CN-224215347-U - Circulating water heat exchanger for waste heat utilization of associated gas discharge torch

CN224215347UCN 224215347 UCN224215347 UCN 224215347UCN-224215347-U

Abstract

A circulating water heat exchanger for waste heat utilization of associated gas discharge torches belongs to the technical field of heat energy recycling equipment and aims to solve the problem that the heat energy utilization is carried out by reducing waste of burning heat energy of the existing oilfield associated gas torches. The conical spiral heat conducting coil body is formed by connecting a metal heat conducting coil water outlet tube bundle in parallel with one end of a conical spiral heat conducting coil group and a metal heat conducting coil water inlet tube bundle in parallel with the other end of the conical spiral heat conducting coil group, isolating support connecting plate ribs are welded in mutual gaps of all tube bodies of the conical spiral heat conducting coil group, a coil centralizing positioner is welded at the top of the metal heat conducting coil group, a heat conducting coil support bottom tray is welded at the bottom of the metal heat conducting coil group, the conical spiral heat conducting coil body is sleeved in an inner cavity of a torch cylinder body, and an outer connecting tube joint of the metal heat conducting coil water outlet tube bundle and an outer connecting tube joint of the metal heat conducting coil water inlet tube bundle are both epitaxially connected to the outer side of the torch cylinder body. The whole structure is novel and practical, and is suitable for the utilization of heat energy of associated gas discharge torch.

Inventors

SUN HAILONG
WANG XINGJUN
TIAN HAITAO
LI CHONG
YANG JIE
Shen Zongze
WEI SHENGJIE
WU YUTONG

Assignees

沧州市鑫联电气控制设备有限公司

Dates

Publication Date: 20260508
Application Date: 20250513

Claims (10)

