CN110921873A

CN110921873A - Method for adsorbing sewage by using spiral ACF

Info

Publication number: CN110921873A
Application number: CN201911282817.1A
Authority: CN
Inventors: 李伟
Original assignee: Xi'an Run Chuan Environmental Protection Technology Co Ltd
Current assignee: Xi'an Run Chuan Environmental Protection Technology Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-03-27

Abstract

The invention discloses a method for adsorbing sewage by using a spiral ACF, which comprises the following steps: step 1, introducing the chemical wastewater subjected to primary filtration into a flow-expanding flow guide sleeve from a water inlet pipeline to perform drainage and flow expansion; step 2, the sewage after flow expansion enters a pipe sleeve in the box body through a water distribution plate; step 3, impacting the ACF spiral adsorption blade in the pipe sleeve by sewage to enable the ACF spiral adsorption blade to rotate so as to adsorb the sewage; step 4, the adsorbed sewage flows to a bottom sedimentation tank along with the solid particles which cannot be adsorbed; and 5, discharging the finally adsorbed sewage to a water inlet pipeline through a circulating pipe, and performing multiple cycles to finish the adsorption process. This application double helix's structure compares traditional board-like filtration, when having increased area of contact, does not influence the normal flow of rivers, does not produce the hindrance effect, has effectively improved the water purification effect.

Description

Method for adsorbing sewage by using spiral ACF

Technical Field

The invention belongs to the technical field of sewage treatment and recovery methods, and relates to a method for adsorbing sewage by using a spiral ACF.

Background

In the sewage treatment process, chemical sewage has no good solution and has toxicity and irritation: some chemical wastewater contains toxic or highly toxic substances such as cyanogen, phenol, arsenic, mercury, cadmium or lead, and the like, and has toxic influence on organisms and microorganisms at a certain concentration, so that the chemical wastewater is difficult to biodegrade; high concentration of organic matter: especially, the concentration of various organic matters such as organic acid, alcohol, aldehyde, ketone, ether, epoxide and the like in petrochemical wastewater is higher, and the organic matters can be further oxidized and decomposed in water to consume dissolved oxygen; the nutrition is more: the high content of phosphorus and nitrogen can cause eutrophication of water body, so that algae and microorganisms in water can be propagated in large quantity, and when the quantity is serious, "red tide" can be caused, thereby affecting the growth of fishes.

The traditional filtration adsorption usually adopts a filter plate, and utilizes the adsorption function of ACF to remove residual chlorine, compounds, heavy metals, spore cysts and the like in the pollutants in the sewage, but has the problems of low utilization rate and low sewage purification efficiency.

Disclosure of Invention

The invention aims to provide a method for adsorbing sewage by using a spiral ACF, which solves the problems of low utilization rate and low purification efficiency of an ACF filter plate in the prior art.

The technical scheme adopted by the invention is that the method for adsorbing sewage by using the spiral ACF comprises the following steps:

step 1, introducing the chemical wastewater subjected to primary filtration into a flow-expanding flow guide sleeve from a water inlet pipeline to perform drainage and flow expansion;

step 2, the sewage after flow expansion enters a pipe sleeve in the box body through a water distribution plate;

step 3, impacting the ACF spiral adsorption blade in the pipe sleeve by sewage to enable the ACF spiral adsorption blade to rotate, and adsorbing the sewage while slowing down the flow speed;

step 4, the adsorbed sewage flows to a bottom sedimentation tank along with the solid particles which cannot be adsorbed, and the sedimentation tank collects the solid particles;

and 5, discharging the finally adsorbed sewage to a water inlet pipeline through a circulating pipe, repeating the steps 1-4, and performing multiple cycles to finish the adsorption process.

In the step 1, the water inlet pressure is 0.1-0.23 MPa, and the flow rate is controlled at 2 m/s.

In the step 2, four groups of pipe sleeves, three in each group, are arranged on the water distribution plate to distribute water uniformly.

