Concentration tank for sewage treatment

Abstract

The utility model discloses a concentration tank for sewage treatment. The concentration tank comprises a tank body, a clamping groove, a placement box, a cover plate, a circulation opening, a connecting frame, a pump body and a water conveying pipe, a clamping groove is formed in the side wall of the pool body, a containing box is arranged on the clamping groove, and a cover plate is movably connected to the top of the containing box. Circulation openings are formed in the side wall of the containing box and the cover plate, the containing box is connected with the connecting frame, and a pump body is placed in the containing box and connected with a water conveying pipe. And the lift pump can be conveniently overhauled or replaced after long-term use.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely relates to a concentration tank for sewage treatment. BACKGROUND

[0002] The steelmaking sewage treatment is a complex process, involves multiple technologies and equipment. Waste water classification: the steelmaking plant waste water can be mainly divided into equipment indirect cooling water, equipment and product direct cooling water and production process waste water. Pretreatment: before the dust removal waste water enters the sedimentation tank, first through the coarse particle separation equipment (hydrocyclone or screw classifier etc.), utilizes the principle of gravity, removes the large particle suspended impurity. Chemical treatment: in the open ditch of the sedimentation tank, adds the PH regulator, and adds the high molecular flocculating agent, makes in the sedimentation tank realizes the common flocculation and precipitation of the suspended matter and the scale forming matter. The commonly used flocculating agent includes polyaluminum chloride (PAC) and polyacrylamide (PAM). Sedimentation and separation: after the above chemical treatment, the suspended matter and scale forming matter in the sewage will form larger floc, realizes solid-liquid separation through the sedimentation tank. Sludge treatment: the sludge at the bottom of the sedimentation tank needs to be treated, usually includes concentration, dewatering, drying etc. steps, finally carries out disposal or resource utilization. Water quality stabilization: in the effluent of the sedimentation tank, adds the scale inhibitor, to prevent the pipe and equipment internal scale 2. Reuse and discharge: after the treatment, if the sewage reaches certain water quality standard, can carry out reuse, if the reuse condition is not satisfied, then can consider discharging. Before discharging, still needs to carry out the final water quality detection, ensures to meet the environmental protection requirement.

[0003] In the steelmaking sewage treatment, the supernatant lifting pump of the sewage concentration tank extracts the supernatant and returns to the sewage treatment equipment. However, the lifting pump needs to be repaired or replaced during long-term use, therefore, a concentration tank for sewage treatment is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a concentration tank for sewage treatment, which is convenient for repairing or replacing the lifting pump during long-term use.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A concentration tank for sewage treatment, comprising: a tank body, a clamping groove, a placing box, a cover plate, a flow-through opening, a connecting frame, a pump body, and a water delivery pipe.

[0007] The clamping groove is arranged on the side wall of the tank body, and the placing box is arranged on the clamping groove.

[0008] The flow-through opening is arranged on the side wall of the placing box and the cover plate, the placing box is connected with the connecting frame, the pump body is placed in the placing box, and the pump body is connected with the water delivery pipe.

[0009] Further, the upper side wall of the pool body is provided with a fixing frame.

[0010] The fixing hole of the connecting frame and the fixing hole of the fixing frame are threadedly connected by a screw.

[0011] Further, the upper side wall of the pool body is provided with a fixing frame.

[0012] Further, the treatment box is provided with a filter screen.

[0013] Further, the side wall of the air suction pipe and the side wall of the exhaust pipe are provided with air holes, and the air holes are provided with filter cloths.

[0014] Further, the pool body is a pool body structure with an open top wall, and the pool body is connected with a sludge discharge pipe, and the sludge discharge pipe is provided with a control valve.

[0015] Further, the upper wall of the pool body is provided with a fixing hole, and the fixing hole is matched with a fixing block for placing a pool plate.

[0016] Further, the cover plate is provided with a through hole, and the water delivery pipe passes through the through hole of the cover plate.

[0017] Compared with the prior art, the utility model has at least one of the following beneficial effects:

[0018] (1) The placing box is arranged on the clamping groove of the pool body, the pump body is arranged in the placing box, the water delivery pipe of the pump body extends through the through hole of the cover plate, the side wall of the placing box is provided with a connecting frame, the upper side wall of the body is provided with a fixing frame, the fixing hole of the connecting frame and the fixing hole of the fixing frame are threadedly connected by a screw, and the placing box can be moved up and down on the clamping groove of the pool body and then fixed according to needs. When maintenance is needed, the placing box is fixed on the upper part of the clamping groove of the pool body, the placing box is convenient to open, and the pump body can be maintained or replaced. After the pump body is maintained or replaced, the placing box is fixed on the lower part of the clamping groove of the pool body.

