CN214605022U

CN214605022U - Can high-efficient recycle concrete member of condensation ponding with evaporating cauldron

Info

Publication number: CN214605022U
Application number: CN202120189783.8U
Authority: CN
Inventors: 朱明峰; 陈贵忠; 王利清; 杨永春
Original assignee: Suzhou Dihe Piling Co ltd
Current assignee: Suzhou Dihe Piling Co ltd
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2021-11-05
Anticipated expiration: 2031-01-23

Abstract

The application relates to an autoclave for a concrete component, which can efficiently recycle condensed water, and comprises an autoclave body, a steam inlet pipe and a steam exhaust pipe, wherein the steam inlet pipe and the steam exhaust pipe are arranged on the autoclave body; a backwater preheating tank capable of recovering and preheating condensed water in the water collecting tank is arranged on the top wall of the autoclave body and comprises an outer tank body and an inner tank body, a heating cavity is formed between the outer tank body and the inner tank body, a heating steam branch pipe is arranged on one side of the outer tank body close to the steam exhaust pipe, and the heating steam branch pipe is respectively communicated with the heating cavity and the steam exhaust pipe; the top of the backwater preheating tank is provided with a backwater inlet pipe, the bottom of one side of the backwater preheating tank is provided with a backwater discharge pipe, and a water delivery pump is arranged between the backwater inlet pipe and the water discharge pipe pipeline. This application has the effect that can effectively recycle condensation ponding, improve energy efficiency.

Description

Can high-efficient recycle concrete member of condensation ponding with evaporating cauldron

Technical Field

The application relates to still kettle technical field, especially relates to a concrete member that can high-efficient recycle condensation ponding still kettle for.

Background

The still kettle is a large-scale pressure container, and can be used for steam curing of concrete members, such as concrete pipe piles, concrete aerated blocks and the like, so that the mechanical property, the heat preservation performance and the like of the concrete members are improved. When the still kettle is used, high-temperature steam is introduced into the kettle through a steam pipeline, and the temperature and the pressure in the kettle are raised by the high-temperature steam so as to achieve the purpose of steam curing of the concrete member. After the steam curing is finished, redundant steam in the kettle and condensed water generated by steam condensation need to be discharged in time, so that the resource utilization efficiency is improved.

The existing still kettle is generally provided with a water outlet at one end of the bottom of the kettle body, a water discharge pipe is communicated with the outer side of the water outlet, and condensed water in the cavity of the still kettle is directly discharged through the water discharge pipe. Because the condensate water that still kettle steam-curing produced at every turn is less, arrange outside at every turn and inconvenient carry out recycle to the condensation ponding, and because still kettle's cauldron body is great, bottom ponding paving area is great, directly open the drain pipe and arrange the condensation ponding outward, can not in time drain ponding to the greatest extent.

In view of the above-mentioned related technologies, the inventor thinks that the existing still kettle directly discharges the condensed water only by means of the drain pipe arranged at one end of the bottom of the kettle body, so that the efficient recycling of the condensed water cannot be realized, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the recycle efficiency to the interior condensation ponding of still kettle, this application provides a concrete member that can high-efficient recycle condensation ponding still kettle for.

The application provides a but concrete member of high-efficient recycle condensation ponding still kettle for adopts following technical scheme:

an autoclave for a concrete member capable of efficiently recycling condensed water comprises an autoclave body, wherein one end of the autoclave body is provided with a steam inlet pipe, the other end of the autoclave body is provided with a steam exhaust pipe, the bottom of the autoclave body is provided with a water collecting tank communicated with the inside of the autoclave body along the length direction of the autoclave body, and one end of the bottom of the water collecting tank is provided with a water discharge pipe; the top wall of the still kettle body is provided with a backwater preheating tank which can collect water in the water collecting tank, recover and preheat the water along the length direction of the kettle body, the top of the backwater preheating tank is provided with a backwater inlet pipe, the bottom of one side of the backwater preheating tank is provided with a backwater discharge pipe, and a water delivery pump is arranged between the backwater inlet pipe and the water discharge pipe.

