Polyaluminum ferric chloride liquid adding and backwashing system

Abstract

The utility model discloses a polyaluminum ferric chloride liquid adding and backwashing system, which comprises a medicine inlet pipeline, a washing pipeline and a water drainage pipeline, the medicine inlet pipeline (1) comprises a medicine inlet pipe, a medicine storage tank and a medicine adding pipeline, the medicine inlet pipe is connected with a main medicine storage tank and a standby medicine storage tank, and the washing pipeline is connected with the medicine adding pipeline; the water inlet end of the chemical adding pipeline is connected with the main chemical storage tank and the standby chemical storage tank, and the water outlet end of the chemical adding pipeline is connected to the source water pipe; (2) a flushing pipeline which is mainly a high-pressure backwashing pipe, a water supply pipe inputs high-pressure water which just leaves a factory as flushing water to the high-pressure backwashing pipe and the chemical storage tank, and the high-pressure backwashing pipe is communicated with the chemical adding pipeline, so that the flushing water is backflushed into the chemical adding pipeline; one end of the drainage pipeline is connected with the chemical storage tank and the chemical adding pipeline, and the other end of the drainage pipeline is connected with a drainage sewage pipe network. The utility model provides a polyaluminum ferric chloride liquid adding and backwashing system, which can be used for respectively washing a medicine storage tank and each section of medicine adding pipeline while adding medicine without stopping a pump, preventing the pipeline from being blocked, reducing the fault, not influencing the production, and reducing the production cost. Meanwhile, the operation intensity of maintenance personnel is relieved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technology field of water plant especially relates to a polymeric ferric chloride liquid dosing and backwashing system. BACKGROUND

[0002] Waterworks usually needs to add flocculants such as polymeric ferric chloride liquid when treating water in production process, which is used to help remove suspended solids and impurities in water. The polymeric ferric chloride liquid is delivered to the raw water pipeline through the dosing system, and the dosing system controls the delivery of the polymeric ferric chloride liquid to the raw water pipeline through the pipeline and various valves. After a period of dosing, the dosing system will appear the condition of polymeric ferric chloride slag blocking the pipeline, and the maintenance personnel need to stop the equipment operation to disassemble and clean the gate valve and various connecting elbows or valves. Figure 1 As shown in the prior art, there are two medicine storage tanks, and pipeline pumps are arranged on the medicine storage tanks to deliver the polymeric ferric chloride solution. The bottom of each medicine storage tank is connected with a sewage pipe network for discharging the sewage after cleaning the medicine storage tank. The water outlet pipelines of the main machine and the standby machine are connected, and when the main machine fails, the standby machine cannot be used, and only the two machines can be stopped for maintenance, which causes the whole water production process to be unable to add polymeric ferric chloride liquid, affecting water supply production and water quality, and greatly reducing the use and time and effort of the equipment. SUMMARY

[0003] The utility model discloses an polymeric ferric chloride liquid dosing and backwashing system which can clean the medicine storage tank and the medicine dosing pipeline respectively without stopping the pipeline pumps on the main medicine storage tank and the standby medicine storage tank at the same time, does not affect the water supply quality, and reduces the work intensity of the maintenance personnel.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: a polymeric ferric chloride liquid dosing and backwashing system, comprising:

[0005] The medicine inlet pipeline comprises a medicine inlet pipe, a main medicine storage tank, a standby medicine storage tank and a medicine dosing pipeline, the medicine inlet pipe is connected with the main medicine storage tank and the standby medicine storage tank, the water inlet end of the medicine dosing pipeline is connected with the main medicine storage tank and the standby medicine storage tank, and the water outlet end of the medicine dosing pipeline is connected to a source water pipe;

[0006] The flushing pipeline comprises a water supply pipe and a high-pressure backwashing pipe, the water supply pipe inputs high-pressure water just after the factory as flushing water to the high-pressure backwashing pipe, the main medicine storage tank and the standby medicine storage tank, and the high-pressure backwashing pipe is communicated with the medicine dosing pipeline, so that the flushing water is backwashed into the main medicine storage tank and the standby medicine storage tank through the medicine dosing pipeline;

[0007] The drain pipeline is connected with the main medicine storage tank and the standby medicine storage tank at one end and connected with a sewage pipe network at the other end.

