CN209926904U

CN209926904U - Oxidation steam heat transfer system

Info

Publication number: CN209926904U
Application number: CN201822239163.1U
Authority: CN
Inventors: 石丽娜; 陆友良
Original assignee: Zhejiang Mintai Technology Co Ltd
Current assignee: Zhejiang Mintai Technology Co Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2020-01-10
Anticipated expiration: 2028-12-28

Abstract

The utility model belongs to the technical field of surface treatment, a oxidation steam heat transfer system is provided, including steam inlet pipe, the heat exchanger unit module, steam secondary side outlet pipe, steam secondary side return water import pipe, supply water jar, heat equipment and circulation return water mechanism are used in the workshop, steam inlet pipe is connected with the heat exchanger unit module of multiunit, the heat exchanger unit module passes through steam secondary side outlet pipe and supplies water to divide the water jar to be connected, it is connected with heat equipment through a delivery pipe and workshop to supply water to divide the water jar, the one end of circulation return water mechanism is connected on heat equipment is used in the workshop, the other end passes through steam secondary side return water import pipe and is connected with the heat exchanger unit module. The advantage of this patent lies in providing the steam heat transfer solution of good matching, and temperature control is accurate, but quick adaptation load change, and heat exchange efficiency is high, and the heating is rapid, and installation maintenance cost is low, need not the buffer tank, has reduced positive displacement heat exchanger and has examined as pressure vessel must by force every year, and no water stores up.

Description

Oxidation steam heat transfer system

Technical Field

The utility model belongs to the technical field of surface treatment, a heat transfer system is related to, concretely relates to oxidation steam heat transfer system.

Background

In the treatment process of anodic oxidation surface, steam is usually needed to be used, the steam that the prior art provided directly in municipal administration is directly sent to the production line through the pipeline, because steam does not have a good process of recycling, the steam loss is many, not only can the purpose of energy saving be achieved, the waste of heat resources and the problem of environmental heat pollution are caused, and along with the gradual deepening of energy-saving and environmental protection policies, the application of a heat exchange system is more and more extensive, therefore, it is necessary to design an oxidation steam heat exchange system that can be applied to oxidation equipment to solve energy loss and environmental heat pollution.

Disclosure of Invention

The utility model aims to solve the technical problem that the current situation to prior art provides an oxidation steam heat transfer system, has reduced thermal scattering and disappearing process, has improved energy recovery and utilization's efficiency to the stability of system operation has been strengthened greatly.

The technical scheme adopted by the patent for solving the technical problems is as follows: an oxidation steam heat exchange system is characterized by comprising a steam inlet pipe, a plurality of groups of heat exchange unit modules, a steam secondary side outlet pipe, a steam secondary side return water inlet pipe, a water supply water cylinder, workshop heat equipment and a circulating return water mechanism, wherein the steam inlet pipe is connected with the plurality of groups of heat exchange unit modules, the heat exchange unit modules are connected with the water supply water distribution cylinder through the steam secondary side outlet pipe, the water supply water distribution cylinder is connected with the workshop heat equipment through a water supply pipe, one end of the circulating return water mechanism is connected to the workshop heat equipment, the other end of the circulating return water mechanism is connected with the heat exchange unit modules through the steam secondary side return water inlet pipe, steam enters the primary side of the heat exchange unit modules from the steam inlet pipe, lower-temperature return water generated by the workshop heat equipment is conveyed into the heat exchange unit modules through the circulating return water mechanism and the steam secondary side return water inlet pipe, and steam on, and generating stable high-temperature hot water and conveying the hot water to workshop thermal equipment for heating the bath solution and the hot air.

In the above oxidation steam heat exchange system, one side of the heat exchange unit module is further connected with a condensed water outlet pipe.

In the above-mentioned oxidation steam heat transfer system, circulation return water mechanism including wet return, return water divide jar and circulating pump, the one end of wet return be connected with workshop with the thermal equipment, the other end is connected with the entry end that returns the moisture jar, the exit end that returns the moisture jar passes through circulating pump and steam secondary side return water import union coupling.

In foretell oxidation steam heat transfer system, this system still is including moisturizing level pressure expansion mechanism, moisturizing level pressure expansion mechanism include deionization pure water import pipe, pure water case, moisturizing pump and expansion drum, deionization pure water import pipe be connected with the pure water case, the pure water case is connected with the circulating pump through the moisturizing pump, the pure water case by the moisturizing pump moisturizing, the expansion drum be used for keeping circulating the water pressure of return water mechanism stable.