Through adopting above-mentioned technical scheme, the header tank can concentrate the collection with the internal comdenstion water of autoclave cauldron, reduce through the drain pipe directly outer the arranging and the water waste that causes of comdenstion water, the condensation ponding that rethread water delivery pump will collect is carried to the return water preheating cabinet, preheat condensation ponding through the return water preheating cabinet, the condensation ponding after will preheating through the return water drain pipe at last sends back to the boiler, a high temperature steam for the follow-up cauldron that evaporates is pressed to production uses, thereby reach the purpose that effectively improves the cauldron condensation ponding recycle efficiency that evaporates.

Optionally, the inside top of header tank is provided with filters, filter including fixed frame and fixed connection in the fixed frame the filter screen.

By adopting the technical scheme, the condensed accumulated water is filtered by the filter screen, and some concrete fragments and other impurities in the autoclave body can be filtered, so that the probability that the water collection tank is blocked because the impurities fall into the water collection tank is reduced. Meanwhile, the sundries are intercepted and filtered through the filter screen, and the sundries can be conveniently and intensively cleaned.

Optionally, a plurality of fixing plates are circumferentially arranged on the outer side of the fixing frame, and the fixing plates are detachably connected with the bottom wall of the still kettle body.

Through adopting above-mentioned technical scheme, the stationary blade can be dismantled with still cauldron body diapire and be connected to can make things convenient for operating personnel to filter the dismantlement clearance of piece, improve the maintenance efficiency to filtering the piece.

Optionally, the header tank diapire includes water conservancy diversion swash plate and horizontal bottom plate, the drain pipe sets up in horizontal bottom plate, drain pipe and horizontal bottom plate fixed connection, the water conservancy diversion swash plate is the slope gradually towards the one side that is close to the horizontal bottom plate direction and reduces the setting.

Through adopting above-mentioned technical scheme, the water conservancy diversion swash plate can concentrate the one end of condensate ponding water conservancy diversion in header tank horizontal bottom plate to the water pressure of increase drain pipe water inlet department, and then improve the efficiency of water delivery pump to the condensate ponding pump sending in the header tank.

Optionally, a heat preservation heat shield is arranged on the outer side of the water collection tank.

By adopting the technical scheme, on one hand, the heat-insulating cover can reduce the outward heat dissipation of the box body of the water collecting tank so as to reduce the heat loss of the autoclave body; on the other hand, when ambient temperature is lower, the heat preservation separates heat exchanger and can keep the temperature of the inside condensation ponding of header tank, reduces the phenomenon emergence that the condensation ponding freezes to keep the stability to condensation ponding recycle.

Optionally, the return water preheating cabinet includes outer box and interior box, form the heating chamber between outer box and the interior box.

Through adopting above-mentioned technical scheme, at the inside heating chamber that sets up of return water preheating cabinet, can let in heating medium in order to heat the return water preheating cabinet in the heating chamber to the realization is to the purpose that the inside condensation ponding of return water preheating cabinet preheats, and then shortens follow-up time of carrying out steam production to condensation ponding heating, has improved the recycle efficiency of condensation ponding.

Optionally, one side of the outer box body of the backwater preheating box, which is close to the steam exhaust pipe, is provided with a heating steam branch pipe, one end of the heating steam branch pipe is communicated with the heating cavity, the other end of the heating steam branch pipe is communicated with the steam exhaust pipe, the heating steam branch pipe is provided with a gas control valve, and the outer box body of the backwater preheating box is provided with a steam safety valve.

By adopting the technical scheme, the gas control valve is opened, and the steam in the steam exhaust pipe is conveyed into the heating cavity through the heating steam branch pipe, so that the heating of the backwater preheating tank is realized; the steam safety valve arranged in the backwater preheating tank can keep the pressure in the heating cavity stable, and improves the safety of steam heating.

