CN211169945U

CN211169945U - Papermaking waste water air supporting formula processing apparatus

Info

Publication number: CN211169945U
Application number: CN201921325467.8U
Authority: CN
Inventors: 谭桂红
Original assignee: Hubei Xinwu Regeneration Resource Technology Development Co ltd
Current assignee: Hubei Xinwu Regeneration Resource Technology Development Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-08-04
Anticipated expiration: 2029-08-15

Abstract

The utility model provides an air-floating treatment device for papermaking wastewater, which comprises a wastewater collection tank, wherein a first spiral scraper is arranged at the bottom of the wastewater collection tank, a second spiral scraper is arranged at the top of the wastewater collection tank, an air blow pipe is arranged inside the wastewater collection tank, the input end of the air blow pipe is connected with the output end of an air generation device, a flocculating agent adding pipe is arranged at the side part of the wastewater collection tank, and a plurality of liquid outlet sieve pores are arranged on the bottom plate of the wastewater collection tank; the utility model discloses a spiral scraper that sets up from top to bottom can separate the flocculate and the waste water while of floating in waste water surface, settling in the waste water bottom, and two sets of spiral scrapes the device and passes through same actuating mechanism drive moreover, have retrencied the system greatly, have also improved waste water treatment efficiency.

Description

Papermaking waste water air supporting formula processing apparatus

Technical Field

The utility model relates to a papermaking waste water treatment technical field specifically indicates a papermaking waste water air supporting formula processing apparatus.

Background

The waste water of paper making industry can be divided into sulfate pulp waste water and sulfite pulp waste water, wherein the waste water discharged in the pulp process is the most seriously polluted, black brown waste water is discharged in pulp washing and is called black liquor, the waste water discharged in the bleaching process contains substances such as acid, alkali and BOD (100-300 mg/L), the waste water discharged in front of a paper machine is called white water in the paper making process, the black liquor and the white water are main waste water of the paper making industry, the paper making waste water contains a large amount of organic matters and suspended matters and contains a large amount of chemical medicines and impurities and is one of main pollution sources of water in China.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough, provide a papermaking waste water air supporting formula processing apparatus, can clear away simultaneously and float in the residue on waste water surface and deposit the flocculation thing in the waste water bottom, improve waste water treatment efficiency.

The utility model discloses a solve above-mentioned technical problem, the technical scheme who adopts is: the utility model provides a papermaking waste water air supporting formula processing apparatus, includes the wastewater collection groove, wastewater collection groove bottom is equipped with first spiral scraper, and the wastewater collection groove top is equipped with second spiral scraper, the inside gas blow pipe that is equipped with of wastewater collection groove, the gas blow pipe input is connected with the air generator output, the wastewater collection groove lateral part is equipped with the flocculating agent and adds the pipe, and a plurality of play liquid sieve meshes have been seted up to the wastewater collection groove bottom plate.

Preferably, first spiral scraper includes that the level locates the first rotation axis of waste water collecting tank bottom, be equipped with first helical blade on the first rotation axis, first rotation axis input passes fixed cylinder and is connected with the first bevel gear of vertical setting, first bevel gear meshes with the second bevel gear of horizontal setting, the second bevel gear suit is fixed in on the vertical axle, vertical axle bottom and motor output shaft.

Preferably, a sewage draining channel is arranged at the bottom of the fixing barrel, a baffle plate is hinged to the bottom of the sewage draining channel, a first collecting tank is arranged below the baffle plate, the bottom surface of the baffle plate is hinged to the top of a first telescopic rod, and the bottom of the first telescopic rod is hinged to the top of the first collecting tank.

Preferably, the second spiral scraper comprises a third bevel gear fixed at the top of the vertical shaft in a sleeved mode, the third bevel gear is meshed with a fourth bevel gear vertically arranged, the center of the fourth bevel gear is connected with one end of a second rotating shaft horizontally arranged, a second spiral blade is arranged on the surface of the second rotating shaft, a sewage draining outlet is formed in one side of the top of the wastewater collecting tank, and a second collecting tank is arranged on the lower side of the sewage draining outlet.

Preferably, the middle part of the vertical shaft is sleeved in the limiting bearing, and the side part of the limiting bearing is fixed on the side wall of the wastewater collection tank through the supporting plate.

Preferably, the bottom of the liquid outlet sieve pore is hinged with a plugging plate, a middle collecting tank is arranged below the plugging plate, the bottom of the plugging plate is hinged with the top of a second telescopic rod, and the bottom of the second telescopic rod is hinged with the top of the middle collecting tank.

Preferably, the air blowing pipe is horizontally arranged, the surface of the air blowing pipe is vertically provided with a plurality of air blowing branch pipes, and the air generating device is an air compressor or an air blower.

