is a kind of essential amino acids, mainly used in pharmaceutical, chemical reagents, food fortifier, feed additive, etc. Threonine a mother liquor production process of centrifugal separation, high content of inorganic salt, salt by using ion exchange resin in addition to the original process, from the liquid by activated carbon decoloring, removing part of the protein, crude products. Traditional process needs to consume large amounts of acid and alkali, resin regeneration cycle is short, easy to loss, waste acid alkali emissions pollution of the environment, decoloring link activated carbon is used up big, virtually raised the enterprise production operation cost, environmental protection pressure.


in fujian threonine production process, adopts special 'nanofiltration membrane electrodialysis +' as a centrifugal mother liquor of desalination and decoloring purification process.


threonine centrifugal mother liquor after first 0 at a time. 5% activated carbon and microfiltration process, with a yield of 98% or more hollow microfiltration membrane system; After processing of centrifugal mother liquor adopts special electrodialysis removing most of the inorganic salt, initial conductivity, 100, 000 ~ 130, 000 mu s/cm to conductivity 14 ~ 16 000 000 mu s/cm, removal rate of 88%, threonine loss rate of 10% or less; Electrodialysis desalination liquid decolorization by nanofiltration system purification, nanofiltration membrane system including pretreatment and decoloring purification system two parts. Pre filtration system to remove electrodialysis desalination possible existence of solid particles in liquid, suspended solids and other mechanical impurities. Decolorizing purification system with high separation efficiency, about 700 ~ 800 intercept molecular weight of nanofiltration membrane separation material, driven by the pressure water and threonine through nanofiltration membrane to enter through the liquid side, into the next production working procedure, and intercept protein, most of the pigment and macromolecular organic matter, realize the desalted liquid in the purification, threonine yield ( Including intercept and through the clear liquid) ≥98%。


use a variety of membrane technology to deal with a centrifugal mother liquor threonine, simplify the production technology, improve product quality, in order to realize the economic benefit and environment benefit unifies.


the hydroxy phenyl glycine is a kind of pharmaceutical intermediates, the production process can produce high salt content. Processing technology of mother liquor was after ion exchange resin in addition to salt, again by active carbon decoloring, finally with the filtrate into normal refining process. Mother liquid to use after a certain number of times, impurity, affect the product quality, then you need to mother liquor. The disadvantages of previous process lies in the acid and alkali consumption of large, resin wastage is bigger, lead to the production cost is higher, at the same time because of the emissions of acid and alkali, make the heavier pollution to the environment.


by nearly a month of pilot, set up 60 m3 / d of hydroxy phenyl glycine centrifugal mother liquor special electrodialysis desalination system. Running the results are shown in table 1


in addition, the membrane technology is applied to the process for production of glutamine, arginine, etc, such as the membrane electrodialysis desalination technology Ghana membrane filter decoloring after purification, arginine mother liquor of pervious to light can reach 80% ~ 92. 7%; In glutamine slurry process, membrane electrodialysis desalination rate ( By conductivity meter) Up to 90%.

When a large flow filter element is used for filtering, the filtering process mainly comes from the driving force, which is the pressure on the fluid formed by the pressure difference, and the fluid is filtered by applying pressure through the pressure difference. A large flow filter element is used to filter the liquid, which can filter out the small particles in the liquid through the membrane, and these small particles are intercepted by the filter membrane and collected for centralized treatment. The retention and filtration of the impurity particles in the fluid is mainly determined by the nature of the filter membrane. Its filtration is mainly based on whether there is a connection between the filter membrane and the performance of the particles, whether there is an interaction performance, so as to filter out the impurities. The main principle of filtration and sieving is to use the filter membrane with a larger pore size than the size of the impurity particles, and then block the impurity particles from the outside so that they cannot pass through the filter membrane, thereby separating and filtering them out. If the size of the impurity particles is smaller than the pore size of the filter membrane, then they can pass through the filter membrane to enter the membrane pores. These fine particulate impurities will adhere to the pore wall in the membrane pores and be filtered out. This kind of filtration The method is realized inside the membrane body, so this separation filtration is also different from the basic separation filtration, which can be called deep filtration. Large-flow filter element microfiltration can be divided into two types, which are mainly distinguished according to the flow direction of the main liquid and permeate on both sides of the membrane. The two processes are co-flow and cross-flow respectively. When conducting experiments in the laboratory, filter paper and funnels are generally used to separate the precipitates in the liquid. The filtered liquid is filtered through the filter paper by means of static pressure or through the vacuum on the side of the liquid. When the filtered liquid and the permeate flow in parallel, the process is called co-current microfiltration. In this process, the impurity particles filtered and trapped by the filter membrane will gradually accumulate as the filtration progresses. The filter cake layer is formed. Depending on the filter membrane used, the trapped impurity particles will also accumulate in different places. If a surface filter membrane is used, the impurity particles will be trapped and accumulated on the surface of the membrane; if a deep filter membrane is used, Then the impurity particles will be trapped and accumulated in the membrane. No matter what kind of filtration, it will increase the filtration resistance. After all, the impurities are intercepted and accumulated in the filter element. This will cause the filtration efficiency to decrease, the filtration flux will be affected, and the pressure drop will change. Therefore, the co-flow microfiltration needs to remove the impurity particles trapped on the membrane from time to time, and the filter element can also be replaced regularly to avoid clogging the filter element and becoming unusable. When the filtered liquid flows tangentially to the membrane surface, the impurity particles in the liquid are intercepted by the membrane, and the liquid passes vertically through the membrane surface and flows out through the membrane. This process is another method of microfiltration, called Cross-flow microfiltration or tangential microfiltration. Similarly, the trapped impurity particles will also form a filter cake layer on the surface of the membrane. Because the main fluid is tangential to the membrane performance under the influence of pressure, it will cause a higher shear force, which will The filter cake layer accumulated on the membrane surface is effectively removed, making the filter cake layer accumulated by the impurity particles relatively thin. This cross-flow microfiltration method can effectively control the filter cake layer accumulated by the impurities and prevent it from clogging the filter element. The service life of the product is prolonged, and its use effect will be gradually strengthened.

Why is it called security filter in water filtration? Security filter mainly plays the role of protecting subsequent equipment, that is to say, no matter what type of filter you use in the front, as long as it plays a role in protecting subsequent equipment, it can be called security filtration. device. The security filter uses tubular filter elements such as PP melt-blown, wire burning, folding, titanium filter elements, and activated carbon filter elements as filter elements, and uses pressure to separate liquid and solid. The method of using a filter element for liquid-solid separation belongs to microporous filtration technology. Different filter elements are selected according to different filter media and design processes to meet the requirements of effluent quality. The body can also be equipped with a quick-loading type, which is convenient and quick to replace the filter element and clean. It is mainly suitable for materials with solid particles of 0.5 to 10 m or particles larger than 0.5 m but the particles are non-rigid, easy to deform, between particles or between particles and filter media. Difficult-to-filter materials with high viscosity. The liquid to be filtered is pressed into the filter inlet, and the filter element penetrates the filter layer from the outside to the inside to be filtered into a clear liquid, and then discharged through the outlet. The impurities are trapped in the deep layer and surface of the filter element, so as to achieve the purpose of filtering the liquid, but the filter element should not be used for too long, because the filter element is easy to breed bacteria. The equipment is widely used in medical, chemical, food, beverage, water treatment, brewing, petroleum, printing and dyeing, environmental protection and other industries. It is an ideal equipment for various liquid filtration, clarification and purification treatment. When the pressure drop between the upstream and downstream of the filter is greater than 0.3MPa or the flow rate drops significantly, the filter element should be replaced.
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