Energy-saving residual gas and residual heat utilization device

Abstract

The invention provides an energy-saving residual gas and residual heat utilization device, and relates to the technical field of fire power generation, the energy-saving residual gas and residual heat utilization device comprises a heat exchange shell, a gas-water heat exchange assembly is arranged in the heat exchange shell, a filter assembly is arranged at the input end of the heat exchange shell, a secondary heat exchange assembly is arranged at the output end of the heat exchange shell, and a dust pressing assembly is arranged below the filter assembly; and the heat exchange adjusting assembly is used for monitoring and adjusting the heat exchange process to guarantee the working state of the air source heat pump in the secondary heat exchange assembly. The invention solves the technical problem that the residual gas and waste heat utilization device is scoured by dust and is accumulated due to lack of a dust filtering structure in the residual gas and waste heat utilization device.

Description

Technical Field

[0001] The invention belongs to the field of thermal power generation, and in particular relates to an energy-saving waste gas and waste heat utilization device. Background Art

[0002] Waste gas and waste heat refers to the heat carried by the remaining gas and the remaining heat of other heat carriers that are not fully utilized in the industrial production process, energy conversion process or other thermal processes. If this heat is not recycled, it will be wasted and may also cause thermal pollution to the environment.

[0003] Therefore, people exchange the heat carried in the waste gas through the waste gas and waste heat utilization device, but the existing waste gas and waste heat utilization device is generally directly passed into the utilization device, lacking a filtering structure for the waste gas. This practice will cause the dust contained in the waste gas to directly impact the heat exchange structure in the waste gas and waste heat utilization device, causing wear and tear on it, and causing dust to accumulate on it, affecting the efficiency of heat exchange. Summary of the invention

[0004] The present invention provides an energy-saving waste gas and waste heat utilization device to solve at least one technical problem raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention discloses an energy-saving waste gas and waste heat utilization device, comprising: a heat exchange shell, a gas-water heat exchange component is arranged in the heat exchange shell, a filter component is arranged at the input end of the heat exchange shell, a secondary heat exchange component is arranged at the output end of the heat exchange shell, and a dust suppression component is arranged below the filter component;

[0006] It also includes a heat exchange regulating component, which is used to monitor and regulate the heat exchange process to ensure the working state of the air source heat pump in the secondary heat exchange component.

[0007] Preferably, the filter assembly includes a filter box, with an air intake square tube and an exhaust square tube fixedly connected on both sides of the filter box, the exhaust square tube is bolted to the input end of the heat exchange shell, an ash falling cone barrel is bolted to the bottom of the filter box, the ash falling cone barrel is fixedly connected to an ash discharge pipe, a spiral rod is rotatably connected in the ash discharge pipe, the spiral rod is connected to the output end of the drive motor, the drive motor is bolted to the ash discharge pipe, an air bag is bolted to the top of the filter box, the air bag input end passes through and is connected to the filter box, and the air bag output end is connected to the filter structure.

[0008] Preferably, the filtering structure includes a flower plate, which is bolted to the wall of the filter box, and a plurality of open grooves are provided on the flower plate, and a blowing fixing sleeve is nested in each of the open grooves, and the blowing fixing sleeve is bolted to the flower plate, and a blowing pipe is provided in the center of the blowing fixing sleeve, and the blowing pipe is connected to the air bag, and a plurality of blowing ports are provided at the bottom of the blowing fixing sleeve, and the blowing fixing sleeve is nested and connected with plastic-burned plates at both ends of the blowing pipe, and a fixing card is bolted to the bottom of the filter box, and the fixing card and the plastic-burned plate are nested with each other.

[0009] Preferably, the air-water heat exchange assembly includes serpentine heat exchange tubes, several serpentine heat exchange tubes are inserted through and fixedly connected to the heat exchange shell, several parallel ends of the serpentine heat exchange tubes are fixedly connected to several heat exchange fins, several input ends of the serpentine heat exchange tubes are fixedly connected to a water collecting manifold, and several output ends of the serpentine heat exchange tubes are fixedly connected to a return water manifold.

[0010] Preferably, the secondary heat exchange component includes a secondary heat exchange shell, which has installation openings at the centers of the front and rear sides, the four corners between the two installation openings are connected by a socket, a gas plate heat exchanger is provided on the socket, the gas plate heat exchanger is bolted to the secondary heat exchange shell, a partition is fixedly connected inside the secondary heat exchange shell, the partition is connected to the socket, the excess air input port above the partition is bolted to the heat exchange shell, the cold end input port below the partition is bolted to the air intake fan, a one-way valve is provided in the cold end channel below the partition, and the output end of the secondary heat exchange shell is connected to a heat pump structure.