[0019] (2) The air suction pipe of the upper side wall of the pool body, the air holes of the air suction pipe, the air inlet pipe, the treatment box, the air outlet pipe, the exhaust pipe and the air holes of the exhaust pipe are arranged in sequence, the treated gas is convenient to output, and the hydrogen sulfide gas in the pool body is convenient to treat. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure top view of the utility model.

[0021] Figure 2 It is a connecting diagram of the placing box of the utility model.

[0022] Figure 3 It is the structure section view of the placing box of the utility model.

[0023] Figure 4 It is the schematic view of the pool body of the utility model.

[0024] In the drawing: 1-pool body, 2-clamping groove, 3-placing box, 4-cover plate, 5-flow-through port, 6-connecting frame, 7-fixing frame, 8-through hole, 9-sludge discharge pipe, 10-fixing hole, 11-pump body, 12-water delivery pipe, 13-air suction pipe, 14-air hole, 15-air outlet pipe, 16-air inlet pipe, 17-treatment box, 18-filter screen plate, 19-air discharge pipe, 20-power pump, 21-fixing hole, 22-pool plate, 23-fixing block, 24-control valve. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0026] A concentration pool for sewage treatment, comprising: pool body 1, clamping groove 2, placing box 3, cover plate 4, flow-through port 5, connecting frame 6, fixing frame 7, through hole 8, sludge discharge pipe 9, fixing hole 10, pump body 11, water delivery pipe 12, air suction pipe 13, air hole 14, air outlet pipe 15, air inlet pipe 16, treatment box 17, filter screen plate 18, air discharge pipe 19, power pump 20, fixing hole 21, pool plate 22, fixing block 23.

[0027] The clamping groove 2 is arranged on the side wall of the pool body 1, the placing box 3 is arranged on the clamping groove 2, the cover plate 4 is movably connected to the top of the placing box 3, the flow-through port 5 is formed in the side wall of the placing box 3 and the cover plate 4, the placing box 3 is connected with the connecting frame 6, the fixing frame 7 is arranged on the upper side wall of the pool body 1, the fixing hole 10 is formed in the connecting frame 6 and the fixing frame 7, the fixing hole 10 of the connecting frame 6 and the fixing hole 10 of the fixing frame 7 are threadedly connected by a screw, the pump body 11 is arranged in the placing box 3, the pump body 11 can be selected from the pump model 125WFB-A1, the flow rate is 170m 3 / h, the lift is 40m, and the motor power is 45KW. The pump body 11 is connected with the water delivery pipe 12. The through hole 8 is arranged on the cover plate 4, and the water delivery pipe 12 is a flexible pipe and passes through the through hole 8 of the cover plate 4.

[0028] The upper wall of one side of the pool body 1 is provided with an air suction pipe 13, the air suction pipe 13 is connected with a treatment box 17 through an air inlet pipe 16, the treatment box 17 is provided with a filter screen plate 18, the treatment box 17 is connected with an air outlet pipe 15, the air outlet pipe 15 is connected with an air exhaust pipe 19, the air exhaust pipe 19 is arranged on the upper wall of the other side of the pool body 1; the side walls of the air suction pipe 13 and the air exhaust pipe 19 are both provided with air holes 14, the air holes 14 are provided with filter cloths 15, and the air outlet pipe 15 is provided with a power pump 20.

[0029] The pool body 1 is a pool body structure with an open top wall, the upper wall of the pool body 1 is provided with a fixing hole 21, and the fixing hole 21 matches a fixing block 23 of a pool plate 22. The pool body 1 is connected with a sludge discharge pipe 9 at the lower part, and the sludge discharge pipe 9 is provided with a control valve 24.