[0008] The utility model discloses adopt above-mentioned technical scheme, and the medicine adding pipeline provides polymeric aluminum chloride iron liquid flocculating agent, and is transported to the first source water pipe through the medicament adding pipeline, when flushing, close the valve on the medicament adding pipeline output end, and the high pressure water of flushing pipeline input makes high pressure water into medicament adding pipeline and reflux into main, spare medicine tank and carries out the flushing of medicament adding pipeline and main medicine tank and spare medicine tank, and after flushing, the sewage is discharged into sewage pipe network, can independently carry out the reverse flushing of main medicine tank and the medicament adding pipeline connected with it without stopping the operation of spare medicine tank and its medicament adding pipeline, does not influence water supply and flushing, does not need to stop and dismantle, and the labor intensity of machine repair personnel is reduced.

[0009] The polymeric aluminum chloride iron liquid adding and backwashing system has a first branch pipeline and a second branch pipeline bypassing the medicament adding pipeline, the water outlet ends of the first branch pipeline and the second branch pipeline are connected to the second water distribution well and the third source water pipe respectively, and the high-pressure backwashing pipe communicates the first branch pipeline and the second branch pipeline. The first branch pipeline and the second branch pipeline can assist in conveying the polymeric aluminum chloride iron liquid flocculating agent to the source water pipe or the water distribution well, and the high-pressure backwashing pipe also flushes the first branch pipeline and the second branch pipeline.

[0010] The polymeric aluminum chloride iron liquid adding and backwashing system has a first branch pipeline and a second branch pipeline bypassing the medicament adding pipeline, the water outlet ends of the first branch pipeline and the second branch pipeline are connected to the second water distribution well and the third source water pipe respectively, and the high-pressure backwashing pipe communicates the first branch pipeline and the second branch pipeline. The first branch pipeline and the second branch pipeline can assist in conveying the polymeric aluminum chloride iron liquid flocculating agent to the source water pipe or the water distribution well, and the high-pressure backwashing pipe also flushes the first branch pipeline and the second branch pipeline.

[0011] The polymeric aluminum chloride iron liquid adding and backwashing system has a first branch pipeline and a second branch pipeline bypassing the medicament adding pipeline, the water outlet ends of the first branch pipeline and the second branch pipeline are connected to the second water distribution well and the third source water pipe respectively, and the high-pressure backwashing pipe communicates the first branch pipeline and the second branch pipeline. The first branch pipeline and the second branch pipeline can assist in conveying the polymeric aluminum chloride iron liquid flocculating agent to the source water pipe or the water distribution well, and the high-pressure backwashing pipe also flushes the first branch pipeline and the second branch pipeline.

[0012] The polymeric aluminum chloride iron liquid adding and backwashing system has a first branch pipeline and a second branch pipeline bypassing the medicament adding pipeline, the water outlet ends of the first branch pipeline and the second branch pipeline are connected to the second water distribution well and the third source water pipe respectively, and the high-pressure backwashing pipe communicates the first branch pipeline and the second branch pipeline. The first branch pipeline and the second branch pipeline can assist in conveying the polymeric aluminum chloride iron liquid flocculating agent to the source water pipe or the water distribution well, and the high-pressure backwashing pipe also flushes the first branch pipeline and the second branch pipeline.

[0013] The polymeric aluminum chloride iron liquid adding and backwashing system has a first branch pipeline and a second branch pipeline bypassing the medicament adding pipeline, the water outlet ends of the first branch pipeline and the second branch pipeline are connected to the second water distribution well and the third source water pipe respectively, and the high-pressure backwashing pipe communicates the first branch pipeline and the second branch pipeline. The first branch pipeline and the second branch pipeline can assist in conveying the polymeric aluminum chloride iron liquid flocculating agent to the source water pipe or the water distribution well, and the high-pressure backwashing pipe also flushes the first branch pipeline and the second branch pipeline.

[0014] The polymeric aluminum chloride iron liquid adding and backwashing system has a first branch pipeline and a second branch pipeline bypassing the medicament adding pipeline, the water outlet ends of the first branch pipeline and the second branch pipeline are connected to the second water distribution well and the third source water pipe respectively, and the high-pressure backwashing pipe communicates the first branch pipeline and the second branch pipeline. The first branch pipeline and the second branch pipeline can assist in conveying the polymeric aluminum chloride iron liquid flocculating agent to the source water pipe or the water distribution well, and the high-pressure backwashing pipe also flushes the first branch pipeline and the second branch pipeline.

[0015] The polyaluminum ferric chloride liquid adding and backwashing system, the medicament adding pipeline, the first branch pipeline and the second branch pipeline are provided with backwashing discharge ports.

[0016] The medicament adding pipeline, the first branch pipeline and the second branch pipeline are provided with backwashing discharge ports.

[0017] The medicament adding pipeline, the first branch pipeline and the second branch pipeline are provided with backwashing discharge ports. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a pipeline structure schematic diagram of the polyaluminum ferric chloride liquid adding system in the prior art;

[0019] Figure 2 is a pipeline structure schematic diagram of the polyaluminum ferric chloride liquid adding and backwashing system of the embodiment of the utility model.