[0011] Preferably, the heat pump structure includes an air source heat pump, the circulating water input end of the air source heat pump is connected to the output end of the return water collection pipe through an insulation pipe, the air flow input end of the air source heat pump is bolted to the secondary heat exchange shell, and the air flow output end of the air source heat pump is hingedly connected to a closed cover plate.

[0012] Preferably, the dust suppression assembly includes a base, a ring die is bolted on the top of the base, a plurality of die holes are provided on the ring die, a rotating table is rotatably connected to the center of the base, a driving shaft passes through and is fixedly connected to the bottom of the rotating table, the driving shaft is connected to the output end of the reduction gearbox, a rotating motor is connected to the input end of the reduction gearbox, the reduction gearbox and the rotating motor are both bolted to the base, and a rolling structure is provided on the rotating table.

[0013] Preferably, the rolling structure includes supporting side columns, several supporting side columns are fixedly connected to the rotating table, several supporting side columns are fixedly bolted to the top ends with top covers, an eccentric rotating shaft is symmetrically rotatably connected between the top cover and the rotating table, pressure rollers are keyed to the two eccentric rotating shafts, a rotating wrench is splined to the top of the eccentric rotating shaft, an adjusting rod is bolted to the rotating wrench, the adjusting rod is slidably connected to the limit card, the limit card is fixedly connected to the top cover, a scraper is keyed to the top cover, and the scraper and the ring die slide relative to each other.

[0014] Preferably, the heat exchange adjustment component includes a control module, a data processing module, a detection module and an execution module, and the detection module includes:

[0015] Flow sensor 1: used to detect the flow of residual gas, which is arranged in the heat exchange shell;

[0016] Flow sensor 2: used to detect the flow of circulating water, which is set in the water collection manifold;

[0017] Temperature difference sensor 1: used to detect the temperature difference between the input end and the output end of the circulating water of the air-water heat exchange component, which is set on the water collection manifold and the return water manifold;

[0018] Temperature difference sensor 2: used to detect the temperature difference between the residual gas at the input end of the heat exchange shell and the output end of the secondary heat exchange shell, and is arranged between the heat exchange shell and the secondary heat exchange shell;

[0019] Temperature sensor: used to detect the temperature of the residual gas at the input end of the secondary heat exchange component, which is arranged on the secondary heat exchange shell;

[0020] The detection module is electrically connected to the data processing module, the control module is electrically connected to the data processing module and the execution module, and the control module controls the execution module to work based on the data results of the data processing module.

[0021] Preferably, the control module controls the execution module based on the data result of the data processing module, including the following steps:

[0022] Step 1: Calculate the heat exchange working coefficient W of the residual gas based on the detection values ​​of flow sensor 1, flow sensor 2, temperature difference sensor, temperature difference sensor and temperature sensor 2 h :

[0023] Where: W h is the heat transfer coefficient of the residual gas, T1 is the detection value of the temperature sensor, ΔT2 is the detection value of the temperature difference sensor 2, c2 is the specific heat capacity of the circulating water, ρ2 is the density of the circulating water, Q2 is the detection value of the flow sensor 2, ΔT1 is the detection value of the temperature difference sensor 1, η is the heat transfer coefficient of the circulating water, c1 is the specific heat capacity of the residual gas, ρ1 is the density of the residual gas, Q1 is the detection value of the flow sensor 1, T m It is the optimal operating temperature of the air source heat pump;

[0024] Step 2: Data processing module comparison h and W h0 , when W h <W h0 When based on W h Calculate the flow adjustment coefficient Q of circulating water c , when W h ≥W h0No processing is done when:

[0025] Where: W h0 is the minimum reference value of the heat transfer coefficient of the residual gas, e is the natural logarithm, and the value is 2.71828;

[0026] Step 3: The control module controls the execution module to adjust the flow rate of circulating water to Q c times. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0028] Figure 1 It is a structural schematic diagram of the present invention;

[0029] Figure 2 It is a schematic diagram of the structure of the filter assembly of the present invention;

[0030] Figure 3 It is a structural schematic diagram of the air-water heat exchange component of the present invention;

[0031] Figure 4 It is a structural schematic diagram of the secondary heat exchange component of the present invention;

[0032] Figure 5 The structure of the dust suppression assembly of the present invention is schematically shown. Figure 1 ;

[0033] Figure 6 The structure of the dust suppression assembly of the present invention is schematically shown. Figure 2 .