1. The utility model provides a circulating water heat exchanger of associated gas emission torch waste heat utilization, it includes torch barrel (4), associated gas torch burning shower nozzle (5), its characterized in that still includes conical heliciform heat conduction coil main part (1), keeps apart and supports connecting plate muscle (101), heat conduction coil support collet (6), coil centering locator (7), refractory concrete drum base (8), conical heliciform heat conduction coil main part (1) is parallelly connected in metal heat conduction coil water outlet pipe bundle (2) by conical heliciform heat conduction coil main part (1), the other end parallelly connected in metal heat conduction coil water inlet pipe bundle (3) to press from both sides the pad in each body mutual gap of conical heliciform heat conduction coil group and welded and have kept apart support connecting plate muscle (101) and welded and have connected coil centering locator (7) at the top structure of conical heliciform heat conduction coil, bottom structure welded and have heat conduction coil support collet (6), heat conduction coil support collet (6) bottom is by lower margin screwed connection on refractory concrete drum base (8), conical heliciform coil main part (1) are in the inner chamber suit of conical heliciform heat conduction coil main part (4) in metal coil water outlet pipe bundle (2), and outside the extension pipe joint (4) of metal coil pipe and the outer side of coupling (4) are connected in the torch barrel.
2. A circulating water heat exchanger for waste heat utilization of associated gas discharge flare as claimed in claim 1, wherein, The water outlet pipe bundle (2) of the metal heat conduction coil is formed by welding a heating coil return pipe elbow (201) and the other end of the heating coil return pipe elbow (201) on the water outlet pipe opening on the top end side of the metal heat conduction coil of a conical spiral heat conduction coil main body (1) correspondingly to the pipe opening at the upper end of a water outlet pipe bundle vertical connecting pipe bundle (202), welding a water outlet pipe bundle vertical connecting pipe elbow (203) on the pipe opening on the lower end side of the water outlet pipe bundle vertical connecting pipe bundle (202), sealing and parallel-connection the pipe opening at the other end of the water outlet pipe bundle vertical connecting pipe elbow (203) penetrating through the pipe wall of a water outlet collecting pipe and welding the pipe wall of the water outlet collecting pipe together to the water outlet collecting pipe (204), and mutually sealing and welding a closed pipe cavity of the water outlet collecting pipe (204) and a water return pipe (205) to form a communication channel of the water return pipe bundle into a conical spiral metal coil circulation water pipe loop; The conical spiral metal coil circulating water inlet pipe bundle (3) is a conical spiral metal coil circulating water inlet pipe loop formed by welding a heating coil water inlet pipe elbow (301) at the water outlet pipe opening at the bottom end side of a metal heat conduction coil of a conical spiral heat conduction coil main body (1), penetrating the pipe wall of a water inlet collecting pipe at the pipe opening at the other end of the heating coil water inlet pipe elbow (301), sealing and parallel-connecting the pipe wall of the water inlet collecting pipe in a sealed mode, and mutually sealing and welding a sealed pipe cavity of the water inlet pipe collecting pipe (302) and a water supply pipeline (303) of the heating coil to form a communication channel of the water inlet pipe bundle.
3. The circulating water heat exchanger for waste heat utilization of associated gas discharge torches according to claim 1 is characterized in that the conical spiral heat conducting coil main body (1) is a conical spiral heat conducting coil group of a spiral vertical conical cylindrical structure formed by coiling and bending fluid steel pipes which are formed by connecting 1-8 heat conducting pipes into a whole in a continuous sealing mode, the heat conducting pipe body of the conical spiral heat conducting coil main body (1) is a heat conducting coil made of any one of stainless steel pipes, alloy steel pipes and silicon carbide ceramic heat exchanging pipes, and the vertical taper (a) of the outer body of the conical spiral heat conducting coil main body (1) is 1-8 degrees.
4. The circulating water heat exchanger for waste heat utilization of associated gas discharge torches according to claim 1, wherein the water outlet pipe bundle (2) of the metal heat conducting coil is a return bend pipe directly bent by fluid steel pipes of the metal heat conducting coil of the conical spiral heat conducting coil main body (1), the return bend pipe is connected with an upper pipe orifice of the water outlet pipe bundle vertical connecting pipe bundle (202) to replace a heating coil return pipe elbow (201), and the fluid steel pipes of the metal heat conducting coil of the water outlet pipe bundle vertical connecting pipe bundle (202) are directly bent and connected with a water outlet collecting pipe (204) to replace the water outlet pipe bundle vertical connecting pipe elbow (203).
5. The circulating water heat exchanger for waste heat utilization of associated gas discharge torches according to claim 1, wherein the supporting and connecting plate ribs (101) are any one of metal square steel sections, metal round steel sections and metal steel pipe sections.
6. The circulating water heat exchanger for waste heat utilization of associated gas discharge torches according to claim 1, wherein the circular heat conducting coil supporting bottom tray (6) is a circular heat conducting coil supporting bottom tray made of any one material of stainless steel plates, alloy steel plates and high temperature resistant steel plates, and the circular heat conducting coil supporting bottom tray (6) is welded at the bottom of the conical spiral heat conducting coil main body (1) through a horizontal welding structure.
7. The circulating water heat exchanger for waste heat utilization of associated gas discharge torches according to claim 1, wherein the coil pipe righting positioner (7) comprises an arc-shaped supporting connection steel plate (701), a body interconnection plate (702) and a three-dimensional connection supporting steel plate (703), wherein the inner end of the body interconnection plate (702) is connected with the arc-shaped supporting connection steel plate (701), the outer end of the body interconnection plate is connected with the three-dimensional connection supporting steel plate (703), the three-dimensional connection supporting steel plate (703) is embedded and connected with a lining fireproof heat insulation layer (402) of a torch barrel body (4), and the arc-shaped supporting connection steel plate (701) is welded and connected with a conical spiral heat conducting coil pipe body (1).
8. The circulating water heat exchanger for waste heat utilization of associated gas discharge torches according to claim 2, wherein the water outlet collecting pipe (204) connected with the water outlet pipe bundle vertical connecting pipe group (202) is formed by opening a plurality of parallel connecting holes on the pipe wall of the water outlet collecting pipe, the metal heat conduction fluid pipe orifices of the water outlet pipe bundle vertical connecting pipe group (202) connected in parallel are inserted into the connecting holes to sequentially penetrate and be welded on the pipe wall of the water outlet collecting pipe (204), the outer end pipe orifice of the water outlet collecting pipe (204) is plugged by a screen cover sealing head (206), and the inner end pipe orifice is welded with a water return pipe (205) to form a water outlet fluid medium circulating loop.
9. The circulating water heat exchanger for waste heat utilization of associated gas discharge torches according to claim 1, wherein a water inlet pipe bundle collecting pipe (302) connected with the metal heat conducting coil circulating water inlet pipe bundle (3) is formed by opening a plurality of parallel connecting holes on the pipe wall of the water inlet collecting pipe, bottom pipe orifices of metal heat conducting fluid pipes, which are inserted with heating coil water inlet pipe elbows (301) connected in parallel, are sequentially penetrated and welded on the pipe wall of the water inlet pipe bundle collecting pipe (302), outer pipe orifices of the water inlet pipe bundle collecting pipe (302) are plugged by a screen cover sealing head (206), and inner pipe orifices are welded on water inlet pipe lines (303) to form a circulating loop of water inlet fluid media.
10. The circulating water heat exchanger for utilizing waste heat of associated gas discharge torches according to claim 1, wherein the torch cylinder body (4) is a steel plate cylinder outer sleeve body (403) formed by rolling and welding steel plates, a fire-resistant heat insulation layer (402) is lined in the body, a mounting fixing flange (401) is welded at the bottom of the torch cylinder body (4), and a detection manhole sealing cover (404) is arranged on the torch cylinder body positioned at the lower part of the heat conducting coil supporting bottom tray (6).

