CN217541569U

CN217541569U - High-efficient abandonment waste heat utilization system

Info

Publication number: CN217541569U
Application number: CN202123143920.3U
Authority: CN
Inventors: 王克文
Original assignee: Henan Mingguo Food Co ltd
Current assignee: Henan Mingguo Food Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-10-04
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a high-efficiency waste heat utilization system, which comprises a shell and a heat exchange unit; a housing: the bottom end of the outer cambered surface of the shell is provided with a water suction pump through a connecting seat, and a water inlet pipe of the water suction pump is connected with the liquid outlet of the outer cambered surface of the shell; a heat exchange unit: including copper spiral pipe and copper flight, the copper spiral pipe sets up between the wall about the inner chamber of shell, and this high-efficient abandonment waste heat utilization system has avoided the dust to block up the condition emergence that the filter screen leads to the gas permeability to be low, guarantees the purity of steam.

Description

High-efficient abandonment waste heat utilization system

Technical Field

The utility model relates to a waste heat utilization technology field specifically is a high-efficient abandonment waste heat utilization system.

Background

The waste heat utilization is under certain economic and technical conditions, the energy that is not utilized in the energy utilization equipment, namely surplus, the discarded energy, waste heat recovery utilizes to be an important way of improving economic nature, fuel saving, and along with international energy crisis and environmental pollution problem aggravation day by day, energy-conservation has been arranged into the problem that the enterprise is paid attention to day by day, in the production process of mill, can produce a large amount of high temperature flue gas often, carry a large amount of waste heat, current processing method is: the waste gas is directly discharged into the atmosphere or discharged into the atmosphere after simple treatment, the treatment mode pollutes the surrounding environment, energy is wasted wastefully, and the aim of energy conservation and emission reduction cannot be achieved, so that the prior industry generally needs a high-efficiency waste heat utilization system to achieve the purpose of high-efficiency utilization, but a large amount of dust can be stored in the existing flue gas in the discharge process, impurities can be accumulated in a gas transmission pipeline for waste heat recovery to form blockage, and the efficiency of waste heat utilization is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a high-efficient abandonment waste heat utilization system for the stroke of high-temperature gas in the copper spiral tube increases, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency waste heat utilization system comprises a shell and a heat exchange unit;

a housing: the bottom end of the outer cambered surface of the shell is provided with a water suction pump through a connecting seat, and a water inlet pipe of the water suction pump is connected with the liquid outlet of the outer cambered surface of the shell;

a heat exchange unit: the filter box comprises a copper spiral pipe and a copper spiral sheet, wherein the copper spiral pipe is arranged between the upper wall surface and the lower wall surface of an inner cavity of a shell, an air outlet of the copper spiral pipe penetrates through the upper end surface of the shell and extends to the outside, an air inlet of the copper spiral pipe penetrates through the lower end surface of the shell and is connected with an air outlet on the right surface of the filter box, and the copper spiral sheet is arranged inside the copper spiral pipe;

wherein: still include the PLC controller, the PLC controller sets up in the extrados upper end of shell, external power source is connected to the input electricity of PLC controller, the draught fan, the output of PLC controller is connected to the equal electricity of input of flow valve and suction pump, the input of PLC controller is connected to temperature sensor's output electricity, make the stroke increase of high-temperature gas in the copper spiral tube, greatly increased the time that high-temperature gas is detained in the copper spiral tube, and then make high-temperature gas and the inside water of shell abundant heat transfer, can make the water thermally equivalent in the shell, avoided the dust to block up the condition emergence that the filter screen leads to the gas permeability low, guarantee the purity of steam, prevent to have dust and granule in the steam and pollute machinery.

Further, heat transfer unit still includes the copper heat exchange tube, the copper heat exchange tube evenly sets up in the inside of copper spiral pipe, and both ends run through the surface of copper spiral pipe respectively and extend to the inside of shell about the copper heat exchange tube, can make the water thermally equivalent in the shell 1.