[0034] In the figure: 1. heat exchange shell; 2. filter assembly; 21. filter box; 22. air intake square tube; 23. exhaust square tube; 24. ash cone barrel; 25. ash discharge pipe; 26. spiral rod; 27. drive motor; 28. air bag; 3. filter structure; 31. flower plate; 32. open slot; 33. spray fixing sleeve; 34. spray pipe; 35. plastic burning plate; 36. fixing card; 4. air-water heat exchange assembly; 41. serpentine heat exchange tube; 42. heat exchange fin; 43. water collection pipe; 44. return water pipe; 5. secondary heat exchange assembly; 51. secondary heat exchange shell; 52. installation Filling mouth; 53, socket; 54, gas plate heat exchanger; 55, partition; 56, air intake fan; 57, one-way valve; 6, heat pump structure; 61, air source heat pump; 62, insulation pipe; 63, closed cover; 7, dust suppression assembly; 71, base; 72, ring die; 73, die hole; 74, turntable; 75, drive shaft; 76, reduction gearbox; 77, rotating motor; 8, rolling structure; 81, supporting side column; 82, top cover; 83, eccentric shaft; 84, pressure roller; 85, turning wrench; 86, adjusting rod; 87, limit card; 88, scraper. DETAILED DESCRIPTION

[0035] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0036] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0037] The present invention provides the following embodiments

[0038] Example 1

[0039] The embodiment of the present invention provides an energy-saving waste gas and waste heat utilization device, such as Figure 1-6 As shown, it comprises: a heat exchange shell 1, an air-water heat exchange component 4 is arranged inside the heat exchange shell 1, a filter component 2 is arranged at the input end of the heat exchange shell 1, a secondary heat exchange component 5 is arranged at the output end of the heat exchange shell 1, and a dust suppression component 7 is arranged below the filter component 2;

[0040] It also includes a heat exchange regulating component, which is used to monitor and regulate the heat exchange process to ensure the working state of the air source heat pump 61 in the secondary heat exchange component 5.

[0041] The working principle and beneficial effects of the above technical solution are as follows: when the residual gas enters the filter component 2, the filter component 2 filters and discharges the dust contained in the residual gas, and the filtered residual gas enters the air-water heat exchange component 4 for primary heat exchange between the residual gas and the circulating water, and then the residual gas after the heat exchange enters the secondary heat exchange component 5 for secondary gas heat exchange, and then is input into the air source heat pump 61 for secondary heating of the circulating water, and then the circulating water and the residual gas are discharged separately, and the filter component 2 discharges the dust and drops it into the dust pressing component 7, and the dust is pressed into a stick-shaped block and then output, and the heat exchange regulating component is used to regulate the heat exchange process so that the temperature of the residual gas when it is input into the air source heat pump 61 meets the optimal working temperature of the air source heat pump 61;

[0042] The present invention utilizes the filtering component 2 to filter the residual gas. This design can prevent the residual gas from causing dust blockage after entering the subsequent heat exchange structure, and reduce the wear of the heat exchange structure by dust. The design of the air-water heat exchange component 4 can perform preliminary heat exchange on the residual gas. This design can initially transfer the heat in the residual gas to the circulating water to the maximum extent, thereby ensuring the utilization rate of the heat in the residual gas. The design of the secondary heat exchange component 5 can increase the flow rate to improve the heat exchange efficiency by heat exchange between the air while ensuring that the total energy remains unchanged, and finally perform the final heating of the circulating water through the air source heat pump 61. The mutual cooperation between the air-water heat exchange component 4 and the secondary heat exchange component 5 can maximize the utilization of the heat in the residual gas and reduce the loss of heat in the residual gas. The design of the dust suppression component 7 can avoid pollution caused by dust and facilitate the subsequent transportation of dust. The design of the heat exchange regulating component can ensure that the energy consumption of the air source heat pump is reduced while ensuring the heat exchange efficiency, thereby making it have a better energy-saving effect.

