CN219415662U

CN219415662U - Water circulation recycling device of chemical fiber calciner vacuum system

Info

Publication number: CN219415662U
Application number: CN202320242327.4U
Authority: CN
Inventors: 钱春香; 吴旭
Original assignee: Yizheng Weiying Chemical Fiber Co ltd
Current assignee: Yizheng Weiying Chemical Fiber Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-25
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a water circulation recycling device of a chemical fiber calciner vacuum system in the field of water ring vacuum pumps, which comprises a water ring vacuum pump arranged corresponding to a calciner, wherein the water ring vacuum pump comprises a vacuum unit, the vacuum unit is connected with a water tank, the water tank is connected with the calciner through an air suction pipeline, the lower part of the water tank is connected with a primary sedimentation tank through a self-flow pipeline I, the primary sedimentation tank is connected with a secondary sedimentation tank through a water suction pipeline I, a sewage submersible pump is arranged on the water suction pipeline I, the secondary sedimentation tank is connected with a water treatment tank through a self-flow pipeline II, the water treatment tank is connected with a high-level water tank through a water suction pipeline II, a centrifugal pump is arranged on the water suction pipeline II, and the high-level water tank is connected with the water tank through a self-flow pipeline III. The utility model can reduce sewage discharge and realize water recycling.

Description

Water circulation recycling device of chemical fiber calciner vacuum system

Technical Field

The utility model belongs to the field of water ring vacuum pumps, and particularly relates to a water circulation recycling device of a vacuum system of a chemical fiber calciner.

Background

In the prior art, chemical fiber high molecular polymers are cracked under the vacuum state of isolating air and at the high temperature of about 500 ℃, and gas molecules after the high temperature cracking are pumped by a water ring vacuum pump, which is an important procedure for cleaning a component and a spinneret plate in the fiber production process.

The following problems exist in the prior art: 1. in the operation process of the vacuum calciner, a water ring vacuum pump is generally adopted, and after circulating water in the vacuum pump is operated for a period of time, gas molecules after pyrolysis are mixed with water, the vacuum pump can be blocked, and the operation effect of the vacuum pump is affected; 2. the circulating water of the vacuum pump needs to be replaced periodically, and when the replaced sewage is discharged to the sewage treatment station, the sewage discharge pipeline can be blocked, so that the water treatment production load of the sewage station is increased, and the equipment is frequently overhauled.

Disclosure of Invention

The utility model aims to provide a water circulation recycling device of a chemical fiber calciner vacuum system, which is provided in the water circulation of the calciner vacuum system, and provides process equipment for removing greasy dirt and impurities of circulating water.

The purpose of the utility model is realized in the following way: the utility model provides a chemical fiber calciner vacuum system hydrologic cycle recycling device, includes the hydrologic cycle vacuum pump that sets up corresponding with the calciner, the hydrologic cycle vacuum pump includes vacuum unit, and vacuum unit links to each other with the water tank, the water tank links to each other with the calciner through the pipeline of bleeding, the lower part of water tank links to each other with the one-level sedimentation tank through gravity flow pipeline one, the one-level sedimentation tank links to each other with the second grade sedimentation tank through the drinking-water pipe one, is equipped with the sewage pump on the drinking-water pipe, the second grade sedimentation tank links to each other with the water treatment pond through gravity flow pipeline two, the water treatment pond links to each other with the high-level water tank through the drinking-water pipe two, be equipped with the centrifugal pump on the drinking-water pipe two, the high-level water tank links to each other with the water tank through gravity flow pipeline three.

According to the utility model, the circulating water of a vacuum pump is used for a period of time by utilizing the sedimentation principle of a double sedimentation tank, discharged to a primary sedimentation tank by utilizing a sewage discharge pipe, subjected to primary sedimentation, cleaned, pumped to a secondary sedimentation tank by utilizing a submersible sewage pump to carry out secondary sedimentation, cleaned again, sent to a sewage station to be treated, pumped to a high-level water tank and reused; the water treated by the sedimentation tank enables oil stains and impurities in the water to be filtered and cleaned, so that the oil stains and impurities are reduced from adhering to the inside of equipment and the inner wall of a pipeline, the equipment maintenance period is prolonged, the generation of wastewater is reduced, and the water recycling is realized.

Compared with the prior art, the utility model has the beneficial effects that: in order to have the function of treating impurities in the circulating water, the problem that a vacuum pump is blocked by oil stains and impurities is solved; the other purpose is to solve the problem of direct discharge of circulating water, reduce the generation of wastewater and reduce the production load of wastewater treatment in a sewage station. The recycling of the circulating water is realized, so that the effects of saving water resources and reducing production cost are achieved. The main function of the sedimentation tank in the water circulation of the vacuum system of the calciner is to remove the precipitated impurities and greasy dirt, namely, the sedimentation tank is a functional device for separating the greasy dirt impurities and the water. The sedimentation tank can be divided into a primary sedimentation tank and a secondary sedimentation tank according to the application of the sedimentation tank in the water circulation process of the vacuum system of the calciner; the sedimentation tank has simple structure, but is used for the calcination furnace vacuum system water circulation process to have good sedimentation effect and stable working performance, and can achieve the purposes of saving water and reducing sewage discharge.

