CN205528160U - Automobile -used urea machine water processing system - Google Patents

Abstract

The utility model discloses an automobile -used urea machine water processing system relates to vehicle engineering water processing technique field. This system is including the preprocessing device, reverse osmosis treatment device and the electrodeionization processing apparatus that are connected with municipal water in proper order, preprocessing device includes filtering component for filter silt, granule and the microorganism of former aquatic, the cooling water of cooling vehicle and the washing water that washs the vehicle can be regarded as to water after the preliminary treatment, the reverse osmosis treatment device includes reverse osmosis membrane modulus spare for electrolyte ion in the dehydration, the drinking water can be regarded as to water behind the reverse osmosis treatment, electrodeionization processing apparatus includes the electrodeionization module for organic matter, inorganic salts and heavy metallic impurity in the dehydration, the automobile -used urea solution's of preparation ultrapure water can be regarded as to water after electrodeionization handles. The utility model discloses carrying out tertiary treatment with municipal water and utilizing, can improve the water use rate, resources are saved practices thrift manufacturing cost, increases the service function of product for the product function is the pluralism more.

Description

A kind of vehicle urea machine water treatment system

technical field

The utility model relates to the technical field of vehicle engineering water treatment, in particular to a vehicle urea machine water treatment system.

Background technique

Vehicle urea solution is a liquid used in Selective Catalytic Reduction Technology (SCR) to reduce nitrogen oxide pollution in diesel vehicle exhaust. It belongs to nitrogen oxide selective catalytic reduction agent, which can be synthesized by a certain proportion of ultra-purity vehicle urea and pure water. After diesel vehicles use this urea solution for vehicles, the nitrogen oxides in the exhaust emissions can be decomposed into non-polluting nitrogen and water vapor, which can directly reduce smog pollution.

At present, the water treatment system of the vehicle urea machine has a single function. It only uses the treated ultrapure water to prepare urea solution. During the water treatment process, the raw water produced is directly discharged, and it is not collected for reasonable use, resulting in waste of water resources. , The water utilization rate is low, which is not conducive to saving production costs. At the same time, because the drinking water outlet is not designed, it is not conducive to the demand for multifunctional products.

Based on the above, there is an urgent need for a vehicle urea machine water treatment system to solve the problems that the existing vehicle urea machine water treatment system has single function, low water utilization rate, high production cost, and cannot meet the multi-functional requirements of the product.

Utility model content

The purpose of this utility model is to propose a vehicle urea machine water treatment system to solve the problems that the existing vehicle urea machine water treatment system has single function, low water utilization rate, high production cost, and cannot meet the multifunctional requirements of the product.

For this purpose, the utility model adopts the following technical solutions:

A water treatment system for a vehicle urea machine, comprising a pretreatment device, a reverse osmosis treatment device and an electrodeionization treatment device sequentially connected to municipal water;

The pretreatment device includes a filter assembly for filtering sediment, particles and microorganisms in the raw water; the pretreated water can be used as cooling water for cooling vehicles and cleaning water for cleaning vehicles;

The reverse osmosis treatment device includes a reverse osmosis membrane module for removing electrolyte ions in water; the water after reverse osmosis treatment can be used as drinking water;

The electrodeionization treatment device includes an electrodeionization module for removing organic matter, inorganic salts and heavy metal impurities in water; the water after electrodeionization treatment can be used as ultrapure water for preparing urea solution for vehicles.

As a preferred solution of a vehicle urea machine water treatment system, the filter assembly includes a PP cotton filter and an activated carbon filter.

As a preferred solution of the vehicle urea machine water treatment system, the reverse osmosis membrane module includes double reverse osmosis membrane modules and a single reverse osmosis membrane module connected in sequence.

As a preferred solution of the vehicle urea machine water treatment system, the electrodeionization treatment device further includes an ultraviolet sterilizer, and the ultraviolet sterilizer is respectively connected to the single reverse osmosis membrane module and the electrodeionization module.

As a preferred solution of the vehicle urea machine water treatment system, the double reverse osmosis membrane module is connected to the activated carbon filter through a pipeline, and the pipeline is provided with a pretreatment pure water tank and a first-stage high-pressure pump.