[0043] Example 2

[0044] On the basis of Example 1, the filter assembly 2 includes a filter box 21, and the two sides of the filter box 21 are respectively fixedly connected with an air intake square tube 22 and an exhaust square tube 23, the exhaust square tube 23 is bolted to the input end of the heat exchange shell 1, and the bottom of the filter box 21 is bolted with an ash falling cone barrel 24, and the ash falling cone barrel 24 is fixedly connected with an ash discharge pipe 25. A spiral rod 26 is rotatably connected in the ash discharge pipe 25, and the spiral rod 26 is connected to the output end of the drive motor 27. The drive motor 27 is bolted to the ash discharge pipe 25. The top of the filter box 21 is bolted with an air bag 28, the input end of the air bag 28 passes through and is connected to the filter box 21, and the output end of the air bag 28 is connected to the filter structure 3.

[0045] The filtering structure 3 includes a flower plate 31, which is bolted to the wall of the filtering box 21. A plurality of open grooves 32 are provided on the flower plate 31, and a blowing fixing sleeve 33 is nested in each of the opening grooves 32. The blowing fixing sleeve 33 is bolted to the flower plate 31. A blowing pipe 34 is provided in the center of the blowing fixing sleeve 33, and the blowing pipe 34 is connected to the air bag 28. A plurality of blowing ports are provided at the bottom of the blowing fixing sleeve 33. The blowing fixing sleeve 33 is nested with plastic-sintered plates 35 at both ends of the blowing pipe. A fixing card 36 is bolted to the bottom of the filtering box 21, and the fixing card 36 and the plastic-sintered plate 35 are nested with each other.

[0046] The working principle and beneficial effects of the above technical solution are as follows: when the residual gas enters the filter box 21 from the air inlet square tube 22, the residual gas enters the central cavity of the plastic burning plate 35 from the surface of the plastic burning plate 35, and enters the exhaust square tube 23 above the flower plate 31 and is discharged. The dust in the residual gas is blocked on the surface of the plastic burning plate 35. When the dust on the plastic burning plate 35 accumulates to a certain extent, the air bag 28 discharges compressed air, which is sprayed out from the spray port after passing through the spray pipe 34 and the spray fixing sleeve 33, and the dust on the surface of the plastic burning plate 35 is pulse-washed. The dust falls into the ash falling cone barrel 24 below. After the ash falling cone barrel 24 is full of dust, the driving motor 27 drives the spiral rod 26 to rotate so that the ash is discharged from the ash discharge pipe 25. The flower plate 31 and the spray fixing sleeve 33 ensure that the plastic burning plate 35 is suspended in the filter box 21, and the fixing card 36 ensures the fixation of the bottom of the plastic burning plate 35.

[0047] The present invention utilizes the plastic sintering plate 35 to filter the dust in the residual gas. This design can prevent the dust in the residual gas from affecting the subsequent heat exchange process, and the plastic sintering plate 35 has high dust removal efficiency. The pressure damage of the residual gas passing through the plastic sintering plate 35 is small. The design of the ash cone barrel 24, the ash discharge pipe 25 and the spiral rod 26 can effectively discharge the ash from the filter box 21 while ensuring the sealing of the filter box 21. The design of the blowing fixed sleeve 33 and the blowing pipe 34 can back-blow the plastic sintering plate 35 to avoid the blockage of the plastic sintering plate 35 caused by the accumulation of a lot of dust on the plastic sintering plate 35, thereby ensuring the smooth transportation of the residual gas.

[0048] Example 3

[0049] On the basis of Example 1, the air-water heat exchange component 4 includes a serpentine heat exchange tube 41, and a plurality of serpentine heat exchange tubes 41 are all penetrated and fixedly connected to the heat exchange shell 1, and a plurality of heat exchange fins 42 are fixedly connected to the parallel ends of the serpentine heat exchange tubes 41, and a plurality of input ends of the serpentine heat exchange tubes 41 are all fixedly connected to the water collecting manifold 43, and a plurality of output ends of the serpentine heat exchange tubes 41 are all fixedly connected to the return water manifold 44.

[0050] The beneficial effect of the above technical solution is as follows: when the residual gas after filtration enters the heat exchange shell 1, the residual gas passes through the serpentine heat exchange tube 41 and the heat exchange fins 42, and the heat is transferred to the serpentine heat exchange tube 41 and the heat exchange fins 42, and then transferred to the circulating water in the serpentine heat exchange tube 41. The circulating water flows into several serpentine heat exchange tubes 41 through the water collecting manifold 43 for heat exchange, and then is collected in the return water manifold 44 again; the present invention exchanges heat for the circulating water through the design of the serpentine heat exchange tube 41 and the heat exchange fins 42. The design can increase the contact area between the residual gas and the air-water heat exchange component 4, and increase the heat exchange efficiency. At the same time, the design of the water collecting manifold 43 and the return water manifold 44 can make the circulating water uniformly distributed, avoiding uneven distribution of circulating water between several serpentine heat exchange tubes 41.