Optionally, the side wall and the bottom wall of the backwater preheating tank are coated with heat conducting layers.

Through adopting above-mentioned technical scheme, the coefficient of heat conductivity of heat-conducting layer is high, can accelerate the heat conduction rate of return water preheating cabinet inner wall, improves the preheating efficiency of condensation ponding, has practiced thrift heat energy.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the water collecting tank is arranged at the bottom of the still kettle body, condensed water in the kettle body is collected in a centralized manner through the water collecting tank, waste of water resources caused by direct discharge of condensed water through a drain pipe is reduced, the collected condensed water is pumped to the water return preheating tank at the top of the kettle body through the water conveying pump, the condensed water is preheated through the water return preheating tank, and finally the preheated condensed water is returned to a boiler through the water return drain pipe for producing high-temperature steam for a subsequent still kettle, so that the time for heating the condensed water is reduced, and the recycling efficiency is improved;

2. the heat preservation and heat insulation cover is arranged on the outer side of the water collection tank, so that on one hand, the outward heat dissipation of the tank body of the water collection tank can be reduced, and the heat loss of the autoclave body is reduced; on the other hand, when the outside air temperature is low, the heat-preservation heat-insulation cover can keep the temperature of the condensed ponding in the water collection tank, and the phenomenon that the condensed ponding is frozen is reduced, so that the recycling stability of the condensed ponding is kept;

3. one side that is close to steam exhaust pipe at the outer box of return water preheating cabinet sets up the heating steam branch pipe, the one end and the heating chamber intercommunication of heating steam branch pipe, and the other end and steam exhaust pipe intercommunication carry the steam in the steam exhaust pipe to the heating intracavity through the heating steam branch pipe, realize the heating to the return water preheating cabinet, reduce the time of the follow-up heating intensification preparation steam of condensation ponding, improved recycle efficiency.

Drawings

FIG. 1 is a schematic view of an autoclave for a concrete member, which is capable of efficiently recovering condensed water according to an embodiment of the present invention.

FIG. 2 is a sectional view of an autoclave body according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

FIG. 4 is a sectional view showing the connection relationship between the filter member and the autoclave body in the embodiment of the present application.

Description of reference numerals: 1. a still kettle body; 11. a steam inlet pipe; 12. a steam exhaust pipe; 13. a condensate drain port; 14. sealing the kettle door; 2. a water collection tank; 21. a flow guiding sloping plate; 22. a horizontal floor; 3. a heat preservation and insulation cover; 4. a drain pipe; 5. a drain valve; 6. a water delivery pump; 7. a filter member; 71. a fixing frame; 711. a fixing sheet; 72. filtering with a screen; 8. a return water preheating tank; 81. an outer case; 82. an inner box body; 83. a heating cavity; 84. an arc-shaped mounting piece; 9. a backwater inlet pipe; 10. a backwater discharge pipe; 15. heating the steam branch pipe; 16. a gas control valve; 17. a steam safety valve; 18. and fixing the support.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses but concrete member of high-efficient recycle condensation ponding still kettle for. Referring to fig. 1, the still kettle comprises a cylindrical horizontal still kettle body 1, sealing kettle doors 14 which are arranged at two ends of the still kettle body 1 and can be opened and closed, fixing supports 18 are respectively welded at two ends of the bottom wall of the still kettle body 1, a steam inlet pipe 11 is welded and fixed at the bottom wall of the still kettle body 1 at one end close to one of the sealing kettle doors, and a steam outlet pipe 12 is welded and fixed at the top wall of the still kettle body 1 at one end close to the other sealing kettle door.