Further, still include the cleaning unit, the cleaning unit sets up in the outside of rose box, cleaning unit respectively with the left surface sliding connection of filter screen, guarantee the purity of steam.

Further, the cleaning unit includes electric putter, the connecting plate, the slide bar, the scraper, connecting rod and closing plate, electric putter sets up in the front surface of rose box through the assembly seat, electric putter's flexible end upper end is equipped with the connecting plate, the horizontal plate body lower surface of connecting plate is equipped with horizontal evenly distributed's slide bar, the lower extreme of slide bar runs through the inner chamber top wall face of rose box respectively and is equipped with the scraper in end department, the left surface sliding connection of the filter screen that the scraper corresponds with the homonymy respectively, the inclined plane front and back end of scraper all is equipped with the connecting rod, all be equipped with the closing plate between two vertical adjacent connecting rods, the closing plate is pegged graft with the vertical discharge gate that corresponds of rose box lower surface respectively, the output of PLC controller is connected to electric putter's the equal electricity of input, prevent that there is dust and granule in the steam and pollute machinery.

Furthermore, the cleaning unit still includes the guide platform, the guide platform transversely evenly sets up in the inner chamber diapire face of rose box, plays the effect of direction.

Furthermore, the middle part of the outer arc surface of the shell is provided with an annular mounting seat, so that workers can conveniently mount and fix the annular mounting seat.

Furthermore, the diameters of the filter holes of the filter screen are sequentially decreased from left to right, so that dust with different sizes can be filtered.

Compared with the prior art, the beneficial effects of the utility model are that: this high-efficient abandonment waste heat utilization system has following benefit:

1. the staff passes through the operation of PLC controller regulation and control draught fan, the draught fan filters in with the flue gas suction rose box of outside high temperature and through the filter screen, enter into the copper spiral pipe at last, get into the high-temperature gas in the copper spiral pipe, enable the temperature in the shell and rise, the setting of copper flight then makes the stroke increase of high-temperature gas in the copper spiral pipe, greatly increased the time that high-temperature gas is detained in the copper spiral pipe, and then make the inside water of high-temperature gas and shell abundant heat transfer, and high-temperature gas can give the copper heat exchange tube with heat transfer simultaneously, the spiral pipe gives water with heat transfer, thereby can make the water thermally equivalent in the shell, and the high temperature flue gas heat originally can become lower relatively by the temperature after being absorbed, later can be discharged into the outside by the end of giving vent to anger of copper spiral pipe.

2. The staff is regular regulates and control the electric putter function through the PLC controller, electric putter's flexible end moves down and drives the connecting plate, slide bar and scraper move down with the range simultaneously, and the scraper then can be with the filter screen filtering surface on the dust of delay accumulation scrape get, and can pass through the inclined plane direction removal to discharge gate department of guide platform by filterable large granule dust when the whereabouts, along with the scraper constantly moves down, the closing plate also can be with the vertical discharge gate separation that corresponds of rose box lower surface, and the scraper is scraped down can the dust then can be discharged through the discharge gate, then the staff can with the dust clearance of closing plate, avoided the dust to block up the condition emergence that the filter screen leads to the gas permeability low, guarantee the purity of steam, prevent to have dust and granule in the steam and pollute machinery, after this the staff passes through PLC controller regulation and control electric putter function, the flexible end of electric putter stretches out and drives the connecting plate, the slide bar, the scraper, connecting rod and closing plate rebound, until make the closing plate peg graft with the discharge gate that vertical correspondence respectively, with this seal the rose box.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the heat exchange unit of the present invention;

fig. 3 is an enlarged schematic view of the a position of the present invention.

