High-temperature steam heat energy recovery overheating protection device

Abstract

The utility model relates to the technical field of overheat protection devices, in particular to a high-temperature steam heat energy recovery overheat protection device which cools heat recovery equipment and reduces the flow of steam entering the heat recovery equipment through a control device, so that overload operation of the heat recovery equipment is avoided, and the service life of the heat recovery equipment is prolonged. The overheating protection effect of the heat recovery equipment is improved, and the operation safety of the equipment is improved; comprising heat recovery equipment and a shell, the heat recovery equipment is arranged in the shell, and the air inlet end and the air outlet end of the heat recovery equipment both extend out of the shell; the screen plate is arranged at the bottom end of the shell, the bottom end of the heat recovery equipment is connected with the top end of the screen plate, the top end of the groove body is connected with the bottom end of the shell, the temperature sensor is installed on the outer side wall of the shell and communicated with the heat recovery equipment, and the heat dissipation device is arranged on the shell and the groove body. And the heat dissipation device is used for cooling the heat recovery equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of overheating protection device, in particular to a high temperature steam heat energy recovery overheating protection device. BACKGROUND

[0002] In the high temperature steam heat energy recovery system, the overheating protection device plays a vital role, because high temperature steam has higher temperature and pressure, if improper handling, it is easy to cause equipment overheating, damage and even explosion and other safety accidents, therefore need to carry out overheating protection to the equipment.

[0003] At present in the existing heat recovery equipment, such as the patent with the announcement number CN211526397U, the utility model discloses a steam boiler of recovery heat energy, including boiler box, auxiliary water tank, combustion machine, the boiler box one side is installed with the combustion machine, the combustion machine top is provided with return pipe, the return pipe top is provided with water supply pipe, the boiler box top is installed with safety valve, the safety valve one side is provided with vacuum pipe, the boiler box is provided with baffle, the baffle top is provided with furnace cylinder chamber, the baffle below is provided with combustion chamber, the combustion chamber one side is provided with first flue, the first flue upper surface is installed with the auxiliary water tank, the auxiliary water tank top is installed with singlechip.

[0004] But the equipment use found that the equipment lacks overheating protection device, and it is easy to cause the high temperature damage of equipment, reduces the security of use. UTILITY MODEL CONTENTS

[0005] To solve the above technical problem, the utility model provides a kind of cooling and cooling of heat recovery equipment, simultaneously by control device reduce the steam flow of entering heat recovery equipment, to avoid heat recovery equipment overload operation, improve the overheating protection effect of heat recovery equipment, improve the high temperature steam heat energy recovery overheating protection device of equipment operation safety.

[0006] The utility model discloses a high temperature steam heat energy recovery overheating protection device, including heat recovery equipment and casing, heat recovery equipment sets up in the inside of casing, and the air inlet end and exhaust end of heat recovery equipment all stretch out the outside of casing, still including heat abstractor, control device, net board, groove and temperature sensor, net board sets up in the bottom end of casing, and the bottom end of heat recovery equipment is connected with the top end of net board, and the top end of groove is connected with the bottom end of casing, and temperature sensor installs on the lateral wall of casing outside, and temperature sensor communicates with heat recovery equipment, and heat abstractor sets up on casing and groove, and heat abstractor is used for cooling heat recovery equipment cooling, and control device communicates with the air inlet end of heat recovery equipment, and control device is used for the steam flow control of entering heat recovery equipment, high temperature steam passes through the air inlet end and enters the inside of heat recovery equipment, and the steam heat is recovered through heat recovery equipment, and the temperature of heat recovery equipment is monitored through temperature sensor, when heat recovery equipment temperature is too high, through heat abstractor, heat recovery equipment cooling cooling is reduced, and through control device, the steam flow of entering heat recovery equipment is reduced, thereby avoiding heat recovery equipment overload operation, improve the overheating protection effect of heat recovery equipment, improve the operation safety of equipment.