[0020] The medicament adding pipeline, the first branch pipeline and the second branch pipeline are provided with backwashing discharge ports. DETAILED DESCRIPTION

[0021] The drawings are only used for illustrative description and cannot be understood as a limitation of the patent; in order to better illustrate the embodiment, some components in the drawings can be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings can be omitted.

[0022] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "connection" should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be said that the communication of two elements inside. For ordinary skilled in the art, the above-mentioned term can be understood in the specific meaning of the utility model according to specific circumstances. The technical scheme of the utility model is further explained below in conjunction with the drawings and examples.

[0023] As Figure 1 Indicated, the prior art has two medicine storage tanks, and pipeline pumps are arranged on each medicine storage tank to deliver medicine water to which polyaluminum ferric chloride liquid is added. The medicine storage tanks are connected with a sewage pipe network for discharging sewage after shutdown cleaning. The medicine adding pipe of the polyaluminum ferric chloride system main machine and the standby machine is communicated, when the main machine fails, the standby machine also cannot be used, and only the two devices can be stopped for maintenance, so that the whole process cannot add polyaluminum ferric chloride liquid, which affects the water supply efficiency and greatly reduces the use and time and effort of the device.

[0024] The technical scheme of the utility model is further explained below in conjunction with the drawings and examples.

[0025] Referring to Figure 2 Indicated, a polyaluminum ferric chloride liquid adding and backwashing system comprises: (1) a medicine inlet pipeline 1 comprising a medicine inlet pipe 11, a main medicine storage tank 12, a standby medicine storage tank 13 and a medicine adding pipeline 14, the medicine inlet pipe 11 is connected with the main medicine storage tank 12 and the standby medicine storage tank 13, the water inlet end of the medicine adding pipeline 14 is connected with the main medicine storage tank 12 and the standby medicine storage tank 13, and the water outlet end of the medicine adding pipeline 14 is connected to a first-stage source water pipe 31; (2) a flushing pipeline 2 comprising a water supply pipe 21 and a high-pressure backwashing pipe 22, the water supply pipe 21 inputs high-pressure water just out of the factory to the high-pressure backwashing pipe 22, the main medicine storage tank 12 and the standby medicine storage tank 13, and the high-pressure backwashing pipe 22 is communicated with the medicine adding pipeline 14, so that the flushing water is backwashed into the main medicine storage tank 12 and the standby medicine storage tank 13 through the medicine adding pipeline 14; (3) a drainage pipeline 4, one end of the drainage pipeline 4 is connected with the main medicine storage tank 12 and the standby medicine storage tank 13, and the other end is connected with a sewage pipe network 5.

[0026] The medicine adding pipeline 14 has a first branch pipeline 141 and a second branch pipeline 142 in parallel, the water outlet ends of the first branch pipeline 141 and the second branch pipeline 142 are respectively connected to a second-stage water distribution well 32 and a third-stage source water pipe 33, and the high-pressure backwashing pipe 22 is communicated with the first branch pipeline 141 and the second branch pipeline 142.

[0027] The first branch pipeline 141 and the second branch pipeline 142 are communicated with the sewage pipe network 5 through a gate valve 15 in one-way conduction.

[0028] The medicament adding pipeline 14, the first branch pipeline 141 and the second branch pipeline 142 are provided with a pipeline pump 16.

[0029] The medicament adding pipeline 14 connects the main medicament storage tank 12 and the standby medicament storage tank 13 through a backflow pipeline 17.

[0030] The medicament adding pipeline 14 is provided with an electric valve 18. The medicament adding pipeline 14, the first branch pipeline 141 and the second branch pipeline 142 are respectively communicated with a first source water pipeline 31, a second water distribution well 32 and a third source water pipeline 33.

[0031] The medicament adding pipeline 14 is provided with a polyaluminum ferric chloride liquid sampling port 19. The medicament adding pipeline 14, the first branch pipeline 141 and the second branch pipeline 142 are provided with backwashing discharge ports 23.

[0032] The medicament adding pipeline 14, the first branch pipeline 141 and the second branch pipeline 142 are respectively communicated with a first source water pipeline 31, a second water distribution well 32 and a third source water pipeline 33.

[0033] The medicament adding pipeline 14, the first branch pipeline 141 and the second branch pipeline 142 are respectively communicated with a first source water pipeline 31, a second water distribution well 32 and a third source water pipeline 33.