In the oxidation steam heat exchange system, the steam pressure at the steam inlet pipe is 0.34-0.40MPa gauge pressure, the temperature is 147-.

In the above oxidation steam heat exchange system, the steam inlet pipe is further provided with an adjusting valve for adjusting the steam flow to meet the load change.

Compared with the prior art, the advantage of this patent lies in providing the steam heat transfer solution of good matching, and temperature control is accurate, but the quick adaptation load change, and heat exchange efficiency is high, and the heating is rapid, and the comdenstion water is effectively got rid of fast, and the combination product, area is little, and the installation is simple and convenient, and the maintenance cost is low, need not the buffer tank, has reduced positive displacement heat exchanger and has examined as pressure vessel must by force every year, and no water is stored up.

Drawings

FIG. 1 is a schematic diagram of the present oxidation steam heat exchange system.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the figure, a steam inlet pipe 1; a heat exchanger unit module 2; a steam secondary side outlet pipe 3; a steam secondary side backwater inlet pipe 4; a water supply and separation tank 5; a plant heat facility 6; a circulating water return mechanism 7; a water supply pipe 8; an adjusting valve 9; a water return pipe 10; a backwater water tank 11; a circulation pump 12; a water-replenishing constant-pressure expansion mechanism 13; a deionized pure water inlet pipe 14; a pure water tank 15; a water replenishing pump 16; an expansion tank 17.

As shown in figure 1, the oxidation steam heat exchange system comprises a steam inlet pipe 1, a plurality of groups of heat exchange unit modules 2, a steam secondary side outlet pipe 3, a steam secondary side return water inlet pipe 4, a water supply diversion cylinder 5, workshop heat equipment 6 and a circulating return water mechanism 7, wherein the steam inlet pipe 1 is connected with the plurality of groups of heat exchange unit modules 2, the heat exchange unit modules 2 are connected with the water supply diversion cylinder 5 through the steam secondary side outlet pipe 3, the water supply diversion cylinder 5 is connected with the workshop heat equipment 6 through a water supply pipe 8, one end of the circulating return water mechanism 7 is connected to the workshop heat equipment 6, the other end of the circulating return water mechanism 7 is connected with the heat exchange unit modules 2 through the steam secondary side return water inlet pipe 4, the heat exchange unit modules 2 and the circulating return water mechanism 7 are mainly used for realizing hot water circulation, and water in a main pipe on the workshop heat equipment, the loss of a lot of heat and the leakage condition in the steam transmission process are reduced, when saturated steam enters the primary side of a heat exchange unit module 2 through a steam inlet pipe 1 and supplies water to workshop heat equipment 6 through a water supply and distribution cylinder 5, lower-temperature return water generated by the workshop heat equipment 6 is conveyed into the heat exchange unit module 2 through a circulating return water mechanism 7 and a steam secondary side return water inlet pipe 4, steam on two sides passes through a steam-water heat exchange and full-automatic control system of the heat exchange unit module 2 to generate stable high-temperature hot water and is conveyed to the workshop heat equipment 6 for heating tank liquid and hot air, the heat load is 2500KW, the heat load of each core heat exchange unit module 2 is 500KW, the steam pressure at the steam inlet pipe 1 is 0.34-0.40MPa gauge pressure, the temperature is 147-, the water outlet temperature is 105 ℃ plus 119 ℃, so that the hot water circulation pressure is stable, the gasification and water hammer resistance is realized, the pressure loss and overpressure safety protection design is realized, the steam inlet pipe 1 is also provided with an adjusting valve 9 for meeting the load change by adjusting the steam flow, the load change is met by adjusting the steam flow, the reaction is fast, the temperature control is stable, one side of the heat exchange unit module 2 is also connected with a condensate water outlet pipe, the condensate water outlet pipe is provided with a drain valve, so that the condensate water is continuously discharged at the saturation temperature, the discharge capacity is large, the discharge can be quickly and effectively eliminated, the high and low load change can be adapted, the influence of the pressure change is avoided, the adopted heat exchange unit module 2 is provided with high-quality pipeline accessories such as a stop valve, a filter, a check valve and the like, the leakage protection environment can be eliminated, the energy, and the heat exchanger unit module 2 reserves a module capacity-increasing interface to increase the heat load, the circulating water-returning mechanism 7 of the patent comprises a water-returning pipe 10, a water-returning water cylinder 11 and a circulating pump 12, one end of the water-returning pipe 10 is connected with the workshop heat equipment 6, the other end is connected with the inlet end of the water-returning water cylinder 11, the outlet end of the water-returning water cylinder 11 is connected with a steam secondary side water-returning inlet pipe 4 through the circulating pump 12, the hot water used by the workshop heat equipment 6 passes through the water-returning water cylinder 11 again, and then passes through the circulating pump 12 to perform heat exchange on the heat exchanger unit module 2 again, so that the heat of the workshop heat equipment 6 is recovered again, the system also comprises a water-supplementing constant-pressure expansion mechanism 13, the water-supplementing constant-pressure expansion mechanism 13 comprises a deionized pure water inlet pipe 14, a pure water tank 15, a water supplementing pump 16 and an expansion tank 17, the deionized pure, pure water tank 15 is connected with circulating pump 12 through moisturizing pump 16, and pure water tank 15 is by moisturizing pump 16 moisturizing, and expansion tank 17 is used for keeping circulating return water mechanism 7 water pressure stable, and this patent adopts steam as the heat source to produce hot water here, mainly includes: the accurate heat exchange unit module 2 on the industrial steam side, the efficient condensate water drainage unit and the secondary side circulating water return mechanism 7 guarantee to provide stable hot water supply and can provide stable secondary side fluid temperature, so that a buffer tank is not required to be installed on the secondary side.