Description

Circulating water heat exchanger for waste heat utilization of associated gas discharge torch Technical Field The utility model belongs to the technical field of heat energy recycling equipment, and particularly relates to equipment for recycling heat energy of a petroleum associated gas torch. Technical Field Along with the vigorous development of the petroleum and natural gas industry and the continuous improvement of the requirements of energy conservation, consumption reduction and low carbon and environmental protection of oil fields, the method provides higher requirements for the recycling technology of heat energy generated by the combustion torch discharged by petroleum associated gas. In the known art, oilfield associated tail gas is a gas that cannot be directly utilized along with the discharge of petroleum liquids during oilfield exploitation. In the prior art, although the emission and burning conditions of the petroleum associated gas torch are controlled by an actual operation device by adopting a fire flooding method, a steam flooding method or a gas flooding method and the like, the emission and burning conditions are reduced as much as possible, the problem of waste of heat energy of burning the petroleum associated gas still exists, and effective recycling cannot be realized, whereas a conventional heat exchanger cannot withstand the high temperature of the associated gas torch gas reaching more than 1000 ℃ and contains corrosive components such as H 2S、CO2 and the like, for example, the associated gas emptying burning monitoring control torch disclosed in Chinese patent publication No. CN209605172U can monitor the combustibility of the associated gas in real time, improve the burning safety, but is limited by the structure of the associated gas torch, and still has a lifting space in the aspect of recycling heat energy of the petroleum associated gas torch, and the problem is directly related to recycling heat energy of the oilfield associated gas torch and realization of low-carbon environmental protection targets. Disclosure of utility model The utility model aims to overcome the defects of the prior art, solve the problem of waste heat energy generated by burning associated gas in an oilfield, and provide the novel hot water heat exchange device with a novel and practical structure and high associated gas discharge torch waste heat utilization efficiency based on the characteristics of the combustion heat radiation principle of associated gas flames. The utility model solves the problems by adopting the following technical scheme: The circulating water heat exchanger comprises a torch barrel, an associated gas torch burning nozzle, a conical spiral heat conducting coil body, an isolation supporting connection plate rib, a heat conducting coil supporting bottom tray, a coil centralizing positioner and a refractory concrete cylinder base, wherein one end of the conical spiral heat conducting coil body is connected with a metal heat conducting coil water outlet pipe bundle in parallel, the other end of the conical spiral heat conducting coil body is connected with a metal heat conducting coil water inlet pipe bundle in parallel, the isolation supporting connection plate rib is welded in a clamping pad mode in each pipe body mutual gap of the conical spiral heat conducting coil body, the coil centralizing positioner is welded at the top structure of the conical spiral heat conducting coil body, the heat conducting coil supporting bottom tray is welded at the bottom of the conical spiral heat conducting coil supporting bottom tray and connected to the refractory concrete cylinder base through screws, the conical spiral heat conducting coil body is sleeved in an inner cavity of the torch barrel, and an outer connecting pipe joint of the metal heat conducting coil water outlet pipe and an outer connecting pipe bundle of the metal heat conducting coil water inlet pipe bundle are both epitaxially connected to the outer side of the torch barrel. The water outlet pipe bundle of the metal heat conduction coil is formed by welding a heating coil return pipe elbow at the water outlet pipe opening at the top end side of the metal heat conduction coil of a conical spiral heat conduction coil main body, correspondingly welding the other end of the heating coil return pipe elbow at the pipe opening at the upper end of a water outlet pipe bundle vertical connecting pipe group, welding a water outlet pipe bundle vertical connecting pipe elbow at the lower end side of the water outlet pipe bundle vertical connecting pipe group, sealing and parallel-connection of the pipe opening at the other end of the water outlet pipe bundle vertical connecting pipe elbow penetrating through the pipe wall of a water outlet collecting pipe to the water outlet collecting pipe, and mutually sealing and welding a closed pipe cavity of the water outlet collecting pipe and a water return pipe to form a communication channel