CN214936502U

CN214936502U - Waste water heat energy reflux unit of pulping and papermaking

Info

Publication number: CN214936502U
Application number: CN202120537673.6U
Authority: CN
Inventors: 陈务平; 任浩; 丁霞; 赵利
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-30
Anticipated expiration: 2031-03-15

Abstract

The utility model belongs to the technical field of the heat energy backward flow, specifically disclose a waste water heat energy reflux unit of pulping and papermaking, including the backward flow case, backward flow cabin and waterlogging caused by excessive rainfall cabin have been seted up in the backward flow case, and the top in waterlogging caused by excessive rainfall cabin and the bottom intercommunication in backward flow cabin, the fixed interlude in top of backward flow case has the cartridge filter, the fixed waterlogging caused by excessive rainfall sleeve that has cup jointed in the waterlogging caused by excessive rainfall cabin, and the bottom of cartridge filter run through the waterlogging caused by excessive rainfall cabin and with the telescopic top fixed connection of waterlogging caused by excessive rainfall in it and rather than inside intercommunication. This waste water heat energy reflux unit of pulping and papermaking compares with the waste water heat energy reflux unit of current ordinary pulping and papermaking, crosses the setting of inlet tube, can discharge the sewage that contains solid contaminant into the cartridge filter, makes solid contaminant can not fill the backward flow cabin, and the speed of effectual improvement heat energy backward flow through the setting of auger rod and cartridge filter, makes the solid contaminant filtration of waste water and carry downwards to further driping moisture discharge under the cooperation of feed wheel and waterlogging caused by excessive rainfall telescopic.

Description

Waste water heat energy reflux unit of pulping and papermaking

Technical Field

The utility model relates to a heat energy backward flow technical field specifically is a waste water heat energy reflux unit of pulping and papermaking.

Background

The pulping is to use mechanical method, chemical method or combination method to dissociate plant fiber material into natural color pulp or bleached pulp, the paper making is to combine the pulp fiber suspended in water into paper sheet meeting various requirements through various processing, and the waste water heat energy reflux device of pulping and paper making is a device to reflux and reuse the heat energy in the waste water produced in the pulping and paper making process.

The prior patent (publication number: CN207862685U) discloses a waste water heat energy reflux device for pulping and papermaking, and the following problems in the prior art are found in the process of realizing the scheme, and are not well solved: 1. most of solid pollutants exist in the waste water of pulping and papermaking, so that the heat energy backflow speed is low, the waste water is scattered and filled in the device body under the stirring of the stirring rod, but large flocks are easily formed at four corners inside the device body, so that a pipeline is blocked and accumulated in the device body, the normal operation of machinery is influenced, and the treatment difficulty of subsequent waste water is also improved; 2. and the heat collecting plates are concentrated at the top in the device body, so that the heat collecting area is small, and the heat energy loss is large in the backflow process.

Aiming at the situation, technical innovation is carried out on the basis of the existing waste water heat energy reflux device for pulping and papermaking.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waste water heat energy reflux unit of pulping and papermaking to provide following not enough in solving above-mentioned background art: 1. the heat energy backflow speed is slow, and solid pollutants easily block the pipeline; 2. the heat collecting plate has small heat collecting area and large heat energy loss.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a waste water heat energy reflux device for pulping and papermaking comprises a reflux box, wherein a reflux cabin and a draining cabin are arranged in the reflux box, the top of the draining cabin is communicated with the bottom of the reflux cabin, a filter cylinder is fixedly inserted into the top of the reflux box, a draining sleeve is fixedly sleeved in the draining cabin, the bottom of the filter cylinder penetrates through the draining cabin and is fixedly connected with the top of the draining sleeve in the filter cylinder and is communicated with the inside of the filter cylinder, the bottom end of the draining sleeve penetrates through the reflux box and extends to the outer side of the reflux box, the top of the filter cylinder is fixedly connected with a first motor, a screw rod is movably sleeved in the filter cylinder, the output end of the first motor penetrates through the filter cylinder and is fixedly connected with the top end of the screw rod in the filter cylinder, a feeding wheel is movably sleeved in the draining sleeve, a second motor is fixedly connected with one side of the draining sleeve, the output end of the second motor penetrates through the draining sleeve and is fixedly connected with one end of the feeding wheel in the draining sleeve, the heat collecting device comprises a backflow tank, a heat collecting tube, a backflow tank, a heat collecting tube, a water inlet tube, a water outlet tube and a water outlet tube, wherein the two heat collecting plates are fixedly connected to the top of the backflow tank, the heat collecting tube is fixedly connected to one side, opposite to the two heat collecting plates, of the heat collecting tube, the heat collecting tube is fixedly sleeved on the two heat conducting core rods, one ends of the two heat conducting core rods penetrate through the backflow tank and are fixedly connected with one sides of the two heat collecting plates in the backflow tank respectively, one side of the backflow tank is fixedly connected with the water inlet tube communicated with the inside of the backflow tank, and the two water outlet tubes communicated with the inside of the backflow tank are fixedly connected with one side of the backflow tank.