The specific embodiments described herein are merely illustrative of the present spirit. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.

Claims

1. An oxidation steam heat exchange system is characterized by comprising a steam inlet pipe, a plurality of groups of heat exchange unit modules, a steam secondary side outlet pipe, a steam secondary side return water inlet pipe, a water supply and water distribution cylinder, workshop heat equipment and a circulating return water mechanism, wherein the steam inlet pipe is connected with the plurality of groups of heat exchange unit modules, the heat exchange unit modules are connected with the water supply and water distribution cylinder through the steam secondary side outlet pipe, the water supply and water distribution cylinder is connected with the workshop heat equipment through a water supply pipe, one end of the circulating return water mechanism is connected to the workshop heat equipment, the other end of the circulating return water mechanism is connected with the heat exchange unit modules through the steam secondary side return water inlet pipe, steam enters the primary side of the heat exchange unit modules from the steam inlet pipe, and lower-temperature return water generated by the workshop heat equipment is conveyed into the heat exchange unit, steam on two sides passes through the steam-water heat exchange and full-automatic control system of the heat exchange unit module to generate stable high-temperature hot water and the stable high-temperature hot water is conveyed to workshop heat equipment for heating tank liquor and hot air.

2. An oxidation steam heat exchange system according to claim 1, wherein a condensed water outlet pipe is further connected to one side of the heat exchanger unit module.

3. The oxidation steam heat exchange system of claim 1, wherein the circulating water return mechanism comprises a water return pipe, a water return water distribution cylinder and a circulating pump, one end of the water return pipe is connected with the workshop heat utilization equipment, the other end of the water return pipe is connected with the inlet end of the water return water distribution cylinder, and the outlet end of the water return water distribution cylinder is connected with the steam secondary side water return inlet pipe through the circulating pump.

4. An oxidation steam heat exchange system according to claim 1, further comprising a water supplementing constant pressure expansion mechanism, wherein the water supplementing constant pressure expansion mechanism comprises a deionized pure water inlet pipe, a pure water tank, a water supplementing pump and an expansion tank, the deionized pure water inlet pipe is connected with the pure water tank, the pure water tank is connected with the circulating pump through the water supplementing pump, the pure water tank is supplemented with water by the water supplementing pump, and the expansion tank is used for keeping the water pressure of the circulating water return mechanism stable.

5. The oxidation steam heat exchange system of claim 1, wherein the steam pressure at the steam inlet pipe is 0.34-0.40MPa gauge pressure, the temperature is 147-.

6. An oxidation steam heat exchange system according to claim 1, wherein the steam inlet pipe is further provided with an adjusting valve for adjusting the steam flow rate to meet the load change.