CN217785908U

CN217785908U - Contain salt waste liquid and burn flue gas waste heat recovery device

Info

Publication number: CN217785908U
Application number: CN202221780639.2U
Authority: CN
Inventors: 车秀波; 张德仕; 刘明仁; 董伟; 陈作林; 苏雪莹
Original assignee: Shandong Jincheng Huirui Environmental Protection Technology Co ltd
Current assignee: Shandong Jincheng Huirui Environmental Protection Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-11
Anticipated expiration: 2032-07-12

Abstract

The utility model provides a contain salt waste liquid and burn flue gas waste heat recovery device, including the heat exchanger, the ash bucket, left side jetting device, right side jetting device, the ash bucket is located the heat exchanger lower part, the heat exchanger includes left head, the distribution chamber, the left branch strut, the heat exchange tube, the baffling board, right side head, collect the chamber, right branch strut, the cooling water entry, the cooling water export, the flue gas entry, the exhanst gas outlet, heat exchange tube one end is installed on left branch strut, the other end is installed on right branch strut, be the distribution chamber between left side head and the left branch strut, for collecting the chamber between right side head and the right branch strut, left side jetting device is the same with right jetting device structure, the heat exchange tube passes left jetting pipe and right jetting pipe in left jetting device and the right jetting device in proper order. The utility model discloses a contain salt waste liquid and burn flue gas waste heat recovery device when preventing blockking up, can get rid of the partial particulate matter in the flue gas, reduces the degree of difficulty that follow-up smoke and dust was handled, and equipment is simple, easy operation.

Description

Contain salt waste liquid and burn flue gas waste heat recovery device

Technical Field

The utility model belongs to the technical field of the heat exchanger, especially, relate to a contain salt waste liquid and burn flue gas waste heat recovery device.

Background

The heat exchanger is an energy-saving device for realizing heat transfer between hot fluid and cold fluid, heat is transferred from the fluid with relatively high temperature to the fluid with relatively low temperature, with the steady promotion of national economy and social development, the domestic requirements on energy consumption reduction and energy efficiency improvement of enterprises are increasingly urgent, and the high-efficiency heat exchanger is one of the most important advantages for promoting the development of energy-saving and environment-friendly career in China. The flue gas waste heat recovery technology is one of the key technologies for saving energy and reducing consumption, and the heat exchanger is the most commonly used equipment in flue gas waste heat recovery. In the flue gas of incineration treatment of the salt-containing waste liquid, a large amount of dust particles and crystallized salts are contained, and the dust particles and the crystallized salts are easy to harden on the heat exchange tubes in the heat exchange process, so that the heat exchanger cannot work normally, and the flue gas heat exchange in the production process is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the heat exchanger blockked up easily among the salt waste liquid incineration waste heat recovery process, the utility model discloses a salt waste liquid incineration flue gas waste heat recovery device when preventing blockking up, can get rid of the partial particulate matter in the flue gas, reduces the degree of difficulty that follow-up smoke and dust was handled, and equipment is simple, easy operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a saliferous waste liquid incineration flue gas waste heat recovery device comprises a heat exchanger, an ash bucket, a left blowing device and a right blowing device, wherein the ash bucket is conical and is positioned at the lower part of the heat exchanger, the heat exchanger comprises a left end socket, a distribution cavity, a left support frame, a heat exchange tube, a baffle plate, a right end socket, a collection cavity, a right support frame, a cooling water inlet, a cooling water outlet, a flue gas inlet and a flue gas outlet, one end of the heat exchange tube is arranged on the left support frame, the other end of the heat exchange tube is arranged on the right support frame, the distribution cavity is arranged between the left end socket and the left support frame, the collection cavity is arranged between the right end socket and the right support frame, the left blowing device comprises a left air bag, a left pulse valve, a left air box and a left blowing pipe, the left air bag is positioned outside the heat exchanger, the left air box is positioned on the inner side of the left support frame, the left air bag is connected with the left air box through an air pipe, the left pulse valve is arranged on an air pipe between the left air bag and the left air box, and the left blowing pipe is in a hollow horn shape; the right injection device comprises a right air bag, a right pulse valve, a right air box and a right injection tube, the right air bag is located outside the heat exchanger, the right air box is located on the inner side of the right support frame, the right air bag is connected with the right air box through an air pipe, the right pulse valve is installed on the air pipe between the right air bag and the right air box, the right injection tube is in a hollow horn shape, and the heat exchange tube sequentially penetrates through the left injection tube and the right injection tube.

