Furfural production waste heat utilization device

Abstract

The utility model discloses a furfural production waste heat utilization device which comprises a shell, a processing cavity is formed in the middle of the upper surface of the shell, a fixing rod is fixedly connected to one side of the upper surface of the shell, connecting blocks are rotationally connected to the two sides of the outer surface of the fixing rod, and a cover plate is fixedly connected to one end of each connecting block. According to the furfural production waste heat utilization device, through the arrangement of an exhaust pipe, an exhaust fan, a heat exchange pipe and a water storage cavity, the exhaust fan extracts steam generated during furfural production heating through the exhaust pipe, then the steam is conveyed into the heat exchange pipe through a conveying pipe, the heat exchange pipe exchanges heat with water stored in the water storage cavity, and the waste heat is recycled. The contact area of the heat exchange pipe and water in the water storage cavity is increased through the spiral arrangement of the heat exchange pipe, the contact time of the heat exchange pipe and the water is prolonged, the water can fully absorb the heat of steam in the heat exchange pipe, and therefore the waste heat recycling effect is further improved, and energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a waste heat utilization technical field, especially relates to a furfural production waste heat utilization device. BACKGROUND

[0002] Furfural is a chemical product, which is formed by the dehydration of pentose (monosaccharide) from the hydrolysis of high polymer furan (cellulose, hemicellulose) in plant fiber raw materials. Furfural is an important chemical raw material, and there are more than 1600 kinds of chemical products synthesized directly and indirectly from furfural, which are widely used in the industries of synthetic plastics, medicines, pesticides, etc. It is also an excellent organic solvent for refining high-grade lubricating oil and diesel. Furfural needs to be produced and prepared through a cooking process.

[0003] After searching, the Chinese patent publication (announcement) No. CN213273831U discloses a furfural production waste heat utilization device, which comprises a base, the top end of the base is fixedly connected with an outer shell, one side of the outer shell is provided with a feeding port, the inner wall of the outer shell is fixedly provided with a heat preservation layer, the inner wall top end of the heat preservation layer is fixedly provided with a condensing plate through bolts, the inner wall bottom end of the heat preservation layer is provided with a water tank, the top end of the water tank is provided with a chute, the inner wall of the chute is slidably connected with a plug rod, the outer wall of the plug rod is movably connected with an L-shaped rod, one side of the L-shaped rod is fixedly connected with a brush. In the utility model, the feeding port is provided, so that the steam is conveyed to the condensing plate through the feeding port, and the steam is liquefied into water droplets and falls into the water tank. The chute is provided, the plug rod is moved, the L-shaped rod is driven to rotate circumferentially, so that the brush cleans the inner wall of the water tank. The residual water channel on the inner wall of the water tank cannot be conveniently cleaned, the water in the water tank is clean and low in toxicity, and the recycling rate is reduced.

[0004] The above-mentioned patent can store steam, but if the steam heat energy storage space is not utilized in time, the internal pressure will increase, which may cause safety accidents. If the steam heat energy is discharged, the steam heat will be wasted. Therefore, a furfural production waste heat utilization device needs to be designed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a furfural production waste heat utilization device, which can effectively solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] The utility model relates to a furaldehyde production waste heat utilization device, including the upper surface middle part of casing, is equipped with the processing cavity, one side of the upper surface of casing is fixedly connected with fixed link, both sides of fixed link outer surface are all rotatably connected with connecting block, one end of connecting block is fixedly connected with apron, one side of apron upper surface is fixedly connected with exhaust pipe, one end of exhaust pipe is fixedly connected with exhaust fan, the bottom of exhaust fan outer surface is fixedly connected with the conveying pipe, one end of conveying pipe is fixedly connected with heat exchange pipe, the inside of casing is equipped with water storage cavity, the top of water storage cavity inboard is fixedly connected with water temperature sensor, the bottom of casing front is fixedly connected with first drain pipe.

[0008] In order to make the effect of fixing heat exchange pipe, as a furaldehyde production waste heat utilization device of the utility model, the corner of heat exchange pipe outer surface is fixedly connected with pipe clamp, the pipe clamp is fixedly connected with water storage cavity.

[0009] In order to make the effect of opening and closing apron, as a furaldehyde production waste heat utilization device of the utility model, the middle part of fixed link outer surface is rotatably connected with hydraulic rod, one end of hydraulic rod is rotatably connected with support seat, the support seat is fixedly connected with apron.

[0010] In order to make the effect of furaldehyde production, as a furaldehyde production waste heat utilization device of the utility model, the inside bottom wall of casing is fixedly connected with heater, the middle part of casing lower surface is equipped with heat dissipation groove.