[0051] Example 4

[0052] On the basis of Example 1, the secondary heat exchange component 5 includes a secondary heat exchange shell 51, and the secondary heat exchange shell 51 is provided with installation openings 52 at the centers of the front and rear sides. The four corners between the two installation openings 52 are connected by a socket 53. A gas plate heat exchanger 54 is provided on the socket 53. The gas plate heat exchanger 54 is bolted to the secondary heat exchange shell 51. A partition 55 is fixedly connected in the secondary heat exchange shell 51, and the partition 55 is connected to the socket 53. The residual gas input port above the partition 55 is bolted to the heat exchange shell 1, and the cold end input port below the partition 55 is bolted to the intake fan 56. A one-way valve 57 is provided in the cold end channel below the partition 55, and the output end of the secondary heat exchange shell 51 is connected to the heat pump structure 6.

[0053] The heat pump structure 6 includes an air source heat pump 61, the circulating water input end of the air source heat pump 61 is connected to the output end of the return water collection pipe 44 through an insulation pipe 62, the air flow input end of the air source heat pump 61 is bolted to the secondary heat exchange shell 51, and the air flow output end of the air source heat pump 61 is hingedly connected to a closed cover plate 63.

[0054] The beneficial effects of the above technical scheme are as follows: after the residual gas passing through the gas-water heat exchange component 4 enters the secondary heat exchange component 5, the residual gas enters the gas plate heat exchanger 54 through the residual gas channel above the partition 55 to generate heat exchange, and at the same time, the air intake fan 56 draws the air from the air channel below the partition 55 into the gas plate heat exchanger 54 for heat exchange, and the exchanged residual gas and air both flow into the air flow end of the air source heat pump 61 through the input end, and after the air source heat pump 61 absorbs the heat of the mixed gas of the residual gas and the air, the mixed gas of the residual gas and the air is lifted up from the closed cover plate 63 at the air flow output end of the air source heat pump 61 to discharge the air flow, and at the same time, the air source heat pump 61 heats the circulating water entering the air source heat pump 61 through the insulation pipe 62, the installation port 52 and the socket 53 limit and carry the gas plate heat exchanger 54, and the partition 55 is used to isolate the residual gas and the air;

[0055] The present invention utilizes a gas plate heat exchanger 54 to exchange heat between air and waste gas. This design can distribute the remaining heat in the waste gas to the air, so that the subsequent air source heat pump 61 can remain in the best working state and achieve energy saving. In addition, the overall temperature can be reduced and the flow rate can be increased by mixing with air, thereby avoiding heat waste. The design of the mounting port 52 and the socket 53 can ensure that the gas plate heat exchanger 54 can be quickly disassembled and assembled, and can improve the efficiency of repairing and replacing the gas plate heat exchanger 54 when a failure occurs.

[0056] Example 5

[0057] On the basis of Example 1, the dust suppression assembly 7 includes a base 71, a ring die 72 is bolted on the top of the base 71, a plurality of die holes 73 are provided on the ring die 72, a rotating table 74 is rotatably connected to the center of the base 71, a driving shaft 75 passes through and is fixedly connected to the bottom of the rotating table 74, the driving shaft 75 is connected to the output end of the reduction box 76, a rotating motor 77 is connected to the input end of the reduction box 76, the reduction box 76 and the rotating motor 77 are both bolted to the base 71, and a rolling structure 8 is provided on the rotating table 74.

[0058] The rolling structure 8 includes supporting side columns 81, and several supporting side columns 81 are fixedly connected to the rotating table 74. Several supporting side columns 81 have top covers 82 fixedly bolted at their top ends. An eccentric rotating shaft 83 is symmetrically rotatably connected between the top cover 82 and the rotating table 74. Pressing rollers 84 are keyed to the two eccentric rotating shafts 83. A rotating wrench 85 is splined to the top of the eccentric rotating shaft 83. An adjusting rod 86 is bolted to the rotating wrench 85. The adjusting rod 86 is slidably connected to a limit card 87. The limit card 87 is fixedly connected to the top cover 82. A scraper 88 is keyed to the top cover 82. The scraper 88 slides relative to the ring die 72.