The bottom layer of the ACF spiral adsorption blade is made of a supporting steel plate, and the middle ACF layer is wrapped by a fixed protective net.

The fixed protecting net slows down the flow velocity of water flow, and the ACF layer arranged spirally increases the contact area with sewage.

The inner wall of the deposition groove is carved with flow guide lines which are arranged at intervals and extend from the top to the bottom of the deposition groove to accelerate the deposition of solid particles.

And when the recovery pipe at the bottom of the settling tank is full of solid particles, opening a slag discharge valve to perform slag discharge operation.

The invention is also characterized in that:

the invention has the beneficial effects that: the invention removes the pollutant residual chlorine, compounds, heavy metals and spore cysts in the sewage by the ACF spiral adsorption blade; compared with the traditional plate type filtration, the double-helix structure increases the contact area, does not influence the normal flow of water flow, does not generate an obstruction effect, and effectively improves the water purification effect; through the sedimentation tank of bottom, get rid of after depositing unable absorbent particulate matter, expand a class kuppe and box are detachable connection, and it is convenient to adsorb subassembly clearance, maintenance.

Drawings

FIG. 1 is a schematic structural diagram of a device for sewage adsorption using a spiral ACF according to the present invention;

FIG. 2 is a top view of the water distribution plate of the present invention;

FIG. 3 is a cross-sectional view of a sorbent assembly in accordance with the present invention;

FIG. 4 is a structural view of an ACF spiral adsorbing leaf of the present invention.

In the figure, 1, a water inlet pipeline, 2, a flow expansion guide cover, 3, a water distribution plate, 4, an ACF spiral adsorption blade, 5, a pipe sleeve, 6, a box body, 7, a sedimentation tank, 8, a support frame, 9, a recovery pipe, 10, a slag discharge valve, 11, a circulation pipe, 12, a one-way valve, 13, a support steel plate, 14, an ACF layer, 15, a fixed protection net and 16, a rotating shaft are arranged.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, a method for sewage adsorption using a spiral ACF includes the following steps:

step 1, introducing the chemical wastewater subjected to primary filtration into a flow expansion guide sleeve 2 through a water inlet pipeline 1 to perform drainage and flow expansion;

step 2, the sewage after flow expansion enters a pipe sleeve 5 in a box body 6 through a water distribution plate 3;

step 3, the sewage impacts the ACF spiral adsorption blades 4 in the pipe sleeve 5, so that the ACF spiral adsorption blades 4 rotate, and the sewage is adsorbed while the flow speed is reduced;

step 4, the adsorbed sewage flows to a bottom sedimentation tank 7 along with the solid particles which cannot be adsorbed, and the sedimentation tank 7 collects the solid particles;

and 5, discharging the finally adsorbed sewage to the water inlet pipeline 1 through the circulating pipe 11, repeating the steps 1-4, and performing multiple cycles to finish the adsorption process.

In the step 2, four groups of pipe sleeves 5 are arranged on the water distribution plate 3, and each group comprises three pipes to distribute water uniformly.

As shown in fig. 4, the bottom layer of the ACF spiral adsorption blade 4 is made of a supporting steel plate 13, and an intermediate ACF layer 14 is wrapped by a fixing protective net 15.

The fixed protective net 15 slows down the flow velocity of water flow, and the contact area of the ACF layer 14 arranged spirally and sewage is increased.

The inner wall of the deposition groove 7 is carved with flow guide lines which are arranged at intervals and extend from the top to the bottom of the deposition groove 7 to accelerate the deposition of solid particles.

The flow expanding guide cover 2 is conical and is detachably connected with the top of the box body 6 through a bolt, so that when the flow is guided conveniently, when the ACF spiral adsorption blade 4 goes wrong, the maintenance is convenient.