[0011] In order to make the effect of water replenishment, as a furaldehyde production waste heat utilization device of the utility model, the edge of casing upper surface is fixedly connected with water inlet pipe, the top of water inlet pipe outer surface is sleeved with pipe cap, the upper surface of pipe cap is fixedly connected with connecting rope, the connecting rope is fixedly connected with casing.

[0012] In order to make the effect of exhaust, as a furaldehyde production waste heat utilization device of the utility model, one end of heat exchange pipe is fixedly connected with exhaust pipe, one side of exhaust pipe outer surface is fixedly connected with purification tank.

[0013] In order to make the effect of waste heat gas purification, as a furaldehyde production waste heat utilization device of the utility model, the top of purification tank inboard is equipped with clamping groove, the inside of clamping groove is clamped with adsorption plate.

[0014] In order to make the effect of condensate discharge, as a furaldehyde production waste heat utilization device of the utility model, the bottom of purification tank front is fixedly connected with liquid level window, the bottom of purification tank outer surface is fixedly connected with second drain pipe.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses a through the setting of suction pipe, exhaust fan, heat exchange pipe and water storage cavity, exhaust fan produces the steam of furaldehyde production heating through the suction pipe and then transports the steam to the heat exchange pipe through the conveying pipe, and the heat exchange pipe exchanges heat with the water stored in the water storage cavity, the spiral setting of heat exchange pipe increases the contact area of heat exchange pipe and water in the water storage cavity, prolongs the contact time of heat exchange pipe and water, makes water can fully absorb the heat of steam in heat exchange pipe, thereby further improve the effect of waste heat recovery utilization, reduce the consumption of energy.

[0017] 2. The utility model discloses a through the setting of heater, purification box, clamping groove and adsorption board, heater heats the furaldehyde in processing cavity, produces preparation through the cooking process, makes the device can produce furaldehyde at the same time, utilizes the waste heat, increases the extension of device, and the adsorption board is connected in the inner side of purification box through clamping groove, is convenient for cleaning replacement after long -time use, guarantees adsorption effect, and the adsorption board can adsorb and filter the impurity in the steam of heat exchange pipe and exhaust pipe, guarantees the cleanliness of gas, makes steam can zero pollution discharge, protects the environment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view structure schematic drawing of the utility model embodiment;

[0019] Figure 2 It is the shell internal structure schematic drawing of the utility model embodiment;

[0020] Figure 3 It is the cover plate structure schematic drawing of the utility model embodiment;

[0021] Figure 4 It is the heat exchange pipe structure schematic drawing of the utility model embodiment;

[0022] Figure 5 It is the purification box structure schematic drawing of the utility model embodiment.

[0023] In the drawing: 1, shell;2, processing cavity;3, fixed link;4, connecting block;5, cover plate;6, suction pipe;7, exhaust fan;8, conveying pipe;9, heat exchange pipe;10, water storage cavity;11, water temperature sensor;12, first drain pipe;13, pipe clamp;14, hydraulic rod;15, support seat;16, heater;17, heat dissipation groove;18, water inlet pipe;19, pipe cap;20, connecting rope;21, exhaust pipe;22, purification box;23, clamping groove;24, adsorption board;25, liquid level window;26, second drain pipe. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Embodiment

[0025] As Figures 1-5 shown, a furfural production waste heat utilization device, including the casing 1, the middle part of the upper surface of casing 1 is provided with processing cavity 2, one side of the upper surface of casing 1 is fixedly connected with fixed rod 3, both sides of the outer surface of fixed rod 3 are rotatably connected with connecting block 4, one end of connecting block 4 is fixedly connected with cover plate 5, one side of the upper surface of cover plate 5 is fixedly connected with suction pipe 6, one end of suction pipe 6 is fixedly connected with suction fan 7, the bottom of the outer surface of suction fan 7 is fixedly connected with conveying pipe 8, one end of conveying pipe 8 is fixedly connected with heat exchange pipe 9, the inside of casing 1 is provided with water storage cavity 10, the top of the inside surface of water storage cavity 10 is fixedly connected with water temperature sensor 11, the bottom of the front surface of casing 1 is fixedly connected with first drain pipe 12.