[0007] Preferably, the control device includes a cylinder, an air inlet pipe, a piston, an electric cylinder, a connecting rod, and a sealing cover. The cylinder is installed on the lateral wall of the casing, the air inlet end of the heat recovery equipment is in communication with the inside of the cylinder, the air inlet pipe is in communication and arranged on the lateral wall of the cylinder, the piston is slidably arranged in the inside of the cylinder, and the piston is provided with a slot. The electric cylinder is installed at the bottom end of the cylinder, the moving end of the electric cylinder is connected with the piston, the bottom end of the connecting rod is connected with the top end of the piston, the top end of the connecting rod is connected with the lateral wall of the sealing cover, and the sealing cover is arranged at the top opening of the cylinder. High temperature steam is transported into the inside of the cylinder through the air inlet pipe, and then the high temperature steam is transported into the inside of the heat recovery equipment through the air inlet end. When the temperature of the heat recovery equipment is too high, the piston is pushed upward by the electric cylinder, a part of the air inlet end of the heat recovery equipment is blocked after the piston moves upward, thereby reducing the steam flow entering the heat recovery equipment, and improving the cooling effect of the heat recovery equipment. Because of the slot of the piston, the steam in the air inlet pipe can normally enter the inside of the cylinder. After the piston moves upward, the sealing cover is pushed upward by the connecting rod, the top opening of the cylinder is opened by the sealing cover, thereby making the excess steam in the cylinder be discharged through the top opening, and avoiding the damage of the equipment caused by the increase of the steam pressure.

[0008] Preferably, the heat dissipation device comprises a ring-shaped pipe, a plurality of spray heads and a pump body, the tank body is provided with cooling water, the top of the shell body is provided with a plurality of exhaust ports, the ring-shaped pipe is installed on the inner side wall of the shell body, the plurality of spray heads are communicated and arranged on the ring-shaped pipe, the input end of the pump body is communicated with the tank body, and the output end of the pump body is communicated with the ring-shaped pipe; the cooling water in the tank body is pumped out by the pump body, so that the cooling water is transported to the inside of the ring-shaped pipe, and then the cooling water is sprayed on the surface of the heat recovery equipment by the plurality of spray heads to form a water film, so that the cooling water cools the heat recovery equipment, and at the same time, the heat recovery equipment evaporates the cooling water due to heat, so that the heat recovery equipment is further cooled, and the cooling effect of the heat recovery equipment is improved.

[0009] Preferably, the heat dissipation device comprises a ring-shaped pipe, a plurality of spray heads and a pump body, the tank body is provided with cooling water, the top of the shell body is provided with a plurality of exhaust ports, the ring-shaped pipe is installed on the inner side wall of the shell body, the plurality of spray heads are communicated and arranged on the ring-shaped pipe, the input end of the pump body is communicated with the tank body, and the output end of the pump body is communicated with the ring-shaped pipe; the cooling water in the tank body is pumped out by the pump body, so that the cooling water is transported to the inside of the ring-shaped pipe, and then the cooling water is sprayed on the surface of the heat recovery equipment by the plurality of spray heads to form a water film, so that the cooling water cools the heat recovery equipment, and at the same time, the heat recovery equipment evaporates the cooling water due to heat, so that the heat recovery equipment is further cooled, and the cooling effect of the heat recovery equipment is improved.

[0010] Preferably, the heat dissipation device comprises a ring-shaped pipe, a plurality of spray heads and a pump body, the tank body is provided with cooling water, the top of the shell body is provided with a plurality of exhaust ports, the ring-shaped pipe is installed on the inner side wall of the shell body, the plurality of spray heads are communicated and arranged on the ring-shaped pipe, the input end of the pump body is communicated with the tank body, and the output end of the pump body is communicated with the ring-shaped pipe; the cooling water in the tank body is pumped out by the pump body, so that the cooling water is transported to the inside of the ring-shaped pipe, and then the cooling water is sprayed on the surface of the heat recovery equipment by the plurality of spray heads to form a water film, so that the cooling water cools the heat recovery equipment, and at the same time, the heat recovery equipment evaporates the cooling water due to heat, so that the heat recovery equipment is further cooled, and the cooling effect of the heat recovery equipment is improved.