As a preferred solution of the vehicle urea machine water treatment system, the double reverse osmosis membrane module is connected to the single reverse osmosis membrane module through a pipeline, and the pipeline is provided with a primary reverse osmosis pure water tank and a secondary high-pressure pump.

As a preferred solution of the vehicle urea machine water treatment system, a secondary reverse osmosis pure water tank is arranged between the single reverse osmosis membrane module and the ultraviolet sterilizer.

As a preferred solution of a vehicle urea machine water treatment system, the electrodeionization module is connected to an electrodeionization pure water tank.

As a preferred solution of the vehicle urea machine water treatment system, the inlet and outlet of the first-stage high-pressure pump and the second-stage high-pressure pump are both provided with an underpressure protection device and an overpressure protection device.

As a preferred solution of the vehicle urea machine water treatment system, it also includes a monitoring and control system, which is connected to each closed-loop control point set in the pretreatment device, reverse osmosis treatment device and electrodeionization treatment device through communication lines, and is used to monitor each real-time sensing data of a closed-loop control point, and send control commands to the closed-loop control point.

The beneficial effects of the utility model are:

The utility model proposes a vehicle urea machine water treatment system. The municipal water is sequentially processed through a pretreatment device, a reverse osmosis treatment device and an electrodeionization treatment device to filter out sediment, particles and microorganisms in the raw water to obtain cooling. Cooling water for vehicles and washing water for cleaning vehicles; remove electrolyte ions in water to obtain drinking water; remove organic matter, inorganic salts and heavy metal impurities in water to obtain ultrapure water for preparing urea solution for vehicles. The utility model carries out three-stage treatment and utilization of municipal water, which can improve the water utilization rate, save resources, save production costs, increase the use function of the product, and make the product function more diversified.

Description of drawings

Fig. 1 is the structural block diagram of the vehicle urea machine water treatment system that the specific embodiment of the present invention provides;

Fig. 2 is a flow chart of the vehicle urea machine water treatment system provided by the specific embodiment of the utility model.

In the picture:

1. Pretreatment device; 2. Reverse osmosis treatment device; 3. Electrodeionization treatment device; 4. Monitoring and control system; 5. Pretreatment pure water tank; 6. First-level high-pressure pump; 7. First-level reverse osmosis pure water 8. Secondary high-pressure pump; 9. Secondary reverse osmosis pure water tank; 10. Electrodeionization pure water tank; 11. Filter assembly; 21. Reverse osmosis membrane module; 31. Electrodeionization module; 32. Ultraviolet light Sterilizer;

111. PP cotton filter; 112. Activated carbon filter; 211. Double reverse osmosis membrane module; 212. Single reverse osmosis membrane module.

detailed description

In order to make the technical problem solved by the utility model, the technical scheme adopted and the technical effect achieved clearer, the technical scheme of the embodiment of the utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiment is only Some embodiments of the utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present utility model.

As shown in Figure 1 and Figure 2, this embodiment proposes a preferred vehicle urea machine water treatment system, which includes a pretreatment device 1, a reverse osmosis treatment device 2, and an electrodeionization treatment device 3 that are sequentially connected to municipal water and monitoring control system4.

The pretreatment device 1 includes a filter assembly 11 for filtering sediment, particles and microorganisms in the raw water. The pretreated water can be used as cooling water for cooling vehicles and washing water for washing vehicles. The reverse osmosis treatment device 2 includes a reverse osmosis membrane module 21 for removing electrolyte ions in water. Water treated by reverse osmosis can be used as drinking water. The electrodeionization treatment device 3 includes an electrodeionization module 31 for removing organic substances, inorganic salts and heavy metal impurities in water. The water after electrodeionization treatment can be used as ultrapure water for preparing urea solution for vehicles. The monitoring and control system 4 connects the closed-loop control points set in the pretreatment device 1, the reverse osmosis treatment device 2 and the electrodeionization treatment device 3 through communication lines, and is used to monitor the real-time sensing data of each closed-loop control point and send The closed-loop control point sends control commands.