Furthermore, the outer wall of the filter cylinder is provided with a filter sieve pore penetrating through the inner wall of the filter cylinder, the filter sieve pore is matched with the backflow cabin in height, and the spiral blades of the auger stem are provided with no less than 10 through holes.

Furthermore, the outer wall of the draining sleeve is provided with a draining hole penetrating through the inner wall of the draining sleeve, and the bottom end of the draining sleeve is fixedly connected with a switch valve.

Furthermore, three grooves are formed in the outer wall of the feeding wheel at equal intervals, and the diameter of the feeding wheel is matched with the inner diameter of the draining sleeve.

Furthermore, drainage slopes are formed at the bottoms of the inner walls of the backflow cabin and the draining cabin, and the two water outlet pipes are arranged at the lower positions of the two drainage slopes respectively.

Furthermore, the heat collecting tube is of a spiral tube structure, and the two heat collecting plates are respectively and fixedly connected to the opposite sides of the heat collecting tube.

Furthermore, the heat collecting tube and the heat collecting plate are made of high heat conduction metal.

Furthermore, the outer wall of the return box is fixedly bonded with a heat preservation and insulation material, and the outer wall of the heat energy output pipe is fixedly sleeved with a heat insulation sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model can discharge the sewage containing solid pollutants into the filter cylinder through the arrangement of the water inlet pipe, so that the solid pollutants can not fill the backflow cabin, the speed of heat energy backflow is effectively improved, and meanwhile, the rotating auger rod can drive the wastewater to flow, thereby further releasing heat energy;

(2) the utility model discloses a through the setting of auger rod and cartridge filter, make the solid pollutant in the waste water can pass through the filtration and down transport to further drip dry moisture under the cooperation of delivery wheel and waterlogging caused by excessive rainfall sleeve and discharge, avoid the pipeline to block up, and the efficiency of follow-up waste water treatment is effectively improved, reach energy-concerving and environment-protective purpose, accord with the development trend of current social technique, simple structure, and the practicality is stronger;

(3) the utility model discloses a contact area with waste water can effectually be increaseed in the setting of spiral thermal-collecting tube to through the setting of two thermal-collecting plates and heat conduction core bar, make heat energy transmission speed faster, can draw the heat energy in the waste water and carry out the heat transfer, greatly reduced the loss of heat energy conduction in-process heat energy simultaneously, it is more reasonable to design.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic front sectional view of the structure of the present invention;

fig. 4 is the utility model discloses the telescopic drawing of bowing open of structure waterlogging caused by excessive rainfall.