In the figure: the device comprises a shell 1, a heat exchange unit 2, a spiral tube 21 made of copper, a spiral plate 22 made of copper, a heat exchange tube 23 made of copper, a filter box 3, a filter screen 4, a draught fan 5, a connecting tube 6, a flow valve 7, a temperature sensor 8, a water pump 9, a PLC 10, an annular mounting seat 11, a cleaning unit 12, an electric push rod 121, a connecting plate 122, a sliding rod 123, a scraper 124, a connecting rod 125, a sealing plate 126 and a material guide table 127.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a high-efficiency waste heat utilization system comprises a shell 1 and a heat exchange unit 2;

the shell 1: the shell 1 provides an installation supporting place for an accessory mechanism unit, a filter box 3 is arranged at the bottom end of the outer arc surface of the shell, the filter box 3 plays an installation role, a filter screen 4 which is transversely and uniformly distributed is arranged in an inner cavity of the filter box 3, the filter screen 4 can filter dust particles in gas, an induced draft fan 5 is arranged on the left surface of the filter box 3 through a mounting seat, the induced draft fan 5 plays a role in air draft and pressurization, an air outlet pipe of the induced draft fan 5 is connected with an air inlet of the left surface of the filter box 3, a connecting pipe 6 is arranged in a liquid inlet of the upper end surface of the shell 1, the connecting pipe 6 plays a role in connecting a water inlet pipe, a flow valve 7 is connected in series inside the connecting pipe 6, a temperature sensor 8 is arranged in a mounting hole formed in the upper end surface of the shell 1, a water suction pump 9 is arranged at the bottom end of the outer arc surface of the shell 1 through a connecting seat, a water inlet pipe of the water suction pump 9 is connected with a liquid outlet of the outer arc surface of the shell 1, the temperature sensor 8 detects water temperature in real time and synchronously transmits the water temperature to a PLC controller 10, the PLC controller then the PLC 10 judges that when the temperature exceeds a set value, the temperature, the PLC 10 regulates and the PLC 10 controls the flow valve 7 to automatically controls the flow valve 7 to stop regulating and regulate and the flow valve 7 when the flow valve 7 stops the flow valve when the flow valve to regulate and the flow valve 7, and the flow valve 7 stops the flow valve, the flow valve when the flow valve 7, the flow valve when the temperature exceeds the temperature of a set value;

the heat exchange unit 2: the heat exchange unit comprises a copper spiral pipe 21 and a copper spiral sheet 22, wherein the copper spiral pipe 21 is arranged between the upper wall surface and the lower wall surface of an inner cavity of a shell 1, an air outlet of the copper spiral pipe 21 penetrates through the upper end surface of the shell 1 and extends to the outside, an air inlet of the copper spiral pipe 21 penetrates through the lower end surface of the shell 1 and is connected with an air outlet on the right surface of a filter box 3, the copper spiral sheet 22 is arranged inside the copper spiral pipe 21, the heat exchange unit 2 further comprises a copper heat exchange pipe 23, the copper heat exchange pipe 23 is uniformly arranged inside the copper spiral pipe 21, the left end and the right end of the copper heat exchange pipe 23 penetrate through the outer surface of the copper spiral pipe 21 and extend to the inside of the shell 1, a worker regulates and controls an induced draft fan 5 to operate through a PLC (programmable logic controller) 10, and the induced draft fan 5 pumps high-temperature smoke outside into the filter box 3 and filters through a filter screen 4, the high-temperature gas enters the copper spiral pipe 21, the temperature of the water in the shell 1 can rise, the arrangement of the copper spiral sheet 22 enables the stroke of the high-temperature gas in the copper spiral pipe 21 to be increased, the detention time of the high-temperature gas in the copper spiral pipe 21 is greatly increased, the high-temperature gas and the water in the shell 1 can fully exchange heat, meanwhile, the high-temperature gas can transfer heat to the copper heat exchange pipe 23, the copper spiral pipe 21 transfers the heat to the water, the water in the shell 1 can be uniformly heated, the original high-temperature smoke heat after being absorbed can be relatively low in temperature, and then the high-temperature smoke can be discharged to the outside through the gas outlet end of the copper spiral pipe 21;

wherein: also comprises a PLC controller 10, the PLC controller 10 is arranged at the upper end of the outer cambered surface of the shell 1, the input end of the PLC controller 10 is electrically connected with an external power supply, the input of draught fan 5, flow valve 7 and suction pump 9 all connects the output of PLC controller 10 electrically, and PLC controller 10's input is connected to temperature sensor 8's output electricity, regulates and control each electrical components function.