Referring to fig. 2, a condensate outlet 13 is formed in the bottom of the still kettle body 1 along the length direction of the kettle body, a water collecting tank 2 is welded and fixed outside the condensate outlet 13, the water collecting tank 2 is communicated with the inside of the still kettle body 1 through the condensate outlet 13, a heat-insulating cover 3 is fixed on the outer side of the water collecting tank 2 in an adhesive manner, and the heat-insulating cover 3 is made of heat-insulating cotton.

Referring to fig. 1 and 2, the bottom wall of the water collection tank 2 includes a diversion inclined plate 21 and a horizontal bottom plate 22 integrally formed with the diversion inclined plate 21, the horizontal bottom plate 22 is disposed at one end of the bottom of the water collection tank 2 near the direction of the steam exhaust pipe 12, and the diversion inclined plate 21 gradually inclines and decreases toward one side near the direction of the horizontal bottom plate 22. The bottom of the horizontal bottom plate 22 is fixedly welded with a drain pipe 4 for draining condensed water collected in the water collecting tank 2, and a drain valve 5 and a water delivery pump 6 are sequentially arranged along the water outlet direction of the drain pipe 4.

Referring to fig. 2 and 4, a filtering member 7 is fixedly connected to the inside of the water collecting tank 2 at the condensate outlet 13, the filtering member 7 includes a fixing frame 71, a filtering net 72 is fixedly connected to the inside of the fixing frame 71, a plurality of fixing plates 711 are circumferentially arranged on the outer side of the fixing frame 71, in this embodiment, each side frame of the fixing frame 71 is provided with a fixing plate 711, and each fixing plate 711 is fixedly connected to the inner wall of the autoclave body 1 through a screw.

Referring to fig. 1 and 2, a backwater preheating box 8 is arranged on the top wall of the still kettle body 1 along the length direction of the kettle body, the bottom wall of the backwater preheating box 8 is an arc-shaped bottom plate which can be arranged on the top wall of the still kettle body 1 in a fitting manner, a plurality of arc-shaped installation pieces 84 are welded on the arc-shaped bottom plate in the circumferential direction, a screw rod which can be used for installing and fixing the arc-shaped installation pieces 84 is welded on the top wall of the still kettle body 1, and each arc-shaped installation piece 84 is fastened with the corresponding screw rod through nuts.

Referring to fig. 2 and 3, a backwater inlet pipe 9 is welded at the top of the backwater preheating tank 8, the backwater inlet pipe 9 is connected with the water delivery pump 6 through a pipeline, a backwater discharge pipe 10 is welded at the bottom of one side of the backwater preheating tank 8 far away from the direction of the backwater inlet pipe 9, and the backwater discharge pipe 10 is communicated with the boiler, so that the preheated condensed water is delivered back to the boiler for producing high-temperature steam.

Referring to fig. 2 and 3, the return water preheating tank 8 comprises an outer tank 81 and an inner tank 82, a heating cavity 83 is formed between the outer tank 81 and the inner tank 82, heat conduction layers are coated on the side wall and the bottom wall of the inside of the return water preheating tank 8, the heat conduction layers are formed by spraying high-temperature-resistant heat conduction coatings with excellent heat conduction performance, and the preheating efficiency of the inside of the return water preheating tank 8 on condensate water can be effectively improved. A heating steam branch pipe 15 is welded on one side, close to the steam exhaust pipe 12, of the outer box body 81 of the backwater preheating box 8, one end of the heating steam branch pipe 15 is communicated with the heating cavity 83, the other end of the heating steam branch pipe 15 is communicated with the steam exhaust pipe 12, and a gas control valve 16 is arranged on the heating steam branch pipe 15. A steam safety valve 17 is arranged outside the outer box 81 of the backwater preheating box 8.