[0011] Preferably, the heat dissipation device comprises a ring-shaped pipe, a plurality of spray heads and a pump body, the tank body is provided with cooling water, the top of the shell body is provided with a plurality of exhaust ports, the ring-shaped pipe is installed on the inner side wall of the shell body, the plurality of spray heads are communicated and arranged on the ring-shaped pipe, the input end of the pump body is communicated with the tank body, and the output end of the pump body is communicated with the ring-shaped pipe; the cooling water in the tank body is pumped out by the pump body, so that the cooling water is transported to the inside of the ring-shaped pipe, and then the cooling water is sprayed on the surface of the heat recovery equipment by the plurality of spray heads to form a water film, so that the cooling water cools the heat recovery equipment, and at the same time, the heat recovery equipment evaporates the cooling water due to heat, so that the heat recovery equipment is further cooled, and the cooling effect of the heat recovery equipment is improved.

[0012] Preferably, the heat dissipation device comprises a ring-shaped pipe, a plurality of spray heads and a pump body, the tank body is provided with cooling water, the top of the shell body is provided with a plurality of exhaust ports, the ring-shaped pipe is installed on the inner side wall of the shell body, the plurality of spray heads are communicated and arranged on the ring-shaped pipe, the input end of the pump body is communicated with the tank body, and the output end of the pump body is communicated with the ring-shaped pipe; the cooling water in the tank body is pumped out by the pump body, so that the cooling water is transported to the inside of the ring-shaped pipe, and then the cooling water is sprayed on the surface of the heat recovery equipment by the plurality of spray heads to form a water film, so that the cooling water cools the heat recovery equipment, and at the same time, the heat recovery equipment evaporates the cooling water due to heat, so that the heat recovery equipment is further cooled, and the cooling effect of the heat recovery equipment is improved.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: high-temperature steam enters the heat recovery equipment through the air inlet, the steam heat is recovered by the heat recovery equipment, the temperature of the heat recovery equipment is monitored by the temperature sensor, when the temperature of the heat recovery equipment is too high, the heat recovery equipment is cooled and cooled by the heat dissipation device, and at the same time, the steam flow into the heat recovery equipment is reduced by the control device, so that the heat recovery equipment is prevented from overloading, the overheat protection effect of the heat recovery equipment is improved, and the operation safety of the equipment is improved. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the axonometric structure schematic view of the utility model;

[0015] Figure 2 It is the axonometric structure schematic view of the shell body and the temperature sensor and the like connection;

[0016] Figure 3 It is the axonometric structure schematic view of the connecting rod and the sealing cover and the like connection;

[0017] Figure 4 is the shell and the protective net connection axis measurement structure schematic diagram;

[0018] Figure 5 is the channel and the fan connection axis measurement local structure schematic diagram.

[0019] Marked in the drawings: 1, heat recovery equipment; 2, shell; 3, net plate; 4, groove; 5, temperature sensor; 6, cylinder; 7, air inlet pipe; 8, piston; 9, electric cylinder; 10, connecting rod; 11, sealing cover; 12, annular pipe; 13, spray head; 14, pump body; 15, channel; 16, fan; 17, protective net; 18, flow meter; 19, liquid level sensor. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The present application 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 present application more thorough and comprehensive. EMBODIMENT

[0021] As Figures 1 to 5 shown, the high-temperature steam heat energy recovery overheating protection device of the present application comprises a heat recovery equipment 1 and a shell 2, the heat recovery equipment 1 is arranged inside the shell 2, and the air inlet end and the air outlet end of the heat recovery equipment 1 are both extended outside the shell 2; further comprising a heat dissipation device, a control device, a net plate 3, a groove 4 and a temperature sensor 5, the net plate 3 is arranged at the bottom end of the shell 2, the bottom end of the heat recovery equipment 1 is connected with the top end of the net plate 3, the top end of the groove 4 is connected with the bottom end of the shell 2, the temperature sensor 5 is installed on the outer side wall of the shell 2, and the temperature sensor 5 is communicated with the heat recovery equipment 1, the heat dissipation device is arranged on the shell 2 and the groove 4, the heat dissipation device is used for cooling and cooling the heat recovery equipment 1, the control device is communicated with the air inlet end of the heat recovery equipment 1, and the control device is used for controlling the steam flow entering the heat recovery equipment 1;

