Waste heat recovery device of natural gas generator set

Abstract

The utility model relates to the technical field of waste heat recovery, in particular to a waste heat recovery device of a natural gas generator set, which can enable waste gas to uniformly heat water in a cavity of a water tank through a heat exchange mechanism when the waste gas is subjected to waste heat recovery, has a better effect of recovering the waste heat in the waste gas, and is convenient to use and high in practicability. Comprising a bottom plate, a support, a water tank and a funnel, the water tank is fixedly installed at the upper end of the bottom plate through the support, a cavity is formed in the water tank, and the funnel communicated with the cavity is arranged on the upper portion of the water tank; the water discharging mechanism is installed on the bottom plate and the water tank and used for discharging water in a cavity of the water tank, the heat exchange mechanism is installed on the water tank through the moving mechanism, the heat exchange mechanism has a heat exchange function, and the moving mechanism is used for moving the heat exchange mechanism left and right; the input end of the heat exchange mechanism communicates with the air inlet mechanism, and the output end of the heat exchange mechanism communicates with the exhaust mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of waste heat recovery, particularly to a natural gas generator set waste heat recovery device. BACKGROUND

[0002] Natural gas generator sets will produce exhaust gas in the combustion process, and the exhaust gas has a high temperature. If the exhaust gas is directly discharged into the air, it will not only pollute the environment, but also waste the heat energy in the air. Therefore, a waste heat recovery device is needed to recover the heat in the exhaust gas, and then the exhaust gas is discharged into a purification device for purification treatment. In the prior art, a waste heat recovery device is disclosed in the utility model patent with the patent application number 202020953675.9, which mainly includes a waste heat recovery tank, heat exchange fins and a connecting hose. There is liquid in the waste heat recovery tank. When in use, the flue gas that needs to recover waste heat is transported into the heat exchange fins through the connecting hose. The flue gas exchanges heat with the liquid in the waste heat recovery tank through the connecting hose, so that the liquid in the waste heat recovery tank is heated. However, there are the following problems in the use process. When the flue gas recovers waste heat in the waste heat recovery tank, the position of the heat exchange fins cannot be moved, so the heating effect of the liquid close to the position of the heat exchange fins is good, and the heating effect of the liquid far away from the position of the heat exchange fins is not good. Therefore, the liquid in the waste heat recovery tank cannot be uniformly heated, the waste heat recovery effect is not good, and the use is not convenient. Therefore, a waste heat recovery device that can uniformly heat the liquid is needed. SUMMARY

[0003] To solve the above technical problems, the utility model provides a natural gas generator set waste heat recovery device which can uniformly heat the water in the water tank chamber through the heat exchange mechanism when recovering waste heat, has a good waste heat recovery effect in the exhaust gas, is convenient to use, and has high practicability.

[0004] The natural gas generator set waste heat recovery device, including bottom plate, support, water tank and hopper, water tank is fixedly installed on the upper end of bottom plate through support, chamber is arranged in water tank, the upper portion of water tank is provided with the hopper that communicates with the chamber, still include heat exchange mechanism, moving mechanism, intake mechanism, exhaust mechanism and drainage mechanism, drainage mechanism is installed on bottom plate and water tank, and drainage mechanism is used for discharging the water in water tank chamber, heat exchange mechanism is installed on water tank through moving mechanism, heat exchange mechanism has heat exchange function, moving mechanism is used for moving left and right to heat exchange mechanism, the input end of heat exchange mechanism communicates with intake mechanism, and the output end of heat exchange mechanism communicates with exhaust mechanism, when using, the exhaust gas generated when using natural gas generator is discharged into heat exchange mechanism through intake mechanism, makes exhaust gas through heat exchange mechanism and the water in water tank chamber heat exchange, makes the water in water tank chamber warm up, simultaneously opens moving mechanism, and moving mechanism makes heat exchange mechanism move left and right in water tank chamber, makes heat exchange mechanism and the water in water tank chamber evenly contact, evenly heats the water in water tank chamber, after that, exhaust gas enters exhaust mechanism through heat exchange mechanism, after that, the water after cooling enters the outside exhaust gas treatment mechanism through exhaust mechanism and continues to handle, when the water in water tank chamber warms up to a certain degree, opens drainage mechanism, and the water in water tank chamber after heating is discharged through drainage mechanism and is used for floor heating or bathing, etc, then new water is filled in water tank chamber through hopper, and the waste heat recovery of exhaust gas can be evenly heated by heat exchange mechanism when the waste heat recovery of exhaust gas is carried out, the effect of waste heat recovery in exhaust gas is better, convenient to use, and high in practicality.