Wherein: the cleaning device is characterized by further comprising a cleaning unit 12, the cleaning unit 12 is arranged outside the filter box 3, the cleaning unit 12 is respectively connected with the left surface of the filter screen 4 in a sliding manner, the cleaning unit 12 comprises an electric push rod 121, a connecting plate 122, sliding rods 123, scrapers 124, connecting rods 125 and sealing plates 126, the electric push rod 121 is arranged on the front surface of the filter box 3 through an assembling seat, the connecting plate 122 is arranged at the upper end of the telescopic end of the electric push rod 121, the sliding rods 123 which are uniformly distributed in the transverse direction are arranged on the lower surface of the transverse plate body of the connecting plate 122, the lower ends of the sliding rods 123 respectively penetrate through the top wall surface of the inner cavity of the filter box 3, the scrapers 124 are arranged at the ends of the sliding rods, the scrapers 124 are respectively connected with the left surface of the filter screen 4 corresponding to the same side in a sliding manner, the connecting rods 125 are arranged at the front and rear ends of the inclined surfaces of the scrapers 124, the sealing plates 126 are respectively arranged between two connecting rods 125 which are longitudinally adjacent, and the sealing plates 126 are respectively inserted into the discharge ports which are vertically corresponding to the lower surface of the filter box 3, the input end of the electric push rod 121 is electrically connected to the output end of the PLC controller 10, the cleaning unit 12 further includes a material guiding table 127, the material guiding table 127 is transversely and uniformly disposed on the bottom wall surface of the inner cavity of the filtering box 3, the worker regularly regulates and controls the operation of the electric push rod 121 through the PLC controller 10, the telescopic end of the electric push rod 121 moves down to drive the connecting plate 122, the sliding rod 123 and the scraper 124 to move down simultaneously and in the same range, the scraper 124 scrapes accumulated dust on the filtering surface of the filtering net 4, the filtered large-particle dust moves to the discharge port through the slope guide of the material guiding table 127 when falling down, the sealing plate 126 is separated from the discharge port vertically corresponding to the lower surface of the filtering box 3 as the scraper 124 moves down continuously, the dust scraped by the scraper 124 is discharged through the discharge port, and then the worker cleans the dust of the sealing plate 126, avoided the dust to block up the condition emergence that filter screen 4 leads to the gas permeability to be low, guarantee the purity of steam, prevent to have dust and granule in the steam to pollute machinery, the staff passes through PLC controller 10 regulation and control electric putter 121 function after this, electric putter 121 stretches out and draws back the end and drives connecting plate 122, slide bar 123, scraper 124, connecting rod 125 and closing plate 126 rebound, it pegs graft with the vertical discharge gate that corresponds respectively to make closing plate 126, with this to seal rose box 3.

Wherein: the middle part of the outer arc surface of the shell 1 is provided with an annular mounting seat 11, so that workers can conveniently mount and fix the annular mounting seat.

Wherein: the diameters of the filter holes of the filter screen 4 are gradually decreased from left to right, and dust with different sizes can be filtered.