[0034] When reverse flushing is needed, for example, the electric valve 18 on the main medicament storage tank 12 can be stopped first, and the standby medicament storage tank 13 continues to deliver polyaluminum ferric chloride liquid for production, so that even if the main medicament storage tank 12 and its corresponding pipeline are stopped for reverse flushing, the production operation of the standby medicament storage tank 13 and its corresponding pipeline will not be affected.

[0035] When the main medicament storage tank 12 is reverse flushed, the corresponding control valve is closed according to the need of flushing, then the high-pressure water just out of the factory is connected to the water supply pipe 21 of the flushing pipeline 2, the water supply pipe 21 is communicated with the high-pressure backwashing pipe 22, the high-pressure water enters the high-pressure backwashing pipe 22, then enters the medicament adding pipeline 14, the first branch pipeline 141 and the second branch pipeline 142, and enters the main medicament storage tank 12 from the pipeline for flushing. The sewage after flushing can be discharged from the sewage pipeline 4 connected to the sewage pipeline network 5.

[0036] In addition, the backwash discharge port 23 is arranged in the medicament adding pipeline 14, the first branch pipeline 141 and the second branch pipeline 142, which is used for discharging the cleaning sewage remaining in the pipeline, and in combination with the design of the control valve, the segmented cleaning can be realized.

[0037] The utility model discloses the independent flushing of not using the use of main liquid storage tank 12 and vice liquid storage tank 13 simultaneously, the whole flow does not influence water quality and water supply efficiency.

[0038] In the drawings, the position relationship is only used for example description, and cannot be understood as the limitation of the patent; obviously, the above embodiment of the utility model is only for clearly illustrating the utility model, and is not the limitation of the embodiment of the utility model. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or changes can be made. Here, all the embodiments are not exhausted. Any modification, equivalent replacement and improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A polymeric ferric aluminum chloride liquid dosing and backwashing system, characterized in that, The utility model relates to a water supply system, which comprises: a medicine inlet pipeline, including a medicine inlet pipe, a main medicine storage tank, a standby medicine storage tank and a medicine adding pipeline, the medicine inlet pipe is connected to the main medicine storage tank and the standby medicine storage tank, the water inlet end of the medicine adding pipeline is connected to the main medicine storage tank and the standby medicine storage tank, and the water outlet end of the medicine adding pipeline is connected to a primary source water pipe; a flushing pipeline, including a water supply pipe and a high-pressure backwashing pipe, the water supply pipe inputs high-pressure water after factory as flushing water to the high-pressure backwashing pipe, the main medicine storage tank and the standby medicine storage tank, and the high-pressure backwashing pipe is communicated with the medicine adding pipeline to make the flushing water backwash into the main medicine storage tank and the standby medicine storage tank through the medicine adding pipeline; a drainage pipeline, one end of the drainage pipeline is connected to the main medicine storage tank and the standby medicine storage tank, and the other end is connected to a sewage pipe network.

2. The polymeric ferric aluminum chloride liquid dosing and backwashing system according to claim 1, characterized in that: The medicine adding pipeline is bypassed by a first branch pipeline and a second branch pipeline, the water outlet ends of the first branch pipeline and the second branch pipeline are respectively connected to a secondary water distribution well and a tertiary source water pipe, and the high-pressure backwashing pipe is communicated with the first branch pipeline and the second branch pipeline.

3. The polymeric ferric aluminum chloride liquid dosing and backwashing system according to claim 2, characterized in that: The first branch pipeline and the second branch pipeline are communicated with the sewage pipe network through one-way conduction of gate valves.

4. The polymeric ferric aluminum chloride liquid dosing and backwashing system according to claim 2, characterized in that: Pipeline pumps are arranged on the medicine adding pipeline, the first branch pipeline and the second branch pipeline.

5. The polymeric ferric aluminum chloride liquid dosing and backwashing system according to claim 2, characterized in that: The medicine adding pipeline is connected to the main medicine storage tank and the standby medicine storage tank through a backflow pipeline.

6. The polymeric ferric aluminum chloride liquid dosing and backwashing system according to claim 1, characterized in that: Electric valves are arranged on the medicine adding pipeline.

7. The polymeric ferric aluminum chloride liquid dosing and backwashing system according to claim 2, characterized in that: Polyaluminum ferric chloride liquid sampling ports are arranged on the medicine adding pipeline.

8. The polymeric ferric aluminum chloride liquid dosing and backwashing system according to claim 2, characterized in that: Backwashing discharge ports are arranged on the medicine adding pipeline, the first branch pipeline and the second branch pipeline.

9. The polymeric ferric aluminum chloride liquid dosing and backwashing system according to claim 1, characterized in that: Control valves are arranged on the medicine inlet pipeline, the flushing pipeline and the drainage pipeline.

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