As a further improvement of the utility model, the calciner is provided with at least two, the end part of the air exhaust pipeline is provided with at least two parallel branch pipes, the end part of each branch pipe is connected with the corresponding calciner, and the branch pipe is provided with a valve. The treatment efficiency of the gas after pyrolysis of the calciner is enhanced.

As a further improvement of the utility model, the primary sedimentation tank and the secondary sedimentation tank are rectangular, the lengths of the primary sedimentation tank are 1.65m, 1.5m and 1.2m respectively, and the lengths of the secondary sedimentation tank are 2.2m, 2m and 1.4m respectively.

In order to realize the self-flowing water from the high-level water tank to the water tank, the height of the high-level water tank is higher than that of the water tank, and the self-flowing pipeline III and the air exhaust pipeline are connected with the upper part of the water tank.

In order to facilitate control and maintenance of the pipeline, the vacuum unit is connected with an exhaust pipe, and valves are arranged on the exhaust pipe, the self-flowing pipeline I, the self-flowing pipeline II, the self-flowing pipeline III and the water suction pipe II.

As a further improvement of the utility model, the height of the first-stage sedimentation tank is lower than that of the first gravity flow pipeline, and the height of the second gravity flow pipeline of the second-stage sedimentation tank is higher than that of the water treatment tank. The primary sedimentation tank is close to the vacuum pump water tank, and the overall height of the primary sedimentation tank is lower than that of the sewage discharge pipe, so that sewage discharge self-flowing is realized; the height of a blow-down pipe of the secondary sedimentation tank is higher than that of a water treatment facility, and blow-down self-flowing is realized.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

The device comprises a calciner 1, a water tank 2, a vacuum unit 3, a primary sedimentation tank 4, a submersible sewage pump 5, a secondary sedimentation tank 6, a water treatment tank 7, a centrifugal pump 8, a high-level water tank 9, a 10 air extraction pipeline 10, a 10a branch pipe 11, a self-flow pipeline I, a 12 water extraction pipe I, a 13 self-flow pipeline II, a 14 water extraction pipe II, a 15 self-flow pipeline III, a 16 valve and a 17 exhaust pipe.

Description of the embodiments

As shown in figure 1, the device comprises a water ring vacuum pump which is arranged corresponding to a calciner 1, wherein the water ring vacuum pump comprises a vacuum unit 3, the vacuum unit 3 is connected with a water tank 2, the water tank 2 is connected with the calciner 1 through an air suction pipeline 10, the lower part of the water tank 2 is connected with a primary sedimentation tank 4 through a self-flow pipeline I11, the primary sedimentation tank 4 is connected with a secondary sedimentation tank 6 through a water suction pipeline I12, a submersible sewage pump 5 is arranged on the water suction pipeline, the secondary sedimentation tank 6 is connected with a water treatment tank 7 through a self-flow pipeline II 13, the water treatment tank 7 is connected with a high-level water tank 9 through a water suction pipeline II 14, a centrifugal pump 8 is arranged on the water suction pipeline II 14, and the high-level water tank 9 is connected with the water tank 2 through a self-flow pipeline III 15. In order to realize that the high-level water tank 9 flows to the water tank 2 from the water, the height of the high-level water tank 9 is higher than that of the water tank 2, and the gravity flow pipeline III 15 and the air exhaust pipeline 10 are connected with the upper part of the water tank 2.

The calciner 1 is provided with at least two, and the exhaust pipe 10 tip is equipped with at least two parallel branch pipe 10a, and branch pipe 10a tip links to each other with corresponding calciner 1, is equipped with valve 16 on the branch pipe 10 a. The treatment efficiency of the gas after pyrolysis of the calciner 1 is enhanced.

The primary sedimentation tank 4 and the secondary sedimentation tank 6 are rectangular, the length of the primary sedimentation tank 4 is 1.65m, 1.5m and 1.2m respectively, and the length of the secondary sedimentation tank 6 is 2.2m, 2m and 1.4m respectively. The height of the primary sedimentation tank 4 is lower than that of the first gravity flow pipeline 11, and the height of the second gravity flow pipeline 13 of the secondary sedimentation tank 6 is higher than that of the water treatment tank 7. The primary sedimentation tank 4 is close to the vacuum pump water tank 2, and the whole height of the primary sedimentation tank 4 is lower than that of the sewage pipe, so that sewage self-flowing is realized; the height of the blow-down pipe of the secondary sedimentation tank 6 is higher than that of the water treatment facility, and blow-down self-flow is realized.

In order to facilitate control and maintenance of the pipelines, the vacuum unit 3 is connected with an exhaust pipe 17, and valves 16 are arranged on the exhaust pipe 17, the first gravity pipeline 11, the second gravity pipeline 13, the third gravity pipeline 15 and the second suction pipe 14.