The utility model provides a pair of high-efficient abandonment waste heat utilization system's theory of operation as follows: firstly, a worker connects an air inlet of an induced draft fan 5 with an industrial smoke outlet, then connects an external water outlet pipe with a connecting pipe 6, then connects a water outlet of a water pump 9 with an external heating outlet, then the worker regulates and controls the operation of the induced draft fan 5 through a PLC (programmable logic controller) 10, the induced draft fan 5 pumps external high-temperature smoke into a filter box 3 and filters the smoke through a filter screen 4, and finally the smoke enters a copper spiral pipe 21, high-temperature gas entering the copper spiral pipe 21 can raise the water temperature in a shell 1, the arrangement of a copper spiral sheet 22 increases the stroke of the high-temperature gas in the copper spiral pipe 21, the detention time of the high-temperature gas in the copper spiral pipe 21 is greatly increased, further the high-temperature gas can fully exchange heat with water in the shell 1, meanwhile, the high-temperature gas can transfer heat to a copper heat exchange pipe 23, and the copper spiral pipe 21 transfers the heat to water, therefore, water in the shell 1 can be uniformly heated, the temperature of the original high-temperature flue gas can become relatively low after being absorbed, then the high-temperature flue gas can be discharged to the outside through the air outlet end of the copper spiral pipe 21, the temperature sensor 8 detects the water temperature in real time and synchronously transmits the water temperature to the PLC 10, then the temperature is judged by the PLC 10, when the temperature exceeds a set value, the PLC 10 regulates and controls the operation of the water pump 9, the water pump 9 conveys hot water in the shell 1 to a pipeline of a heating user, after the conveying is finished, the PLC 10 regulates and controls the operation of the water pump 9, then the flow valve 7 is regulated and controlled, when the water enters the shell 1 through the flow valve 7, the flow valve 7 can be metered and judged through a single chip microcomputer of the PLC 7, when the water amount reaches the peak, the flow valve 7 is automatically and periodically closed, and then a worker regulates and controls the operation of the electric push rod 121 through the PLC 10, the telescopic end of the electric push rod 121 moves downwards to drive the connecting plate 122, the sliding rod 123 and the scraper 124 move downwards at the same amplitude, the scraper 124 scrapes accumulated dust on the filtering surface of the filtering net 4, the filtered large-particle dust can move to the discharge port through the inclined plane guide of the material guide table 127 when falling, along with the continuous downward movement of the scraper 124, the sealing plate 126 can be separated from the discharge port vertically corresponding to the lower surface of the filtering box 3, the dust scraped by the scraper 124 can be discharged through the discharge port, then a worker can clean the dust of the sealing plate 126, the situation that the dust blocks the filtering net 4 to cause low air permeability is avoided, the purity of hot air is guaranteed, the pollution of the dust and the particles in the hot air to the machine is prevented, the worker regulates and controls the operation of the electric push rod 121 through the PLC 10, the telescopic end of the electric push rod 121 stretches out to drive the connecting plate 122, the sliding rod 123, the scraper 124, the connecting rod 125 and the sealing plate 126 move upwards until the sealing plate 126 is respectively inserted into the vertically corresponding discharge port, and the filtering box 3 is sealed.

It is to be noted that the core chip of the PLC controller 10 disclosed in the above embodiment is a PLC single chip, the specific model is S7-200, the induced draft fan 5, the flow valve 7, the temperature sensor 8 and the water pump 9 may be freely configured according to an actual application scenario, the induced draft fan 5 may be an induced draft fan with model JL125, the flow valve 7 may be a flow valve with model LIQZO-LES-PS-402L4/I, the temperature sensor 8 may be a temperature sensor with model WR series, the water pump 9 may be a water pump with model XBD5.2/25G-L, and the PLC controller 10 controls the induced draft fan 5, the flow valve 7, the temperature sensor 8 and the water pump 9 to operate by a method commonly used in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient abandonment waste heat utilization system which characterized in that: comprises a shell (1) and a heat exchange unit (2);