The list of components represented by the various reference numbers in the figures is as follows: 1-a reflux box; 2-a reflux cabin; 3-draining chamber; 4-a filter cartridge; 5-a draining sleeve; 6-a first motor; 7-a screw rod; 8-a feeding wheel; 9-a second motor; 10-a heat collecting plate; 11-heat collecting pipe; 12-a thermally conductive core rod; 13-a thermal energy output pipe; 14-a water inlet pipe; 15-water outlet pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a waste water heat energy reflux device for pulping and papermaking comprises a reflux box 1, a reflux cabin 2 and a draining cabin 3 are arranged in the reflux box 1, the top of the draining cabin 3 is communicated with the bottom of the reflux cabin 2, a filter cylinder 4 is fixedly inserted into the top of the reflux box 1, a draining sleeve 5 is fixedly sleeved in the draining cabin 3, the bottom of the filter cylinder 4 penetrates through the draining cabin 3 and is fixedly connected with the top of the draining sleeve 5 therein and is communicated with the inside thereof, the bottom end of the draining sleeve 5 penetrates through the reflux box 1 and extends to the outside thereof, the top of the filter cylinder 4 is fixedly connected with a first motor 6, an auger rod 7 is movably sleeved in the filter cylinder 4, the output end of the first motor 6 penetrates through the filter cylinder 4 and is fixedly connected with the top end of the auger rod 7 therein, the outer wall of the filter cylinder 4 is provided with a filter mesh penetrating through the inner wall thereof, and the height of the filter mesh is matched with the height of the reflux cabin 2, the spiral blade of the auger stem 7 is provided with at least 10 through holes, the inside of the draining sleeve 5 is movably sleeved with a feeding wheel 8, one side of the draining sleeve 5 is fixedly connected with a second motor 9, the outer wall of the draining sleeve 5 is provided with a draining hole penetrating to the inner wall of the draining sleeve, the bottom end of the draining sleeve 5 is fixedly connected with a switch valve, the outer wall of the feeding wheel 8 is equidistantly provided with three grooves, the diameter of the feeding wheel 8 is matched with the inner diameter of the draining sleeve 5, the output end of the second motor 9 penetrates through the draining sleeve 5 and is fixedly connected with one end of the feeding wheel 8 inside the draining sleeve, the top of the backflow cabin 2 is fixedly connected with two heat collecting plates 10, the opposite sides of the two heat collecting plates 10 are fixedly connected with heat collecting pipes 11, the heat collecting pipes 11 are fixedly sleeved on the outer side of the filter cylinder 4, the heat collecting pipes 11 and the heat collecting plates 10 are made of high heat conducting metal, and the heat collecting pipes 11 are of a spiral pipe structure, two thermal-arrest boards 10 are respectively fixed connection in the one side that thermal-arrest pipe 11 carried on the back mutually, the equal two heat conduction core bars 12 of the equal fixedly connected with in both sides of backward flow case 1, and it has heat energy output tube 13 all to fix the cover on two heat conduction core bars 12, and the one end of two heat conduction core bars 12 run through backward flow case 1 respectively and with one side fixed connection of two thermal-arrest boards 10 in it, the fixed heat preservation thermal insulation material that bonds of outer wall of backward flow case 1, and the fixed heat insulating covering that has cup jointed of outer wall of heat energy output tube 13, one side fixedly connected with of cartridge filter 4 is rather than the inlet tube 14 of inside intercommunication, two outlet pipes 15 rather than inside intercommunication of backward flow case 1 one side fixedly connected with, the drainage slope has all been seted up to the bottom of backward

flow cabin

2 and 3 inner walls of waterlogging caused by excessive rainfall, two outlet pipes 15 set up the low level at two drainage slopes respectively.

The utility model can discharge the sewage containing solid pollutants into the filter cartridge 4 through the arrangement of the water inlet pipe 14, so that the solid pollutants can not fill the backflow cabin 2, thereby effectively improving the speed of heat energy backflow, the solid pollutants in the sewage can be filtered and conveyed downwards through the arrangement of the auger rod 7 and the filter cartridge 4, and the solid pollutants can be further drained and discharged through the matching of the feeding wheel 8 and the draining sleeve 5, thereby avoiding pipeline blockage, effectively improving the efficiency of subsequent waste water treatment, achieving the purposes of energy saving and environmental protection, meeting the development trend of the current social technology, having simple structure and stronger practicability, effectively increasing the contact area with the waste water through the arrangement of the spiral heat collecting pipe 11, and leading the heat energy transmission speed to be faster through the arrangement of the two heat collecting plates 10 and the heat conducting core rod 12, extracting the heat energy in the waste water and exchanging the heat, simultaneously greatly reducing the loss of the heat energy in the heat energy conduction process, the design is more reasonable.