[0026] Specific use, through the setting of suction pipe 6, suction fan 7, heat exchange pipe 9 and water storage cavity 10, processing cavity 2 is set in the middle of the upper surface of casing 1, so that the device can produce furfural, cover plate 5 is rotatably connected on the outer surface of fixed rod 3 through connecting block 4, which is convenient to open and close, when cover plate 5 is closed, the top opening of processing cavity 2 is closed, suction fan 7 extracts the steam generated during furfural production through suction pipe 6, and then conveys the steam into heat exchange pipe 9 through conveying pipe 8, heat exchange pipe 9 is fixed in the inside of water storage cavity 10, and exchanges heat with the water stored in water storage cavity 10, the spiral setting of heat exchange pipe 9 increases its contact area with the water in water storage cavity 10, prolongs the contact time of heat exchange pipe 9 with water, so that the water can fully absorb the heat of the steam in heat exchange pipe 9, thereby further improving the effect of waste heat recovery, and the material of heat exchange pipe 9 is copper, which has good heat conductivity, can quickly guide the heat of the steam into the water, thereby increasing the heat exchange efficiency, improving the utilization rate of heat energy, reducing the consumption of energy, and water temperature sensor 11 monitors the temperature of the water in water storage cavity 10, and when the water is heated to a certain temperature, the water can be discharged through first drain pipe 12 for use, thereby increasing the convenience of use.

[0027] In the present embodiment, pipe clamp 13 is fixedly connected to the corner of the outer surface of heat exchange pipe 9, and pipe clamp 13 is fixedly connected to water storage cavity 10.

[0028] Specific use, through the setting of pipe clamp 13, multiple pipe clamps 13 fix heat exchange pipe 9, ensuring the firmness of installation and greatly improving stability.

[0029] In the embodiment, the middle part of the outer surface of the fixed rod 3 is rotationally connected with a hydraulic rod 14, one end of the hydraulic rod 14 is rotationally connected with a support seat 15, and the support seat 15 is fixedly connected with the cover plate 5.

[0030] In specific use, through the setting of the hydraulic rod 14, one end of the hydraulic rod 14 is rotationally connected with the outer surface of the fixed rod 3, the output end is rotationally connected with the support seat 15, and when the output end of the hydraulic rod 14 is stretched or retracted, the cover plate 5 can be driven by the support seat 15 to open and close, so that the opening and closing is more convenient.

[0031] In the embodiment, the inner bottom wall of the shell 1 is fixedly connected with a heater 16, and the middle part of the lower surface of the shell 1 is provided with a heat dissipation groove 17.

[0032] In specific use, through the setting of the heater 16, the heater 16 is fixed in the middle part of the inner bottom wall of the shell 1, the furfural inside the processing cavity 2 can be heated, and the device can utilize the waste heat while producing the furfural, so that the extension of the device is increased, and the heat dissipation groove 17 can discharge the heat generated by the operation of the heater 16 below the shell 1.

[0033] In the embodiment, the edge of the upper surface of the shell 1 is fixedly connected with a water inlet pipe 18, the outer surface of the water inlet pipe 18 is sleeved with a pipe cap 19, the upper surface of the pipe cap 19 is fixedly connected with a connecting rope 20, and the connecting rope 20 is fixedly connected with the shell 1.

[0034] In specific use, through the setting of the water inlet pipe 18, when the water in the water storage cavity 10 is insufficient, the pipe cap 19 is removed, and the water inlet pipe 18 is used for water replenishment to ensure the supply of hot water, the pipe cap 19 is fixed by the connecting rope 20 to avoid loss when the pipe cap 19 is removed, and the convenience of use is increased.

[0035] In the embodiment, one end of the heat exchange pipe 9 is fixedly connected with an exhaust pipe 21, and one side of the outer surface of the exhaust pipe 21 is fixedly connected with a purification box 22.

[0036] In specific use, through the setting of the purification box 22, the purification box 22 is fixed on one side of the outer surface of the exhaust pipe 21, so that the exhaust pipe 21 can concentrate the heat-exchanged steam in the interior of the purification box 22 for centralized treatment, and environmental pollution caused by random discharge is avoided.

[0037] In the embodiment, the top of the inner side of the purification box 22 is provided with a clamping groove 23, and the clamping groove 23 is clamped with an adsorption plate 24.

[0038] Specific use, through the setting of the adsorption plate 24, the adsorption plate 24 is clamped on the inner side of the purification box 22 through the clamping groove 23, convenient to install and disassemble, convenient to clean and replace after long time use, ensure the adsorption effect, the adsorption plate 24 can adsorb and filter the impurities in the steam discharged by the heat exchange pipe 9 and the exhaust pipe 21, ensure the cleanliness of the gas, so that the steam can be discharged with zero pollution, and the environment is protected.

[0039] In the embodiment, the bottom of the front of the purification box 22 is fixedly connected with a liquid level window 25, and the bottom of the outer surface of the purification box 22 is fixedly connected with a second drain pipe 26.