housing (1): the bottom end of the outer arc surface of the shell is provided with a filter box (3), an inner cavity of the filter box (3) is provided with a filter screen (4) which is transversely and uniformly distributed, the left surface of the filter box (3) is provided with an induced draft fan (5) through a mounting seat, an air outlet pipe of the induced draft fan (5) is connected with an air inlet of the left surface of the filter box (3), a connecting pipe (6) is arranged in a liquid inlet of the upper end surface of the shell (1), the inside of the connecting pipe (6) is connected in series with a flow valve (7), a temperature sensor (8) is arranged in a mounting hole formed in the upper end surface of the shell (1), the bottom end of the outer arc surface of the shell (1) is provided with a water suction pump (9) through a connecting seat, and a water inlet pipe of the water suction pump (9) is connected with a liquid outlet of the outer arc surface of the shell (1);

heat exchange unit (2): the filter box comprises a copper spiral pipe (21) and a copper spiral sheet (22), wherein the copper spiral pipe (21) is arranged between the upper wall surface and the lower wall surface of an inner cavity of a shell (1), an air outlet of the copper spiral pipe (21) penetrates through the upper end surface of the shell (1) and extends to the outside, an air inlet of the copper spiral pipe (21) penetrates through the lower end surface of the shell (1) and is connected with an air outlet in the right surface of a filter box (3), and the copper spiral sheet (22) is arranged inside the copper spiral pipe (21);

wherein: still include PLC controller (10), PLC controller (10) set up in the extrados upper end of shell (1), and external power source is connected to the input electricity of PLC controller (10), and the output of PLC controller (10) is connected to the equal electricity of input of draught fan (5), flow valve (7) and suction pump (9), and the input of PLC controller (10) is connected to the output electricity of temperature sensor (8).

2. The efficient waste heat utilization system as claimed in claim 1, wherein: the heat exchange unit (2) further comprises a copper heat exchange tube (23), the copper heat exchange tube (23) is uniformly arranged inside the copper spiral tube (21), and the left end and the right end of the copper heat exchange tube (23) respectively penetrate through the outer surface of the copper spiral tube (21) and extend to the inside of the shell (1).

3. The efficient waste heat utilization system as claimed in claim 1, wherein: still include cleaning unit (12), cleaning unit (12) set up in the outside of rose box (3), cleaning unit (12) respectively with the left surface sliding connection of filter screen (4).

4. The efficient waste heat utilization system as claimed in claim 3, wherein: the cleaning unit (12) comprises an electric push rod (121), a connecting plate (122), a sliding rod (123), a scraper (124), a connecting rod (125) and a sealing plate (126), the electric push rod (121) is arranged on the front surface of the filter box (3) through an assembling seat, the upper end of the telescopic end of the electric push rod (121) is provided with the connecting plate (122), the lower surface of the transverse plate body of the connecting plate (122) is provided with the sliding rod (123) which is transversely and uniformly distributed, the lower end of the sliding rod (123) penetrates through the top wall surface of an inner cavity of the filter box (3) respectively and is provided with the scraper (124) at the end, the scraper (124) is connected with the left surface of the filter screen (4) corresponding to the same side respectively, the front end and the rear end of the inclined surface of the scraper (124) are provided with the connecting rod (125), the sealing plate (126) is arranged between two adjacent connecting rods (125) in the longitudinal direction, the sealing plate (126) is connected with a discharge hole corresponding to the lower surface of the filter box (3) in the vertical direction respectively, and the input end of the electric push rod (121) is electrically connected with the output end of the PLC controller (10).

5. The efficient waste heat utilization system as claimed in claim 4, wherein: the cleaning unit (12) further comprises a material guiding table (127), and the material guiding table (127) is transversely and uniformly arranged on the bottom wall surface of the inner cavity of the filter box (3).

6. The efficient waste heat utilization system as claimed in claim 1, wherein: and an annular mounting seat (11) is arranged in the middle of the outer arc surface of the shell (1).

7. The efficient waste heat utilization system as claimed in claim 1, wherein: the diameters of the filter holes of the filter screen (4) are sequentially decreased from left to right.