According to the utility model, the circulating water of a vacuum pump is used for a period of time by utilizing the sedimentation principle of a double sedimentation tank, discharged to a primary sedimentation tank by utilizing a sewage discharge pipe, subjected to primary sedimentation, cleaned, pumped to a secondary sedimentation tank by utilizing a submersible sewage pump to carry out secondary sedimentation, cleaned again, sent to a sewage station to be treated, pumped to a high-level water tank and reused; the water treated by the sedimentation tank enables oil stains and impurities in the water to be filtered and cleaned, so that the oil stains and impurities are reduced from adhering to the inside of equipment and the inner wall of a pipeline, the equipment maintenance period is prolonged, the generation of wastewater is reduced, and the water recycling is realized. When the device works, firstly, circulating water of a vacuum system is used and runs and is mixed with polymer gas in the calciner 1 to form sewage, the sewage flows automatically to the first-stage sedimentation tank 4 through a sewage discharge pipe by the water tank 2 for sedimentation, and then the sediment is manually fished out. The sewage passing through the primary sedimentation tank 4 is pumped to the secondary sedimentation tank 6 through the submersible sewage pump 5 for secondary sedimentation, after sedimentation is carried out for a period of time, the sewage is automatically flowed to the water treatment tank 7 by the sewage discharging pipe for treatment, the sewage treated by the water treatment tank 7 is pumped to the high-level water tank 9 by the centrifugal pump 8, and when the water tank 2 needs water supplement, the valve of the high-level water tank 9 is opened. The problem of direct circulation water discharge is avoided, the water resource waste is reduced, and the production cost is reduced.

The utility model solves the problem that the vacuum pump is blocked by oil dirt and impurities in order to have the function of treating the impurities in the circulating water; the other purpose is to solve the problem of direct discharge of circulating water, reduce the generation of wastewater and reduce the production load of wastewater treatment in a sewage station. The recycling of the circulating water is realized, so that the effects of saving water resources and reducing production cost are achieved. The main function of the sedimentation tank in the water circulation of the vacuum system of the calciner is to remove the precipitated impurities and greasy dirt, namely, the sedimentation tank is a functional device for separating the greasy dirt impurities and the water. The sedimentation tank can be divided into a primary sedimentation tank and a secondary sedimentation tank according to the application of the sedimentation tank in the water circulation process of the vacuum system of the calciner; the sedimentation tank has simple structure, but is used for the calcination furnace vacuum system water circulation process to have good sedimentation effect and stable working performance, and can achieve the purposes of saving water and reducing sewage discharge.

The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.

Claims

1. The utility model provides a chemical fiber calciner vacuum system hydrologic cycle recycling device, includes the hydrologic cycle vacuum pump that sets up corresponding with the calciner, the hydrologic cycle vacuum pump includes vacuum unit, and vacuum unit links to each other with the water tank, the water tank links to each other with the calciner through the pipeline of bleeding, its characterized in that, the lower part of water tank links to each other with the one-level sedimentation tank through self-flow pipeline one, the one-level sedimentation tank links to each other with the second grade sedimentation tank through the pipeline of sucking water one, be equipped with the sewage pump on the pipe of sucking water, the second grade sedimentation tank links to each other with the water treatment pond through self-flow pipeline two, the water treatment pond links to each other with the high water tank through the pipe of sucking water two, be equipped with the centrifugal pump on the pipe of sucking water two, the high water tank links to each other with the water tank through self-flow pipeline three.

2. The device for recycling the water circulation of the vacuum system of the chemical fiber calcining furnace according to claim 1, wherein at least two calcining furnaces are arranged, at least two parallel branch pipes are arranged at the end parts of the air suction pipelines, the end parts of the branch pipes are connected with the corresponding calcining furnaces, and a valve is arranged on each branch pipe.

3. The water recycling device of the vacuum system of the chemical fiber calciner according to claim 1 or 2, wherein the primary sedimentation tank and the secondary sedimentation tank are rectangular, the length of the primary sedimentation tank is 1.65m, 1.5m and 1.2m respectively, and the length of the secondary sedimentation tank is 2.2m, 2m and 1.4m respectively.

4. The water recycling device of the vacuum system of the chemical fiber calcining furnace according to claim 1 or 2, wherein the height of the high-level water tank is higher than that of the water tank, and the gravity flow pipeline III and the air suction pipeline are connected with the upper part of the water tank.

5. The water recycling device of the vacuum system of the chemical fiber calcining furnace according to claim 1 or 2, wherein the vacuum unit is connected with an exhaust pipe, a first self-flowing pipeline, a second self-flowing pipeline, a third self-flowing pipeline and a second water pumping pipe, and valves are respectively arranged on the exhaust pipe, the first self-flowing pipeline, the second self-flowing pipeline, the third self-flowing pipeline and the second water pumping pipe.

6. The water recycling device of the vacuum system of the chemical fiber calcining furnace according to claim 1 or 2, wherein the first-stage sedimentation tank is lower than the first gravity flow pipeline, and the second gravity flow pipeline of the second-stage sedimentation tank is higher than the water treatment tank.