CN210583710U

CN210583710U - One-effect steam condensate recovery device in potassium carbonate evaporator

Info

Publication number: CN210583710U
Application number: CN201921107044.9U
Authority: CN
Inventors: 翟志远
Original assignee: Youlide (jiangsu) Chemical Co Ltd
Current assignee: Youlide (jiangsu) Chemical Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-05-22
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses an one imitate steam condensate recovery unit in potassium carbonate evaporimeter, including the evaporimeter, case and condensate tank intake, be connected with the heat exchanger group on the case of intaking, the heat exchanger group include with the delivery pipe of inlet tube intercommunication, delivery pipe fixedly connected with condensate pump, delivery pipe fixed connection is at the end of intaking of condensate pump, the play water outlet end fixedly connected with outlet pipe of condensate pump, outlet pipe fixedly connected with U-shaped pipe, No. one pipe of fixedly connected with on the pipe wall of U-shaped pipe, No. two pipes of fixedly connected with and No. three pipes respectively at the both ends of U-shaped pipe, be equipped with the weighing apparatus between a pipe and the outlet pipe and press the structure, fixedly connected with return water house steward on the evaporimeter, the bottom of evaporimeter is connected. Adopt a pipe, No. two pipes and No. three pipes and the vapor simultaneous contact in the evaporimeter, increased the area of contact with vapor, improve the efficiency of vapor condensation.

Description

One-effect steam condensate recovery device in potassium carbonate evaporator

Technical Field

The utility model relates to a condensate recovery device, one imitates steam condensate recovery unit in concretely relates to potassium carbonate evaporimeter.

Background

Industrial potassium carbonate is produced by heating KOH and CO2 to form K2CO3 and generating high temperature steam H2O.

In the evaporator of the potassium carbonate production equipment, if a single evaporator is used for producing the potassium carbonate, primary steam generated by the single evaporator is generally recovered by means of condensation. If a plurality of evaporators are adopted to produce the potassium carbonate, the plurality of evaporators are connected in an end-to-end manner, high-temperature steam generated by the previous evaporator provides a heat source for the next evaporator, but the evaporator generated by the evaporator at the tail part still needs to be recovered in a condensation manner.

However, the traditional condenser adopts a single water pipe for water inlet, the contact area of the condensing pipe and the water vapor in the evaporator is small, and the cooling efficiency is low.

Disclosure of Invention

In order to overcome the not enough among the prior art, the utility model provides an imitate steam condensate recovery unit in the potassium carbonate evaporimeter, its area of contact that can improve condenser pipe and evaporimeter vapor improves cooling efficiency.

In order to realize the above-mentioned purpose, the utility model discloses an one imitates steam condensate recovery unit in potassium carbonate evaporimeter, including the evaporimeter, case and condensate tank intake, be connected with the heat exchanger group on the case of intaking, the heat exchanger group includes the delivery pipe with the inlet tube intercommunication, delivery pipe fixedly connected with condensate pump, delivery pipe fixed connection is at the end of intaking of condensate pump, the play water outlet end fixedly connected with outlet pipe of condensate pump, outlet pipe fixedly connected with U-shaped pipe, No. one pipe of fixedly connected with on the pipe wall of U-shaped pipe, No. two pipes of fixedly connected with and No. three pipes respectively at the both ends of U-shaped pipe, be equipped with the weighing apparatus between a pipe and the outlet pipe and press the structure, fixedly connected with return water house steward on the evaporimeter, the bottom.

Furthermore, the pipe walls of the second pipe and the third pipe are fixedly connected with bypass pipes.

Further, the weighing apparatus presses the structure to include a weighing apparatus briquetting, and weighing apparatus briquetting and a pipe threaded connection, threaded connection have the weighing apparatus on the weighing apparatus briquetting and press the pipe, and weighing apparatus presses pipe and outlet pipe fixed connection, the first check valve of fixedly connected with on the weighing apparatus pressure pipe.

Furthermore, the weighing scale pressing block is in threaded connection with a fourth pipe, and the first pipe, the second pipe, the third pipe, the fourth pipe and the two bypass pipes are all connected with the water return main pipe.

Furthermore, one end of the U-shaped pipe is fixedly connected with a second check valve.

Has the advantages that: adopt a pipe, No. two pipes and No. three pipes and the vapor simultaneous contact in the evaporimeter, increased the area of contact with vapor, improve the efficiency of vapor condensation.

Drawings

The invention will be further described and illustrated with reference to the accompanying drawings.

FIG. 1 is a schematic view of the construction of a heat exchanger package;

fig. 2 is a schematic structural view of the whole.

Reference numerals: 1. an evaporator; 2. a water inlet tank; 3. a condensed water tank; 4. a heat exchanger group; 41. a water supply pipe; 42. a condensate pump; 43. a water outlet pipe; 44. a U-shaped tube; 45. a first pipe; 46. a second pipe; 47. a third pipe; 5. a pressure-balancing structure; 51. a pressure balancing block; 52. a constant pressure pipe; 53. a first check valve; 6. a water return main pipe; 7. a water pump; 8. a bypass pipe; 9. a fourth tube; 10. a second check valve.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

Example (b): a one-effect steam condensate recovery device in a potassium carbonate evaporator comprises an evaporator 1, a water inlet tank 2 and a condensate water tank 3. A heat exchanger group 4 is fixedly connected to the water inlet tank 2, and the heat exchanger group 4 includes a water supply pipe 41 fixedly connected to the water inlet tank 2, and the water supply pipe 41 extends into the water inlet tank 2.