[0022] As Figure 3 shown, the control device comprises a cylinder 6, an air inlet pipe 7, a piston 8, an electric cylinder 9, a connecting rod 10 and a sealing cover 11, the cylinder 6 is installed on the outer side wall of the shell 2, the air inlet end of the heat recovery equipment 1 is communicated with the inside of the cylinder 6, the air inlet pipe 7 is communicated and arranged on the outer side wall of the cylinder 6, the piston 8 is arranged in the cylinder 6 in up-down sliding mode, and the piston 8 is provided with a slot on the top, the electric cylinder 9 is installed at the bottom end of the cylinder 6, the moving end of the electric cylinder 9 is connected with the piston 8, the bottom end of the connecting rod 10 is connected with the top end of the piston 8, the top end of the connecting rod 10 is connected with the outer side wall of the sealing cover 11, and the sealing cover 11 is arranged at the top opening of the cylinder 6;

[0023] In the embodiment, high-temperature steam enters the inside of the heat recovery device 1 through the air inlet end, the steam heat is recovered through the heat recovery device 1, the temperature of the heat recovery device 1 is monitored through the temperature sensor 5, when the temperature of the heat recovery device 1 is too high, the heat recovery device 1 is cooled through the heat dissipation device, and the steam flow entering the heat recovery device 1 is reduced through the control device, so that the heat recovery device 1 is prevented from overloading, the overheating protection effect of the heat recovery device 1 is improved, and the operation safety of the device is improved. Embodiment

[0024] Based on the embodiment 1, as shown in the embodiment 1, the high-temperature steam heat recovery overheating protection device comprises a heat dissipation device, a heat recovery device 1, a temperature sensor 5, a control device and a tank body 4. Figure 2 As shown in the embodiment 1, the heat dissipation device comprises an annular pipe 12, a plurality of spray heads 13 and a pump body 14, the tank body 4 is provided with cooling water, the shell 2 is provided with a plurality of exhaust ports at the top end, the annular pipe 12 is installed on the inner side wall of the shell 2, the plurality of spray heads 13 are communicated and arranged on the annular pipe 12, the pump body 14 is communicated with the tank body 4 at the input end, and the pump body 14 is communicated with the annular pipe 12 at the output end.

[0025] As shown in the embodiment 1, the heat dissipation device further comprises a plurality of channels 15 and a plurality of fans 16, the plurality of channels 15 are circumferentially arranged on the tank body 4, and the plurality of fans 16 are respectively installed on the inner side walls of the plurality of channels 15. Figure 2 As shown in the embodiment 1, the heat dissipation device further comprises a plurality of protective nets 17, and the plurality of protective nets 17 are respectively installed at the plurality of exhaust ports at the top end of the shell 2.

[0026] Figure 4 As shown in the embodiment 1, the heat dissipation device further comprises a flow meter 18, and the flow meter 18 is communicated and arranged on the air inlet end of the heat recovery device 1.

[0027] As shown in the embodiment 1, the heat dissipation device further comprises a liquid level sensor 19, and the liquid level sensor 19 is communicated and arranged on the tank body 4. Figure 3

[0028] As shown in the embodiment 1, the heat dissipation device further comprises a liquid level sensor 19, and the liquid level sensor 19 is communicated and arranged on the tank body 4. Figure 2

[0029] ​​​In the embodiment, high-temperature steam is delivered to the inside of the cylinder 6 through the air inlet pipe 7, and then the high-temperature steam is delivered to the inside of the heat recovery device 1 through the air inlet end, when the temperature of the heat recovery device 1 is too high, the piston 8 is pushed to move upward by the electric cylinder 9, after the piston 8 moves upward, the air inlet end of the heat recovery device 1 is blocked partially, so that the flow of the steam into the heat recovery device 1 is reduced, and the cooling effect of the heat recovery device 1 is improved, due to the slot setting of the piston 8, the steam in the air inlet pipe 7 can enter the inside of the cylinder 6 normally, after the piston 8 moves upward, the sealing cover 11 is pushed to move upward by the connecting rod 10, so that the sealing cover 11 opens the opening at the top end of the cylinder 6, so that the excess steam in the cylinder 6 is discharged through the opening at the top end, so that the equipment damage caused by the increase of the steam pressure is avoided, the cooling water in the groove body 4 is pumped out by the pump body 14, so that the cooling water is delivered to the inside of the annular pipe 12, and then the cooling water is sprayed on the surface of the heat recovery device 1 by a plurality of spray heads 13 to form a water film, so that the cooling water cools the heat recovery device 1, and at the same time, the heat recovery device 1 evaporates the cooling water, so that the heat recovery device 1 is further cooled, and the cooling effect of the heat recovery device 1 is improved.