In the utility model, when the user uses the device, firstly, the sewage containing solid pollutants is discharged into the filter cylinder 4 through the water inlet pipe 14, so that the solid pollutants can not fill the return cabin 2, the auger rod 7 is rotated by the first motor 6 to compress downwards and convey the solid pollutants in the wastewater, the second motor 9 drives the feeding wheel 8 to rotate, the solid pollutants after being compressed by the conveying part are discharged downwards, the water is further drained and discharged under the matching of the draining sleeve 5 in the rotating process, the auger rod 7 rotating at the same time can drive the wastewater to flow, the heat energy is further released, the contact area with the wastewater can be effectively increased through the arrangement of the spiral heat collecting pipe 11, the heat energy transmission speed is faster through the arrangement of the two heat collecting plates 10 and the heat conducting core rod 12, the heat energy in the wastewater can be extracted and exchanged, and the loss of the heat energy in the heat conducting process is greatly reduced, the design is more reasonable, which is the working principle of the waste water heat energy reflux device for pulping and papermaking.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The waste water heat energy reflux device for pulping and papermaking comprises a reflux box (1) and is characterized in that a reflux cabin (2) and a draining cabin (3) are arranged in the reflux box (1), the top of the draining cabin (3) is communicated with the bottom of the reflux cabin (2), a filter cartridge (4) is fixedly inserted into the top of the reflux box (1), a draining sleeve (5) is fixedly sleeved in the draining cabin (3), the bottom of the filter cartridge (4) penetrates through the draining cabin (3), is fixedly connected with the top of the draining sleeve (5) in the filter cartridge and is communicated with the inside of the filter cartridge, the bottom of the draining sleeve (5) penetrates through the reflux box (1) and extends to the outer side of the filter cartridge, a first motor (6) is fixedly connected to the top of the filter cartridge (4), a twisting rod (7) is movably sleeved in the filter cartridge (4), the output end of the first motor (6) penetrates through the filter cartridge (4) and is fixedly connected with the top of the twisting rod (7) in the filter cartridge, a feeding wheel (8) is movably sleeved in the draining sleeve (5), one side of the draining sleeve (5) is fixedly connected with a second motor (9), the output end of the second motor (9) penetrates through the draining sleeve (5) and is fixedly connected with one end of the feeding wheel (8) in the draining sleeve, the top of the backflow cabin (2) is fixedly connected with two heat collecting plates (10), one side of the two heat collecting plates (10) opposite to each other is fixedly connected with a heat collecting pipe (11), the heat collecting pipe (11) is fixedly sleeved on the outer side of the filter cartridge (4), two sides of the backflow box (1) are fixedly connected with two heat conducting core rods (12), heat energy output pipes (13) are fixedly sleeved on the two heat conducting core rods (12), one ends of the two heat conducting core rods (12) respectively penetrate through the backflow box (1) and are fixedly connected with one sides of the two heat collecting plates (10) in the backflow box, one side fixedly connected with of cartridge filter (4) is rather than inside inlet tube (14) intercommunication, return tank (1) one side fixedly connected with two outlet pipes (15) rather than inside intercommunication.

2. The wastewater heat energy reflux device for pulping and papermaking as claimed in claim 1, wherein the outer wall of the filter cylinder (4) is provided with a filter sieve hole penetrating to the inner wall thereof, the filter sieve hole is matched with the height of the reflux cabin (2), and the spiral blade of the auger stem (7) is provided with at least 10 through holes.

3. The wastewater heat energy backflow device for pulping and papermaking according to claim 1, characterized in that the outer wall of the draining sleeve (5) is provided with a draining hole penetrating to the inner wall thereof, and the bottom end of the draining sleeve (5) is fixedly connected with a switch valve.

4. The waste water heat energy backflow device for pulping and papermaking according to the claim 1, characterized in that the outer wall of the feeding wheel (8) is provided with three grooves at equal intervals, and the diameter of the feeding wheel (8) is matched with the inner diameter of the draining sleeve (5).

5. The waste water heat energy backflow device for pulping and papermaking according to claim 1, characterized in that the bottoms of the inner walls of the backflow cabin (2) and the draining cabin (3) are provided with drainage slopes, and the two water outlet pipes (15) are respectively arranged at the lower positions of the two drainage slopes.

6. The wastewater heat energy backflow device for pulping and papermaking according to claim 1, characterized in that the heat collecting tube (11) is of a spiral tube structure, and the two heat collecting plates (10) are respectively and fixedly connected to the opposite sides of the heat collecting tube (11).

7. The wastewater heat energy backflow device for pulping and papermaking according to claim 1, characterized in that the heat collecting pipes (11) and (10) are made of high heat conductivity metal.

8. The wastewater heat energy backflow device for pulping and papermaking according to claim 1, characterized in that the outer wall of the backflow box (1) is fixedly bonded with heat insulation materials, and the outer wall of the heat energy output pipe (13) is fixedly sleeved with a heat insulation sleeve.