The implementation principle of the autoclave for the concrete member capable of efficiently recycling condensed water in the embodiment of the application is as follows: in the steam curing process inside the autoclave body 1, part of steam can be condensed to form condensed water, and the condensed water flows and drips from the inner wall of the autoclave body 1 and the surface of a concrete member, and falls into the water collecting tank 2 after being filtered by the filter screen 72 of the condensed fluid outlet 13 to be collected. After the condensed water in the water collecting tank 2 is collected to a certain amount, the condensed water is pumped into the backwater preheating tank 8 through the water conveying pump 6, then the heating steam is introduced into the heating cavity 83 of the backwater preheating tank 8 through the heating steam branch pipe 15, the condensed water in the backwater preheating tank 8 is preheated by the heating steam, and finally the preheated condensed water is conveyed back to the boiler through the backwater discharge pipe 10 for producing high-temperature steam for subsequent heating and maintenance, so that the recycling efficiency of the condensed water in the still kettle is effectively improved, and meanwhile, the energy consumption is also reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a but concrete member of high-efficient recycle condensation ponding is with evaporating cauldron, includes the still kettle cauldron body (1), the one end of the still kettle cauldron body (1) is provided with steam intake pipe (11), the other end of the still kettle cauldron body (1) is provided with steam exhaust pipe (12), its characterized in that: a water collecting tank (2) communicated with the inside of the still kettle body (1) is arranged at the bottom of the still kettle body (1) along the length direction of the kettle body, and a drain pipe (4) is arranged at one end of the bottom of the water collecting tank (2); the top wall of the still kettle body (1) is provided with a backwater preheating tank (8) which can recover and preheat water collected in the water collecting tank (2) along the length direction of the kettle body, the top of the backwater preheating tank (8) is provided with a backwater inlet pipe (9), the bottom of one side of the backwater preheating tank (8) is provided with a backwater discharge pipe (10), and a water delivery pump (6) is arranged between the backwater inlet pipe (9) and a drain pipe (4).

2. The autoclave for the concrete member capable of efficiently recycling condensed water according to claim 1, wherein: the inside top of header tank (2) is provided with and filters piece (7), it includes fixed frame (71) and fixed connection in filter screen (72) of fixed frame (71) to filter piece (7).

3. The autoclave for the concrete member capable of efficiently recycling condensed water according to claim 2, characterized in that: a plurality of fixing plates (711) are circumferentially arranged on the outer side of the fixing frame (71), and the fixing plates (711) are detachably connected with the bottom wall of the still kettle body (1).

4. The autoclave for the concrete member capable of efficiently recycling condensed water according to claim 2, characterized in that: header tank (2) diapire includes water conservancy diversion swash plate (21) and horizontal bottom plate (22), drain pipe (4) set up in horizontal bottom plate (22), drain pipe (4) and horizontal bottom plate (22) fixed connection, water conservancy diversion swash plate (21) orientation is the slope gradually and reduces the setting near one side of horizontal bottom plate (22) direction.

5. The autoclave for the concrete member capable of efficiently recycling condensed water according to claim 2, characterized in that: and a heat preservation and heat insulation cover (3) is arranged on the outer side of the water collection tank (2).

6. The autoclave for the concrete member capable of efficiently recycling condensed water according to claim 1, wherein: the return water preheating box (8) comprises an outer box body (81) and an inner box body (82), and a heating cavity (83) is formed between the outer box body (81) and the inner box body (82).

7. The autoclave for the concrete member capable of efficiently recycling condensed ponding according to claim 6, characterized in that: one side that outer box (81) of return water preheating cabinet (8) is close to steam exhaust pipe (12) is provided with heating steam branch pipe (15), the one end and the heating chamber (83) intercommunication of heating steam branch pipe (15), the other end and steam exhaust pipe (12) intercommunication of heating steam branch pipe (15), be provided with gas control valve (16) on heating steam branch pipe (15), outer box (81) outside of return water preheating cabinet (8) is provided with steam safety valve (17).

8. The autoclave for the concrete member capable of efficiently recycling condensed ponding according to claim 6, characterized in that: and heat conducting layers are respectively coated on the inner side wall and the bottom wall of the backwater preheating tank (8).