The sedimentation tank 7 is the infundibulate, passes through the bolt with 6 bottoms of box and can dismantle the connection, and unable absorbent big particulate matter is under the effect of rivers and gravity, and the sedimentation tank 7 of cooperation infundibulate gathers to the bottom more easily, and after the recovery tube 9 of sedimentation tank 7 bottom collected solid particle, it arranges sediment operation, convenient unified collection processing to open sediment valve 10.

As shown in fig. 3, the adsorption assembly comprises pipe sleeves 5 which are vertically arranged at intervals, the top of each pipe sleeve 5 is connected with a water distribution plate 3, the bottom of each pipe sleeve 5 is communicated with a sedimentation tank 7, and sewage flows to the sedimentation tank 7 through the pipe sleeves 5; the pipe sleeve 5 is sleeved with a rotatable ACF spiral adsorption blade 4, the ACF spiral adsorption blade 4 is fixed on a rotating shaft 16, sewage impacts the ACF spiral adsorption blade 4 to enable the ACF spiral adsorption blade 4 to rotate around the rotating shaft 16, and in the process, the ACF layer 14 is used for adsorbing compounds and heavy metals in the sewage.

The invention has the beneficial effects that: adsorbing and removing pollutants such as residual chlorine, compounds, heavy metals and spore cysts in the sewage by using an ACF spiral adsorption blade; compared with the traditional plate type filtration, the double-helix structure increases the contact area, does not influence the normal flow of water flow, does not generate an obstruction effect, and effectively improves the water purification effect; through the sedimentation tank of bottom, get rid of after depositing unable absorbent particulate matter, expand a class kuppe and box are detachable connection, and it is convenient to adsorb subassembly clearance, maintenance.

Claims

1. A method for sewage adsorption by using a spiral ACF is characterized by comprising the following steps:

step 1, introducing the chemical wastewater subjected to primary filtration into a flow-expanding flow guide sleeve (2) through a water inlet pipeline (1) for drainage and flow expansion;

step 2, the sewage after flow expansion enters a pipe sleeve (5) in a box body (6) through a water distribution plate (3);

step 3, impacting the ACF spiral adsorption blade (4) in the pipe sleeve (5) by sewage to enable the ACF spiral adsorption blade (4) to rotate, and adsorbing the sewage while slowing down the flow speed;

step 4, the adsorbed sewage flows to a bottom sedimentation tank (7) along with the solid particles which cannot be adsorbed, and the sedimentation tank (7) collects the solid particles;

and 5, discharging the finally adsorbed sewage to the water inlet pipeline (1) through the circulating pipe (11), repeating the steps 1-4, and performing multiple cycles to finish the adsorption process.

2. The method for sewage adsorption by using the spiral ACF as claimed in claim 1, wherein in the step 1, the water inlet pressure is 0.1-0.23 MPa and the flow rate is controlled at 2 m/s.

3. The method for sewage adsorption by using spiral ACF as claimed in claim 1, wherein in step 2, four sets of pipe sleeves (5) are arranged on the water distribution plate (3), and each set of three pipes distributes water uniformly.

4. The method for sewage adsorption by using the spiral ACF as claimed in claim 1, wherein the bottom layer of the ACF spiral adsorption blade (4) is made of a supporting steel plate (13), and the middle ACF layer (14) is wrapped by a fixed protective net (15).

5. The method for sewage adsorption by using the spiral ACF as claimed in claim 4, wherein the fixing protective net (15) slows down the flow velocity of the water flow, and the spirally arranged ACF layer (14) increases the contact area with the sewage.

6. The method for sewage adsorption by using the spiral ACF as claimed in claim 1, wherein the inner wall of the deposition tank (7) is engraved with flow guiding lines at intervals, and the flow guiding lines extend from the top to the bottom of the deposition tank (7) to accelerate the deposition of solid particles.

7. The method for sewage adsorption by using spiral ACF as claimed in claim 6, wherein after the recovery pipe (9) at the bottom of the deposition tank (7) is filled with solid particles, the residue discharge valve (10) is opened to perform residue discharge operation.