[0030] Working process: the placing box 3 is arranged on the clamping groove 2 of the pool body 1, the pump body 11 is arranged in the placing box 3, the water conveying pipe 12 of the pump body 11 extends and is arranged through the through hole 8 of the cover plate 4, the side wall of the placing box 3 is provided with a connecting frame 6, the upper side wall of the pool body 1 is provided with a fixing frame 7, the fixing holes 10 of the connecting frame 6 and the fixing holes 10 of the fixing frame 7 are connected through screws; the placing box 3 can be conveniently moved up and down on the clamping groove 2 of the pool body 1 and then fixed according to needs. When maintenance is needed, the placing box 3 is fixed on the upper part of the clamping groove 2 of the pool body 1, so that the placing box 3 can be conveniently opened, and the pump body 11 can be maintained or replaced. After the pump body 11 is maintained or replaced, the placing box 3 is fixed on the lower part of the clamping groove 2 of the pool body 1.

[0031] The pool body 1 generates hydrogen sulfide gas during treatment, and the hydrogen sulfide gas may cause poisoning when the staff operates. The upper wall of one side of the pool body 1 is provided with an air suction pipe 13, the gas enters through the air holes 14 of the air suction pipe 13, then enters the treatment box 17 through the air inlet pipe 16, a plurality of filter screen plates 18 are arranged in the treatment box 17, dryers are filled between the filter screen plates 18 on the two sides, and adsorbents are filled between the filter screen plates 18 in the middle. In this way, the entering gas can be conveniently dried first and then adsorbed, and the adsorbed gas can be conveniently output after drying through the air outlet pipe 15, the air exhaust pipe 19 and the air holes 14 on the air exhaust pipe 19, so that the treated gas can be conveniently output.

[0032] The fixing block 23 of the pool plate 22 can be placed at the fixing hole 21 of the pool body 1 according to needs, and the sludge in the pool body 1 is output through the sludge discharge pipe 9.

[0033] While the present application has been described with reference to the numerous explanatory embodiments thereof, it is to be understood that various other modifications can be effected within the scope of the application, as described in the claims. More specifically, many variations and modifications will be apparent to those skilled in the art from the description and drawings herein, given the benefit of the description, drawings and claims as a whole. Other uses will be apparent to those skilled in the art.

Claims

1. A concentration tank for sewage treatment, characterized by: Include: Pool body (1), card slot (2), put box (3), cover plate (4), flow through the mouth (5), connecting frame (6), pump body (11), water pipe (12); The side wall of the pool body (1) is provided with a card slot (2), and the card slot (2) is provided with a placing box (3), and the top of the placing box (3) is movably connected with a cover plate (4); The side wall of the placing box (3) and the cover plate (4) are provided with flow through the mouth (5), the placing box (3) is connected with the connecting frame (6), the placing box (3) is provided with a pump body (11), and the pump body (11) is connected with a water pipe (12).

2. The concentration tank for sewage treatment according to claim 1, characterized by: The upper wall of the pool body (1) is provided with a fixed frame (7); The connecting frame (6) and the fixed frame (7) are provided with fixed holes (10), and the fixed holes (10) of the connecting frame (6) and the fixed holes (10) of the fixed frame (7) are connected through screws.

3. The concentration tank for sewage treatment according to claim 1, characterized in that: The upper wall of the pool body (1) is provided with an air suction pipe (13), the air suction pipe (13) is connected with a treatment box (17) through an air inlet pipe (16), the treatment box (17) is connected with an air outlet pipe (15), the air outlet pipe (15) is connected with an exhaust pipe (19), and the exhaust pipe (19) is arranged on the other side of the upper wall of the pool body (1).

4. The concentration tank for sewage treatment according to claim 3, characterized in that: The treatment box (17) is provided with a filter screen (18).

5. The concentration tank for sewage treatment according to claim 3, characterized in that: The side wall of the air suction pipe (13) and the exhaust pipe (19) is provided with an air hole (14), the air hole (14) is provided with a filter cloth, and the air outlet pipe (15) is provided with a power pump (20).

6. The concentration tank for sewage treatment according to claim 1, characterized in that: The pool body (1) is a pool body structure with an open top wall, and the pool body (1) is connected with a sludge discharge pipe (9), and the sludge discharge pipe (9) is provided with a control valve (24).

7. The concentration tank for sewage treatment according to claim 1, characterized in that: The upper wall of the pool body (1) is provided with a fixed hole (21), and the fixed hole (21) matches the fixed block (23) of the pool plate (22).

8. The concentration tank for sewage treatment according to claim 1, characterized in that: The cover plate (4) is provided with a through hole (8), and the water pipe (12) passes through the through hole (8) of the cover plate (4).

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