[0040] Specific use, through the setting of the adsorption plate 24, the adsorption plate 24 is clamped on the inner side of the purification box 22 through the clamping groove 23, convenient to install and disassemble, convenient to clean and replace after long time use, ensure the adsorption effect, the adsorption plate 24 can adsorb and filter the impurities in the steam discharged by the heat exchange pipe 9 and the exhaust pipe 21, ensure the cleanliness of the gas, so that the steam can be discharged with zero pollution, and the environment is protected.

[0041] Working principle: in use, the furfural material is placed in the processing cavity 2, the output end of the hydraulic rod 14 makes the cover plate 5 close through the supporting seat 15, the heater 16 heats the furfural in the processing cavity 2, and the furfural is produced and prepared through the cooking process, the steam generated when the furfural is heated is extracted through the exhaust fan 7 and the air suction pipe 6, then the steam is transported into the heat exchange pipe 9 through the conveying pipe 8, the heat exchange pipe 9 exchanges heat with the water stored in the water storage cavity 10, so that the water can fully absorb the heat of the steam in the heat exchange pipe 9, the water temperature sensor 11 monitors the temperature of the water in the water storage cavity 10, and when the water is heated to a certain temperature, the water can be discharged for use through the first drain pipe 12; when the water in the water storage cavity 10 is insufficient, the pipe cap 19 is removed, and the water is replenished through the water inlet pipe 18, so that the supply of hot water is ensured; the exhaust pipe 21 can discharge the heat-exchanged steam into the interior of the purification box 22, the adsorption plate 24 adsorbs and filters the impurities in the discharged steam, so as to avoid pollution to the external environment, and the liquid level window 25 is convenient for the staff to check the condensed water stored in the interior of the purification box 22 from the outside, and the second drain pipe 26 is opened through the control valve, so that the condensed water is discharged to a specified place.

[0042] The basic principle and main features of the present application are shown and described, and the advantages of the present application are shown and described. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A furfural production waste heat utilization device comprising a shell (1), characterized in that: The middle part of the upper surface of the shell (1) is provided with a processing cavity (2), one side of the upper surface of the shell (1) is fixedly connected with a fixed rod (3), both sides of the outer surface of the fixed rod (3) are rotatably connected with a connecting block (4), one end of the connecting block (4) is fixedly connected with a cover plate (5); One side of the upper surface of the cover plate (5) is fixedly connected with an air exhaust pipe (6), one end of the air exhaust pipe (6) is fixedly connected with an air exhaust fan (7), the bottom of the outer surface of the air exhaust fan (7) is fixedly connected with a conveying pipe (8), one end of the conveying pipe (8) is fixedly connected with a heat exchange pipe (9), the inside of the shell (1) is provided with a water storage cavity (10), the top of the inner side of the water storage cavity (10) is fixedly connected with a water temperature sensor (11), the bottom of the front of the shell (1) is fixedly connected with a first drain pipe (12).

2. A waste heat utilization device for furfural production according to claim 1, characterized in that: The corners of the outer surface of the heat exchange pipe (9) are fixedly connected with pipe clamps (13), the pipe clamps (13) are fixedly connected with the water storage cavity (10).

3. The waste heat utilization device for furfural production according to claim 1, characterized in that: The middle part of the outer surface of the fixed rod (3) is rotatably connected with a hydraulic rod (14), one end of the hydraulic rod (14) is rotatably connected with a support seat (15), the support seat (15) is fixedly connected with the cover plate (5).

4. The waste heat utilization device for furfural production according to claim 1, characterized in that: The inner bottom wall of the shell (1) is fixedly connected with a heater (16), the middle part of the lower surface of the shell (1) is provided with a heat dissipation groove (17).

5. The waste heat utilization device for furfural production according to claim 1, characterized in that: The edge of the upper surface of the shell (1) is fixedly connected with a water inlet pipe (18), the top of the outer surface of the water inlet pipe (18) is sleeved with a pipe cap (19), the upper surface of the pipe cap (19) is fixedly connected with a connecting rope (20), the connecting rope (20) is fixedly connected with the shell (1).

6. The waste heat utilization device for furfural production according to claim 1, characterized in that: One end of the heat exchange pipe (9) is fixedly connected with an exhaust pipe (21), one side of the outer surface of the exhaust pipe (21) is fixedly connected with a purification box (22).

7. The waste heat utilization device for furfural production according to claim 6, characterized in that: The top of the inner side of the purification box (22) is provided with a clamping groove (23), the clamping groove (23) is clamped with an adsorption plate (24).

8. The waste heat utilization device for furfural production according to claim 6, characterized in that: The bottom of the front of the purification box (22) is fixedly connected with a liquid level window (25), the bottom of the outer surface of the purification box (22) is fixedly connected with a second drain pipe (26).

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