[0005] Preferably, the heat exchange mechanism includes a gas delivery pipe, a delivery pipe A, a plurality of heat exchange pipes, a delivery pipe B and an output pipe, the gas delivery pipe is slidably installed on the water tank, the input end of the gas delivery pipe communicates with the intake mechanism, the output end of the gas delivery pipe communicates with the delivery pipe A, the input end and the output end of the plurality of heat exchange pipes respectively communicate with the delivery pipe A and the delivery pipe B, the output end of the delivery pipe B communicates with the output pipe, the output pipe is slidably installed on the water tank, the delivery pipe A is installed on the moving mechanism, and the moving mechanism is used for moving left and right to the delivery pipe A; when the waste heat of the exhaust gas is recovered, the exhaust gas enters the delivery pipe A through the gas delivery pipe, then the exhaust gas enters the plurality of heat exchange pipes through the delivery pipe A, the exhaust gas exchanges heat with the water in the water tank chamber through the pipe wall of the plurality of heat exchange pipes, the water in the water tank chamber is warmed up, the moving mechanism is opened at the same time, the moving mechanism drives the delivery pipe A and the plurality of heat exchange pipes to move left and right, the plurality of heat exchange pipes evenly heat the water in the water tank chamber in the process of moving left and right, then the exhaust gas enters the exhaust mechanism through the delivery pipe B and the output pipe and is discharged; the recovery and utilization of the waste heat in the exhaust gas are facilitated.

[0006] Preferably, the moving mechanism comprises a sliding rail, a sliding block, a motor, a lead screw and a sliding block, the sliding rail is fixedly installed at the upper end of the water tank chamber, the sliding block is slidably installed on the sliding rail, the motor is fixedly installed at the left end of the water tank, the lead screw is rotatably installed on the water tank, the sliding block is screwed with the lead screw, and the conveying pipe A is fixedly installed at the lower end of the sliding block and the sliding block; when waste heat is recovered from the exhaust gas, the motor is turned on, the motor drives the lead screw to rotate, the rotating lead screw drives the sliding block to move the conveying pipe A left and right, the conveying pipe A drives the plurality of heat exchange pipes to move left and right, and the plurality of heat exchange pipes uniformly heat the water in the water tank chamber in the process of moving left and right, so that the water in the water tank chamber is uniformly heated.

[0007] Preferably, the air inlet mechanism comprises an input pipe and a lifting frame, the input pipe is fixedly installed on the lifting frame, and the right part of the gas conveying pipe is slidably installed on the input pipe; the lifting frame is fixedly hung on the support of the workshop; the exhaust port of the natural gas generator set is communicated with the input pipe, and the exhaust gas generated during use of the natural gas generator set enters the conveying pipe A through the input pipe and the gas conveying pipe, so that the gas is conveniently discharged into the heat exchange mechanism.

[0008] Preferably, the exhaust mechanism comprises an exhaust pipe and a support table, the exhaust pipe is fixedly installed on the bottom plate through the support table, and the left part of the output pipe is slidably installed on the right part of the exhaust pipe; through the above arrangement, when the heat exchange of the exhaust gas in the heat exchange pipe is completed, the exhaust gas can be discharged to the outside through the conveying pipe B, the output pipe and the exhaust pipe in turn; and the exhaust of the exhaust gas is facilitated.

[0009] Preferably, the water drainage mechanism comprises a conveying pump, a water outlet pipe and a drain pipe, the input end of the conveying pump is communicated with the chamber of the water tank through the water outlet pipe, and the output end of the conveying pump is provided with the drain pipe; when the water in the water tank chamber is heated to a certain degree, the conveying pump is turned on, so that the water in the water tank chamber is discharged to the outside through the water outlet pipe, the conveying pump and the drain pipe in turn, and then collected for use; and the drainage of the water is facilitated.