In this embodiment, the filter assembly 11 includes a PP cotton filter 111 and an activated carbon filter 112 connected together. The filter core of PP cotton filter 111 is preferably 5 cores 20 inch PP face filter cores, is used for filtering solid particle impurities such as silt, iron rust in water. The filter element of the activated carbon filter 112 is preferably a 5-core 20-inch carbon rod filter element, which is used to remove residual chlorine, organic compounds and some heavy metals in water.

The reverse osmosis membrane module 21 includes a double reverse osmosis membrane module 211 and a single reverse osmosis membrane module 212 connected in sequence. The double reverse osmosis membrane module 211 is used to remove impurities such as bacteria, viruses, colloids, organic matter, inorganic salts and heavy metals in water. The water treated by the double reverse osmosis membrane module 211 can meet the standard of the Ministry of Health for direct drinking water. The single reverse osmosis membrane module 212 is used to further remove impurities such as bacteria, viruses, colloids, organic matter, inorganic salts and heavy metals in water to obtain more pure drinking water quality.

Electrodeionization treatment is a pure water manufacturing technology that combines ion exchange technology, ion exchange membrane technology and ion electromigration technology. Electrodeionization treatment technology can combine electrodialysis and ion exchange technology, use the electrode voltage at both ends to move charged ions in water, and cooperate with ion exchange resin and selective resin membrane to accelerate the removal of ions, so as to achieve the purpose of water purification. The above-mentioned electrodeionization treatment device 3 also includes an ultraviolet sterilizer 32, which can effectively eliminate bacteria and viruses in water. When ultraviolet rays irradiate microorganisms, energy transfer and accumulation will occur, and the accumulated results will cause the inactivation of microorganisms, thereby achieving the purpose of disinfection.

In the pretreatment device 1, the reverse osmosis treatment device 2, and the electrodeionization treatment device 3, at least one closed-loop control point is arranged, and a pressure sensor and a flow sensor are arranged at the closed-loop control point for controlling the The treatment device 2, the electrodeionization treatment device 3 and the water running in the pretreatment device 1, the reverse osmosis treatment device 2, and the electrodeionization treatment device 3 perform real-time pressure and flow detection, and are under the control of the monitoring control system 4 , to control the pressure and flow of water.

In this embodiment, the devices are connected through pipelines. Specifically, the input end of the double reverse osmosis membrane module 211 is connected to the activated carbon filter 112 through a pipeline, and a pretreatment pure water tank 5 and a primary high pressure pump 6 are arranged on the input pipeline. The pre-treated pure water tank 5 can be used to store pre-treated water. A flow meter is arranged on the input pipe of the pretreatment pure water tank 5 for measuring the amount of water entering the pretreatment pure water tank 5 . The primary high-pressure pump 6 is used to provide reverse osmosis pressure to the double reverse osmosis membrane module 211 . The output end of the double reverse osmosis membrane module 211 is connected to the single reverse osmosis membrane module 212 through a pipeline, and the output pipeline is provided with a primary reverse osmosis pure water tank 7 and a secondary high pressure pump 8 . The primary reverse osmosis pure water tank 7 can be used to store double reverse osmosis treated pure water. A flow meter is arranged on the input pipe of the primary reverse osmosis pure water tank 7 for measuring the amount of water entering the primary reverse osmosis pure water tank 7 . The secondary high-pressure pump 8 is used to provide reverse osmosis pressure to the single reverse osmosis membrane module 212 . Both the inlet and outlet of the primary high pressure pump 6 and the secondary high pressure pump 8 are provided with an underpressure protection device and an overpressure protection device (not shown in the figure). The input end of the ultraviolet sterilizer 32 is connected with the single reverse osmosis membrane module 212 through the pipeline, the input pipeline is provided with the secondary reverse osmosis pure water tank 9, and the input pipeline of the secondary reverse osmosis pure water tank 9 is provided with a flowmeter, used To measure the amount of water entering the secondary reverse osmosis pure water tank 9. The output end of the ultraviolet sterilizer 32 is connected with the electrodeionization module 31 through a pipeline. The output end of the electrodeionization module 31 is connected to the electrodeionization pure water tank 10 through a pipeline. A flow meter is provided on the input pipe of the electrodeionized pure water tank 10 for measuring the amount of water entering the electrodeionized pure water tank 10 . Each of the above water tanks is provided with liquid level control.