[0030] The high-temperature steam heat energy recovery overheating protection device of the utility model, when working, high-temperature steam enters the inside of the heat recovery device 1 through the air inlet end, the steam heat is recovered through the heat recovery device 1, the temperature of the heat recovery device 1 is monitored through the temperature sensor 5, when the temperature of the heat recovery device 1 is too high, the heat recovery device 1 is cooled and cooled through the heat dissipation device, and the steam flow into the heat recovery device 1 is reduced through the control device.

[0031] The heat recovery device 1, the temperature sensor 5, the electric cylinder 9, the pump body 14, the fan 16, the flow meter 18 and the liquid level sensor 19 of the high-temperature steam heat energy recovery overheating protection device of the utility model are 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.

[0032] The preferred embodiments of the utility model are described above, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principles 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 high-temperature steam heat energy recovery superheat protection device, comprising a heat recovery device (1) and a shell (2), the heat recovery device (1) is arranged inside the shell (2), and the air inlet end and the air outlet end of the heat recovery device (1) both extend outside the shell (2); characterized in that, The heat dissipation device, the control device, the mesh plate (3), the groove body (4) and the temperature sensor (5) are further included. The mesh plate (3) is arranged at the bottom end of the shell (2), the bottom end of the heat recovery device (1) is connected with the top end of the mesh plate (3), the top end of the groove body (4) is connected with the bottom end of the shell (2), the temperature sensor (5) is installed on the outer side wall of the shell (2), the temperature sensor (5) is communicated with the heat recovery device (1), the heat dissipation device is arranged on the shell (2) and the groove body (4), and the heat dissipation device is used for cooling the heat recovery device (1). The control device is communicated with the gas inlet end of the heat recovery device (1), and the control device is used for controlling the steam flow entering the heat recovery device (1).

2. A high temperature steam heat energy recovery superheat protection device as described in claim 1, wherein, The control device includes a cylinder (6), an air inlet pipe (7), a piston (8), an electric cylinder (9), a connecting rod (10) and a sealing cover (11). The cylinder (6) is installed on the outer side wall of the shell (2), the air inlet end of the heat recovery device (1) is communicated with the inside of the cylinder (6), the air inlet pipe (7) is communicated and arranged on the outer side wall of the cylinder (6), the piston (8) is arranged in the cylinder (6) in an up-down sliding mode, the piston (8) is provided with a slot on the top, the electric cylinder (9) is installed at the bottom end of the cylinder (6), the moving end of the electric cylinder (9) is connected with the piston (8), the bottom end of the connecting rod (10) is connected with the top end of the piston (8), the top end of the connecting rod (10) is connected with the outer side wall of the sealing cover (11), and the sealing cover (11) is arranged at the top opening of the cylinder (6).

3. A high temperature steam heat energy recovery superheat protection device as described in claim 1, wherein, The heat dissipation device includes an annular pipe (12), a plurality of spray heads (13) and a pump body (14). The groove body (4) is provided with cooling water, the top end of the shell (2) is provided with a plurality of exhaust ports, the annular pipe (12) is installed on the inner side wall of the shell (2), the plurality of spray heads (13) are communicated and arranged on the annular pipe (12), the input end of the pump body (14) is communicated with the groove body (4), and the output end of the pump body (14) is communicated with the annular pipe (12).

4. A high temperature steam heat energy recovery superheat protection device as described in claim 1, wherein, A plurality of channels (15) and a plurality of fans (16) are further included. The plurality of channels (15) are circumferentially arranged on the groove body (4), and the plurality of fans (16) are respectively installed on the inner side walls of the plurality of channels (15).

5. A high temperature steam heat energy recovery superheat protection device as described in claim 1 wherein, A plurality of protective nets (17) are further included. The plurality of protective nets (17) are respectively installed at the plurality of exhaust ports at the top end of the shell (2).

6. A high temperature steam heat energy recovery superheat protection device as described in claim 1, wherein, A flow meter (18) is further included. The flow meter (18) is communicated and arranged on the air inlet end of the heat recovery device (1).

7. A high temperature steam heat energy recovery superheat protection device as described in claim 1 wherein, A liquid level sensor (19) is further included. The liquid level sensor (19) is communicated and arranged on the groove body (4).

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