[0010] Preferably, the water drainage mechanism comprises a conveying pump, a water outlet pipe and a drain pipe, the input end of the conveying pump is communicated with the chamber of the water tank through the water outlet pipe, and the output end of the conveying pump is provided with the drain pipe; when the water in the water tank chamber is heated to a certain degree, the conveying pump is turned on, so that the water in the water tank chamber is discharged to the outside through the water outlet pipe, the conveying pump and the drain pipe in turn, and then collected for use; and the drainage of the water is facilitated.

[0011] Compared with the prior art, the beneficial effects of the utility model are that: when waste heat is recovered from the exhaust gas, the exhaust gas can be uniformly heated by the heat exchange mechanism to the water in the water tank chamber, the effect of recovering waste heat from the exhaust gas is good, use is convenient, and practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the first axis measurement structure schematic view of the utility model;

[0013] Figure 2 is the second axis measurement structure schematic view of the utility model;

[0014] Figure 3 is the structure schematic view of heat exchange mechanism and moving mechanism;

[0015] Figure 4 is the structure schematic view of heat exchange pipe, output pipe and gas delivery pipe etc.;

[0016] Figure 5 is the structure schematic view of screw, motor and sliding block etc.

[0017] Markings in the drawings: 1, bottom plate;2, support;3, water tank;4, hopper;5, gas delivery pipe;6, conveying pipe A;7, heat exchange pipe;8, conveying pipe B;9, output pipe;10, slide rail;11, sliding block;12, motor;13, screw;14, sliding block;15, input pipe;16, hoisting frame;17, discharge pipe;18, support table;19, delivery pump;20, water outlet pipe;21, drain pipe;22, arc pipe;23, discharge pipe;24, collection box. DETAILED DESCRIPTION

[0018] In order to facilitate understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. EMBODIMENT

[0019] As Figures 1 to 5The utility model discloses a natural gas generating set waste heat recovery device includes bottom plate 1, support 2, water tank 3, hopper 4, heat exchange mechanism, moving mechanism, air intake mechanism, exhaust mechanism and drainage mechanism, and water tank 3 is fixedly installed on the upper end of bottom plate 1 through support 2, is provided with the chamber in water tank 3, is provided with the hopper 4 of chamber intercommunication in the upper portion of water tank 3, and drainage mechanism is installed on bottom plate 1 and water tank 3, and drainage mechanism is used for discharging the water in the chamber of water tank 3, and heat exchange mechanism is installed on water tank 3 through moving mechanism, and heat exchange mechanism has the heat exchange function, and moving mechanism is used for the left and right movement of heat exchange mechanism, and the input end of heat exchange mechanism is intercommunicated with air intake mechanism, and the output end of heat exchange mechanism is intercommunicated with exhaust mechanism, when using, the exhaust gas produced when using natural gas generator is discharged into heat exchange mechanism through air intake mechanism, makes the heat exchange of exhaust gas and the water in the chamber of water tank 3 through heat exchange mechanism, makes the water in the chamber of water tank 3 warm, and simultaneously opens moving mechanism, and moving mechanism makes heat exchange mechanism move left and right in the chamber of water tank 3, makes heat exchange mechanism and the water in the chamber of water tank 3 even contact, even heats the water in the chamber of water tank 3, and then exhaust gas enters exhaust mechanism through heat exchange mechanism, and then the water after cooling enters the outside exhaust gas treatment mechanism through exhaust mechanism and continues to handle, when the water in the chamber of water tank 3 warms to a certain degree, opens drainage mechanism, and the water in the chamber of water tank 3 after heating is discharged through drainage mechanism and is used for floor heating or bathing, etc., then new water is filled in the chamber of water tank 3 through hopper 4, and the effect is good when the waste heat of exhaust gas is recovered, convenient to use, and practicality is high.