[0059] The beneficial effects of the above technical solution are as follows: when dust falls from the ash discharge pipe 25 into the base 71 below, the rotating motor 77 transmits power to the reduction box 76, and the reduction box 76 transmits power to the driving shaft 75, so that the driving shaft 75 drives the rotating table 74 and the top cover 82 to rotate. During the rotation of the rotating table 74 and the top cover 82, the pressure roller 84 and the ring die 72 rotate relative to each other. During the rotation, the pressure roller 84 and the ring die 72 squeeze the dust, so that the dust enters the die hole 73 and is pressed into a stick-shaped pressing block. At the same time, during the rotation of the top cover 82, the scraper 88 cuts off the stick-shaped pressing block. When it is necessary to adjust the distance between the pressure roller 84 and the ring die 72, the nut on the adjusting rod 86 is rotated to make it slide on the limit card 87, thereby pushing the rotating wrench 85 to rotate the eccentric shaft 83 to achieve the adjustment of the distance between the pressure roller 84 and the ring die 72.

[0060] The present invention utilizes the ring die 72 and the pressure roller 84 to press the dust into a stick-shaped briquette. This design can ensure that the dust will not generate large dust after being output, thus avoiding the pollution of the operation site by the dust flying everywhere. The stick-shaped briquette enables the dust to be better transported. At the same time, the design of the eccentric shaft 83 and the adjustment rod 86 enables the pressure roller 84 to be adjusted autonomously according to the actual situation, thus ensuring the flexibility in the dust suppression process.

[0061] Example 6

[0062] Based on Example 1, the heat exchange adjustment component includes a control module, a data processing module, a detection module and an execution module, and the detection module includes:

[0063] Flow sensor 1: used to detect the flow of residual gas, which is arranged in the heat exchange shell 1;

[0064] Flow sensor 2: used to detect the flow of circulating water, which is arranged in the water collection manifold 43;

[0065] Temperature difference sensor 1: used to detect the temperature difference between the input end and the output end of the circulating water of the air-water heat exchange component 4, which is arranged on the water collection manifold 43 and the return water manifold 44;

[0066] Temperature difference sensor 2: used to detect the temperature difference between the residual gas at the input end of the heat exchange shell and the output end of the secondary heat exchange shell, and is arranged between the heat exchange shell 1 and the secondary heat exchange shell 51;

[0067] Temperature sensor: used to detect the temperature of the residual gas at the input end of the secondary heat exchange component 5, and is arranged on the secondary heat exchange shell 51;

[0068] The detection module is electrically connected to the data processing module, the control module is electrically connected to the data processing module and the execution module, and the control module controls the execution module to work based on the data results of the data processing module.

[0069] The control module controls the execution module based on the data results of the data processing module, including the following steps:

[0070] Step 1: Calculate the heat exchange working coefficient W of the residual gas based on the detection values ​​of flow sensor 1, flow sensor 2, temperature difference sensor, temperature difference sensor and temperature sensor 2 h :

[0071] Where: W his the heat transfer coefficient of the residual gas, T1 is the detection value of the temperature sensor, ΔT2 is the detection value of the temperature difference sensor 2, c2 is the specific heat capacity of the circulating water, ρ2 is the density of the circulating water, Q2 is the detection value of the flow sensor 2, ΔT1 is the detection value of the temperature difference sensor 1, η is the heat transfer coefficient of the circulating water, c1 is the specific heat capacity of the residual gas, ρ1 is the density of the residual gas, Q1 is the detection value of the flow sensor 1, T m is the optimal operating temperature of the air source heat pump 61;

[0072] Step 2: Data processing module comparison h and W h0 , when W h <W h0 When based on W h Calculate the flow adjustment coefficient Q of circulating water c , when W h ≥W h0 No processing is done when:

[0073] Where: W h0 is the minimum reference value of the heat transfer coefficient of the residual gas, e is the natural logarithm, and the value is 2.71828;

[0074] Step 3: The control module controls the execution module to adjust the flow rate of circulating water to Q c times.