Furthermore, the side wall of the ash bucket is provided with 3-5 mechanical rapping devices, the mechanical rapping devices are evenly distributed on the side wall of the ash bucket, the bottom of the ash bucket is provided with an ash discharge port, and the ash discharge port is provided with an ash discharge valve.

Furthermore, the blowing cavity of the left blowing pipe is surrounded by a spring piece, the spring piece is horn-shaped, the diameter of the tail end of the spring piece is contracted, the inner wall of the spring piece is tightly attached to the outer wall of the heat exchange pipe, and the right blowing pipe and the left blowing pipe have the same structure.

Furthermore, the cooling water inlet is positioned on the left end socket, the cooling water outlet is positioned on the right end socket, the flue gas inlet is positioned on the left side of the shell of the heat exchanger, and the flue gas outlet is positioned on the right side of the shell of the heat exchanger.

Furthermore, the number of the baffle plates is multiple, and the baffle plates are distributed in the heat exchanger in a staggered manner.

The utility model discloses a contain salt waste liquid and burn flue gas waste heat recovery device, heat transfer fluid flows in the heat exchange tube, the high temperature flue gas is got into by the heat exchanger lateral wall, under the block of heat exchange tube, partial smoke and dust in the flue gas sinks under the action of gravity and gets into the ash bucket, partial smoke and dust is on attached to the heat exchange tube outer wall, after operation a period, open left side jetting device and right jetting device, the gas box is controlled in the high-pressure gas gets into, the spring leaf of jetting pipe about the jetting pipe is left and right flung under the pressure action, make the slit appear between spring leaf and the heat exchange tube, high-pressure gas hugs closely the blowout of heat pipe outer wall by the slit, adopt high-pressure gas to strike off the dust and the salt that hardens attached to the heat exchange tube, make it drop the ash bucket, after a period, the ash discharge valve who opens the ash bucket unloads the ash, the ash bucket has great space, the velocity of flow of flue gas is reduced in ash bucket department, make particulate matters such as the dust of carrying subside under the action more easily, in order to prevent that smoke and dust and salt from hardening at the ash bucket inner wall, the ash bucket is equipped with mechanical vibration device, make the dust on the ash bucket inner wall more easily slide and fall. The baffle plate is arranged in the heat exchanger, so that the stroke of high-temperature flue gas in the heat exchanger is increased, the heat exchange is more sufficient, and simultaneously, due to the blocking effect of the baffle plate, dust in the flue gas is more easily settled.

Drawings

FIG. 1 is a schematic structural view of a device for recovering waste heat from incineration flue gas of waste liquid containing salt according to the present invention;

figure 2 is a schematic view of the structure of the left blowing tube.

The system comprises a heat exchanger 1, an ash hopper 2, a left blowing device 3, a right blowing device 4, a left sealing head 101, a distribution cavity 102, a left support frame 103, a heat exchange tube 104, a baffle plate 105, a right sealing head 106, a collecting cavity 107, a right support frame 108, a cooling water inlet 109, a cooling water outlet 110, a flue gas inlet 111, a flue gas outlet 112, a mechanical rapping device 201, an ash discharge port 202, an ash discharge valve 203, a left air bag 301, a left pulse valve 302, a left air box 303, a left blowing pipe 304, a spring leaf 3041, a blowing cavity 3042, a right air bag 401, a right pulse valve 402, a right air box 403 and a right blowing pipe 404.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