[0020] As Figure 3 And Figure 4 Heat exchange mechanism includes gas pipe 5, conveying pipe A 6, multiple sets of heat exchange pipe 7, conveying pipe B 8 and output pipe 9, gas pipe 5 is slidably installed on water tank 3, the input end of gas pipe 5 is intercommunicated with air intake mechanism, the output end of gas pipe 5 is intercommunicated with conveying pipe A 6, the input end and the output end of multiple sets of heat exchange pipe 7 are intercommunicated with conveying pipe A 6 and conveying pipe B 8 respectively, the output end of conveying pipe B 8 is intercommunicated with output pipe 9, output pipe 9 is slidably installed on water tank 3, conveying pipe A 6 is installed on moving mechanism, and moving mechanism is used for the left and right movement of conveying pipe A 6, when the waste heat of exhaust gas is recovered, exhaust gas enters conveying pipe A 6 through gas pipe 5, then exhaust gas enters multiple sets of heat exchange pipe 7 through conveying pipe A 6, makes exhaust gas and the water in the chamber of water tank 3 through heat exchange through the pipe wall of multiple sets of heat exchange pipe 7, makes the water in the chamber of water tank 3 warm, simultaneously opens moving mechanism, and moving mechanism drives conveying pipe A 6 and multiple sets of heat exchange pipe 7 to move left and right, multiple sets of heat exchange pipe 7 evenly heats the water in the chamber of water tank 3 in the process of moving left and right, then exhaust gas enters exhaust mechanism through conveying pipe B 8 and output pipe 9 and is discharged, which facilitates the recycling of waste heat in exhaust gas.

[0021] As Figure 3 And Figure 5 , the moving mechanism includes slide rail 10, slide block 11, motor 12, screw rod 13 and sliding block 14, slide rail 10 is fixedly installed on the upper end of the chamber of water tank 3, slide block 11 is slidably installed on slide rail 10, motor 12 is fixedly installed on the left end of water tank 3, screw rod 13 is rotatably installed on water tank 3, sliding block 14 is screwed with screw rod 13, and conveying pipe A6 is fixedly installed on the lower end of slide block 11 and sliding block 14; when waste heat is recovered from the exhaust gas, the motor 12 is turned on, the motor 12 drives the screw rod 13 to rotate, the rotating screw rod 13 drives the sliding block 14 to move left and right, and the conveying pipe A6 drives the plurality of heat exchange pipes 7 to move left and right, so that the plurality of heat exchange pipes 7 uniformly heat the water in the chamber of the water tank 3, and the water in the chamber of the water tank 3 is uniformly heated.

[0022] As Figure 2 And Figure 3 , the air inlet mechanism includes input pipe 15 and lifting frame 16, input pipe 15 is fixedly installed on lifting frame 16, and the right part of gas conveying pipe 5 is slidably installed on input pipe 15; the lifting frame 16 is fixedly hung on the support of the workshop; the exhaust port of the natural gas generator set is communicated with the input pipe 15, and the exhaust gas generated during use of the natural gas generator set enters the conveying pipe A6 through the input pipe 15 and the gas conveying pipe 5, so that the gas is conveniently discharged into the heat exchange mechanism.

[0023] As Figure 1 , the exhaust mechanism includes discharge pipe 17 and support table 18, the discharge pipe 17 is fixedly installed on the bottom plate 1 through the support table 18, and the left part of the output pipe 9 is slidably installed on the right part of the discharge pipe 17; through the above arrangement, when the waste heat exchange in the heat exchange pipe 7 is completed, the exhaust gas is sequentially discharged to the outside through the conveying pipe B8, the output pipe 9 and the discharge pipe 17; the exhaust of the exhaust gas is facilitated.

[0024] As Figure 2 , the water drainage mechanism includes conveying pump 19, water outlet pipe 20 and drainage pipe 21, the input end of the conveying pump 19 is communicated with the chamber of the water tank 3 through the water outlet pipe 20, and the output end of the conveying pump 19 is provided with the drainage pipe 21; when the water in the chamber of the water tank 3 is heated to a certain degree, the conveying pump 19 is turned on, so that the water in the chamber of the water tank 3 is sequentially discharged to the outside through the water outlet pipe 20, the conveying pump 19 and the drainage pipe 21, and then collected and used; the water drainage is facilitated. Embodiment

[0025] On the basis of embodiment 1, arc-shaped pipe 22, discharge pipe 23 and collection tank 24 are additionally provided, the middle part of the discharge pipe 17 is provided with arc-shaped pipe 22, the lower part of arc-shaped pipe 22 is provided with discharge pipe 23, the discharge pipe 23 is provided with a valve, and the collection tank 24 is located below the discharge pipe 23; the exhaust gas discharged by the natural gas generator set contains a part of water vapor, when the exhaust gas is cooled, the water vapor will become liquid water, enters the discharge pipe 17 through the output pipe 9, and then the liquid water slides into the arc-shaped pipe 22; when it is needed to discharge the liquid water, the valve on the discharge pipe 23 is opened, so that the liquid water in the arc-shaped pipe 22 falls into the collection tank 24 through the discharge pipe 23 and is collected, thereby facilitating the collection of the liquid water.