The utility model has the advantages that:

the utility model discloses a spiral scraper that sets up from top to bottom can separate the flocculate and the waste water while of floating in waste water surface, settling in the waste water bottom, and two sets of spiral scrapes the device and passes through same actuating mechanism drive moreover, have retrencied the system greatly, have also improved waste water treatment efficiency.

Drawings

FIG. 1 is a schematic structural diagram of an air-floating treatment device for papermaking wastewater.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

As shown in figure 1, the papermaking wastewater air-floating type treatment device comprises a wastewater collection tank 1, wherein a first spiral scraper 2 is arranged at the bottom of the wastewater collection tank 1, a second spiral scraper 3 is arranged at the top of the wastewater collection tank 1, an air blowing pipe 4 is arranged inside the wastewater collection tank 1, the input end of the air blowing pipe 4 is connected with the output end of an air generating device 5, a flocculating agent adding pipe 6 is arranged on the side part of the wastewater collection tank 1, and a plurality of liquid outlet sieve holes 7 are formed in the bottom plate of the wastewater collection tank 1.

Preferably, the first spiral scraper 2 comprises a first rotating shaft 2.1 horizontally arranged at the bottom of the wastewater collection tank 1, the first rotating shaft 2.1 is provided with a first spiral blade 2.2, the input end of the first rotating shaft 2.1 penetrates through a fixed cylinder 2.3 and is connected with a first bevel gear 2.4 vertically arranged, the first bevel gear 2.4 is meshed with a second bevel gear 2.5 transversely arranged, the second bevel gear 2.5 is sleeved and fixed on a vertical shaft 2.6, and the bottom of the vertical shaft 2.6 is connected with an output shaft of a motor 2.7.

Preferably, a sewage channel 2.8 is arranged at the bottom of the fixed cylinder 2.3, a baffle plate 2.9 is hinged to the bottom of the sewage channel 2.8, a first collecting groove 2.10 is arranged below the baffle plate 2.9, the bottom surface of the baffle plate 2.9 is hinged to the top of a first telescopic rod 2.11, and the bottom of the first telescopic rod 2.11 is hinged to the top of the first collecting groove 2.10.

Preferably, the second spiral scraper 3 comprises a third bevel gear 3.1 fixed at the top of the vertical shaft 2.6 by sleeving, the third bevel gear 3.1 is meshed with a fourth bevel gear 3.2 vertically arranged, the center of the fourth bevel gear 3.2 is connected with one end of a second rotating shaft 3.3 horizontally arranged, a second spiral blade 3.4 is arranged on the surface of the second rotating shaft 3.3, a drain outlet 3.5 is arranged on one side of the top of the wastewater collecting tank 1, and a second collecting tank 3.6 is arranged on the lower side of the drain outlet 3.5.

Preferably, the middle part of the vertical shaft 2.6 is sleeved in the limit bearing 2.12, and the side part of the limit bearing 2.12 is fixed on the side wall of the wastewater collection tank 1 through the support plate 2.13.

Preferably, the bottom of the liquid outlet sieve pore 7 is hinged with a plugging plate 8, a middle collecting groove 9 is arranged below the plugging plate 8, the bottom of the plugging plate 8 is hinged with the top of a second telescopic rod 10, and the bottom of the second telescopic rod 10 is hinged with the top of the middle collecting groove 9.

Preferably, the air blowing pipe 4 is horizontally arranged, the surface of the air blowing pipe is vertically provided with a plurality of air blowing branch pipes 4.1, and the air generating device 5 is an air compressor or an air blower.

The utility model discloses the theory of operation as follows:

firstly, papermaking wastewater (such as wastewater in the production process of corrugated medium) is introduced into a wastewater collection tank 1, then a flocculant is added into the wastewater collection tank 1 through a flocculant addition pipe 6, a polyacrylamide flocculant is adopted in the embodiment, then an air generating device 5 is started, air is blown into the wastewater collection tank 1 through an air blowing pipe 4 and an air blowing branch pipe 4.1, the effects of stirring and dispersing the flocculant into the wastewater as soon as possible are achieved, and the air generating device 5 stops working after air blowing for a period of time; then, the motor 2.7 is started, so that the vertical shaft 2.6 rotates, the second bevel gear 2.5 and the third bevel gear 3.1 rotate along with the vertical shaft, the fourth bevel gear 3.2 and the second rotating shaft 3.3 rotate along with the vertical shaft, and finally the second spiral blade 3.4 rotates, residues floating on the surface of the wastewater can be continuously scraped to move to the position of the sewage discharge outlet 3.5 in the rotating process of the second spiral blade 3.4, and finally the residues are discharged from the sewage discharge outlet 3.5 and enter the second collecting tank 3.6 to be collected; after the residue on the surface of the wastewater is collected, the second telescopic rod 10 (in this embodiment, a hydraulic telescopic rod structure is selected) is started to enable the blocking plate 8 to rotate downwards, so that the blocking of the liquid outlet sieve pore 7 is removed, and the wastewater in the wastewater collection tank 1 flows into the middle collection tank 9 to be collected after being filtered by the liquid outlet sieve pore 7, so that the subsequent treatment process is facilitated; after the wastewater in the wastewater collection tank 1 completely flows out, the first telescopic rod 2.11 (a hydraulic telescopic rod structure is selected in the embodiment) is started, so that the baffle plate 2.9 rotates downwards, and the second bevel gear 2.5 can drive the first bevel gear 2.4 to rotate in the rotating process, so that the first rotating shaft 2.1 drives the first helical blade 2.2 to also rotate along with the first bevel gear, flocculates deposited at the bottom of the wastewater can be continuously scraped to move to the sewage discharge channel 2.8 in the rotating process of the first helical blade 2.2, and when the baffle plate 2.9 is opened downwards, the flocculates can fall into the first collection tank 2.10 to be collected; therefore, the device in the embodiment can simultaneously separate the residue floating on the surface of the wastewater, the flocculate settled at the bottom of the wastewater and the wastewater; in addition, a plurality of sets of spiral scraping devices can be arranged according to the specific size of the wastewater collecting tank 1, so that the whole wastewater surface and the bottom can be comprehensively covered, and the treatment effect is enhanced.

Claims

1. An air-floating treatment device for papermaking wastewater comprises a wastewater collecting tank (1), and is characterized in that: waste water collecting vat (1) bottom is equipped with first spiral scraper (2), and waste water collecting vat (1) top is equipped with second spiral scraper (3), waste water collecting vat (1) inside is equipped with gas blow pipe (4), and gas blow pipe (4) input is connected with air generator (5) output, waste water collecting vat (1) lateral part is equipped with flocculating agent and adds pipe (6), and a plurality of play liquid sieve meshes (7) have been seted up to waste water collecting vat (1) bottom plate.

2. The air-floating treatment device for papermaking wastewater according to claim 1, characterized in that: first spiral scraper (2) locate waste water collecting vat (1) bottom first rotation axis (2.1) including the level, be equipped with first helical blade (2.2) on first rotation axis (2.1), first rotation axis (2.1) input passes fixed cylinder (2.3) and is connected with vertical first bevel gear (2.4) that sets up, first bevel gear (2.4) and horizontal second bevel gear (2.5) meshing that sets up, second bevel gear (2.5) suit is fixed in on vertical axle (2.6), vertical axle (2.6) bottom and motor (2.7) output shaft.

3. The air-floating treatment device for papermaking wastewater according to claim 2, characterized in that: fixed cylinder (2.3) bottom is equipped with sewage pipes (2.8), articulated striker plate (2.9) that is equipped with in sewage pipes (2.8) bottom, striker plate (2.9) below is equipped with first collecting vat (2.10), and striker plate (2.9) bottom surface is connected with first telescopic link (2.11) top is articulated, and first telescopic link (2.11) bottom is connected with first collecting vat (2.10) top is articulated.

4. The air-floating treatment device for papermaking wastewater according to claim 2, characterized in that: second spiral scraper (3) are fixed in third bevel gear (3.1) at vertical axle (2.6) top including the suit, third bevel gear (3.1) and fourth bevel gear (3.2) the meshing of vertical setting, fourth bevel gear (3.2) center is connected with second rotation axis (3.3) one end that the level set up, and second rotation axis (3.3) surface is equipped with second helical blade (3.4), drain (3.5) have been seted up to waste water collecting vat (1) top one side, drain (3.5) downside is equipped with second collecting vat (3.6).

5. The air-floating treatment device for papermaking wastewater according to claim 2, characterized in that: in vertical axle (2.6) middle part cover was located spacing bearing (2.12), spacing bearing (2.12) lateral part was fixed in waste water collecting vat (1) lateral wall through backup pad (2.13).

6. The air-floating treatment device for papermaking wastewater according to claim 1, characterized in that: go out liquid sieve mesh (7) bottom and articulate and be equipped with shutoff board (8), shutoff board (8) below is equipped with middle collecting vat (9), and shutoff board (8) bottom is articulated with second telescopic link (10) top and is connected, and second telescopic link (10) bottom is articulated with middle collecting vat (9) top and is connected.

7. The air-floating treatment device for papermaking wastewater according to claim 1, characterized in that: the air blowing pipe (4) is horizontally arranged, a plurality of air blowing branch pipes (4.1) are vertically arranged on the surface of the air blowing pipe, and the air generating device (5) is an air compressor or an air blower.