[0075] The beneficial effects of the above technical solution are as follows: since the optimal operating temperature of the air source heat pump 61 is fixed, but the temperature of the residual gas will fluctuate, after the residual gas is heat exchanged in the air-water heat exchange component 4 and the secondary heat exchange component 5, the temperature of the residual gas may exceed or be lower than the optimal operating temperature of the air source heat pump 61, thereby causing the working efficiency of the air source heat pump 61 to decrease and the energy consumption to increase. Therefore, by monitoring various parameters in the heat exchange process and adjusting the flow rate of circulating water in real time, the temperature of the residual gas at the point where it reaches the air source heat pump 61 is controlled;

[0076] The present invention utilizes a control module, a data processing module, a detection module and an execution module to monitor the heat exchange process. This design can ensure the stability of the operating temperature of the air source heat pump 61, avoid fluctuations in the operating efficiency of the air source heat pump 61 caused by temperature fluctuations, and achieve energy-saving effects.

[0077] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An energy-saving waste gas and waste heat utilization device, characterized in that: It comprises: a heat exchange shell (1), an air-water heat exchange component (4) is arranged inside the heat exchange shell (1), a filter component (2) is arranged at the input end of the heat exchange shell (1), a secondary heat exchange component (5) is arranged at the output end of the heat exchange shell (1), and a dust suppression component (7) is arranged below the filter component (2); It also includes a heat exchange regulating component, which is used to monitor and regulate the heat exchange process to ensure the working state of the air source heat pump (61) in the secondary heat exchange component (5).

2. The energy-saving waste gas and waste heat utilization device according to claim 1 is characterized in that: The filter assembly (2) comprises a filter box (21), the two sides of the filter box (21) are respectively fixedly connected with an air intake square tube (22) and an exhaust square tube (23), the exhaust square tube (23) is bolted to the input end of the heat exchange shell (1), the bottom of the filter box (21) is bolted to an ash dropping cone barrel (24), the ash dropping cone barrel (24) is fixedly connected to an ash discharge pipe (25), a spiral rod (26) is rotatably connected in the ash discharge pipe (25), the spiral rod (26) is connected to the output end of a driving motor (27), the driving motor (27) is bolted to the ash discharge pipe (25), the top of the filter box (21) is bolted to an air bag (28), the input end of the air bag (28) penetrates and is connected to the filter box (21), and the output end of the air bag (28) is connected to the filter structure (3).

3. The energy-saving waste gas and waste heat utilization device according to claim 2 is characterized in that: The filtering structure (3) comprises a flower plate (31), the flower plate (31) is bolted to the wall of the filtering box (21), a plurality of opening grooves (32) are provided on the flower plate (31), a blowing fixing sleeve (33) is nested in each of the plurality of opening grooves (32), the blowing fixing sleeve (33) is bolted to the flower plate (31), a blowing pipe (34) is provided at the center of the blowing fixing sleeve (33), the blowing pipe (34) is connected to the air bag (28), a plurality of blowing ports are provided at the bottom of the blowing fixing sleeve (33), a plastic burning plate (35) is nested and connected at both left and right ends of the blowing pipe of the blowing fixing sleeve (33), a fixing clamp (36) is bolted to the bottom of the filtering box (21), and the fixing clamp (36) and the plastic burning plate (35) are mutually nested.

4. The energy-saving waste gas and waste heat utilization device according to claim 1 is characterized in that: The air-water heat exchange assembly (4) comprises a serpentine heat exchange tube (41), wherein a plurality of serpentine heat exchange tubes (41) are all passed through and fixedly connected to the heat exchange shell (1), a plurality of heat exchange fins (42) are fixedly connected to the parallel ends of the plurality of serpentine heat exchange tubes (41), a plurality of water collecting headers (43) are fixedly connected to the input ends of the plurality of serpentine heat exchange tubes (41), and a plurality of water return headers (44) are fixedly connected to the output ends of the plurality of serpentine heat exchange tubes (41).

5. The energy-saving waste gas and waste heat utilization device according to claim 1 is characterized in that: The secondary heat exchange assembly (5) comprises a secondary heat exchange shell (51). The secondary heat exchange shell (51) is provided with mounting openings (52) at the centers of both front and rear sides. The four corners between the two mounting openings (52) are connected via a socket (53). A gas plate heat exchanger (54) is provided on the socket (53). The gas plate heat exchanger (54) is bolted to the secondary heat exchange shell (51). A partition (55) is fixedly connected inside the secondary heat exchange shell (51). The partition (55) is connected to the socket (53). The residual gas input port above the partition (55) is bolted to the heat exchange shell (1). An air intake fan (56) is bolted to the cold end input port below the partition (55). A one-way valve (57) is provided in the cold end channel below the partition (55). The output end of the secondary heat exchange shell (51) is connected to a heat pump structure (6).