[0026] The funnel 4, the heat exchange pipe 7, the motor 12, the hoisting frame 16, the conveying pump 19 and the arc-shaped pipe 22 of the natural gas generator set waste heat recovery device are all purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0027] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A natural gas generating unit waste heat recovery device, comprising a base plate (1), a support (2), a water tank (3) and a funnel (4), the water tank (3) being fixedly installed on the upper end of the base plate (1) through the support (2), a cavity being arranged in the water tank (3), and a funnel (4) being arranged on the upper part of the water tank (3) and communicating with the cavity; characterized in that, The heat exchange mechanism, the moving mechanism, the air inlet mechanism, the air outlet mechanism and the drainage mechanism are installed on the bottom plate (1) and the water tank (3), the drainage mechanism is used for draining water in the cavity of the water tank (3), the heat exchange mechanism is installed on the water tank (3) through the moving mechanism, the heat exchange mechanism has a heat exchange function, the moving mechanism is used for moving the heat exchange mechanism left and right, the input end of the heat exchange mechanism is communicated with the air inlet mechanism, and the output end of the heat exchange mechanism is communicated with the air outlet mechanism.

2. The natural gas generator set waste heat recovery device according to claim 1, characterized in that, The heat exchange mechanism includes a gas conveying pipe (5), a conveying pipe A (6), a plurality of heat exchange pipes (7), a conveying pipe B (8) and an output pipe (9), the gas conveying pipe (5) is slidably installed on the water tank (3) left and right, the input end of the gas conveying pipe (5) is communicated with the air inlet mechanism, the output end of the gas conveying pipe (5) is communicated with the conveying pipe A (6), the input end and the output end of the plurality of heat exchange pipes (7) are respectively communicated with the conveying pipe A (6) and the conveying pipe B (8), the output end of the conveying pipe B (8) is communicated with the output pipe (9), the output pipe (9) is slidably installed on the water tank (3) left and right, and the conveying pipe A (6) is installed on the moving mechanism and used for moving the conveying pipe A (6) left and right.

3. The natural gas generator set waste heat recovery device of claim 2, wherein The moving mechanism includes a sliding rail (10), a sliding block (11), a motor (12), a lead screw (13) and a sliding block (14), the sliding rail (10) is fixedly installed at the upper end of the cavity of the water tank (3), the sliding block (11) is slidably installed on the sliding rail (10) left and right, the motor (12) is fixedly installed at the left end of the water tank (3), the lead screw (13) is rotatably installed on the water tank (3), the sliding block (14) is screwed with the lead screw (13), and the conveying pipe A (6) is fixedly installed at the lower ends of the sliding block (11) and the sliding block (14).

4. The natural gas generator set waste heat recovery device of claim 2, wherein The air inlet mechanism includes an input pipe (15) and a lifting frame (16), the input pipe (15) is fixedly installed on the lifting frame (16), and the right part of the gas conveying pipe (5) is slidably installed on the input pipe (15) left and right.

5. The natural gas generator set waste heat recovery device of claim 2, wherein, The air outlet mechanism includes a discharge pipe (17) and a support table (18), the discharge pipe (17) is fixedly installed on the bottom plate (1) through the support table (18), and the left part of the output pipe (9) is slidably installed on the right part of the discharge pipe (17).

6. The natural gas generator set waste heat recovery device of claim 1, wherein The drainage mechanism includes a conveying pump (19), a water outlet pipe (20) and a drainage pipe (21), the input end of the conveying pump (19) is communicated with the cavity of the water tank (3) through the water outlet pipe (20), and the output end of the conveying pump (19) is provided with the drainage pipe (21).

7. The natural gas generator set waste heat recovery device of claim 5, wherein, The arc-shaped pipe (22), the discharge pipe (23) and the collection tank (24) are further included, the middle part of the discharge pipe (17) is provided with the arc-shaped pipe (22), the lower part of the arc-shaped pipe (22) is provided with the discharge pipe (23), a valve is arranged on the discharge pipe (23), and the collection tank (24) is located below the discharge pipe (23).

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