The municipal water is treated sequentially through the pretreatment device 1, the reverse osmosis treatment device 2 and the electrodeionization treatment device 3 to filter out the sediment, particles and microorganisms in the raw water, and obtain the cooling water for cooling the vehicle and the washing water for cleaning the vehicle; The electrolyte ions in the water are removed to obtain drinking water; the organic matter, inorganic salts and heavy metal impurities in the water are removed to obtain ultra-pure water for preparing urea solution for vehicles.

The utility model carries out three-stage treatment and utilization of municipal water, which can improve the water utilization rate, save resources, save production costs, increase the use function of the product, and make the product function more diversified.

The technical principle of the utility model is described in conjunction with specific embodiments. These descriptions are only for explaining the principle of the utility model, and cannot be construed as limiting the protection scope of the utility model in any way. Based on the explanations herein, those skilled in the art can think of other specific implementations of the present utility model without creative work, and these forms will all fall within the protection scope of the present utility model.

Claims (10)

1. a urea for vehicle machine water treatment system, it is characterised in that include pre-with what municipal administration water was connected successively Processing means (1), reverse osmosis treatment device (2) and electrodeionization processing means (3)；

Described pretreatment unit (1) includes filter assemblies (11), is used for silt, the granule filtering in former water And microorganism；Pretreated water can be as the cooling water of cooling vehicle and the rinse water cleaning vehicle；

Described reverse osmosis treatment device (2) includes reverse osmosis membrane assembly (21), is used for the electrolysis deviating from water Matter ion；Water after reverse-osmosis treated can be as drinking water；

Described electrodeionization processing means (3) includes electrodeionization module (31), is used for deviating from having in water Machine thing, inorganic salt and beavy metal impurity；Water after electrodeionization processes can be as preparation urea for vehicle solution Ultra-pure water.

Urea for vehicle machine water treatment system the most according to claim 1, it is characterised in that described filtration Assembly (11) includes PP cotton filter (111) and active carbon filter (112).

Urea for vehicle machine water treatment system the most according to claim 2, it is characterised in that described reverse osmosis Permeable membrane assembly (21) includes double reverse osmosis membrane assemblies (211) and list reverse osmosis membrane assembly (212) being sequentially connected with.

Urea for vehicle machine water treatment system the most according to claim 3, it is characterised in that described electricity goes Ion manipulation arrangement (3) also includes ultraviolet sterilizer (32), and described ultraviolet sterilizer (32) is respectively It is connected with single reverse osmosis membrane assembly (212) and electrodeionization module (31).

Urea for vehicle machine water treatment system the most according to claim 3, it is characterised in that described double anti- Permeable membrane element (211) is connected with active carbon filter (112) by pipeline, and described pipeline is provided with Pretreatment pure water tank (5) and one-level high-pressure pump (6).

Urea for vehicle machine water treatment system the most according to claim 5, it is characterised in that described double anti- Permeable membrane element (211) is connected with single reverse osmosis membrane assembly (212) by pipeline, and this pipeline is provided with First-stage reverse osmosis pure water tank (7) and two grades of high-pressure pumps (8).

Urea for vehicle machine water treatment system the most according to claim 4, it is characterised in that described list is anti- Two-pass reverse osmosis pure water tank (9) it is provided with between permeable membrane element (212) and ultraviolet sterilizer (32).

Urea for vehicle machine water treatment system the most according to claim 1, it is characterised in that described electricity goes Ion module (31) is connected with electric deionization pure water case (10).

Urea for vehicle machine water treatment system the most according to claim 6, it is characterised in that described one-level The import and export of high-pressure pump (6) and two grades of high-pressure pumps (8) are provided with undervoltage protection device and overpressure protection dress Put.

10., according to the urea for vehicle machine water treatment system described in any one of claim 1 to 9, its feature exists In, also include supervisor control (4), connected at pretreatment unit (1), reverse osmosis by communication line Each closed loop control point arranged in reason device (2) and electrodeionization processing means (3), is used for monitoring often The real-time sensory data of individual closed loop control point, and to described closed loop control point transmitting control commands.