The heat exchanger group 4 further comprises a condensation pump 42, the water inlet end of the condensation pump 42 is fixedly connected with the water supply pipe 41, the water outlet end of the condensation pump 42 is fixedly connected with a water outlet pipe 43, the water outlet pipe 43 is in a shape of Chinese character 'wu', the end part of the water outlet pipe 43 is fixedly connected with a U-shaped pipe 44, the U-shaped pipe 44 is in a U shape, the water outlet pipe 43 is communicated with one of the pipe walls of the U-shaped pipe 44, the two ends of the U-shaped pipe 44 are respectively connected with a second pipe 46 and a third pipe 47, the pipe walls of the second pipe 46 and the third pipe 47 are respectively and fixedly connected with a bypass pipe 8, the other pipe wall of the U shape is fixedly connected with a first pipe 45, and the upper side.

The constant pressure structure 5 comprises a constant pressure block 51 in threaded connection with the upper end of the first pipe 45, a constant pressure pipe 52 is in threaded connection with the constant pressure block 51, the constant pressure pipe 52 is U-shaped, the other end of the constant pressure pipe 52 is communicated with the water outlet pipe 43, and a first check valve 53 is fixedly connected between the constant pressure pipe 52 and the water outlet pipe 43. The fourth pipe 9 is connected to the pressure balance block 51 through a screw, and the fourth pipe 9 is communicated with the first pipe 45 and the pressure balance pipe 52 through the pressure balance block 51.

No. four pipe 9, No. two pipe 46, No. three pipe 47 and two bypass pipe 8 all stretch into in the evaporimeter 1 to No. four pipe 9, No. two pipe 46, No. three pipe 47 and two bypass pipe 8 wear out from the other end of evaporimeter 1, and No. four pipe 9, No. two pipe 46, No. three pipe 47 and two bypass pipe 8 are jointly fixedly connected with return water house steward 6, and return water house steward 6 connects on intake box 2. The bottom of the evaporator 1 is connected with a water pump 7, the water inlet of the water pump 7 is fixedly connected with the bottom of the evaporator 1, the water outlet of the water pump 7 is connected with a condensed water tank 3, and a second check valve 10 is fixedly connected to the U-shaped pipe 44.

The action process is as follows:

the condensation pump 42 pumps water in the water tank 2 through the water supply pipe 41, the water flows out of the water outlet pipe 43 through the condensation pump 42 and then is divided, one part of the water flows out of the third pipe 47 and one bypass pipe 8, the other part of the water flows through the U-shaped pipe 44 and then is divided, one part of the water flows out of the second pipe 46 and one bypass pipe 8, and the other part of the water flows through the first pipe 45. The water flowing through the first pipe 45 is divided again, flows out through the fourth pipe 9 respectively, and flows through the balance pressure pipe 52 to supplement the water outlet pipe 43.

Water pumped from the water inlet tank 2 flows into the evaporator 1 through the fourth pipe 9, the second pipe 46, the third pipe 47 and the two bypass pipes 8 respectively, water vapor in the evaporator 1 is condensed under the influence of cold water in the fourth pipe 9, the second pipe 46, the third pipe 47 and the two bypass pipes 8, the water vapor is pumped into the condensed water tank 3 by the water pump 7 after being condensed, and the fourth pipe 9, the second pipe 46, the third pipe 47 and the two bypass pipes 8 are subjected to multi-path cooling, so that the condensing efficiency of the condensed water in the evaporator 1 is improved.

The preferred embodiments of the present invention are described without limiting the scope of the invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the present invention is determined by the claims.

Claims

1. The single-effect steam condensate recovery device in the potassium carbonate evaporator comprises an evaporator (1), a water inlet tank (2) and a condensate tank (3), and is characterized in that a heat exchanger group (4) is connected to the water inlet tank (2), the heat exchanger group (4) comprises a water supply pipe (41) communicated with a water inlet pipe, a condensate pump (42) is fixedly connected to the water supply pipe (41), the water supply pipe (41) is fixedly connected to the water inlet end of the condensate pump (42), a water outlet pipe (43) is fixedly connected to the water outlet end of the condensate pump (42), a U-shaped pipe (44) is fixedly connected to the water outlet pipe (43), a first pipe (45) is fixedly connected to the pipe wall of the U-shaped pipe (44), a second pipe (46) and a third pipe (47) are respectively fixedly connected to two ends of the U-shaped pipe (44), and a pressure balancing structure (5) is arranged between the first pipe (45) and the, the water-saving evaporator is characterized in that a water return main pipe (6) is fixedly connected to the evaporator (1), a water pump (7) is connected to the bottom of the evaporator (1), and the water pump (7) is fixedly connected with the condensate water tank (3).

2. The potassium carbonate evaporator medium-efficiency steam condensate recovery device as claimed in claim 1, wherein the pipe walls of the second pipe (46) and the third pipe (47) are fixedly connected with bypass pipes (8).

3. The potassium carbonate evaporator single-effect steam condensate recovery device according to claim 2, wherein the pressure balancing structure (5) comprises a pressure balancing block (51), the pressure balancing block (51) is in threaded connection with the first pipe (45), a pressure balancing pipe (52) is in threaded connection with the pressure balancing block (51), the pressure balancing pipe (52) is fixedly connected with the water outlet pipe (43), and a first check valve (53) is fixedly connected with the pressure balancing pipe (52).

4. The potassium carbonate evaporator medium-efficiency steam condensate water recovery device according to claim 3, wherein the balance pressure block (51) is in threaded connection with a fourth pipe (9), and the first pipe (45), the second pipe (46), the third pipe (47), the fourth pipe (9) and the two bypass pipes (8) are all connected with the water return header pipe (6).

5. The single effect steam condensate recovery device in potassium carbonate evaporator according to claim 3, characterized in that one end of the U-shaped pipe (44) is fixedly connected with a second check valve (10).