The device for recovering the waste heat of the flue gas generated by incinerating the waste liquid containing salt comprises a heat exchanger 1, an ash bucket 2, a left blowing device 3 and a right blowing device 4, wherein the ash bucket 2 is conical and is positioned at the lower part of the heat exchanger 1, the side wall of the ash bucket 2 is provided with 3 mechanical rapping devices 201, the mechanical rapping devices 201 are evenly distributed on the side wall of the ash bucket, the bottom of the ash bucket 2 is provided with an ash discharge port 202, and the ash discharge port 202 is provided with an ash discharge valve 203; the heat exchanger 1 comprises a left end socket 101, a distribution cavity 102, a left support frame 103, a heat exchange tube 104, baffles 105, a right end socket 106, a collection cavity 107, a right support frame 108, a cooling water inlet 109, a cooling water outlet 110, a flue gas inlet 111 and a flue gas outlet 112, wherein one end of the heat exchange tube 104 is installed on the left support frame 103, the other end of the heat exchange tube is installed on the right support frame 108, the distribution cavity 102 is arranged between the left end socket 101 and the left support frame 103, the collection cavity 107 is arranged between the right end socket 106 and the right support frame 108, the cooling water inlet 109 is arranged on the left end socket 101, the cooling water outlet 110 is arranged on the right end socket 106, the flue gas inlet 111 is arranged on the left side of a shell of the heat exchanger 1, the flue gas outlet 112 is arranged on the right side of the shell of the heat exchanger 1, the number of the baffles 105 is 3, and the baffles are distributed in the heat exchanger 1 in a staggered manner; the left blowing device 3 comprises a left air bag 301, a left pulse valve 302, a left air box 303 and a left blowing pipe 304, the left air bag 301 is positioned outside the heat exchanger 1, the left air box 303 is positioned inside the left support frame 103, the left air bag 301 is connected with the left air box 303 through an air pipe, the left pulse valve 302 is installed on the air pipe between the left air bag 301 and the left air box 303, the left blowing pipe 304 is in a hollow horn shape, the heat exchange pipe 104 penetrates through the left blowing pipe 304, a blowing cavity 3042 of the left blowing pipe 304 is surrounded by a spring sheet 3041, the spring sheet 304 is in a horn shape, the diameter of the tail end of the spring sheet is contracted, the inner wall of the spring sheet is tightly attached to the outer wall of the heat exchange pipe 104, and the right blowing pipe 404 and the left blowing pipe 304 have the same structure; the right blowing device 4 comprises a right air bag 401, a right pulse valve 402, a right air box 403 and a right blowing pipe 404, the right air bag 401 is positioned outside the heat exchanger 1, the right air box 403 is positioned inside the right supporting frame 108, the right air bag 401 is connected with the right air box 403 through an air pipe, the right pulse valve 402 is arranged on the air pipe between the right air bag 401 and the right air box 403, the right blowing pipe 404 is in a hollow horn shape, and the heat exchange pipe 104 penetrates through the right blowing pipe 404.

Those of ordinary skill in the art will understand that: the foregoing is illustrative of the present invention, and is not to be construed as limited thereto, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The device for recovering the waste heat of the flue gas generated by incineration of the salt-containing waste liquid is characterized by comprising a heat exchanger, an ash bucket, a left injection device and a right injection device, wherein the ash bucket is conical and is positioned at the lower part of the heat exchanger, the heat exchanger comprises a left end socket, a distribution cavity, a left support frame, a heat exchange tube, a baffle plate, a right end socket, a collection cavity, a right support frame, a cooling water inlet, a cooling water outlet, a flue gas inlet and a flue gas outlet, one end of the heat exchange tube is installed on the left support frame, the other end of the heat exchange tube is installed on the right support frame, the distribution cavity is formed between the left end socket and the left support frame, the collection cavity is formed between the right end socket and the right support frame, the left injection device comprises a left air bag, a left pulse valve, a left air box and a left injection pipe, the left air bag is positioned outside the heat exchanger, the left air box is positioned on the inner side of the left support frame, the left air bag is connected with the left air box through an air pipe, the left pulse valve is installed on the air pipe between the left air bag and the left air box, and the left injection pipe is in a hollow horn shape; the right injection device comprises a right air bag, a right pulse valve, a right air box and a right injection tube, the right air bag is located outside the heat exchanger, the right air box is located on the inner side of the right support frame, the right air bag is connected with the right air box through an air pipe, the right pulse valve is installed on the air pipe between the right air bag and the right air box, the right injection tube is in a hollow horn shape, and the heat exchange tube sequentially penetrates through the left injection tube and the right injection tube.

2. The device for recovering the waste heat of flue gas generated by incinerating saliferous waste liquid according to claim 1, wherein the side wall of the ash bucket is provided with 3-5 mechanical rapping devices which are evenly distributed on the side wall of the ash bucket, the bottom of the ash bucket is provided with an ash discharge port, and the ash discharge port is provided with an ash discharge valve.

3. The device for recovering the waste heat of flue gas generated by incinerating salt-containing waste liquid according to claim 1, wherein the blowing cavity of the left blowing pipe is defined by spring pieces, the spring pieces are in a horn shape, the diameters of the tail ends of the spring pieces are contracted, the inner wall of the spring pieces is tightly attached to the outer wall of the heat exchange pipe, and the structure of the right blowing pipe is the same as that of the left blowing pipe.

4. The device for recovering the waste heat of the flue gas generated by incinerating the salt-containing waste liquid according to claim 1, wherein the cooling water inlet is positioned on a left end socket, the cooling water outlet is positioned on a right end socket, the flue gas inlet is positioned on the left side of the shell of the heat exchanger, and the flue gas outlet is positioned on the right side of the shell of the heat exchanger.

5. The device for recovering the waste heat of the flue gas generated by incinerating the saline waste liquid according to claim 1, wherein the number of the baffle plates is multiple, and the baffle plates are distributed in the heat exchanger in a staggered manner.