6. The energy-saving waste gas and waste heat utilization device according to claim 5, characterized in that: The heat pump structure (6) comprises an air source heat pump (61), wherein the circulating water input end of the air source heat pump (61) is connected to the output end of the return water header (44) via a heat-insulating pipe (62), the air flow input end of the air source heat pump (61) is bolted to the secondary heat exchange shell (51), and the air flow output end of the air source heat pump (61) is hingedly connected to a closed cover plate (63).

7. The energy-saving waste gas and waste heat utilization device according to claim 1 is characterized in that: The dust suppression assembly (7) comprises a base (71), a ring die (72) is bolted to the top of the base (71), a plurality of die holes (73) are provided on the ring die (72), a rotating table (74) is rotatably connected to the center of the base (71), a driving shaft (75) passes through and is fixedly connected to the bottom of the rotating table (74), the driving shaft (75) is connected to the output end of a reduction box (76), a rotating motor (77) is connected to the input end of the reduction box (76), the reduction box (76) and the rotating motor (77) are both bolted to the base (71), and a rolling structure (8) is provided on the rotating table (74).

8. The energy-saving waste gas and waste heat utilization device according to claim 7 is characterized in that: The rolling structure (8) comprises supporting side columns (81), a plurality of supporting side columns (81) are fixedly connected to a rotating platform (74), a top cover (82) is fixedly bolted to the top of the plurality of supporting side columns (81), an eccentric rotating shaft (83) is symmetrically rotatably connected between the top cover (82) and the rotating platform (74), a pressing roller (84) is keyed to the two eccentric rotating shafts (83), a rotating wrench (85) is splined to the top of the eccentric rotating shaft (83), an adjusting rod (86) is bolted to the rotating wrench (85), the adjusting rod (86) is slidably connected to a limit card (87), the limit card (87) is fixedly connected to the top cover (82), a scraper (88) is keyed to the top cover (82), and the scraper (88) slides relative to the ring die (72).

9. The energy-saving waste gas and waste heat utilization device according to claim 1, characterized in that: The heat exchange adjustment component includes a control module, a data processing module, a detection module and an execution module. The detection module includes: Flow sensor 1: used to detect the flow of residual gas, and arranged at the inlet of the heat exchange shell (1); Flow sensor 2: used to detect the flow of circulating water, and arranged in the water collection manifold (43); Temperature difference sensor 1: used to detect the temperature difference between the input end and the output end of the circulating water of the air-water heat exchange component (4), and arranged on the water collection header (43) and the water return header (44); Temperature difference sensor 2: used for detecting the temperature difference between the residual gas at the input end of the heat exchange shell and the output end of the secondary heat exchange shell, and arranged between the heat exchange shell (1) and the secondary heat exchange shell (51); A temperature sensor: used to detect the temperature of the residual gas at the input end of the secondary heat exchange component (5), and arranged on the secondary heat exchange shell (51); The detection module is electrically connected to the data processing module, the control module is electrically connected to the data processing module and the execution module, and the control module controls the execution module to work based on the data results of the data processing module.

10. The energy-saving waste gas and waste heat utilization device according to claim 9, characterized in that: The control module controls the execution module based on the data results of the data processing module, including the following steps: Step 1: Calculate the heat exchange working coefficient W of the residual gas based on the detection values ​​of flow sensor 1, flow sensor 2, temperature difference sensor, temperature difference sensor and temperature sensor 2 h : Where: W h is the heat transfer coefficient of the residual gas, T1 is the detection value of the temperature sensor, ΔT2 is the detection value of the temperature difference sensor 2, c2 is the specific heat capacity of the circulating water, ρ2 is the density of the circulating water, Q2 is the detection value of the flow sensor 2, ΔT1 is the detection value of the temperature difference sensor 1, η is the heat transfer coefficient of the circulating water, c1 is the specific heat capacity of the residual gas, ρ1 is the density of the residual gas, Q1 is the detection value of the flow sensor 1, T m is the optimal operating temperature of the air source heat pump (61); Step 2: Data processing module comparison h and W h0 , when W h <W h0 When based on W h Calculate the flow adjustment coefficient Q of circulating water c , when W h ≥W h0 No processing is done when: Where: W h0 is the minimum reference value of the heat transfer coefficient of the residual gas, e is the natural logarithm, and the value is 2.71828; Step 3: The control module controls the execution module to adjust the flow rate of circulating water to Q c times.

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